Cytomegalovirus (CMV)Phase 3NCT02931539
Efficacy and Safety Study of Maribavir Treatment Compared to Investigator-assigned Treatment in Transplant Recipients With Cytomegalovirus (CMV) Infections That Are Refractory or Resistant to Treatment With Ganciclovir, Valganciclovir, Foscarnet, or Cidofovir
A Phase 3 study testing Maribavir, Ganciclovir and Valganciclovir in people with Cytomegalovirus (CMV), run by Shire at 134 sites in 14 countries.
Trial summary
The purpose of this study is to compare the efficacy of maribavir to investigator-assigned anti-Cytomegalovirus (CMV) therapy in CMV viremia clearance in transplant recipients who are refractory or resistant to prior anti-CMV treatment. Read more about this study
- Who is it for?
- Ages 12 years and older
- Conditions the study is for
- Cytomegalovirus (CMV)
- What is being tested?
- Maribavir, Ganciclovir and Valganciclovir
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 352 participants
- Where
- 134 sitesin 14 countries
- Study dates
- 22 Dec 2016to 17 Aug 2020
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 12 years and older
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- The participant must be able to provide written, personally signed, and dated informed consent to participate in the study before completing any study-related procedures. As applicable, a parent/both parents or legally authorized representative (LAR) must provide signature of informed consent and there must be documentation of assent by the participant before completing any study-related procedures.
- The participant must be a recipient of hematopoietic stem cell or solid organ transplant.
- The participant must have a documented CMV infection in whole blood or plasma, with a screening value of greater than or equal to (>=) 2730 international units per milliliter (IU/mL) in whole blood or >= 910 IU/mL in plasma in 2 consecutive assessments, separated by at least 1 day, as determined by local or central specialty laboratory quantitative polymerase chain reaction (qPCR) or comparable quantitative CMV DNA results. Both samples should be taken within 14 days prior to randomization with second sample obtained within 5 days prior to randomization. The same laboratory and same sample type (whole blood or plasma) must be used for these assessments.
- The participant must have a current CMV infection that is refractory to the most recently administered of the four anti-CMV treatment agents. Refractory is defined as documented failure to achieve greater than (>) 1 log10 (common logarithm to base 10) decrease in CMV DNA level in whole blood or plasma after a 14 day or longer treatment period with intravenous (IV) ganciclovir/oral valganciclovir, IV foscarnet, or IV cidofovir.
- Participants with documentation of 1 or more CMV genetic mutations associated with resistance to ganciclovir/valganciclovir, foscarnet, and/or cidofovir must also meet the definition of refractory CMV infection.
- The Investigator must be willing to treat the participant with at least one of the available anti-CMV drugs (ganciclovir, valganciclovir, foscarnet, or cidofovir). Note: Combination therapy with foscarnet and cidofovir is not permitted in the investigator-assigned anti-CMV treatment (IAT) arm due to the potential for serious nephrotoxicity.
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- The participant must be >= 12 years of age at the time of consent.
- The participant must weigh >= 35 kilogram (kg).
- The participant must have all of the following results as part of screening laboratory assessments (results from either the central laboratory or a local laboratory can be used for qualification):
- Absolute neutrophil count (ANC) >= 1000/ millimeter cube (mm^3) (1.0 x 10^9/liter [L])
- Platelet count >= 25,000/mm^3 [25 x 10^9/L],
- Hemoglobin >= 8 grams per deciliter (g/dL).
- Estimated glomerular filtration rate (eGFR) > 30 (milliliters per minute (mL/min) /1.73 square meter (m^2) as assessed by Modification of Diet in Renal Disease (MDRD) formula for participants >= 18 years of age or Schwartz formula for participants less than (<) 18 years of age.
- The participant must have a negative serum beta-human chorionic gonadotropin (beta-HCG) pregnancy test at screening, if a female of child bearing potential. Additional urine pregnancy tests may be done per institutional requirements. Sexually active females of child bearing potential must agree to comply with any applicable contraceptive requirements of the protocol. If male, must agree to use an acceptable method of birth control, as defined in the protocol, during the study treatment administration period and for 90 days afterward if treated with maribavir, ganciclovir, valganciclovir, or cidofovir and for 180 days afterward if treated with foscarnet.
- The participant must be able to swallow tablets, or receive tablets crushed and/or dispensed in water via nasogastric or orogastric tube.
- The participant must be willing and have an understanding and ability to fully comply with study procedures and restrictions defined in the protocol.
- The participant must be willing to provide necessary samples (example [e.g,] biopsy) for the diagnosis of tissue invasive CMV disease at baseline as determined by the Investigator.
- The participant must have a life expectancy of >= 8 weeks.
Who cannot join
- Have a current CMV infection that is considered refractory or resistant due to inadequate adherence to prior anti-CMV treatment, to the best knowledge of the Investigator.
- Require ganciclovir, valganciclovir, foscarnet, or cidofovir administration for conditions other than CMV when study treatment is initiated (example: herpes simplex virus (HSV) coinfection requiring use of any of these agents after the randomization) or would need a coadministration with maribavir for CMV infection. NOTE: A participant who is not continuing with the same anti-CMV drug(s) (ganciclovir, valganciclovir or foscarnet) for the study treatment (if randomized to the investigator assigned anti-CMV treatment arm), must discontinue their use before the first dose of study drug. If participant is currently being treated with cidofovir and is assigned another anti-CMV therapy by the investigator, the participant must discontinue its use at least 14 days prior to randomization at Visit 2/Day 0 and the first dose of study treatment.
- Be receiving leflunomide, letermovir, or artesunate when study treatment is initiated. NOTE: Participants receiving leflunomide must discontinue the use at least 14 days prior to randomization at Visit 2/Day 0 and the first dose of study treatment. Participants receiving letermovir must discontinue use at least 3 days prior to the first dose of study treatment. Participants receiving artesunate must discontinue the use prior to the first dose of study treatment.
- Have severe vomiting, diarrhea, or other severe gastrointestinal illness within 24 hours prior to the first dose of study treatment that would preclude administration of oral/enteral medication.
- Have known hypersensitivity to the active substance or to an excipient for a study treatment.
- Have tissue invasive CMV disease with central nervous system involvement including the retina (example, CMV retinitis).
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- Have serum aspartate aminotransferase (AST) > 5 times upper limit of normal (ULN) at screening, or serum alanine aminotransferase (ALT) > 5 times ULN at screening, or total bilirubin >= 3.0 x ULN at screening (except for documented Gilbert's syndrome), by local or central lab. Participants with biopsy confirmed CMV hepatitis will not be excluded from study participation despite AST or ALT > 5 times ULN at screening.
- Have known positive results for human immunodeficiency virus (HIV). Participants must have a confirmed negative HIV test result within 3 months of study entry or, if unavailable, be tested by a local laboratory during the screening period.
- Require mechanical ventilation or vasopressors for hemodynamic support at the time of enrollment.
- Be female and pregnant or breast feeding.
- Have previously received maribavir.
- Have received any investigational agent with known anti-CMV activity within 30 days before initiation of study treatment or investigational CMV vaccine at any time.
- Have received any unapproved agent or device within 30 days before initiation of study treatment.
- Have active malignancy with the exception of nonmelanoma skin cancer. Participants who have had a hematopoietic stem cell transplant (HSCT) and who experience relapse or progression of the malignancy as per investigator's opinion are not to be enrolled.
- Be undergoing treatment for acute or chronic hepatitis C.
- Have any clinically significant medical or surgical condition that, in the investigator's opinion, could interfere with the interpretation of study results, contraindicate the administration of the assigned study treatment, or compromise the safety or well-being of the participant.
Trial locations and contacts
134 sites in 14 countries.
134 sites in 14 countries
United States47 sites
University of Michigan
Ann Arbor, Michigan, 48109
Emory University Hospital
Atlanta, Georgia, 30322
University of Maryland
Baltimore, Maryland, 21201
Johns Hopkins Hospital
Baltimore, Maryland, 21287
University of Alabama at Birmingham
Birmingham, Alabama, 35294-0006
Massachusetts General Hospital
Boston, Massachusetts, 02114
Brigham and Womens Hospital
Boston, Massachusetts, 02115
Medical University of South Carolina - PPDS
Charleston, South Carolina, 29425
Feinberg School of Medicine Northwestern University
Chicago, Illinois, 60611
The Christ Hospital
Cincinnati, Ohio, 45220
University of Cincinnati
Cincinnati, Ohio, 45220
Cincinnati Children's Hospital Medical Center - PIN
Cincinnati, Ohio, 45229-3039
University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106
Nationwide Children's Hospital
Columbus, Ohio, 43205
University of Texas Southwestern Medical Center
Dallas, Texas, 75390
Henry Ford Health System
Detroit, Michigan, 48202
City of Hope National Medical Center
Duarte, California, 91010
Duke University Medical Center
Durham, North Carolina, 27710-4000
Baylor All Saints Medical Center
Fort Worth, Texas, 76104
Hackensack University Medical Center
Hackensack, New Jersey, 07601
Baylor College of Medicine
Houston, Texas, 77030-2348
MD Anderson Cancer Center
Houston, Texas, 77030
University of Kentucky
Lexington, Kentucky, 40536
University of Southern California
Los Angeles, California, 90033
UCLA Medical Center
Los Angeles, California, 90095
Loyola University Medical Center
Maywood, Illinois, 60153
University of Chicago Medical Center
Maywood, Illinois, 60153
St Jude Children's Research Hospital
Memphis, Tennessee, 38105
University of Minnesota
Minneapolis, Minnesota, 55454
Yale University School of Medicine
New Haven, Connecticut, 06520
Ochsner Clinic Foundation
New Orleans, Louisiana, 70121
Columbia University Medical Center
New York, New York, 10032
Memorial Sloan Kettering Cancer Center
New York, New York, 10065
New York Presbyterian Hospital - Weill-Cornell
New York, New York, 10065
University of Nebraska Medical Center
Omaha, Nebraska, 68198-5400
AdventHealth
Orlando, Florida, 32804
University of Pennsylvania
Philadelphia, Pennsylvania, 19104
University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, 15213
Mayo Clinic - PPDS
Rochester, Minnesota, 59905
William Beaumont Hospital
Royal Oak, Michigan, 48073
UC Davis Medical Center
Sacramento, California, 95817
University of Utah Health Sciences Center - PPDS
Salt Lake City, Utah, 84132
Fred Hutchinson Cancer Research Center
Seattle, Washington, 98109
Stanford University
Stanford, California, 94305
SUNY Upstate Medical Center
Syracuse, New York, 13210
University of Arizona
Tucson, Arizona, 85724
UMass Memorial Medical Center
Worcester, Massachusetts, 01655
France23 sites
CHU Amiens Hôpital Sud
Amiens, 80054
CHRU Brest - Hospital Cavale Blanche
Brest, Finistère, 29609
Hopital Gabriel Montpied
Clermont-Ferrand, 63003
Hopital Henri Mondor
Créteil, Val-de-Marne, 94010
CHU de GRENOBLE
Grenoble, 38043
CHRU Lille
Lille, 59037
CHU Dupuytren
Limoges, 87042
Hôpital de La Croix Rousse
Lyon, Rhône, 69004
Groupement Hospitalier Edouard Herriot
Lyon, 69437
CHRU Nantes
Nantes, Loire-Atlantique, 44093
Groupe Hospitalier Necker Enfants Malades
Paris, 75015
Hôpital Saint Louis
Paris, 75475
Hôpital Saint Antoine
Paris, 75571
Centre Hospitalier Lyon Sud
Pierre-Bénite, Rhône, 69495
CHRU de Poitiers La Miletrie
Poitiers, 86000
CHRU Rennes
Rennes, Ille-et-Vilaine, 35033
Institut de Cancerologie de la Loire
Saint-Priest-en-Jarez, 42271
Hopital de Hautepierre
Strasbourg, 67091
Hôpital Civil
Strasbourg, 67091
Hopital Foch
Suresnes, Hauts-de-Seine, 92150
Hôpital de Rangueil
Toulouse, Haute-Garonne, 31059
CHRU Bretonneau
Tours, Indre-et-Loire, 37044
Hôpital Paul Brousse
Villejuif, Val-de-Marne, 94800
United Kingdom11 sites
University Hospital Coventry
Coventry, Birmingham, CV2 2DX
Beatson West of Scotland Cancer Centre - PPDS
Glasgow, Glasgow City, G12 0YN
Royal Liverpool and Broadgreen University Hospitals NHS Trust
Liverpool, L7 8XP
Imperial College Healthcare NHS Trust
London, London, City of, W12 0HS
Guy's and St Thomas' NHS Foundation Trust - Guy's Hospital
London, NW3 2QG
Royal Free Hospital
London, NW3 2QG
Manchester Royal Infirmary - PPDS
Manchester, M13 9WL
Churchill Hospital
Oxford, OX3 7LJ
Sheffield Childrens Hospital
Sheffield, Yorkshire, S10 2TH
Birmingham Heartlands Hospital
West Midlands, Birmingham, B9 5SS
Wythenshawe Hospital - PPDS
Wythenshawe, Manchester, M23 9LT
Spain10 sites
Hospital Universitario Germans Trias i Pujol
Badalona, Barcelona, 08916
Hospital Universitario de Cruces
Barakaldo, 48903
Fundacio Puigvert
Barcelona, 08025
Hospital Universitario Vall d'Hebrón - PPDS
Barcelona, 08035
Hospital de La Santa Creu i Sant Pau
Barcelona, 08041
Hospital Universitario de Bellvitge
L'Hospitalet de Llobregat, 08907
Hospital Universitario Puerta de Hierro - Majadahonda
Madrid, 28222
Complejo Asistencial Universitario de Salamanca - H. Clinico
Salamanca, 37007
Hospital Clinico Universitario de Valencia
Valencia, 46010
Hospital Universitari i Politecnic La Fe de Valencia
Valencia, 46026
Germany9 sites
Universitätsklinikum Erlangen
Erlangen, Bavaria, 91054
Universitätsklinikum Erlangen
Erlangen, 91054
Universitätsklinikum Essen
Essen, North Rhine-Westphalia, 45122
University Clinic Heidelberg - PPDS
Heidelberg, Baden-Wurttemberg, 69120
University Clinic Heidelberg - PPDS
Heidelberg, 69120
Universitatsklinikum Leipzig
Leipzig, Saxony, 04103
Universitätsmedizin der Johannes Gutenberg-Universität Mainz
Mainz, Rhineland-Palatinate, 55101
LMU Klinikum der Universität München
München, 81377
Universitätsklinikum Tübingen
Tübingen, 72076
Belgium8 sites
ZNA Stuivenberg
Antwerp, 2060
AZ Sint-Jan AV
Bruges, West-Vlaanderen, 8000
Institut Jules Bordet
Brussels, Brussels Capital, 1000
Hôpital Erasme
Brussels, 1070
UZ Brussel
Brussels, 1090
UZ Antwerpen
Edegem, Antwerpen, 2650
UZ Gent
Ghent, Oost-Vlaanderen, 9000
UZ Leuven
Leuven, Vlaams Brabant, 3000
Canada7 sites
University of Alberta
Edmonton, Alberta, T6G 2G3
Hamilton Health Sciences Corporation
Hamilton, Ontario, L8N 3Z5
St. Joseph's Healthcare Hamilton
Hamilton, Ontario, L8N 4A6
Centre Hospitalier Universitaire Sainte-Justine
Montreal, Quebec, H3T 1C5
McGill University Health Center
Montreal, Quebec, H4A 3J1
Princess Margaret Hospital
Toronto, Ontario, M5G 2M9
University Health Network
Toronto, Ontario, M5G 2N2
Italy7 sites
Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona-Umberto I G.M. Lancisi G. Salesi
Ancona, The Marches, 60126
Ospedale San Raffaele S.r.l. - PPDS
Milan, Lombardy, 20132
Istituto Europeo Di Oncologia
Milan, Lombardy, 20141
Azienda Ospedaliero Universitaria di Parma
Parma, 43126
Azienda Ospedaliero Universitaria Pisana
Pisa, 56216
Fondazione Policlinico Universitario A Gemelli
Roma, 00168
Azienda Sanitaria Universitaria Integrata di Udine
Udine, 12345
Australia6 sites
Princess Alexandra Hospital
Brisbane, 4102
Monash Health, Monash Medical Centre
Clayton, Victoria, 3168
The Alfred Hospital
Melbourne, Victoria, 3004
Sir Charles Gairdner Hospital
Nedlands, Washington, 6009
Royal Melbourne Hospital
Parkville, Victoria, 3050
Westmead Hospital
Westmead, New South Wales, 2145
Austria2 sites
Tiroler Landeskrankenanstalten GmbH
Innsbruck, 6020
Allgemeines Krankenhaus der Stadt Wien
Vienna, 1090
Switzerland1 site
Centre Hospitalier Universitaire Vaudois
Lausanne, Vaud (fr), 1011
About this study
Official title: A Phase 3, Multicenter, Randomized, Open-label, Active-controlled Study to Assess the Efficacy and Safety of Maribavir Treatment Compared to Investigator-assigned Treatment in Transplant Recipients With Cytomegalovirus (CMV) Infections That Are Refractory or Resistant to Treatment With Ganciclovir, Valganciclovir, Foscarnet, or Cidofovir
The purpose of this study is to compare the efficacy of maribavir to investigator-assigned anti-Cytomegalovirus (CMV) therapy in CMV viremia clearance in transplant recipients who are refractory or resistant to prior anti-CMV treatment.
- Conditions
- Cytomegalovirus (CMV)
- Being tested
- Maribavir, Ganciclovir, Valganciclovir, Foscarnet, Cidofovir
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
MaribavirDrug
Also called SHP620
Maribavir 400 milligrams (mg) (2x200 mg tablets) will be administered twice daily for 8 weeks.
GanciclovirDrug
Ganciclovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks.
ValganciclovirDrug
Valganciclovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks.
FoscarnetDrug
Foscarnet as per the investigator's prescribed dosing regimen will be administered for 8 weeks.
CidofovirDrug
Cidofovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks.
| Study group | Role | What they receive |
|---|---|---|
| Maribavir Treatment | Experimental | Participants will receive 400 milligrams (mg) (2x200 mg tablets) maribavir twice daily orally (doses separated by a minimum of 8 hours) for 8 weeks. Receives: Drug: Maribavir |
| Investigator-Assigned Treatment | Active comparator | Participants will receive anti-CMV agent best suited to treat the respective participant as per the investigator's prescribed dosing regimen for 8 weeks. Agents of choice include: ganciclovir, valganciclovir, foscarnet, or cidofovir. Receives: Drug: Ganciclovir; Drug: Valganciclovir; Drug: Foscarnet; Drug: Cidofovir |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of Participants Who Achieved Confirmed Clearance of Plasma Cytomegalovirus (CMV) Deoxyribonucleic Acid (DNA) (CMV Viremia Clearance) at End of Week 8
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration less than (<) lower limit of quantification (LLOQ) that is, <137 International Units per milliliter (IU/mL) when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV Test in 2 consecutive postbaseline samples, separated by at least 5 days. Percentage of participants with confirmed CMV viremia clearance at end of study Week 8 regardless of whether either study-assigned treatment was discontinued before the end of the stipulated 8 weeks of therapy, and could not have received alternative anti-CMV treatment were reported.
Measured: Week 8
Secondary outcomes (25)
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control at End of Week 8, Followed by Maintenance of Treatment Effect at Week 16
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137 IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive postbaseline samples, separated by at least 5 days. CMV infection symptom control was defined as resolution or improvement of tissue invasive CMV disease or CMV syndrome for participants symptomatic at baseline, or maintaining no symptoms of tissue invasive CMV disease or CMV syndrome for participants asymptomatic at baseline. Percentage of participants who achieved CMV viremia clearance and CMV infection symptom control at end of Week 8 through Week 16 were reported.
Measured: Up to Week 16
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance After Receiving 8 Weeks of Study-assigned Treatment
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive postbaseline samples, separated by at least 5 days. Percentage of participants who achieved confirmed CMV viremia clearance after receiving 8 weeks study-assigned treatment at end of Week 8, and maintained this effect through 12, 16 and 20 were reported.
Measured: At Week 8 through Weeks 12, 16 and 20
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control After Receiving 8 Weeks of Study-assigned Treatment Through Weeks 12, 16 and 20
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive postbaseline samples, separated by at least 5 days. CMV infection symptom control was defined as resolution or improvement of tissue invasive CMV disease or CMV syndrome for participants symptomatic at baseline, or maintaining no symptoms of tissue invasive CMV disease or CMV syndrome for participants asymptomatic at baseline. Percentage of participants who achieved confirmed CMV viremia clearance and CMV infection control after receiving 8 weeks study-assigned treatment at end of Week 8, and maintained this effect through 12, 16 and 20 were reported.
Measured: At Week 8 through Weeks 12, 16 and 20
Percentage of Participants Who Maintained CMV Viremia Clearance and CMV Infection Symptom Control at the End of Study Week 8 Through Weeks 12 and 20 Regardless of Whether Either Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive postbaseline samples, separated by at least 5 days. CMV infection symptom control was defined as resolution or improvement of tissue invasive CMV disease or CMV syndrome for participants symptomatic at baseline or maintaining no symptoms of tissue invasive CMV disease or CMV syndrome for participants asymptomatic at baseline. Percentage of participants who maintained CMV viremia clearance and CMV infection symptom control at the end of study Week 8 through Weeks 12 and 20 regardless of whether either study-assigned treatment was discontinued before 8 weeks of therapy were reported.
Measured: At Week 8 through Weeks 12 and 20
Percentage of Participants With Recurrence of CMV Viremia During the First 8 Weeks of Study Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Recurrence of CMV viremia was defined as plasma CMV DNA concentration greater than or equal to (>=) LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance, regardless of whether either study-assigned treatment was discontinued before the end of the stipulated 8 weeks of therapy. Percentage of participants with recurrence of CMV viremia during the first 8 weeks of study regardless of whether study-assigned treatment was discontinued before 8 weeks of therapy were reported.
Measured: At Week 8
Percentage of Participants With Recurrence of CMV Viremia During the 12 Weeks Follow-up Period Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance, regardless of whether either study-assigned treatment was discontinued before the end of the stipulated 8 weeks of therapy. Percentage of participants with recurrence of CMV viremia during the 12 weeks follow-up period regardless of whether study-assigned treatment was discontinued before 8 weeks of therapy were reported.
Measured: End of Week 8 up to Week 20 (12 weeks follow-up period)
Percentage of Participants With Recurrence of CMV Viremia at Any Time on Study Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance, regardless of whether either study-assigned treatment was discontinued before the end of the stipulated 8 weeks of therapy. Percentage of participants with recurrence of CMV viremia during at any time on study regardless of whether study-assigned treatment was discontinued before 8 weeks of therapy were reported.
Measured: Baseline up to Week 20
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the First 8 Weeks of the Treatment
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants with recurrence of CMV viremia during the first 8 Weeks of the treatment who completed 8 weeks of study-assigned treatment were reported.
Measured: Baseline up to Week 8
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the 12 Weeks of Follow-up Period
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants who completed 8 weeks of study-assigned treatment with recurrence of CMV viremia during the 12 weeks of follow-up period were reported.
Measured: End of Week 8 up to Week 20 (12 weeks follow-up period)
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the 20 Weeks of Study
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants with Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants who completed 8 weeks of study-assigned treatment with recurrence of CMV viremia during the 20 weeks of study were reported.
Measured: Baseline up to Week 20
Percentage of Participants With Recurrence of CMV Viremia While on Study-assigned Treatment
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants with recurrence of CMV viremia while on study-assigned treatment period were reported.
Measured: Baseline up to termination of study treatment (up to Week 8)
Percentage of Participants With Recurrence of CMV Viremia While Off Study-assigned Treatment During Follow-up Period
Recurrence of CMV viremia was defined as plasma CMV DNA concentration >=LLOQ when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive plasma samples at least 5 days apart, after achieving confirmed viremia clearance. Percentage of participants with recurrence of CMV viremia while off study-assigned treatment during follow-up period were reported.
Measured: Termination of study treatment (Week 8) up to the End of the Study (Week 20)
Number of Participants Who Had Maribavir CMV Resistance at Baseline
Resistance-associated amino acid substitutions (RASs) to maribavir are known to generally map to the pUL97 and pUL27 genes. Genotyping was performed to identify RASs mapping to the pUL97 and pUL27 genes. Number of participants who had maribavir CMV resistance at baseline were reported.
Measured: At Baseline
Number of Participants Who Had Post-baseline Resistance to Maribavir
Resistance-associated amino acid substitutions (RASs) to maribavir are known to generally map to the pUL97 and pUL27 genes. Genotyping was performed to identify RASs mapping to the pUL97 and pUL27 genes. Number of participants who had post-baseline resistance to maribavir were reported.
Measured: After first dose of study drug up to Week 20
Number of Participants With All-cause Mortality by the End of the Study
All-cause mortality was analyzed by the end of study regardless of the use of rescue treatment or alternative anti-CMV treatment. Number of participants who died during the entire study period were reported.
Measured: From enrollment up to end of study (approximately 44 months)
Time to All Cause Mortality
The time to all-cause mortality by the end of the study participation in days was calculated. Participants who were alive at the last study follow-up (regardless of use of rescue or alternative anti-CMV treatment), withdrew from study or were lost to follow-up were censored at the date of last contact.
Measured: From enrollment to last serious adverse event (SAE) follow-up (approximately Week 28)
Percentage of Participants Who Achieved Confirmed Clearance of Plasma CMV DNA (CMV Viremia Clearance) at End of Week 8 After Starting Maribavir Rescue Treatment
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137 IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV Test in 2 consecutive postbaseline samples, separated by at least 5 days, regardless of whether the rescue treatment was discontinued before the end of the stipulated 8 weeks of therapy. Percentage of participants who achieved confirmed CMV viremia clearance at end of Week 8 after starting maribavir rescue treatment were reported.
Measured: From start of maribavir rescue treatment through 8 weeks
Percentage of Participants Receiving Maribavir Rescue Treatment Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control at Week 8 With Maintenance of Effect Through Week 16
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration <LLOQ that is, <137 IU/mL when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV test in 2 consecutive postbaseline samples, separated by at least 5 days. CMV infection symptom control was defined as resolution or improvement of tissue invasive CMV disease or CMV syndrome for participants symptomatic at baseline, or maintaining no symptoms of tissue invasive CMV disease or CMV syndrome for participants asymptomatic at baseline. Percentage of participants receiving maribavir rescue treatment who achieved confirmed CMV viremia clearance and CMV infection symptom control at Week 8 with maintenance of effect through Week 16 were reported.
Measured: Up to Week 16
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious TEAEs During the On-treatment Observation Period
An adverse event (AE) is any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment. Serious AE was any untoward medical occurrence (whether considered to be related to study-assigned treatment or not) that at any dose resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, resulted in a congenital abnormality/birth defect, or was an important medical event. TEAEs was defined as any adverse events (classified by preferred term) that had a start date on or after the first dose of study treatment or that had a start date before the date of first dose of study treatment, but increased in severity after the first dose of study treatment.
Measured: Baseline up to 7 days or 21 days (if cidofovir used) after the last dose of study treatment (up to Week 8)
Predose Concentration (Cmin) of Maribavir
Cmin of maribavir was reported.
Measured: Predose at Week 1, 4 and 8
Area Under the Concentration Time Curve Over the 12-hour Dosing Interval at Steady State (AUC0-tau) of Marivabir for Adolescent Participants
AUC0-tau of maribavir for adolescent participants was planned to be reported.
Measured: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose, Week 4: Pre-morning dose, and Week 8: Pre-morning dose and 2-4 hour post morning dose
Maximum Plasma Concentration (Cmax) of Maribavir for Adolescent Participants
Cmax of maribavir for adolescent participants was planned to be reported.
Measured: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Time When Maximum Concentration is Observed (Tmax) of Maribavir for Adolescent Participants
Tmax of maribavir for adolescent participants was planned to be reported.
Measured: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Apparent Oral Clearance (CL/F) of Maribavir for Adolescent Participants
Apparent oral clearance (CL/F) of maribavir for adolescent participants was planned to be reported.
Measured: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Apparent Volume of Distribution (Vz/F) of Maribavir for Adolescent Participants
Apparent volume of distribution (Vz/F) of maribavir for adolescent participants was planned to be reported.
Measured: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Oct 2016 (estimated)
- Study start22 Dec 2016
- Primary completion17 Aug 2020
- Study completion17 Aug 2020
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Cytomegalovirus (CMV)Studies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 352 participants (actual)
Sponsor and investigators
- Lead sponsor
- Shire
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Study Director, Study director, Shire
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02931539
- Sponsor's protocol ID
- SHP620-303
- Other IDs
- 2015-004725-13, 2015
- Status last verified
- Sep 2021
- First submitted
- 29 Sep 2016
- Last updated
- 3 Nov 2021
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.
Publications
Kamar N, Avery RK, Bo T, Gu J, Kumar D, Witzke O. Association Between Cytomegalovirus Viremia Clearance and Post-Solid Organ Transplant Mortality in Patients With Refractory Cytomegalovirus Infection: SOLSTICE Post Hoc Analysis. Transpl Int. 2025 Nov 26;38:15331. doi: 10.3389/ti.2025.15331. eCollection 2025.
PubMed 41384277Rajagopalan K, Bullano M, Gelone D, Bo T, Taduka V, Syed SS. Real-world effectiveness and tolerability of post solid organ transplant patients with CMV switching from valganciclovir treatment to maribavir: analysis using lab-linked claims data in the United States. Expert Rev Anti Infect Ther. 2025 Aug;23(8):653-662. doi: 10.1080/14787210.2025.2517344. Epub 2025 Jun 27.
PubMed 40478680Blumberg EA, Witzke O, Harber M, Ison MG, Saliba F, Kamar N, Sundberg AK, Gu J, Kumar D, La Hoz RM. Maribavir for refractory cytomegalovirus infection (with or without resistance) in solid organ transplant recipients: Subgroup analysis of the phase 3 randomized SOLSTICE study. J Heart Lung Transplant. 2025 Jun;44(6):986-994. doi: 10.1016/j.healun.2024.11.026. Epub 2024 Nov 28.
PubMed 39613120Sun K, Fournier M, Sundberg AK, Song IH. Maribavir: Mechanism of action, clinical, and translational science. Clin Transl Sci. 2024 Jan;17(1):e13696. doi: 10.1111/cts.13696.
PubMed 38071422Chou S, Alain S, Cervera C, Chemaly RF, Kotton CN, Lundgren J, Papanicolaou GA, Pereira MR, Wu JJ, Murray RA, Buss NE, Fournier M. Drug Resistance Assessed in a Phase 3 Clinical Trial of Maribavir Therapy for Refractory or Resistant Cytomegalovirus Infection in Transplant Recipients. J Infect Dis. 2024 Feb 14;229(2):413-421. doi: 10.1093/infdis/jiad293.
PubMed 37506264Avery RK, Alain S, Alexander BD, Blumberg EA, Chemaly RF, Cordonnier C, Duarte RF, Florescu DF, Kamar N, Kumar D, Maertens J, Marty FM, Papanicolaou GA, Silveira FP, Witzke O, Wu J, Sundberg AK, Fournier M; SOLSTICE Trial Investigators. Maribavir for Refractory Cytomegalovirus Infections With or Without Resistance Post-Transplant: Results From a Phase 3 Randomized Clinical Trial. Clin Infect Dis. 2022 Sep 10;75(4):690-701. doi: 10.1093/cid/ciab988.
PubMed 34864943Del Pozo Martin Y. 47th Annual Meeting of the EBMT. Lancet Haematol. 2021 May;8(5):e317-e318. doi: 10.1016/S2352-3026(21)00104-6. Epub 2021 Mar 31. No abstract available.
PubMed 33811823
Study at a glance
From the registry record, last updated by the sponsor on 3 Nov 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 3, Multicenter, Randomized, Open-label, Active-controlled Study to Assess the Efficacy and Safety of Maribavir Treatment Compared to Investigator-assigned Treatment in Transplant Recipients With Cytomegalovirus (CMV) Infections That Are Refractory or Resistant to Treatment With Ganciclovir, Valganciclovir, Foscarnet, or Cidofovir
- ClinicalTrials.gov ID
- NCT02931539
- Acronym / sponsor ID
- SHP620-303
- Conditions
- Cytomegalovirus (CMV)
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 352 participants (actual)
- Lead sponsor
- ShireIndustry (pharma, biotech, devices)
- Study start
- 22 Dec 2016 (actual)
- Primary completion
- 17 Aug 2020 (actual)
- Study completion
- 17 Aug 2020 (actual)
- First posted
- 13 Oct 2016 (estimated)
- Results
- Posted 23 Sep 2021
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to compare the efficacy of maribavir to investigator-assigned anti-Cytomegalovirus (CMV) therapy in CMV viremia clearance in transplant recipients who are refractory or resistant to prior anti-CMV treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Maribavir Treatment | Experimental | Drug: MaribavirParticipants will receive 400 milligrams (mg) (2x200 mg tablets) maribavir twice daily orally (doses separated by a minimum of 8 hours) for 8 weeks. |
| Investigator-Assigned Treatment | Active comparator | Drug: Ganciclovir, Drug: Valganciclovir, Drug: Foscarnet, Drug: CidofovirParticipants will receive anti-CMV agent best suited to treat the respective participant as per the investigator's prescribed dosing regimen for 8 weeks. Agents of choice include: ganciclovir, valganciclovir, foscarnet, or cidofovir. |
Who may qualify
- Ages
- 12 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (18 listed)
- The participant must be able to provide written, personally signed, and dated informed consent to participate in the study before completing any study-related procedures. As applicable, a parent/both parents or legally authorized representative (LAR) must provide signature of informed consent and there must be documentation of assent by the participant before completing any study-related procedures.
- The participant must be a recipient of hematopoietic stem cell or solid organ transplant.
- The participant must have a documented CMV infection in whole blood or plasma, with a screening value of greater than or equal to (>=) 2730 international units per milliliter (IU/mL) in whole blood or >= 910 IU/mL in plasma in 2 consecutive assessments, separated by at least 1 day, as determined by local or central specialty laboratory quantitative polymerase chain reaction (qPCR) or comparable quantitative CMV DNA results. Both samples should be taken within 14 days prior to randomization with second sample obtained within 5 days prior to randomization. The same laboratory and same sample type (whole blood or plasma) must be used for these assessments.
- The participant must have a current CMV infection that is refractory to the most recently administered of the four anti-CMV treatment agents. Refractory is defined as documented failure to achieve greater than (>) 1 log10 (common logarithm to base 10) decrease in CMV DNA level in whole blood or plasma after a 14 day or longer treatment period with intravenous (IV) ganciclovir/oral valganciclovir, IV foscarnet, or IV cidofovir.
- The Investigator must be willing to treat the participant with at least one of the available anti-CMV drugs (ganciclovir, valganciclovir, foscarnet, or cidofovir). Note: Combination therapy with foscarnet and cidofovir is not permitted in the investigator-assigned anti-CMV treatment (IAT) arm due to the potential for serious nephrotoxicity.
Key exclusion criteria (16 listed)
- Have a current CMV infection that is considered refractory or resistant due to inadequate adherence to prior anti-CMV treatment, to the best knowledge of the Investigator.
- Require ganciclovir, valganciclovir, foscarnet, or cidofovir administration for conditions other than CMV when study treatment is initiated (example: herpes simplex virus (HSV) coinfection requiring use of any of these agents after the randomization) or would need a coadministration with maribavir for CMV infection. NOTE: A participant who is not continuing with the same anti-CMV drug(s) (ganciclovir, valganciclovir or foscarnet) for the study treatment (if randomized to the investigator assigned anti-CMV treatment arm), must discontinue their use before the first dose of study drug. If participant is currently being treated with cidofovir and is assigned another anti-CMV therapy by the investigator, the participant must discontinue its use at least 14 days prior to randomization at Visit 2/Day 0 and the first dose of study treatment.
- Be receiving leflunomide, letermovir, or artesunate when study treatment is initiated. NOTE: Participants receiving leflunomide must discontinue the use at least 14 days prior to randomization at Visit 2/Day 0 and the first dose of study treatment. Participants receiving letermovir must discontinue use at least 3 days prior to the first dose of study treatment. Participants receiving artesunate must discontinue the use prior to the first dose of study treatment.
- Have severe vomiting, diarrhea, or other severe gastrointestinal illness within 24 hours prior to the first dose of study treatment that would preclude administration of oral/enteral medication.
- Have known hypersensitivity to the active substance or to an excipient for a study treatment.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| MaribavirAlso: SHP620Maribavir 400 milligrams (mg) (2x200 mg tablets) will be administered twice daily for 8 weeks. | Drug | Maribavir Treatment |
| GanciclovirGanciclovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks. | Drug | Investigator-Assigned Treatment |
| ValganciclovirValganciclovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks. | Drug | Investigator-Assigned Treatment |
| FoscarnetFoscarnet as per the investigator's prescribed dosing regimen will be administered for 8 weeks. | Drug | Investigator-Assigned Treatment |
| CidofovirCidofovir as per the investigator's prescribed dosing regimen will be administered for 8 weeks. | Drug | Investigator-Assigned Treatment |
Primary outcome
Percentage of Participants Who Achieved Confirmed Clearance of Plasma Cytomegalovirus (CMV) Deoxyribonucleic Acid (DNA) (CMV Viremia Clearance) at End of Week 8
Time frame: Week 8
Confirmed CMV viremia clearance was defined as plasma CMV DNA concentration less than (<) lower limit of quantification (LLOQ) that is, <137 International Units per milliliter (IU/mL) when assessed by COBAS® AmpliPrep/COBAS® TaqMan® CMV Test in 2 consecutive postbaseline samples, separated by at least 5 days. Percentage of participants with confirmed CMV viremia clearance at end of study Week 8 regardless of whether either study-assigned treatment was discontinued before the end of the stipulated 8 weeks of therapy, and could not have received alternative anti-CMV treatment were reported.
25 secondary outcomes
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control at End of Week 8, Followed by Maintenance of Treatment Effect at Week 16
Time frame: Up to Week 16
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance After Receiving 8 Weeks of Study-assigned Treatment
Time frame: At Week 8 through Weeks 12, 16 and 20
Percentage of Participants Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control After Receiving 8 Weeks of Study-assigned Treatment Through Weeks 12, 16 and 20
Time frame: At Week 8 through Weeks 12, 16 and 20
Percentage of Participants Who Maintained CMV Viremia Clearance and CMV Infection Symptom Control at the End of Study Week 8 Through Weeks 12 and 20 Regardless of Whether Either Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Time frame: At Week 8 through Weeks 12 and 20
Percentage of Participants With Recurrence of CMV Viremia During the First 8 Weeks of Study Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Time frame: At Week 8
Percentage of Participants With Recurrence of CMV Viremia During the 12 Weeks Follow-up Period Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Time frame: End of Week 8 up to Week 20 (12 weeks follow-up period)
Percentage of Participants With Recurrence of CMV Viremia at Any Time on Study Regardless of Whether Study-assigned Treatment Was Discontinued Before 8 Weeks of Therapy
Time frame: Baseline up to Week 20
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the First 8 Weeks of the Treatment
Time frame: Baseline up to Week 8
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the 12 Weeks of Follow-up Period
Time frame: End of Week 8 up to Week 20 (12 weeks follow-up period)
Percentage of Participants Who Completed 8 Weeks of Study-assigned Treatment With Recurrence of CMV Viremia During the 20 Weeks of Study
Time frame: Baseline up to Week 20
Percentage of Participants With Recurrence of CMV Viremia While on Study-assigned Treatment
Time frame: Baseline up to termination of study treatment (up to Week 8)
Percentage of Participants With Recurrence of CMV Viremia While Off Study-assigned Treatment During Follow-up Period
Time frame: Termination of study treatment (Week 8) up to the End of the Study (Week 20)
Number of Participants Who Had Maribavir CMV Resistance at Baseline
Time frame: At Baseline
Number of Participants Who Had Post-baseline Resistance to Maribavir
Time frame: After first dose of study drug up to Week 20
Number of Participants With All-cause Mortality by the End of the Study
Time frame: From enrollment up to end of study (approximately 44 months)
Time to All Cause Mortality
Time frame: From enrollment to last serious adverse event (SAE) follow-up (approximately Week 28)
Percentage of Participants Who Achieved Confirmed Clearance of Plasma CMV DNA (CMV Viremia Clearance) at End of Week 8 After Starting Maribavir Rescue Treatment
Time frame: From start of maribavir rescue treatment through 8 weeks
Percentage of Participants Receiving Maribavir Rescue Treatment Who Achieved Confirmed CMV Viremia Clearance and CMV Infection Symptom Control at Week 8 With Maintenance of Effect Through Week 16
Time frame: Up to Week 16
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious TEAEs During the On-treatment Observation Period
Time frame: Baseline up to 7 days or 21 days (if cidofovir used) after the last dose of study treatment (up to Week 8)
Predose Concentration (Cmin) of Maribavir
Time frame: Predose at Week 1, 4 and 8
Area Under the Concentration Time Curve Over the 12-hour Dosing Interval at Steady State (AUC0-tau) of Marivabir for Adolescent Participants
Time frame: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose, Week 4: Pre-morning dose, and Week 8: Pre-morning dose and 2-4 hour post morning dose
Maximum Plasma Concentration (Cmax) of Maribavir for Adolescent Participants
Time frame: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Time When Maximum Concentration is Observed (Tmax) of Maribavir for Adolescent Participants
Time frame: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Apparent Oral Clearance (CL/F) of Maribavir for Adolescent Participants
Time frame: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Apparent Volume of Distribution (Vz/F) of Maribavir for Adolescent Participants
Time frame: Week 1: Pre-morning dose and 1, 2, 3, 4, 6, 8 and 12 hours post morning dose
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Nov 2021.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 41384277Kamar N, Avery RK, Bo T, Gu J, Kumar D, Witzke O. Association Between Cytomegalovirus Viremia Clearance and Post-Solid Organ Transplant Mortality in Patients With Refractory Cytomegalovirus Infection: SOLSTICE Post Hoc Analysis. Transpl Int. 2025 Nov 26;38:15331. doi: 10.3389/ti.2025.15331. eCollection 2025.
- Derived from this study: PubMed 40478680Rajagopalan K, Bullano M, Gelone D, Bo T, Taduka V, Syed SS. Real-world effectiveness and tolerability of post solid organ transplant patients with CMV switching from valganciclovir treatment to maribavir: analysis using lab-linked claims data in the United States. Expert Rev Anti Infect Ther. 2025 Aug;23(8):653-662. doi: 10.1080/14787210.2025.2517344. Epub 2025 Jun 27.
- Derived from this study: PubMed 39613120Blumberg EA, Witzke O, Harber M, Ison MG, Saliba F, Kamar N, Sundberg AK, Gu J, Kumar D, La Hoz RM. Maribavir for refractory cytomegalovirus infection (with or without resistance) in solid organ transplant recipients: Subgroup analysis of the phase 3 randomized SOLSTICE study. J Heart Lung Transplant. 2025 Jun;44(6):986-994. doi: 10.1016/j.healun.2024.11.026. Epub 2024 Nov 28.
- Derived from this study: PubMed 38071422Sun K, Fournier M, Sundberg AK, Song IH. Maribavir: Mechanism of action, clinical, and translational science. Clin Transl Sci. 2024 Jan;17(1):e13696. doi: 10.1111/cts.13696.
- Derived from this study: PubMed 37506264Chou S, Alain S, Cervera C, Chemaly RF, Kotton CN, Lundgren J, Papanicolaou GA, Pereira MR, Wu JJ, Murray RA, Buss NE, Fournier M. Drug Resistance Assessed in a Phase 3 Clinical Trial of Maribavir Therapy for Refractory or Resistant Cytomegalovirus Infection in Transplant Recipients. J Infect Dis. 2024 Feb 14;229(2):413-421. doi: 10.1093/infdis/jiad293.
- Derived from this study: PubMed 34864943Avery RK, Alain S, Alexander BD, Blumberg EA, Chemaly RF, Cordonnier C, Duarte RF, Florescu DF, Kamar N, Kumar D, Maertens J, Marty FM, Papanicolaou GA, Silveira FP, Witzke O, Wu J, Sundberg AK, Fournier M; SOLSTICE Trial Investigators. Maribavir for Refractory Cytomegalovirus Infections With or Without Resistance Post-Transplant: Results From a Phase 3 Randomized Clinical Trial. Clin Infect Dis. 2022 Sep 10;75(4):690-701. doi: 10.1093/cid/ciab988.
- Derived from this study: PubMed 33811823Del Pozo Martin Y. 47th Annual Meeting of the EBMT. Lancet Haematol. 2021 May;8(5):e317-e318. doi: 10.1016/S2352-3026(21)00104-6. Epub 2021 Mar 31. No abstract available.
- To obtain more information on the study, click here/on this linkLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Study Director study director
Shire
134 sites in 14 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Maribavir, Ganciclovir and Valganciclovir in people with Cytomegalovirus (CMV), run by Shire at 134 sites in 14 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 18 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 3 Nov 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 134 sites in United States, France, United Kingdom, Spain, Germany and 9 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 23 Sep 2021). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of Participants Who Achieved Confirmed Clearance of Plasma Cytomegalovirus (CMV) Deoxyribonucleic Acid (DNA) (CMV Viremia Clearance) at End of Week 8 (time frame: Week 8). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02931539, which also lists 7 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Nov 2021.