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AzTrials

Infections, PapillomavirusPhase 3NCT00294047

Study to Evaluate the Efficacy of the Human Papillomavirus Vaccine in Healthy Adult Women of 26 Years of Age and Older

A Phase 3 study testing Cervarix in people with Infections, Papillomavirus and Papillomavirus Vaccines, run by GlaxoSmithKline at 75 sites in 12 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a multicentre study in which women were planned to receive either the Human Papillomavirus Vaccine (HPV) vaccine or control. Under Protocol Amendment 3, study participation will last approximately 48 months and involves a total of eleven scheduled visits. Read more about this study

Who is it for?
Ages 26 years and older, women onlyHealthy volunteers can take part
What is being tested?
Cervarix
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
5,752 participants
Where
75 sitesin 12 countries
Study dates
16 Feb 2006to 29 Jan 2014
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 26 years and older
  • Women only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • A woman who the investigator believes that she can and will comply with the requirements of the protocol.
  • A women of at least 26 years of age at the time of the first vaccination.
  • Written informed consent obtained from the subject prior to enrolment.
  • Free of obvious health problems as established by medical history and clinical examination before entering into the study.
  • Subject must have intact cervix.
  • Subject must have a negative urine pregnancy test. This test is not applicable to women of non-childbearing potential.
  • Subject must be of non-childbearing potential or, if of childbearing potential, she must be abstinent or must be using an effective method of birth control for 30 days prior to the first vaccination and must agree to continue such precautions for two months after completion of the vaccination series.

Who cannot join

  • Pregnant or breastfeeding (women must be at least three months post-pregnancy and not breastfeeding to enter the study).
  • A women planning to become pregnant, likely to become pregnant (as determined by the investigator) or planning to discontinue contraceptive precautions during the vaccination phase of the study, i.e. up to two months after the last vaccine dose (Month 0 - 8).
  • Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the study period (up to Month 84).
  • Chronic administration of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose.
  • Planned administration/administration of a vaccine not foreseen by the study protocol within 30 days before and 30 days after (i.e. days 0 - 29) the first dose of study vaccine. Planned administration/administration of routine vaccines up to 8 days before the first dose of study vaccine is allowed. Enrolment will be deferred until the subject is outside of specified window.
  • Previous administration of components of the investigational vaccine
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  • Previous vaccination against HPV or planned administration of any HPV vaccine other than that foreseen by the study protocol during the study period.
  • History of HPV infection/treatment or planned treatment to evaluate an abnormal cervical cytology (Pap smear) test, e.g. colposcopy.
  • Any medically diagnosed or suspected immunodeficient condition based on medical history and physical examination.
  • History of allergic disease, suspected allergy or reactions likely to be exacerbated by any component of the study vaccine.
  • Hypersensitivity to latex.
  • Known acute or chronic, clinically significant neurologic, hepatic or renal functional abnormality, as determined by previous physical examination or laboratory tests.
  • History of chronic condition(s) requiring treatment.
  • Administration of immunoglobulins and/or any blood product within three months preceding the first dose of study vaccine, or planned administration during the study period. Enrolment will be deferred until the subject is outside of specified window.
  • Acute disease at the time of enrolment.
  • Heavy bleeding (menstruation or other) or heavy vaginal discharge in which a pelvic exam cannot be performed (and no cervical sample can be taken). Enrolment will be deferred until condition is resolved according to investigators medical judgement.

Trial locations and contacts

75 sites in 12 countries.

75 sites in 12 countries

United States36 sites
  • GSK Investigational Site

    Akron, Ohio, 44311

  • GSK Investigational Site

    Albuquerque, New Mexico, 87131

  • GSK Investigational Site

    Augusta, Georgia, 30912

  • GSK Investigational Site

    Aurora, Colorado, 80045

  • GSK Investigational Site

    Austin, Texas, 78705

  • GSK Investigational Site

    Bardstown, Kentucky, 40004

  • GSK Investigational Site

    Carnegie, Pennsylvania, 15106

  • GSK Investigational Site

    Chapel Hill, North Carolina, 27514

  • GSK Investigational Site

    Chaska, Minnesota, 55318

  • GSK Investigational Site

    Cleveland, Ohio, 44122

  • GSK Investigational Site

    Coral Gables, Florida, 33134

  • GSK Investigational Site

    Erie, Pennsylvania, 16507

  • GSK Investigational Site

    Erie, Pennsylvania, 16508

  • GSK Investigational Site

    Fountain Valley, California, 92708

  • GSK Investigational Site

    Golden, Colorado, 80401

  • GSK Investigational Site

    Houston, Texas, 77004

  • GSK Investigational Site

    Houston, Texas, 77030

  • GSK Investigational Site

    Iowa City, Iowa, 52242

  • GSK Investigational Site

    La Crosse, Wisconsin, 54601

  • GSK Investigational Site

    Lebanon, New Hampshire, 03756

  • GSK Investigational Site

    Louisville, Kentucky, 40202

  • GSK Investigational Site

    Miami, Florida, 33136

  • GSK Investigational Site

    New Bern, North Carolina, 28562

  • GSK Investigational Site

    Omaha, Nebraska, 68131

  • GSK Investigational Site

    Philadelphia, Pennsylvania, 19107

  • GSK Investigational Site

    Pittsburgh, Pennsylvania, 15213

  • GSK Investigational Site

    Pittsburgh, Pennsylvania, 15236

  • GSK Investigational Site

    Portland, Oregon, 97210

  • GSK Investigational Site

    Salt Lake City, Utah, 84109

  • GSK Investigational Site

    Salt Lake City, Utah, 84121

  • GSK Investigational Site

    South Jordan, Utah, 84095

  • GSK Investigational Site

    Syracuse, New York, 13057

  • GSK Investigational Site

    Tulsa, Oklahoma, 74105

  • GSK Investigational Site

    Wenatchee, Washington, 98801

  • GSK Investigational Site

    Wexford, Pennsylvania, 15090

  • GSK Investigational Site

    Wichita, Kansas, 67207

Other trials in United States

Canada7 sites
  • GSK Investigational Site

    Edmonton, Alberta, T6G 2C8

  • GSK Investigational Site

    Halifax, Nova Scotia, B3H 2Y9

  • GSK Investigational Site

    Québec, Quebec, G1S 2L6

  • GSK Investigational Site

    Sherbrooke, Quebec, J1H 1Z1

  • GSK Investigational Site

    Truro, Nova Scotia, B2N 1L2

  • GSK Investigational Site

    Vancouver, British Columbia, V6H 3N1

  • GSK Investigational Site

    Waterloo, Ontario, N2L 6H6

Other trials in Canada

Russia6 sites
  • GSK Investigational Site

    Moscow, 109263

  • GSK Investigational Site

    Moscow, 115 478

  • GSK Investigational Site

    Moscow, 117997

  • GSK Investigational Site

    Saint Petersburg, 190020

  • GSK Investigational Site

    Saint Petersburg, 199034

  • GSK Investigational Site

    Yekaterinburg, 620073

Other trials in Russia

United Kingdom6 sites
  • GSK Investigational Site

    Aberdeen, AB25 7ZD

  • GSK Investigational Site

    Cardiff, CF14 4XN

  • GSK Investigational Site

    Gateshead, NE9 6SX

  • GSK Investigational Site

    London, EC1M 6BQ

  • GSK Investigational Site

    Manchester, M13 9WL

  • GSK Investigational Site

    Northwood, Middlesex, HA6 2RN

Other trials in United Kingdom

Portugal5 sites
  • GSK Investigational Site

    Almada, 2805-267 Almada

  • GSK Investigational Site

    Coimbra, 3000-075 Coimbra

  • GSK Investigational Site

    Lisbon, 1200-831 Lisboa

  • GSK Investigational Site

    Porto, 4200-023 Porto

  • GSK Investigational Site

    Setúbal, 2910-446 Setúbal

Other trials in Portugal

Netherlands3 sites
  • GSK Investigational Site

    Amsterdam, 1007 MB

  • GSK Investigational Site

    Delft, 2625 AD

  • GSK Investigational Site

    Rotterdam, 3015 CE

Other trials in Netherlands

Philippines3 sites
  • GSK Investigational Site

    Laguna

  • GSK Investigational Site

    San Pablo

  • GSK Investigational Site

    Taft Avenue, Manila, 1700

Other trials in Philippines

Australia2 sites
  • GSK Investigational Site

    Parkville, Victoria, 3052

  • GSK Investigational Site

    Perth, Western Australia

Other trials in Australia

Mexico2 sites
  • GSK Investigational Site

    Cuenavaca, Morelos, 62430

  • GSK Investigational Site

    Jojutla / Morelos

Other trials in Mexico

Singapore2 sites
  • GSK Investigational Site

    Singapore, 119074

  • GSK Investigational Site

    Singapore, 229899

Other trials in Singapore

Thailand2 sites
  • GSK Investigational Site

    Bangkok, 10400

  • GSK Investigational Site

    Bangkok, 10700

Other trials in Thailand

Peru1 site
  • GSK Investigational Site

    Lima

Other trials in Peru

About this study

Official title: A Study to Evaluate Safety, Immunogenicity and Efficacy of GSK Biologicals HPV-16/18 L1/AS04 Vaccine Administered Intramuscularly According to a Three-dose Schedule (0, 1, 6 Month) in Healthy Adult Female Subjects Aged 26 Years and Above

This is a multicentre study in which women were planned to receive either the Human Papillomavirus Vaccine (HPV) vaccine or control. Under Protocol Amendment 3, study participation will last approximately 48 months and involves a total of eleven scheduled visits. Under Protocol Amendment 4, study participation will last up to 84 months and involves a maximum of seventeen scheduled visits.

Read the detailed description

The Protocol Posting has been updated due to protocol amendment 5 and in order to comply with the FDA Amendment Act, Sep 2007.

Being tested
Cervarix, Placebo control
Keywords
Vaccine, Human papillomavirus, Cervical Cancer, Cervical Infection
Medical subject headings
Papillomavirus Infections, Uterine Cervical Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CervarixBiological

    Subjects were planned to receive three doses of the study vaccine administered intramuscularly according to a 0, 1, 6 month vaccination schedule.

  • Placebo controlBiological

    Subjects were planned to receive three doses of the control vaccine administered intramuscularly according to a 0, 1, 6 month vaccination schedule.

Study groups in NCT00294047
Study groupRoleWhat they receive
Cervarix GroupExperimentalSubjects received 3 doses of Cervarix™ vaccine. Cervarix vaccine was administered intramuscularly into the deltoid region of the non-dominant arm according to a 0, 1, 6 months schedule.
Receives: Biological: Cervarix
Aluminium Hydroxide GroupPlacebo comparatorSubjects received 3 doses of Aluminium Hydroxide [Al(OH)3]. Aluminium Hydroxide was administered intramuscularly into the deltoid region of the non-dominant arm according to a 0, 1, 6 months schedule.
Receives: Biological: Placebo control

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18 and/or With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection.

    CIN1+ = CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Persistent HPV infection = detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    • DNA- and sero-/+: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and 6 and seronegative/positive (sero-/+) at Month 0 for the corresponding HPV-type by Enzyme-linked Immunosorbent Assay (ELISA)
    • Overall: subjects DNA- at Month 0 and 6 for the corresponding HPV-type, regardless of initial serostatus

    Measured: Up to Month 48

  2. Number of Subjects With Persistent Infection (6-month Definition) With HPV-16 or HPV-18 and/or With Histopathologically-CIN1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Using the HPV Type Assignment Algorithm (TAA).

    CIN1+ = CIN grades 1, 2 and 3, AIS and invasive cervical cancer. Persistent cervical HPV infection (6-month definition) = detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    • DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 48

  3. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18 and/or With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection.

    CIN1+ = CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer. Persistent HPV infection = detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. - DNA- and sero-/+: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and 6 and seronegative/positive (sero-/+) at Month 0 for the corresponding HPV-type by Enzyme-linked Immunosorbent Assay (ELISA) - Overall: subjects DNA- at Month 0 and 6 for the corresponding HPV-type, regardless of initial serostatus

    Measured: Up to Month 84

  4. Number of Subjects With Persistent Infection (6-month Definition) With HPV-16 or HPV-18 and/or With Histopathologically-CIN1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Using the HPV Type Assignment Algorithm (TAA).

    CIN1+ = CIN grades 1, 2 and 3, AIS and invasive cervical cancer. Persistent cervical HPV infection (6-month definition) = detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. - DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 84

Secondary outcomes (45)
  1. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    Detection was done in:

    • DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 48

  2. Number of Subjects With Persistent Infection (12-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18

    Persistent cervical HPV infection (12-month definition) was defined as the detection of the same HPV type(s) PCR in cervical samples at all available time points over approximately a 12-month interval (evaluations are planned at approximately 6-month intervals).

    • DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 48

  3. Number of Subjects With Persistent Infection (6-month Definition) With Oncogenic HPV Types Individually or in Combinations.

    Persistent cervical HPV infection (6-month definition) = detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

    Detection was done in subjects HPV DNA- for the corresponding HPV type at baseline (at month 0 and Month 6) regardless of initial serostatus.

    HPV-HRW=All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18. HPV-HR=High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

    Measured: Up to Month 48

  4. Number of Subjects With Persistent Infection (12-month Definition) With Oncogenic HPV Types Individually or in Combinations.

    Persistent HPV infection (12-month definition) = detection of the same HPV type(s) by PCR in cervical samples at available time points over approximately a 12-month interval (evaluations are planned at approximately 6-month intervals).

    Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

    subjects HPV DNA- for the corresponding HPV type at Month 0 6, regardless of initial serostatus.

    HPV-HRW=All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HPV-HR=High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 , 68

    Measured: Up to Month 48

  5. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)2+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    CIN2+ was defined as CIN grades 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done in:

    • DNA- and sero-: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Note: Results for seropositive status were not analysed.

    Measured: Up to Month 48

  6. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done in:

    • DNA- and sero-/+: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 48

  7. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done on all subjects irrespective of their baseline HPV DNA and serostatus.

    Measured: Up to Month 48

  8. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Irrespective of HPV Cervical Infection and Irrespective of Baseline HPV DNA Status

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 48

  9. Number of Subjects With Any Cytological Abnormalities Associated With HPV-16 or HPV-18 Cervical Infection

    Cytological abnormalities = atypical squamous cells of undetermined significance (ASC-US).

    Detection was done in:

    • DNA- and sero-: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0).
    • Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Results for seropositive status were not analysed.

    Measured: Up to Month 48

  10. Number of Subjects With Cytological Abnormalities Associated With Oncogenic HPV Types Individually or in Combinations

    Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

    Detection was done in subjects who were HPV DNA negative for the corresponding HPV type at baseline (at month 0 and Month 6) regardless of initial serostatus.

    HRW-HPV= All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HPV-HR= High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68

    Measured: Up to Month 48

  11. Number of Subjects With Histopathologically Confirmed Reduction of Local Cervical Therapy

    Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 48

  12. Number of Subjects With First Colposcopy

    Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 48

  13. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18 and/or With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done on all subjects irrespective of their baseline HPV DNA and serostatus.

    Measured: Up to Month 48

  14. Number of Subjects With Persistent Infection (6-month Definition) With HPV-16 or HPV-18 and/or With Histopathologically-confirmed CIN1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Using the HPV Type Assignment Algorithm (TAA).

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

    Detection was done on all subjects irrespective of their baseline HPV DNA and serostatus.

    The lesion was assigned to an HPV type found in the lesion if (1) the same HPV type was found in at least 1 of the 2 (closest) preceding cytology samples, or (2) none of the HPV types found in the lesion were found in any of the 2 preceding cytology samples (isolate HPV types)

    Measured: Up to Month 48

  15. Number of Seroconverted Subjects Against HPV-16 in the Immunogenicity Subset.

    Seroconversion was defined as the appearance of antibodies (i.e.; titre greater than or equal to the cut-off value) in the serum of subjects seronegative before vaccination.

    HPV-16 assay cut-off value was defined as greater than or equal to 8 ELISA units per millilitre (EL.U/mL). Seronegative (Sero-) subjects are subjects who had an antibody concentration below 8 EL.U/mL prior to vaccination. Seropositive (Sero+) subjects are subjects who had an antibody concentration equal to or above 8 EL.U/mL prior to vaccination.

    Immuno subset=subjects from selected sites N≥1000, at least 250 per region

    Measured: At pre-vaccination and at Month 7, 12, 18, 24, 36, 48, 60, 72 and 84

  16. Number of Seroconverted Subjects Against HPV-18 in the Immunogenicity Subset.

    Seroconversion was defined as the appearance of antibodies (i.e.; titre greater than or equal to the cut-off value) in the serum of subjects seronegative before vaccination.

    HPV-18 assay cut-off value was defined as greater than or equal to 7 ELISA units per millilitre (EL.U/mL). Seronegative (Sero-) subjects are subjects who had an antibody concentration below 7 EL.U/mL prior to vaccination. Seropositive (Sero+) subjects are subjects who had an antibody concentration equal to or above 7 EL.U/mL prior to vaccination.

    Immuno subset=subjects from selected sites N≥1000, at least 250 per region

    Measured: At pre-vaccination and at Month 7, 12, 18, 24, 36, 48, 60, 72 and 84

  17. Geometric Mean Concentrations (GMCs) Against HPV-16 Antibody in the Immunogenicity Subset.

    GMCs were expressed in ELISA units per milliliter (EL.U/mL).

    Seronegative (Sero-) subjects are subjects who had an antibody concentration below 8 EL.U/mL prior to vaccination. Seropositive (Sero+) subjects are subjects who had an antibody concentration equal to or above 8 EL.U/mL prior to vaccination.

    Immuno subset=subjects from selected sites (N≥1000, at least 250 per region)

    Measured: At pre-vaccination and at Month 7, 12, 18, 24, 36, 48, 60, 72 and 84

  18. Geometric Mean Concentrations (GMCs) Against HPV-18 Antibody in the Immunogenicity Subset.

    GMCs were expressed in ELISA units per milliliter (EL.U/mL).

    Seronegative (Sero-) subjects are subjects who had an antibody concentration below 7 EL.U/mL prior to vaccination. Seropositive (Sero+) subjects are subjects who had an antibody concentration equal to or above 7 EL.U/mL prior to vaccination.

    Immuno subset=subjects from selected sites (N≥1000, at least 250 per region)

    Measured: At pre-vaccination and at Month 7, 12, 18, 24, 36, 48, 60, 72 and 84

  19. Number of Seroconverted Subjects Against HPV-16 and HPV-18 Viral Neutralization in a Selected Subset of Subjects.

    Seroconversion was defined as the appearance of antibodies (i.e.; titre greater than or equal to the cut-off value) in the serum of subjects seronegative before vaccination. HPV-16/18 assay cut-off value was defined as greater than or equal to 40 Estimated dose 50% (ED50). Sero- subjects are subjects who had an antibody concentration below 40 ED50 prior to vaccination. Sero+ subjects are subjects who had an antibody concentration equal to or above 50 ED50 prior to vaccination. ED50 = the estimated serum dilution reducing the signal generated by viral infection by 50%

    Measured: Prior to vaccination and at Months 7, 12, 18, 24, 48 and 84.

  20. Geometric Mean Titers (GMTs) Against HPV-16 and HPV-18 Viral Neutralization Antibodies in a Selected Subset of Subjects.

    Titers are expressed as geometric mean antibody titers (GMTs).

    Seronegative (Sero-) subjects are subjects who had an antibody titer below 40 ED50 prior to vaccination. Seropositive (Sero+) subjects are subjects who had an antibody titer equal to or above 40 ED50 prior to vaccination.

    ED50 = Estimated dose 50%, the estimated serum dilution reducing the signal generated by viral infection by 50%

    Measured: Prior to vaccination and at Months 7, 12, 18, 24, 48 and 84.

  21. Number of Subjects Reporting Any and Grade 3 Solicited Local Symptoms.

    Solicited local symptoms assessed were pain, redness and swelling. Any was defined as any solicited local symptom reported irrespective of intensity. Grade 3 pain was defined as pain that prevented normal activity. Grade 3 redness and swelling was defined as redness/swelling above 50 millimeter (mm).

    Measured: Within 7 days (Days 0-6) after vaccination

  22. Number of Subjects Reporting Any, Grade 3 and Related Solicited General Symptoms.

    Solicited general symptoms assessed were arthralgia, fatigue, gastrointestinal, headache, myalgia, rash, urticaria and fever (Fever = axillary temperature above 37.5 degrees Celsius (°C)). Any = any solicited general symptom reported irrespective of intensity and relationship to vaccination. Related = symptoms considered by the investigator to have a causal relationship to vaccination. Grade 3 symptoms = symptoms that prevented normal activity. Grade 3 urticaria = urticaria distributed on at least 4 body areas. Grade 3 fever = axillary temperature above 39.0°C.

    Measured: Within 7 days (Days 0-6) after vaccination

  23. Number of Subjects Reporting Any, Grade 3 and Related Unsolicited Adverse Events (AEs).

    An unsolicited adverse event is any adverse event (i.e. any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with use of a medicinal product, whether or not considered related to the medicinal product) reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Grade 3 unsolicited AE = an event that prevented normal activity.

    A related AE = event assessed by the investigator as causally related to the study vaccination.

    Measured: Within 30 days (Days 0 - 29) post-vaccination period.

  24. Number of Subjects Reporting Any and Related Serious Adverse Events (SAEs).

    SAEs assessed include medical occurrences that results in death, are life threatening, require hospitalization or prolongation of hospitalization, results in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subjects. A related SAE was defined as an event assessed by the investigator as causally related to the study vaccination.

    Measured: Up to Month 48 and up to Month 84

  25. Number of Subjects Reporting Related or Fatal Serious Adverse Event.

    Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

    Measured: Up to Month 84

  26. Number of Subjects Reporting Any AE/SAE Leading to Premature Discontinuation of the Study.

    An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.

    Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

    Measured: Up to Month 84

  27. Number of Subjects Reporting New Onset of Chronic Disease (NOCDs).

    NOCDs include autoimmune disorders, asthma and type I diabetes.

    Measured: Up to Month 48

  28. Number of Subjects Reporting New Onset of Autoimmune Disease (NOADs).

    Measured: Up to Month 48

  29. Number of Subjects Reporting Medically Significant Conditions (MAEs).

    Medically significant conditions were defined as: AEs prompting emergency room or physician visits that were not (1) related to common diseases or (2) routine visits for physical examination or vaccination, or SAEs that were not related to common diseases. Common diseases included: upper respiratory infections, sinusitis, pharyngitis, gastroenteritis, urinary tract infections, cervicovaginal yeast infections, menstrual cycle abnormalities and injury.

    Measured: Up to Month 48

  30. Number of Subjects With Pregnancies and Their Outcomes.

    Pregnancy outcomes are live infant, premature live infant, elective termination, ectopic pregnancy, spontaneous abortion, lost to follow-up and pregnancy ongoing. For each category it was specified if the infant presents congenital anomaly (CA) or no apparent congenital anomaly (No ACA).

    Measured: Up to Month 48

  31. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Using the Type Assignment Algorithm (TAA)

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer.

    Detection was done on subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    TAA: Type assignment algorithm. The lesion was assigned to an HPV type found in the lesion if

    1. the same HPV type was found in at least one of the two (closest) preceding cytology samples, or
    2. none of the HPV types found in the lesion were found in any of the two preceding cytology samples (isolate HPV types)

    Measured: Up to Month 48

  32. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. Detection was done in: - DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 84

  33. Number of Subjects With Persistent Infection (12-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18

    Persistent cervical HPV infection (12-month definition) was defined as the detection of the same HPV type(s) PCR in cervical samples at all available time points over approximately a 12-month interval (evaluations are planned at approximately 6-month intervals). - DNA- and sero-/+: subjects HPV DNA negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by ELISA at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 84

  34. Number of Subjects With Persistent Infection (6-month Definition) With Oncogenic HPV Types Individually or in Combinations.

    Persistent cervical HPV infection (6-month definition) = detection of the same HPV type(s) by PCR in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68. Detection was done in subjects HPV DNA- for the corresponding HPV type at baseline (at month 0 and Month 6) regardless of initial serostatus. HPV-HRW=All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18. HPV-HR=High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

    Measured: Up to Month 84

  35. Number of Subjects With Persistent Infection (12-month Definition) With Oncogenic HPV Types Individually or in Combinations.

    Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68. subjects HPV DNA- for the corresponding HPV type at Month 0 6, regardless of initial serostatus. HPV-HRW=All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HPV-HR=High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 , 68

    Measured: Up to Month 84

  36. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)2+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    CIN2+ was defined as CIN grades 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer. Detection was done in: - DNA- and sero-: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline. Note: Results for seropositive status were not analysed.

    Measured: Up to Month 84

  37. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer. Detection was done in: - DNA- and sero-/+: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative/positive (sero-/+) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

    Measured: Up to Month 84

  38. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Within the Lesional Component of the Cervical Tissue Specimen

    Measured: Up to Month 84

  39. Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Irrespective of HPV Cervical Infection and Irrespective of Baseline HPV DNA Status

    CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer. Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 84

  40. Number of Subjects With Any Cytological Abnormalities Associated With HPV-16 or HPV-18 Cervical Infection

    Cytological abnormalities = atypical squamous cells of undetermined significance (ASC-US). Detection was done in: - DNA- and sero-: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0). - Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline. Results for seropositive status were not analysed.

    Measured: Up to Month 84

  41. Number of Subjects With Cytological Abnormalities Associated With Oncogenic HPV Types Individually or in Combinations

    Oncogenic HPV types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68. Detection was done in subjects who were HPV DNA negative for the corresponding HPV type at baseline (at month 0 and Month 6) regardless of initial serostatus. HRW-HPV= All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HPV-HR= High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68

    Measured: Up to Month 48

  42. Number of Subjects With Histopathologically Confirmed Reduction of Local Cervical Therapy

    Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 84

  43. Number of Subjects With First Colposcopy

    Detection was done on all subjects irrespective of their baseline HPV DNA status.

    Measured: Up to Month 84

  44. Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18 and/or With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. CIN1+ was defined as CIN grades 1, 2 and 3, adenocarcinoma in situ (AIS) and invasive cervical cancer. Detection was done on all subjects irrespective of their baseline HPV DNA and serostatus.

    Measured: Up to Month 84

  45. Number of Subjects With Persistent Infection (6-month Definition) With HPV-16 or HPV-18 and/or With Histopathologically-confirmed CIN1+ Associated With HPV-16 and/or -18 Cervical Infection Detected Using the HPV Type Assignment Algorithm (TAA).

    Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type(s) by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval. Detection was done on all subjects irrespective of their baseline HPV DNA and serostatus. The lesion was assigned to an HPV type found in the lesion if (1) the same HPV type was found in at least 1 of the 2 (closest) preceding cytology samples, or (2) none of the HPV types found in the lesion were found in any of the 2 preceding cytology samples (isolate HPV types)

    Measured: Up to Month 84

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 Feb 2006 (estimated)
  2. Study start16 Feb 2006
  3. Primary completion29 Jan 2014
  4. Study completion29 Jan 2014

Resources

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
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
5,752 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00294047
Sponsor's protocol ID
104820
Other IDs
2005-002546-20, 2005
Status last verified
Dec 2019
First submitted
17 Feb 2006
Last updated
2 Jan 2020
Individual data sharing
Yes: IPD is available via the Clinical Study Data Request site (click on the link provided below)

Publications

  • Descamps D, Hardt K, Spiessens B, Izurieta P, Verstraeten T, Breuer T, Dubin G. Safety of human papillomavirus (HPV)-16/18 AS04-adjuvanted vaccine for cervical cancer prevention: a pooled analysis of 11 clinical trials. Hum Vaccin. 2009 May;5(5):332-40. doi: 10.4161/hv.5.5.7211. Epub 2009 May 20.

    PubMed 19221517
  • Skinner SR, Szarewski A, Romanowski B, Garland SM, Lazcano-Ponce E, Salmeron J, Del Rosario-Raymundo MR, Verheijen RH, Quek SC, da Silva DP, Kitchener H, Fong KL, Bouchard C, Money DM, Ilancheran A, Cruickshank ME, Levin MJ, Chatterjee A, Stapleton JT, Martens M, Quint W, David MP, Meric D, Hardt K, Descamps D, Geeraerts B, Struyf F, Dubin G; VIVIANE Study Group. Efficacy, safety, and immunogenicity of the human papillomavirus 16/18 AS04-adjuvanted vaccine in women older than 25 years: 4-year interim follow-up of the phase 3, double-blind, randomised controlled VIVIANE study. Lancet. 2014 Dec 20;384(9961):2213-27. doi: 10.1016/S0140-6736(14)60920-X. Epub 2014 Sep 1.

    PubMed 25189358
  • Verstraeten T, Descamps D, David MP, Zahaf T, Hardt K, Izurieta P, Dubin G, Breuer T. Analysis of adverse events of potential autoimmune aetiology in a large integrated safety database of AS04 adjuvanted vaccines. Vaccine. 2008 Dec 2;26(51):6630-8. doi: 10.1016/j.vaccine.2008.09.049.

    PubMed 18845199
  • Wheeler CM, Skinner SR, Del Rosario-Raymundo MR, Garland SM, Chatterjee A, Lazcano-Ponce E, Salmeron J, McNeil S, Stapleton JT, Bouchard C, Martens MG, Money DM, Quek SC, Romanowski B, Vallejos CS, Ter Harmsel B, Prilepskaya V, Fong KL, Kitchener H, Minkina G, Lim YKT, Stoney T, Chakhtoura N, Cruickshank ME, Savicheva A, da Silva DP, Ferguson M, Molijn AC, Quint WGV, Hardt K, Descamps D, Suryakiran PV, Karkada N, Geeraerts B, Dubin G, Struyf F; VIVIANE Study Group. Efficacy, safety, and immunogenicity of the human papillomavirus 16/18 AS04-adjuvanted vaccine in women older than 25 years: 7-year follow-up of the phase 3, double-blind, randomised controlled VIVIANE study. Lancet Infect Dis. 2016 Oct;16(10):1154-1168. doi: 10.1016/S1473-3099(16)30120-7. Epub 2016 Jun 28.

    PubMed 27373900
  • Wheeler CM, Struyf F; HPV-015 study group. The safety of Cervarix? - Authors' reply. Lancet Infect Dis. 2017 Jan;17(1):20-21. doi: 10.1016/S1473-3099(16)30540-0. No abstract available.

    PubMed 27998562
  • Bergman H, Henschke N, Arevalo-Rodriguez I, Buckley BS, Crosbie EJ, Davies JC, Dwan K, Golder SP, Loke YK, Probyn K, Petkovic J, Villanueva G, Morrison J. Human papillomavirus (HPV) vaccination for the prevention of cervical cancer and other HPV-related diseases: a network meta-analysis. Cochrane Database Syst Rev. 2025 Nov 24;11(11):CD015364. doi: 10.1002/14651858.CD015364.pub2.

    PubMed 41276263
  • Chen J, Gopala K, Akarsh PK, Struyf F, Rosillon D. Prevalence and Incidence of Human Papillomavirus (HPV) Infection Before and After Pregnancy: Pooled Analysis of the Control Arms of Efficacy Trials of HPV-16/18 AS04-Adjuvanted Vaccine. Open Forum Infect Dis. 2019 Dec 4;6(12):ofz486. doi: 10.1093/ofid/ofz486. eCollection 2019 Dec.

    PubMed 31824976
  • Rosillon D, Baril L, Del Rosario-Raymundo MR, Wheeler CM, Skinner SR, Garland SM, Salmeron J, Lazcano-Ponce E, Vallejos CS, Stoney T, Ter Harmsel B, Lim TYK, Quek SC, Minkina G, McNeil SA, Bouchard C, Fong KL, Money D, Ilancheran A, Savicheva A, Cruickshank M, Chatterjee A, Fiander A, Martens M, Bozonnat MC, Struyf F, Dubin G, Castellsague X. Risk of newly detected infections and cervical abnormalities in adult women seropositive or seronegative for naturally acquired HPV-16/18 antibodies. Cancer Med. 2019 Aug;8(10):4938-4953. doi: 10.1002/cam4.1879. Epub 2019 Jul 5.

    PubMed 31273942
  • Skinner SR, Wheeler CM, Romanowski B, Castellsague X, Lazcano-Ponce E, Del Rosario-Raymundo MR, Vallejos C, Minkina G, Pereira Da Silva D, McNeil S, Prilepskaya V, Gogotadze I, Money D, Garland SM, Romanenko V, Harper DM, Levin MJ, Chatterjee A, Geeraerts B, Struyf F, Dubin G, Bozonnat MC, Rosillon D, Baril L; VIVIANE Study Group. Progression of HPV infection to detectable cervical lesions or clearance in adult women: Analysis of the control arm of the VIVIANE study. Int J Cancer. 2016 May 15;138(10):2428-38. doi: 10.1002/ijc.29971.

    PubMed 26685704

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Cervarix in people with Infections, Papillomavirus and Papillomavirus Vaccines, run by GlaxoSmithKline at 75 sites in 12 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 7 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 2 Jan 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 75 sites in United States, Canada, Russia, United Kingdom, Portugal and 7 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. Some participants in this study may receive a placebo. 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 27 Mar 2012). 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?

Number of Subjects With Persistent Infection (6-month Definition) With Human Papillomavirus (HPV)-16 or HPV-18 and/or With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 and/or -18 Cervical Infection. (time frame: Up to Month 48). The study lists 4 primary outcomes in all. 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 NCT00294047, which also lists 9 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 2 Jan 2020.

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