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Complicated Intra-abdominal InfectionPhase 2NCT01265784

Study to Compare TP-434 and Ertapenem in Community-acquired Complicated Intra-abdominal Infections

A Phase 2 study testing TP-434 and Ertapenem in people with Complicated Intra-abdominal Infection, run by Tetraphase Pharmaceuticals, Inc at 38 sites in 6 countries.

Completed

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

Official record
Search all trials

Trial summary

This is a Phase 2, randomized, double-blind, double-dummy, multicenter, prospective study to assess the efficacy, safety, and pharmacokinetics of two dose regimens of TP-434 compared with ertapenem in the treatment of adult community-acquired complicated intra-abdominal infections (cIAIs). Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Complicated Intra-abdominal Infection
What is being tested?
TP-434 and Ertapenem
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
143 participants
Where
38 sitesin 6 countries
Study dates
Jan 2011to May 2012
Phase
Phase 2
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 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Abdominal pain/discomfort with onset prior to hospitalization
  • Evidence of a systemic inflammatory response
  • Physical findings consistent with intra-abdominal infection (IAI)
  • Clinical diagnosis of community-acquired IAI requiring urgent surgical or percutaneous intervention and not expected to require antibacterial therapy for longer than 14 days
  • Body mass index (BMI) of ≤ 30 kilograms per square meter (kg/m^2)
  • Able to provide informed consent. If the participant is unable to provide informed consent, the participant's legally acceptable representative may provide written consent in accordance with institutional guidelines
  • If female, not pregnant or nursing or, if of child-bearing potential either: will commit to use at least two medically accepted, effective methods of birth control (for example, condom, oral contraceptive, indwelling intrauterine device, hormonal implant/patch, injections, approved cervical ring) during study drug dosing and for 90 days following last study drug dose or practicing sexual abstinence

Who cannot join

  • Symptoms related to diagnosis of complicated appendicitis (if current diagnosis) for < 24 hours prior to current hospitalization
  • Previously hospitalized or admitted to a healthcare facility within the last 6 months
  • Managed by Staged Abdominal Repair or other open abdomen technique
  • Known at study entry to have an IAI caused by a pathogen(s) resistant to both study drug antibiotics
  • Acute Physiology and Chronic Health Evaluation (APACHE) II score > 25
  • Unlikely to survive the 6-8 week study period
Show all 24Show fewer
  • Any rapidly-progressing disease or immediately life-threatening illness, including acute hepatic failure, respiratory failure and septic shock
  • Requirement for vasopressors at therapeutic dosages
  • Renal failure
  • Presence or possible signs of hepatic disease
  • Hematocrit < 25% or hemoglobin < 8 grams per deciliter (g/dL)
  • Neutropenia with absolute neutrophil count < 1000 cells per cubic millimeter (mm^3)
  • Platelet count < 50,000/mm3
  • Abnormal coagulation tests or participant on anticoagulants
  • Immunocompromised condition, including known human immunodeficiency virus (HIV) positivity or acquired immune deficiency syndrome (AIDS), organ (bone marrow) transplant recipients, and hematological malignancy. Immunosuppressive therapy, including use of high-dose corticosteroids (for example, > 40 milligrams [mg] prednisone or equivalent per day for greater than 2 weeks)
  • History of hypersensitivity reactions to tetracyclines or carbapenems
  • Participation in any investigational drug or device study within 30 days prior to study entry
  • Known or suspected central nervous system (CNS) disorder that may predispose to seizures or lower seizure threshold
  • Previously received TP-434 in a clinical trial
  • More than 24 hours duration of systemic antibiotic coverage for current condition
  • Received ertapenem or any other carbapenem, or tigecycline for the current infection
  • Need for concomitant systemic antimicrobial agents other than study drug or received systemic (IV or oral) antibiotics in the last 3 months
  • Refusal of mechanical ventilation, dialysis or hemofiltration, cardioversion or any other resuscitative measures and drug/fluid therapy at time of consent
  • Known or suspected inflammatory bowel disease or associated visceral abscess

Trial locations and contacts

38 sites in 6 countries.

38 sites in 6 countries

India9 sites
  • HCG-Medisurge Hospitals Pvt. Ltd.

    Ahmedabad, 380006

  • Santosh Hospital

    Bangalore, 560005

  • K.R. Hospital

    Bangalore, 560050

  • M.S. Ramalah Medical College and Hospitals

    Bangalore, 560054

  • Bangalore Medical College and Research Institute, Victoria Hospital

    Fort Mumbai, Bangalore, 560002

  • Sai Vani Hospitals, Ltd.

    Hyderabad, 500029

  • S.R. Kalla Memorial Gastro & General Hospital

    Jaipur, Rajasthan

  • Amrita Institute of Medical Sciences and Research Centre

    Kochi, Kerala, 682041

  • Sahyadri Munot Hospital

    Pune, Maharashtra, 411042

Other trials in India

Bulgaria8 sites
  • MHAT "Yulia Vrevska - Byala" EOOD, Byala

    Byala, 7100

  • UMHAT "Dr. Georgi Stranski" EAD, Pleven

    Pleven, 5800

  • UMHAT "Sveti Georgi" EAD, Plovdiv

    Plovdiv, 4000

  • MHAT "Russe" AD, Russe

    Rousse, 7002

  • MHAT "Tokuda Hospital Sofia" AD, Sofia

    Sofia, 1407

  • UMHAT "Tzaritza Yoanna" EAD, Sofia

    Sofia, 1527

  • UMHATEM "N.I. Pirogov" EAD, Sofia

    Sofia, 1606

  • UMHATEM "N.I.Pirogov" EAD, Sofia

    Sofia, 1606

Other trials in Bulgaria

Lithuania6 sites
  • Kaunas Hospital

    Kaunas, LT-45130

  • Kaunas Clinical Hospital

    Kaunas, LT-47144

  • Hospital of Lithuanian University of Health Sciences Kaunas Clinics

    Kaunas, LT-50009

  • Klaipeda University Hospital

    Klaipėda, LT-92288

  • Vilnius University Hospital Santariskiu Clinics

    Vilnius, LT-08661

  • Vilnius City Clinical Hospital

    Vilnius, LT-10207

Other trials in Lithuania

Romania6 sites
  • "Dr. Carol Davila" Clinical Nephrology Hospital General Surgery Clinic

    Bucharest, 010701

  • Emergency Clinical Hospital Bucharest

    Bucharest, 014461

  • Coltea Clinical Hospital

    Bucharest, 030171

  • :Sfantul loan" Clinical Emergency Hospital

    Bucharest, 042122

  • University Emergency Hospital Bucharest

    Bucharest, 050098

  • Emergency Clinical City Hospital

    Timișoara, Timiș County, 300079

Other trials in Romania

United States5 sites
  • Mercury Street Medical Group

    Butte, Montana, 59701

  • Denver Health Medical Center

    Denver, Colorado, 80204

  • Henry Ford Hospital

    Detroit, Michigan, 48202

  • Long Beach VA Medical Center

    Long Beach, California, 90822

  • Barnes Jewish Hospital

    St Louis, Missouri, 63110

Other trials in United States

Latvia4 sites
  • Daugavpils Regional Hospital

    Daugavpils, LV-5417

  • Jekabpils Regional Hospital

    Jēkabpils, LV 5201

  • Rezeknes Hospital

    Rēzekne, LV-4601

  • Vidzeme Hospital

    Valmiera, LV-4201

Other trials in Latvia

About this study

Official title: A Phase 2, Randomized, Double-Blind, Double-Dummy, Multicenter, Prospective Study to Assess the Efficacy, Safety, and PK of 2 Dose Regimens of TP-434 Compared With Ertapenem in Adult Community-Acquired Complicated Intra-abdominal Infections

This is a Phase 2, randomized, double-blind, double-dummy, multicenter, prospective study to assess the efficacy, safety, and pharmacokinetics of two dose regimens of TP-434 compared with ertapenem in the treatment of adult community-acquired complicated intra-abdominal infections (cIAIs).

Being tested
TP-434, Ertapenem, Placebo

What participants receive

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

  • TP-434Drug

    Also called Eravacycline

  • ErtapenemDrug

    Also called Invanz

  • PlaceboDrug

    Administered IV to maintain the blind.

Study groups in NCT01265784
Study groupRoleWhat they receive
TP-434, 1.5 mg/kg q24hExperimentalTP-434 was administered intravenously (IV) at a dose of 1.5 milligrams per kilogram of body weight (mg/kg) every 24 hours (q24h) for a minimum of 4 days and a maximum of 14 days (7 days for participants in India). TP-434 treatment was to be stopped when symptoms of complicated intra-abdominal infection (cIAI) resolved, there was treatment failure, or the maximum allowed number of infusion days was reached.
Receives: Drug: TP-434; Drug: Placebo
TP-434, 1.0 mg/kg q12hExperimentalTP-434 was administered IV at a dose of 1.0 mg/kg every 12 hours (q12h) for a minimum of 4 days and a maximum of 14 days (7 days for participants in India). TP-434 treatment was to be stopped when symptoms of cIAI resolved, there was treatment failure, or the maximum allowed number of infusion days was reached.
Receives: Drug: TP-434; Drug: Placebo
Ertapenem, 1 g q24hActive comparatorErtapenem was administered IV at a dose of 1 gram (g) q24h for a minimum of 4 days and a maximum of 14 days (7 days for participants in India). Ertapenem treatment was to be stopped when symptoms of cIAI resolved, there was treatment failure, or the maximum allowed number of infusion days was reached.
Receives: Drug: Ertapenem; Drug: Placebo

What is being measured

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

  1. Clinical Response to TP-434 and Ertapenem in the Microbiologically Evaluable (ME) Population at the Test-of-Cure Visit

    Clinical response was classified as cure (complete resolution or significant improvement of signs and symptoms of the index infection), failure (death related to complicated intra-abdominal infection [cIAI], persisting or recurrent infection within the abdomen, postsurgical wound infection, or administration of effective concomitant antibacterial therapy), or indeterminate (Test-of-Cure [TOC] assessment was not available, death unrelated to cIAI, or some other reason).

    Measured: TOC Visit (10-14 days after last dose of study drug)

Secondary outcomes (20)
  1. Clinical Response to TP-434 and Ertapenem in the Modified Intent-to-treat (MITT) Population at the End-of-Treatment (EOT) Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  2. Clinical Response to TP-434 and Ertapenem in the Modified Intent-to-treat (MITT) Population at TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  3. Clinical Response to TP-434 and Ertapenem in the Modified Intent-to-treat (MITT) Population at the Follow-up Visit

    Measured: Follow-up Visit (28-42 days after last dose of study drug)

  4. Clinical Response to TP-434 and Ertapenem in the Clinically Modified Intent-to-treat (c-MITT) Population at the EOT Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  5. Clinical Response to TP-434 and Ertapenem in the Clinically Modified Intent-to-treat (c-MITT) Population at the TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  6. Clinical Response to TP-434 and Ertapenem in the Clinically Modified Intent-to-treat (c-MITT) Population at the Follow-up Visit

    Measured: Follow-up Visit (28-42 days after last dose of study drug)

  7. Clinical Response to TP-434 and Ertapenem in the Microbiologically Modified Intent-to-treat (m-MITT) Population at the EOT Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  8. Clinical Response to TP-434 and Ertapenem in the Microbiologically Modified Intent-to-treat (m-MITT) Population at the TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  9. Clinical Response to TP-434 and Ertapenem in the Microbiologically Modified Intent-to-treat (m-MITT) Population at the Follow-up Visit

    Measured: Follow-Up Visit (28-42 days after last dose of study drug)

  10. Clinical Response to TP-434 and Ertapenem in the Clinically Evaluable (CE) Population at the EOT Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  11. Clinical Response to TP-434 and Ertapenem in the Clinically Evaluable (CE) Population at the TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  12. Clinical Response to TP-434 and Ertapenem in the Clinically Evaluable (CE) Population at the Follow-up Visit

    Measured: Follow-up Visit (28-42 days after last dose of study drug)

  13. Clinical Response to TP-434 and Ertapenem in the Microbiologically Evaluable (ME) Population at the EOT Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  14. Clinical Response to TP-434 and Ertapenem in the Microbiologically Evaluable (ME) Population at the Follow-up Visit

    Measured: Follow-up Visit (28-42 days after last dose of study drug)

  15. Microbiologic Response to TP-434 and Ertapenem in the m-MITT Population at the EOT Visit

    Microbiological response was classified as favorable (eradication or presumed eradication), unfavorable (persistence, presumed persistence, superinfection, or new infection), or indeterminate (assessment not possible).

    Measured: EOT Visit (4-14 days after first dose of study drug)

  16. Microbiologic Response to TP-434 and Ertapenem in the m-MITT Population at the TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  17. Microbiologic Response to TP-434 and Ertapenem in the ME Population at the EOT Visit

    Measured: EOT Visit (4-14 days after first dose of study drug)

  18. Microbiologic Response to TP-434 and Ertapenem in the ME Population at the TOC Visit

    Measured: TOC Visit (10-14 days after last dose of study drug)

  19. Pharmacokinetics: Maximum Concentration (Cmax) of TP-434

    Measured: Prior to first infusion and 1, 3, 7, 12, 48, and 108 hours after start of first infusion

  20. Pharmacokinetics: Area Under the Concentration Time Curve From Time 0 to 12 Hours (AUC[0-12]) of TP-434

    Measured: Prior to first infusion and 1, 3, 7, 12, 48, and 108 hours after start of first infusion

Timeline

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

  1. First posted23 Dec 2010 (estimated)
  2. Study startJan 2011
  3. Primary completionMay 2012
  4. Study completionMay 2012

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
143 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01265784
Sponsor's protocol ID
TP-434-P2-cIAI-1
Status last verified
Dec 2021
First submitted
21 Dec 2010
Last updated
6 Jan 2022
Data monitoring committee
Yes

Publications

  • Solomkin JS, Ramesh MK, Cesnauskas G, Novikovs N, Stefanova P, Sutcliffe JA, Walpole SM, Horn PT. Phase 2, randomized, double-blind study of the efficacy and safety of two dose regimens of eravacycline versus ertapenem for adult community-acquired complicated intra-abdominal infections. Antimicrob Agents Chemother. 2014;58(4):1847-54. doi: 10.1128/AAC.01614-13. Epub 2013 Dec 16.

    PubMed 24342651

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing TP-434 and Ertapenem in people with Complicated Intra-abdominal Infection, run by Tetraphase Pharmaceuticals, Inc at 38 sites in 6 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 24 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 6 Jan 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 38 sites in India, Bulgaria, Lithuania, Romania, United States and 1 more country. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 4 Sep 2015). 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?

Clinical Response to TP-434 and Ertapenem in the Microbiologically Evaluable (ME) Population at the Test-of-Cure Visit (time frame: TOC Visit (10-14 days after last dose of study drug)). 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 NCT01265784, which also lists 1 linked publication.

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 6 Jan 2022.

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