Three Months of Weekly Rifapentine and Isoniazid for M. Tuberculosis Infection
PREVENT TB
TBTC Study 26: Effectiveness and Tolerability of Weekly Rifapentine/Isoniazid for 3 Months Versus Daily Isoniazid for 9 Months for the Treatment of Latent Tuberculosis Infection
2 other identifiers
interventional
8,053
4 countries
26
Brief Summary
Open-label, multi-center, Phase III clinical trial to compare the effectiveness and tolerability of a three-month (12-dose) regimen of weekly rifapentine and isoniazid (3RPT/INH) to the effectiveness of a nine-month (270-dose)regimen of daily isoniazid (9INH) to prevent tuberculosis (TB) among high-risk tuberculin skin-test reactors, including children and HIV-infected persons, who require treatment of latent TB infection (LTBI).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Jun 2001
Longer than P75 for phase_3
26 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2001
CompletedFirst Submitted
Initial submission to the registry
September 6, 2001
CompletedFirst Posted
Study publicly available on registry
September 10, 2001
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2010
CompletedResults Posted
Study results publicly available
September 27, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2013
CompletedAugust 27, 2024
July 1, 2024
9.3 years
September 6, 2001
August 15, 2012
July 31, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Cumulative Rate of Culture-Confirmed TB Disease in Participants ≥18 Years of Age AND Culture-Confirmed or Probable (Clinical) TB Disease in Participants Less Than [<]18 Years of Age at 33 Months After Enrollment
Cumulative TB disease rate defined as number of participants ≥18 years old with culture-confirmed TB disease (defined as positive culture for Mycobacterium tuberculosis \[MTB\]) and those \<18 years old with probable (clinical) TB disease (defined as objective evidence of clinical TB disease \[cough, fever, night sweats, weight loss, or hemoptysis\] based on history or physical exam plus radiograph, computed tomography \[CT\] scan, other diagnostic tests PLUS response to antituberculosis therapy AND objective improvement of radiograph or other diagnostic tests; OR evidence of granuloma with organism positive for acid-fast bacilli \[AFB\], or caseating granulomata at autopsy or biopsy) between enrollment and the 990th Day of the Trial (33 months after enrollment, or end of the trial) per 100 participants with (w/)33 months of follow-up calculated using survival analysis methods (Kaplan-Meier approach).
Baseline up to Month 33
Secondary Outcomes (14)
Cumulative Rate of Culture-Confirmed TB Disease in Participants ≥18 Years of Age AND Culture-Confirmed or Probable (Clinical) TB Disease in Participants <18 Years of Age at 24 Months Following Completion of Study Therapy
Baseline up to Month 27 (3RPT/INH) or Month 33 (9INH)
Cumulative Rate of Culture-Confirmed or Probable (Clinical) TB Disease (Regardless of Age) At 33 Months After Enrollment
Baseline up to 33 Months
Percentage of Participants With Drug Discontinuation Due to Adverse Drug Reactions Associated With 3RPT/INH or 9INH
Baseline up to 60 days after the last dose of study drug (Month 5 [3RPT/INH] or Month 11 [9INH])
Percentage of Patients With Grade 3 or 4 Drug Toxicities Associated With 3RPT/INH or 9INH
Baseline up to 60 days after the last dose of study drug (Month 5 [3RPT/INH] or Month 11 [9INH])
Percentage of Participants With Death Due to Any Cause
Baseline up to Month 35
- +9 more secondary outcomes
Study Arms (2)
Daily Isoniazid
ACTIVE COMPARATORIsoniazid (INH) daily for 9 months (240 to 270 total doses).
Weekly Isoniazid / Rifapentine
EXPERIMENTALIsoniazid / Rifapentine (RPT/INH) weekly for 3 months (11 to 12 total doses) given by Directly Observed Therapy (DOT)
Interventions
Rifapentine (RPT) 900 mg once-weekly x 12 doses (3 months) for persons \> 50.0 kg. For persons \< 50.0 kg, the following doses will be given (Weight/Dose): 10.0-14.0 kg / 300 mg; 14.1-25.0 kg / 450 mg; 25.1-32.0 kg / 600 mg; 32.1-50.0 kg / 750 mg. PLUS Isoniazid (INH) 15 mg/kg (rounded up to nearest 50 or 100 mg; 900 mg max) once weekly x 12 doses if \> 12 years old. INH 25 mg/kg (round up to nearest 50 or 100 mg; 900 mg max) if 2-11 years old. Therapy will be given by Directly Observed Therapy (DOT).
Isoniazid (INH) 5 mg/kg (rounded up to nearest 50 or 100 mg; 300 mg max) daily x 270 doses (9 months) For children age 2 - 11, INH 10-15 mg/kg (round up to nearest 50 or 100 mg; 300 mg max) will be given.
Eligibility Criteria
You may qualify if:
- Males or nonpregnant, non-nursing females \> 2 years old.
- Tuberculin (PPD) skin test reactors at high risk for developing TB but without evidence of active TB. High-risk reactors are defined as:
- Household and other close contacts of persons with culture-confirmed TB who are TST-positive as part of a contact investigation conducted within two years of the date of enrollment. Close contact is defined as \> 4 hours in a shared airspace during a one-week period. Among close contacts, a positive TST is defined as \> 5 mm induration after 5 TU of PPD placed intradermally using the Mantoux technique.
- TST converters--converting from a documented negative to positive TST within a two-year period. This is defined as persons with a tuberculin skin test of \> 10 mm within two years of a nonreactive test or persons with an increase of \> 10 mm within a two-year period.
- HIV-seropositive, TST positive (\> 5 mm induration) persons.
- Persons with \> 2 cm2 of pulmonary parenchymal fibrosis on chest X-ray, no prior history of TB treatment, \> 5 mm induration on TST, and 3 sputum cultures negative for M. tuberculosis on final report.
- HIV-seropositive close contacts of persons with culture-confirmed TB, regardless of TST status. In addition, HIV-seropositive close contacts of persons with culture-confirmed TB who have a documented history of completing an adequate course of treatment for active TB or latent TB infection, are also eligible.
- Willing to provide signed informed consent, or parental consent and participant assent.
You may not qualify if:
- Current confirmed culture-positive or clinical TB
- Suspected TB (as defined by the site investigator)
- Tuberculosis resistant to isoniazid or rifampin in the source case
- A history of treatment for \> 14 consecutive days with a rifamycin or \> 30 consecutive days with INH during the previous 2 years.
- A documented history of a completing an adequate course of treatment for active TB or latent TB infection in a person who is HIV-seronegative.
- History of sensitivity/intolerance to isoniazid or rifamycins
- Serum aminotransferase aspartate (AST, SGOT) \> 5x upper limit of normal among persons in whom AST is determined
- Pregnant or nursing females
- Persons currently receiving or planning to receive HIV-1 protease inhibitors or nonnucleoside reverse transcriptase inhibitors in the first 90 days after enrollment.
- Weight \< 10.0 kg
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (26)
Central Arkansas Veterans Health System
Little Rock, Arkansas, 72205, United States
LA County/USC Medical Center
Los Angeles, California, 90033, United States
UCSD Medical Center
San Diego, California, 92103, United States
University of California, San Francisco
San Francisco, California, 94110, United States
Denver Department of Public Health and Hospitals
Denver, Colorado, 80204, United States
Washington, D.C. VAMC
Washington D.C., District of Columbia, 20422, United States
Emory University, Department of Medicine
Atlanta, Georgia, 30303, United States
Chicago VA Medical Center (Lakeside)
Chicago, Illinois, 60611, United States
Hines VA Medical Center
Hines, Illinois, 60141, United States
Johns Hopkins University School of Medicine
Baltimore, Maryland, 21287-0003, United States
Boston Medical Center
Boston, Massachusetts, 02118, United States
New Jersey Medical School
Newark, New Jersey, 07107-3001, United States
Columbia University/Presbyterian Medical Center
New York, New York, 10032, United States
Harlem Hospital Center
New York, New York, 10037, United States
Carolinas Medical Center
Charlotte, North Carolina, 28203, United States
Duke University Medical Center
Durham, North Carolina, 34222, United States
Vanderbilt University Medical Center
Nashville, Tennessee, 37232, United States
University of North Texas Health Science Center
Fort Worth, Texas, 76107-2699, United States
Michael Debakey Veterans Affairs Medical Center
Houston, Texas, 77009, United States
Audi L. Murphy VA Hospital
San Antonio, Texas, 78284, United States
Seattle King County Health Department
Seattle, Washington, 98104, United States
Universidade Federal do Rio de Janeiro
Rio de Janeiro, cep: 21941.590, Brazil
University of British Columbia
Vancouver, British Columbia, Canada V5Z 4R4, Canada
University of Manitoba
Winnipeg, Manitoba, CANADA R3A 1R8, Canada
Montreal Chest Institute McGill University
Montreal, Quebec, H2X 2P4Pq Canada, Canada
Agencia de Salut Publica
Barcelona, 08023, Spain
Related Publications (9)
Sterling TR, Villarino ME, Borisov AS, Shang N, Gordin F, Bliven-Sizemore E, Hackman J, Hamilton CD, Menzies D, Kerrigan A, Weis SE, Weiner M, Wing D, Conde MB, Bozeman L, Horsburgh CR Jr, Chaisson RE; TB Trials Consortium PREVENT TB Study Team. Three months of rifapentine and isoniazid for latent tuberculosis infection. N Engl J Med. 2011 Dec 8;365(23):2155-66. doi: 10.1056/NEJMoa1104875.
PMID: 22150035RESULTMoro RN, Mehaffy C, De P, Phillips E, Borisov AS, Sterling TR, Dobos KM. Assessment for Antibodies to Rifapentine and Isoniazid in Persons Developing Flu-Like Reactions During Treatment of Latent Tuberculosis Infection. J Infect Dis. 2024 Nov 15;230(5):1271-1278. doi: 10.1093/infdis/jiae180.
PMID: 38640958DERIVEDHedges KNC, Borisov AS, Saukkonen JJ, Scott NA, Hecker EJ, Bozeman L, Dukes Hamilton C, Kerrigan A, Bessler P, Moreno-Martinez A, Arevalo B, Goldberg SV. Nonparticipation reasons in a randomized international trial of a new latent tuberculosis infection regimen. Clin Trials. 2020 Feb;17(1):39-51. doi: 10.1177/1740774519885380. Epub 2019 Nov 6.
PMID: 31690107DERIVEDMoro RN, Scott NA, Vernon A, Tepper NK, Goldberg SV, Schwartzman K, Leung CC, Schluger NW, Belknap RW, Chaisson RE, Narita M, Machado ES, Lopez M, Sanchez J, Villarino ME, Sterling TR. Exposure to Latent Tuberculosis Treatment during Pregnancy. The PREVENT TB and the iAdhere Trials. Ann Am Thorac Soc. 2018 May;15(5):570-580. doi: 10.1513/AnnalsATS.201704-326OC.
PMID: 29393655DERIVEDMoro RN, Sterling TR, Saukkonen J, Vernon A, Horsburgh CR, Chaisson RE, Hamilton CD, Villarino ME, Goldberg S. Factors associated with non-completion of follow-up: 33-month latent tuberculous infection treatment trial. Int J Tuberc Lung Dis. 2017 Mar 1;21(3):286-296. doi: 10.5588/ijtld.16.0469. Epub 2017 Jan 13.
PMID: 28087928DERIVEDSterling TR, Scott NA, Miro JM, Calvet G, La Rosa A, Infante R, Chen MP, Benator DA, Gordin F, Benson CA, Chaisson RE, Villarino ME; Tuberculosis Trials Consortium, the AIDS Clinical Trials Group for the PREVENT TB Trial (TBTC Study 26ACTG 5259) The investigators of the TB Trials Consortium and the AIDS Clinical Trials Group for the PREVENT TB Trial are listed in the Supplement, item 17. Three months of weekly rifapentine and isoniazid for treatment of Mycobacterium tuberculosis infection in HIV-coinfected persons. AIDS. 2016 Jun 19;30(10):1607-15. doi: 10.1097/QAD.0000000000001098.
PMID: 27243774DERIVEDMoro RN, Borisov AS, Saukkonen J, Khan A, Sterling TR, Villarino ME, Scott NA, Shang N, Kerrigan A, Goldberg SV. Factors Associated With Noncompletion of Latent Tuberculosis Infection Treatment: Experience From the PREVENT TB Trial in the United States and Canada. Clin Infect Dis. 2016 Jun 1;62(11):1390-1400. doi: 10.1093/cid/ciw126. Epub 2016 Mar 6.
PMID: 26951571DERIVEDSterling TR, Moro RN, Borisov AS, Phillips E, Shepherd G, Adkinson NF, Weis S, Ho C, Villarino ME; Tuberculosis Trials Consortium. Flu-like and Other Systemic Drug Reactions Among Persons Receiving Weekly Rifapentine Plus Isoniazid or Daily Isoniazid for Treatment of Latent Tuberculosis Infection in the PREVENT Tuberculosis Study. Clin Infect Dis. 2015 Aug 15;61(4):527-35. doi: 10.1093/cid/civ323. Epub 2015 Apr 22.
PMID: 25904367DERIVEDVillarino ME, Scott NA, Weis SE, Weiner M, Conde MB, Jones B, Nachman S, Oliveira R, Moro RN, Shang N, Goldberg SV, Sterling TR; International Maternal Pediatric and Adolescents AIDS Clinical Trials Group; Tuberculosis Trials Consortium. Treatment for preventing tuberculosis in children and adolescents: a randomized clinical trial of a 3-month, 12-dose regimen of a combination of rifapentine and isoniazid. JAMA Pediatr. 2015 Mar;169(3):247-55. doi: 10.1001/jamapediatrics.2014.3158.
PMID: 25580725DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Dr Elsa Villarino
- Organization
- CDC
Study Officials
- STUDY DIRECTOR
Elsa M Villarino, MD, MPH
Centers for Disease Control and Prevention
- STUDY CHAIR
Timothy Sterling, MD
Vanderbilt University Medical Center
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- FED
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 6, 2001
First Posted
September 10, 2001
Study Start
June 1, 2001
Primary Completion
October 1, 2010
Study Completion
September 1, 2013
Last Updated
August 27, 2024
Results First Posted
September 27, 2012
Record last verified: 2024-07