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4-Week TB pill could replace months of treatment for millions at risk

NCT ID NCT06568484

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 19, 2026 · Updated 2 times

Summary

This study tests whether a 4-week course of the drug bedaquiline can prevent tuberculosis (TB) as well as standard longer treatments. It involves 2,530 people living with HIV and close contacts of TB patients. The goal is to find a safer, easier-to-complete prevention option.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

About 2,530 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

INCLUSION CRITERIA For Index Patient • Any age * A diagnosis of bacteriologically proven pulmonary TB * Initiated on treatment for pulmonary TB within the past 90 days * Have at least one close contact that is likely to be eligible for the study For PLHIV Indication Individuals must meet all of the following inclusion criteria to participate in this study: * On a dolutegravir-based or other approved integrase inhibitor antiretroviral therapy (ART) regimen that does not interact with bedaquiline or rifapentine. * If on a protease inhibitor-based ART regimen, a participant can be enrolled following a 5-day washout with switch to a dolutegravir-based regimen prior to enrollment. A 14-day washout is required for efavirenz-based ART regimen with switch to a dolutegravir-based regimen prior to enrollment * If a participant is not currently on ART or is ART-naïve, the participant must have started a dolutegravir-based ART regimen prior to Enrollment. * PLHIV who meet criteria for a TBD close contact should be enrolled under the close contact indication For Close Contact Indication (DS- or RR-TB Index Patient) * Definition of Close Contact (either/or): o Lives or lived in the same dwelling unit or plot of land and shares or has shared the same housekeeping arrangements as the Index Patient for one or more nights ≤ 90 days prior to the Index Patient starting TB treatment o Has shared more than four hours of indoor airspace with the Index Patient during any one-week period ≤ 90 days prior to the Index Patient starting TB treatment. This may include indoor airspace within or outside the home. * Close contacts must be in one of the following high-risk groups: * All children 0 to \<5 years old at the time of Enrollment, regardless of LTBI or HIV status * Adults, adolescents, and children ≥5 years of age who are TBI test positive (either skin test positive\* or IGRA-positive) and whose HIV status is negative, indeterminate, or unknown. * Adults, adolescents, and children ≥5 years of age who have a documented HIV infection regardless of TBI test status. Universal Enrollment Inclusion Criteria for PLHIV and Close Contacts of DS- or RR-TB Index Patient A. Ability and willingness of participant (and/or parent/guardian) to provide informed consent (and assent, as applicable) B. Documentation of HIV Status For participants \>=18 months of age known to be PLHIV: * Certified copy of HIV clinic card or * Certified copy of HIV testing that includes date, assay used and result For participants \<18 months of age who have never tested, or previous HIV test result was indeterminate, unknown, or negative more than three months prior to screening and/or result is not available: • HIV-1 testing should be performed per Section 5.4.5 (HIV-1 Testing) during the study screen period. For participants \<18 months known to be CLHIV: • Certified copies of HIV DNA and/or RNA testing that includes date, assay used, and result For participants \<18 months who have never tested, or previous HIV test result was indeterminate, unknown, or negative more than three months prior to screening and/or result is not available: • HIV-1 testing should be performed per Section 5.4.5 (HIV-1 Testing) during the study screen period C. Documentation of ART * All PLHIV (for PLHIV indication and CC that are PLHIV) must be on a dolutegravir-based or other approved integrase inhibitor ART regimen that does not interact with bedaquiline or rifapentine. * If on a protease inhibitor-based ART regimen, a participant can be enrolled following a 5-day washout with switch to a dolutegravir-based regimen prior to enrollment. A 14-day washout is required for efavirenz-based ART regimen with switch to a dolutegravir-based regimen prior to enrollment. * If a participant is not currently on ART or is ART-naïve, they must have started a dolutegravir-based ART regimen prior to Enrollment. D. Chest radiograph without evidence of active TBD, performed within 30 days prior to Enrollment E. The following laboratory values obtained within 30 days prior to Enrollment. * Alanine aminotransferase (ALT) ≤ 3 times the upper limit of normal * Total bilirubin ≤ 2.5 times the upper limit of normal * Alkaline phosphatase ≤ 3 times the upper limit of normal * Creatinine clearance ≥ 29 ml/min * Serum potassium at or above the lower limit of normal * Serum magnesium at or above the lower limit of normal * Serum calcium at or above the lower limit of normal * Platelet count of ≥ 50,000 /mm3 * Absolute neutrophil count (ANC) ≥ 1,000/mm3 F. Pregnancy test (for study candidates of childbearing potential\*) • Negative serum or urine pregnancy test within 7 days prior to enrollment. \*NOTE: Participants of childbearing potential are defined as females who have reached menarche or who have not been post-menopausal for at least 24 consecutive months (i.e., who have had menses within the preceding 24 months) or have not undergone surgical sterilization (e.g., hysterectomy, bilateral oophorectomy, or bilateral tubal ligation). EXCLUSION CRITERIA Exclusion Criteria for Index Patient A. Unwilling or unable to provide informed consent B. No close contacts likely to be eligible for the study C. Study staff unable to obtain status of TB drug susceptibility or resistance D. Known bedaquiline resistance of M. tb isolate E. Known fluoroquinolone resistance of M. tb isolate (for Index Patients with RR-TB) Exclusion Criteria for PLHIV and Close Contacts of DS- or RR-TB Index Patient A. Unwilling or unable to provide informed consent B. Weight ≤ 3 kg C. A current diagnosis of confirmed or probable or possible pulmonary or extrapulmonary TB at time of enrollment or confirmed or unconfirmed TB for children. D. Previously completed treatment for TBD. E. Prior completion of TPT (including but not limited to 6 or 9H, 1HP, 3HP, 4R, 3HR, 6Lfx) \* \*NOTE: Completion of TBD treatment or TPT based on the opinion of the site investigator that a sufficient course of TPT was taken to constitute treatment completion F. Current enrollment into another therapeutic clinical trial (See Section 5.8). G. Any of the following medical conditions: * Severe renal impairment (DAIDS Grade 4) or end-stage renal disease requiring hemodialysis or peritoneal dialysis * Severe hepatic impairment (Child-Pugh C) * Evidence of acute hepatitis, such as abdominal pain, jaundice, dark urine, and/or light stools within 90 days prior to enrollment * Severe cardiac arrythmia requiring medication * Peripheral neuropathy ≥ Grade 2 (DAIDS) * Diagnosis of porphyria at any time prior to study enrollment * Corrected QTcF (Fridericia's formula) of \>460 msec * Unable to take oral medication * Active drug or alcohol use or dependence that, in the site investigator's opinion, would interfere with adherence to study treatment. * Serious illness requiring systemic treatment including parenteral therapy (e.g., antibiotics) and/or hospitalization within 30 days prior to Enrollment * Prior exposure to bedaquiline or clofazimine * Receipt of more than 7 cumulative days of isoniazid, a rifamycin, or a fluoroquinolone in the 90 days prior to enrollment * Known bedaquiline resistance in Index Patient * Known allergy/sensitivity or any hypersensitivity to components of study drugs or their formulation * Currently taking another medication that is prohibited with study medicines which cannot be stopped (with or without replacement) or requires a washout period longer than 14 days (See Appendix 7) * Known pregnancy or breastfeeding Specific Exclusion Criteria for Close Contacts of RR-TB Index Patient * Known fluoroquinolone resistance in Index Patient * Severe tendinopathy related to fluoroquinolones

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    8 sites in 4 countries. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • HNSEB (Hospital Nacional Sergio E. Bernales)

    NOT_YET_RECRUITING

    Lima, Peru

  • Joint Clinical Research Centre

    RECRUITING

    Kampala, Uganda

  • Kilimanjaro Clinical Research Institute

    RECRUITING

    Moshi, Tanzania

  • MU-JHU Care Ltd.

    RECRUITING

    Kampala, Uganda

  • Makerere Lung Institute

    RECRUITING

    Kampala, Uganda

  • National Center for Communicable Disease (NCCD)

    NOT_YET_RECRUITING

    Ulaanbaatar, Mongolia

    Contact Email: •••••@•••••

  • Nimr-Mmrc

    NOT_YET_RECRUITING

    Mbeya, Tanzania

  • SES Policlinico

    RECRUITING

    Lima, Peru

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