TB vaccine booster shows promise in speeding up recovery
NCT ID NCT04919239
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested a therapeutic vaccine called RUTI in 140 people with tuberculosis (TB), including drug-resistant forms. Participants received either one dose of RUTI or a placebo alongside their standard TB medications. The goal was to see if the vaccine could help clear the TB bacteria from the lungs faster. Results are not yet available, but if successful, RUTI could become a tool to shorten TB treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- RUTI vaccine (therapeutic vaccination)
- What this could lead to
- If it works, this could shorten tuberculosis treatment and help patients clear the bacteria faster, especially those with drug-resistant TB.
- What could go wrong
- This is a mid-stage trial with only 140 participants. The vaccine is an add-on to standard drugs, so its benefit may be small or not seen at all. Side effects from the vaccine are possible.
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
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
140 people
The number who actually took part.
- Started
-
Sep 2021
- Finished
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Jun 2025
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- 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 Hide 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: 1. Diagnosed with pulmonary DS- or MDR-TB, and managed with standard-care TB drugs accordingly; 2. Attending a TB unit / hospital routinely diagnosed with pulmonary DS- or MDR-TB with clinical status ≥ 6 with Bandim TB score combined with chest radiography; and microbiological criteria (MGIT sputum culture), by using rapid genetic testing, gene Xpert; 3. Patients who have not received any anti-tubercular treatment in last 6 months 4. Females and males aged ≥ 18; * females of non-childbearing potential: at least 2 years post- menopausal or surgically sterile (e.g. tubal ligation); * females of childbearing potential (including females less than 2 years postmenopausal) must have a negative pregnancy test at enrolment and must agree to use highly effective methods of birth control (i.e. diaphragm plus spermicide or male condom plus spermicide, oral contraceptive in combination with a second method, contraceptive implant, injectable contraceptive, indwelling intrauterine device, sexual abstinence, or a vasectomized partner) while participating in the study; * males must agree to use a double barrier method of contraception (condom plus spermicide or diaphragm plus spermicide) while participating in the study; or the male patient or his female partner must be surgically sterile (e.g. vasectomy, tubal ligation) or the female partner must be post-menopausal; 5. The patient must provide written informed consent; 6. The patient must be willing and able to attend all study visits and comply with all study procedures. Inclusion criteria for vaccination 1\. Having successfully completed 1 week or 1 month (depending on the cohort) of DS or MDR-TB treatment, respectively, fully supervised; and with beneficial initial response to therapy, evidenced by clinical response. Exclusion Criteria: 1. Inability to provide written informed consent; 2. Women reported, or detected, or willing to be pregnant during the trial period; 3. Severity of illness precluding full evaluation: expected early death, evidenced by respiratory failure, low blood pressure, WHO performance score 3-4 4. Patients with extra-pulmonary tuberculosis 5. Major co-morbid conditions precluding full evaluation, i.e., HIV positive, chronic renal failure, chronic liver failure, Malignancy, patients taking any immunosuppressant drug, active lung cancer, acute coronary syndrome, heart failure exceeding NYHA class 2; 6. Presence of secondary immunodeficiency states: Organ transplantation, diabetes mellitus 7. Any of the following laboratory parameters: * Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) \> 3 x upper limit of normal (ULN) * Total bilirubin \> 2 x ULN * Neutrophil count ≤ 500 neutrophils / mm3 * Platelet count \< 50,000 cells / mm3 8. Cytotoxic chemotherapy or radiation therapy within the previous 3 months; 9. Blood transfusion in the last three weeks prior to the trial; 10.Patients with history of alcohol or drug abuse 11\. Documented allergy to TB vaccines, notably, to the RUTI® vaccine
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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.
Contacts and locations
Locations
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Agartala Government Medical College (AGMC)
Tripura, 799006, India
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All India Institute of Medical Sciences (AIIMS)
New Delhi, 11002, India
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Experimental tracer maps lung scarring in TB
- Can a 4-Month drug cocktail cure TB as well as 6 months?
- Can a 4-Drug combo cut TB treatment time in half?
- Can new drug cocktails shorten TB treatment?
- Can higher doses of TB drugs cut treatment time?
- New rapid test could free TB patients from isolation sooner