A Study of the Early Effects, Safety, and Acceptability of Oral Alpibectir in Combination With Et… (NCT06748937) | Clinical Trial Compass
RecruitingPhase 2
A Study of the Early Effects, Safety, and Acceptability of Oral Alpibectir in Combination With Ethionamide
South Africa60 participantsStarted 2025-03-03
Plain-language summary
A multi-centre, randomized, open-label clinical trial. All treatments will be administered orally (PO) on days 1-14.
15 participants will be recruited into each treatment arm in two sequential cohorts. Each cohort will have participants enrolled onto the experimental regimen(s) or the standard of care (SOC; HRZE) control arm.
• Cohort 1 aims to generate safety data for a higher dose of alpibectir plus ethionamide 125 mg and 250 mg (arm 1: A45E125 and arm2: A45E250).
Once 5 participants have enrolled into arms 1 and 2 each, and completed 14 days of treatment, an interim safety review will be conducted to determine whether the study can advance to cohort 2.
• Cohort 2 will investigate safety of alpibectir and ethionamide (A45E250) in combination with rifampicin, pyrazinamide and ethambutol (A45E250RZE).
Participants on HRZE will serve as control for the EBA quantitative mycobacteriology in each cohort, and additionally as a safety benchmark for the A45E250RZE arm. The study is not statistically powered to make between arm comparisons of activity or safety. The treatment will not be blinded but the mycobacteriology laboratory staff performing the endpoint assays will remain blinded until analysis of the EBA results.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Provide written, informed consent prior to all trial-related procedures and willing to adhere to all required study procedures and restrictions for the duration of the trial.
. Male or female, aged between 18 and 65 years, inclusive.
. Body weight (in light clothing and with no shoes) between 40 and 90 kg, inclusive.
. Newly diagnosed and untreated for this episode of pulmonary TB.
. Rifampicin- and isoniazid susceptible pulmonary TB as determined by molecular testing (GeneXpert XDR or Genotype MTBDRplus for INH).
. A chest X-ray taken during the screening period or up to 2 weeks before screening which, in the opinion of the investigator, is consistent with TB.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
. GeneXpert positive with a quantitative readout of medium or high.
. Ability to produce an adequate volume of sputum as estimated from an overnight sputum collection sample (estimated 10 ml or more).
Exclusion criteria
. Evidence of clinically significant conditions or findings, other than TB, that might compromise safety or the interpretation of trial endpoints, per discretion of the investigator.
. Poor general condition where any delay in treatment cannot be tolerated per discretion of the investigator.
. History of epilepsy, seizures or other neuropsychiatric disorders that might compromise safety or the interpretation of trial endpoints, per discretion of the investigator.
. Cirrhosis or current unstable liver or biliary disease per investigator assessment defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, oesophageal or gastric varices, persistent jaundice (with the exception of Gilbert's syndrome or asymptomatic gallstones).
. History of hypothyroidism
. QTcF of \>450 ms at baseline
. Clinically significant evidence of extra-thoracic TB, as judged by the investigator.
. History of allergy to any of the trial IMP as confirmed by the clinical judgement of the investigator.