A Phase 2 Randomized, Open-label Trial to Evaluate the Early Bactericidal Activity, Safety, Tolerability, and Dose-Response of Oral Alpibectir in Combination with Ethionamide, and with Ethionamide, Rifampicin, Pyrazinamide, and Ethambutol in Adults with Newly Diagnosed, Drug-Susceptible Pulmonary Tuberculosis

Publication date: Dec 17, 2024

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.

Concepts Keywords
A45e125 Adults
Childbearing Alpibectir
Mycobacteriology Drug- Susceptible
Pilot Ethambutol
Ethionamide
Newly Diagnosed
Pulmonary Tuberculosis
Pyrazinamide
Rifampicin

Semantics

Type Source Name
disease IDO bactericidal
drug DRUGBANK Ethionamide
drug DRUGBANK Rifampicin
drug DRUGBANK Pyrazinamide
drug DRUGBANK Ethambutol
disease MESH Pulmonary Tuberculosis
drug DRUGBANK Etoperidone
drug DRUGBANK Isoniazid
disease IDO intervention
disease IDO history
disease MESH epilepsy
disease MESH seizures
disease MESH Cirrhosis
disease MESH ascites
disease MESH encephalopathy
disease MESH gastric varices
disease MESH jaundice
disease MESH Gilbert’s syndrome
disease MESH allergy
drug DRUGBANK Ethanol
disease MESH drug abuse
drug DRUGBANK Emtricitabine
drug DRUGBANK Lamivudine
drug DRUGBANK Tenofovir
drug DRUGBANK Dolutegravir
disease MESH drug interaction
drug DRUGBANK Efavirenz
drug DRUGBANK Nevirapine
drug DRUGBANK Cycloserine
drug DRUGBANK Bedaquiline
drug DRUGBANK Aminosalicylic Acid
drug DRUGBANK Amithiozone
drug DRUGBANK Hepatitis B Vaccine (Recombinant)
disease MESH hepatitis C
pathway KEGG Hepatitis C
drug DRUGBANK Creatinine
disease MESH Tuberculosis
pathway KEGG Tuberculosis

Original Article

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