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COMPLETED
NCT04044001
PHASE1/PHASE2

BTZ-043 - Multiple Ascending Dose (MAD) to Evaluate Safety, Tolerability and Early Bactericidal Activity (EBA)

Sponsor: Michael Hoelscher

View on ClinicalTrials.gov

Summary

This is a prospective, open label, two-centre, randomized, controlled, two-stage, phase Ib/IIa study to evaluate the safety, tolerability, PK, drug-drug interaction and bactericidal activity of BTZ-043 administered orally once daily over 14 days to participants with newly diagnosed, uncomplicated, smear-positive, drug-susceptible pulmonary tuberculosis. The primary objective is to assess the safety and tolerability of BTZ-043 given over 14 days by evaluation of adverse events during treatment and follow-up period in patients with newly diagnosed, uncomplicated, smear-positive, drug-susceptible pulmonary tuberculosis.

Official title: A Prospective Phase Ib/IIa, Active-controlled, Randomized, Open-label Study to Evaluate the Safety, Tolerability, Extended Early Bactericidal Activity and Pharmacokinetics of Multiple Oral Doses of BTZ-043 Tablets in Subjects With Newly Diagnosed, Uncomplicated, Smear-positive, Drug-susceptible Pulmonary Tuberculosis

Key Details

Gender

All

Age Range

18 Years - 64 Years

Study Type

INTERVENTIONAL

Enrollment

78

Start Date

2019-11-15

Completion Date

2022-05-31

Last Updated

2026-08-31

Healthy Volunteers

No

Interventions

DRUG

BTZ-043

BTZ-043 (250mg per tablet)

DRUG

Rifafour e-275®

Rifafour e-275® (150mg rifampicin, 75mg isoniazid, 400mg pyrazinamide, 275 mg ethambutol per tablet)

DRUG

Probe Drug Cocktail

A probe drug cocktail will be given to randomly selected patients after inclusion on Day 1 and on Day 14 once orally. The probe drug cocktail consists of * Caffeine: 1 tablet à 150mg * Tolbutamide: 1/4 tablet à 500mg * Dextromethorphan: 10 ml syrup à 15mg/5ml * Midazolam:2 ml solution à 5mg/5ml * Digoxin: 2 tablets à 0.25mg

DRUG

Dolutegravir 50mg Tab

1 tablet à 50mg Dolutegravir will be given to randomly selected patients after inclusion on Day 1 and on Day 14 once orally.

Locations (2)

TASK Applied Sciences Clinical Research Centre

Cape Town, South Africa

University of Cape Town Lung Institute (UCTLI)

Cape Town, South Africa