The goal of this interventional clinical trial is to determine if treatment with 2-4 weeks of telacebac (T) will completely heal lesions in participants with Buruli ulcer (BU) by 52 weeks after treatment initiation, without relapse and/or surgery. Males and females age 18 and older will be included. • Participants will attend visits every 2 weeks during treatment and thereafter every 2 weeks until week 24 Thereafter they will be followed by visits at weeks 30, 40, and 52. From week 10 to week 52, if the lesion has healed, follow-up visits may be remote.
This is an open label single arm (telacebec), phase 2 multi-centre, clinical trial. Eligible participants with clinically diagnosed BU, confirmed by polymerase chain reaction (PCR) or culture presence of MU infection Participants who meet entry criteria and give consent will attend a baseline enrolment visit (Day 1), then visits every week for 2 weeks during treatment (weeks 2, and 4). Thereafter they will be followed up every 2 weeks until week 24, followed by visits at weeks 30, 40, and 52. BU lesion management will be provided to all trial participants. In case of participant early withdrawal from the trial during or after the treatment period, participants will be treated per the investigational site and/or country BU treatment guidelines. A Data Review Committee (DRC) will be established to review efficacy and safety data. Enrolment and enrolled participants will continue the study whilst the DRC reviews are ongoing.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
140
The test product will be supplied as Telacebec 100mg tablets.
Barwon Health
Geelong, Victoria, Australia
RECRUITINGRoyal Melbourne Hospital
Melbourne, Australia
RECRUITINGRate of complete lesion healing by 52 weeks from treatment initiation.
Ulcerated Lesions: Healing and re-epithelialisation of ulcerated area with stable scar formation. Non-ulcerated Lesions: resolution of induration of skin. Complete healing rate will be summarized as percentage with corresponding Clopper-Pearson 95% confidence interval.
Time frame: 52 weeks from treatment initiation
Median time to healing
Kaplan-Meier methods will be applied to estimate median time to healing.
Time frame: 52 weeks from treatment initiation
Recurrence rate within 52 weeks from treatment initiation
Complete lesion healing followed by a recurrent lesion at the same site or a new lesion appearing at a separate site, detected within 52 weeks of treatment initiation, that is culture positive and not judged to be due to a paradoxical response to telacebec treatment on clinical and/or histological findings.
Time frame: 52 weeks from treatment initiation
Treatment failure rate within 52 weeks from treatment initiation
Lack of complete healing within the 52 weeks observation period; Recurrence, Use of alternative buruli ulcer (BU) treatment, BU curative intent surgery
Time frame: 52 weeks from treatment initiation
Safety and Tolerability
Incidence of Treatment Emergent Adverse Events (TEAEs)
Time frame: Time of first dose to 28 days after last dose of telacebec.
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