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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06481163
Registration number
NCT06481163
Ethics application status
Date submitted
21/06/2024
Date registered
1/07/2024
Titles & IDs
Public title
Telacebec (T) Treatment in Adults With Buruli Ulcer (BU).
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Scientific title
A Phase 2 Multicentre, Open-label Study to Evaluate the Efficacy, Safety and Tolerability, and Pharmacokinetics of 28 Days Telacebec Treatment in Adult Participants With Buruli Ulcer.
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Secondary ID [1]
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TBA-BU-01
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Universal Trial Number (UTN)
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Trial acronym
TREAT-BU
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Buruli Ulcer
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Condition category
Condition code
Infection
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Other infectious diseases
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Skin
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Other skin conditions
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Oral and Gastrointestinal
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Telacebec
Experimental: 300 mg Telacebec per day - Telacebec will be administered orally with food or within 30 minutes after food once daily for 28 consecutive days.
Treatment: Drugs: Telacebec
The test product will be supplied as Telacebec 100mg tablets.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Rate of complete lesion healing by 52 weeks from treatment initiation.
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Assessment method [1]
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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.
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Timepoint [1]
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52 weeks from treatment initiation
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Secondary outcome [1]
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Complete lesion healing rate at 52 weeks from treatment initiation.
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Assessment method [1]
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Complete healing rate will be summarized as percentage with corresponding Clopper-Pearson 95% confidence interval.
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Timepoint [1]
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52 weeks from treatment initiation
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Secondary outcome [2]
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Median time to healing
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Assessment method [2]
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Kaplan-Meier methods will be applied to estimate median time to healing.
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Timepoint [2]
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52 weeks from treatment initiation
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Secondary outcome [3]
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Recurrence rate within 52 weeks from treatment initiation
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Assessment method [3]
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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.
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Timepoint [3]
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52 weeks from treatment initiation
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Secondary outcome [4]
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Treatment failure rate within 52 weeks from treatment initiation
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Assessment method [4]
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Lack of complete healing within the 52 weeks observation period; Recurrence, Use of alternative buruli ulcer (BU) treatment, BU curative intent surgery
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Timepoint [4]
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52 weeks from treatment initiation
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Secondary outcome [5]
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Paradoxical response rate with 52 weeks from treatment initiation
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Assessment method [5]
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An increase in lesion surface area by more than 20% compared with a previous measurement, after initial reduction in lesion size, or the development of a new lesion appearing at a separate site that does not show evidence of disease relapse on histopathology and/or mycobacterial culture examination.
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Timepoint [5]
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52 weeks from treatment initiation
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Eligibility
Key inclusion criteria
Major
* Clinical diagnosis of BU WHO categories, single or multiples:
1. I
2. II with a cross-sectional diameter < 10 cm
3. III category III lesions where multiple and all are < 10 cm cross-sectional diameter
* Positive PCR or culture for confirmation of presence of mycobacterium ulcerans (MU).
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Participants with the following known or suspected medical conditions:
1. Any non BU related condition where participation in the study, as judged by the Investigator, could compromise the well-being of the participant or prevent, limit or confound protocol specified treatment and assessments.
2. History or current ascites, jaundice, myasthenia gravis, clinically significant renal dysfunction [estimated glomerular filtration rate (eGFR) < 50 mls/min], uncontrolled diabetes mellitus [glycated heaemoglobin (HbA1C )> 10%], and severe immune compromise (e.g., immunosuppressive drugs after organ transplant)
3. History of previous BU (except current infection)
* Planned/expected to require curative intent excision surgery, defined as excision of lesion which may include surrounding macroscopically healthy tissue with the aim of helping to sterilize the wound rather than improve wound healing alone, for their BU during the entire study period. Simple removal of necrotic slough and skin grafting is considered normal wound care and allowed.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
9/07/2024
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/12/2025
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Actual
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Sample size
Target
40
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Barwon Health - Geelong
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Recruitment hospital [2]
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Royal Melbourne Hospital - Melbourne
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Recruitment postcode(s) [1]
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3220 - Geelong
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Recruitment postcode(s) [2]
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- Melbourne
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Funding & Sponsors
Primary sponsor type
Government body
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Name
Barwon Health
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Global Alliance for TB Drug Development
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The goal of this interventional clinical trial is to determine if treatment with 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 week during treatment (4 weeks) * Thereafter they will be followed every 2 weeks until week 24 followed by visits as weeks 30, 40 and 52. * Dependent on site requirements, there may be follow up visits on site or remotely.
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Trial website
https://clinicaltrials.gov/study/NCT06481163
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Daniel O'Brien
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Address
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Barwon Health
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Bree Sarah
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Address
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Country
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Phone
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+61 (03) 4215 3035
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT06481163