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A phase III, multi-country, randomized, placebo-controlled, double-blinded adaptive platform trial to assess the efficacy and safety of treatments for participants with monkeypox virus disease

A phase III, multi-country, randomized, placebo-controlled, double-blinded adaptive platform trial to assess the efficacy and safety of treatments for participants with monkeypox virus disease

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
PACTR
Registry ID
PACTR202405860723287
Enrollment
422
Registered
2024-05-27
Start date
2024-09-02
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Monkeypox

Interventions

Placebo Tecovirimat ON HOLD
Tecovirimat on HOLD
Placebo For Brincidofovir

Sponsors

PANTHER
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. - Signed informed consent or assent for minor participants - Adults with positive mpox virus PCR confirmed within 7 days of Day (D) 1 and at least one skin lesion - With known HIV or - With Mucosal lesions - Children with positive mpox virus PCR confirmed within 7 days of D1 and at least one skin lesion - Newborn with positive mpox virus PCR confirmed within 7 days of D1 and at least one skin lesion - Specific to the BCV arm and matching placebo-Women participants of childbearing potential willing to use condoms during treatment and for at least 2 months after the last dose of BCV - Specific to the BCV arm and matching placebo-Male participants with partners of chilbearing potential willing to use condoms during treatment and for at least 4 months after the last dose of BCV i. To protect women of a potential teratogenic treatment ii. and anyhow for MSM (men who have sex with men) to avoid contamination

Exclusion criteria

Exclusion criteria: 1. - Current or planned use of another investigational drug at any point during study participation. - Ongoing treatment which cannot be interrupted and for which a major interaction has been described with IP. - Participants who, in the judgement of the investigator, will be at significantly increased risk as a result of participation in the study (for example: if the investigator judges that an antiviral treatment is not indicated). - Known hypersensitivity to a substance in the IP - Use of concomitant medications that are contraindicated with IP - Unwilling or unable to comply with the requirements of the study protocol at any time during the study. - Specific to the BCV arm and matching placebo- pregnant or breastfeeding women

Design outcomes

Primary

MeasureTime frame
time for all visible lesions (skin, mucosal or rectal) to heal with a new fresh layer of skin re-epithelialization (i.e. resurfacing of a wound) with a new epithelium layer (up to visit Day 28)

Secondary

MeasureTime frame
• All-cause mortality within the first 28 days (applied to all subjectsparticipants) • All-cause unplanned admission to hospital within first 28 days (applies to outpatients) • Occurrence of subjectsparticipants with a complication within first 28 days (applies to all subjectsparticipants who did not already have a complication at baseline) • Time to resolution of symptoms and signs within first 28 days (applies to all subjectsparticipants) • Frequency of adverse events (AEs) and serious adverse events (SAEs) and proportion of drug discontinuation

Countries

Congo, Madagascar, Uganda

Contacts

Public ContactNathalie Strub Wourgaft

General Delegate

nstrub-wourgaft@pantherhealth.org0033658277226

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026