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To Assess the Efficacy, Safety, and Tolerability of INCB000928 in Participants With Fibrodysplasia Ossificans Progressiva

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Tolerability of INCB000928 in Participants With Fibrodysplasia Ossificans Progressiva

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05090891
Acronym
Progress
Enrollment
98
Registered
2021-10-25
Start date
2022-05-05
Completion date
2033-01-20
Last updated
2026-05-22

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

Conditions

Fibrodysplasia Ossificans Progressiva (FOP)

Keywords

fibrodysplasia ossificans progressiva (FOP), heterotopic ossification

Brief summary

This Phase 2, Randomized, Double-Blind, Placebo-Controlled Study is intended to evaluate the Efficacy, Safety, and Tolerability and PK of INCB000928 administered to participants with a clinical diagnosis of fibrodysplasia ossificans progressiva (FOP).

Interventions

INCBG000928 will be administered QD orally.

DRUGPlacebo

Placebo will be administered QD orally.

Sponsors

Incyte Corporation
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
2 Years to 99 Years
Healthy volunteers
No

Inclusion criteria

* Female and male participants: * Cohort 1: ≥ 12 years of age. * Cohort 2: 6 to \< 12 years of age. * Cohort 3: 2 to \< 12 years of age (after eDMC review of safety data from Cohort 2). * Clinical diagnosis of FOP. * Willingness to avoid pregnancy or fathering children based on the criteria below. * Willing and able to undergo low-dose WBCT (excluding the head) imaging without requiring intubation. * Further inclusion criteria apply.

Exclusion criteria

* Pregnant or breast-feeding. * CAJIS score ≥ 24. * FOP disease severity that in the investigator's opinion precludes participation. * Any clinically significant medical condition other than FOP that would, in the investigator's judgment, interfere with full participation in the study, pose a significant risk to the participant, or interfere with interpretation of study data. * Chronic or current active infectious disease requiring systemic antibiotic, antifungal, or antiviral treatment. * HIV, HBV, or HCV infection. Note: * Further

Design outcomes

Primary

MeasureTime frameDescription
Double Blind Period: Occurrence of new heterotopic ossification (HO) lesions from baselineWeek 24HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) compared to baseline during the double-blind period.

Secondary

MeasureTime frameDescription
Double Blind Period: Number of new HO lesions from baselineWeek 24HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) compared to baseline during the double-blind period.
Double Blind Period: Total volume of new HO lesions from baselineWeek 24HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) compared to baseline during the double-blind period.
Double Blind Period: Change in the total volume of all HO lesions from baselineWeek 24HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) compared to baseline during the double-blind period.
Double Blind Period: Number of new flares from baselineWeek 24Based on Fibrodysplasia Ossificans Progressiva - Patient RepOrted syMPtoms Tool (FOP-PROMPT).
Number of Participants with Treatment Emergent Adverse Events (TEAE)Up to 316 weeksDefined as any adverse event either reported for the first time or worsening of a pre-existing event after first dose of study drug.
Open-Label Extension: Occurrence of new HO lesions from Week 24Week 48HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) from Week 24 to Week 48 compared to baseline to Week 24 in participants randomized to placebo during the DB period.
Open-Label Extension: Number of new HO lesions from Week 24Week 48HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) from Week 24 to Week 48 compared to baseline to Week 24 in participants randomized to placebo during the DB period.
Open-Label Extension: Total volume of new HO lesions from Week 24Week 48HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) from Week 24 to Week 48 compared to baseline to Week 24 in participants randomized to placebo during the DB period.
Open-Label Extension: Change in the total volume of all HO lesions from Week 24Week 48HO will be assessed by low dose whole-body computed tomography (WBCT) (excluding the head) from Week 24 to Week 48 compared to baseline to Week 24 in participants randomized to placebo during the DB period.
Open-Label Extension: Number of new flares from Week 24Week 48Based on Fibrodysplasia Ossificans Progressiva - Patient RepOrted syMPtoms Tool (FOP-PROMPT) from Week 24 to Week 48 compared to baseline to Week 24 in participants randomized to placebo during the DB period.
Pharmacokinetics Parameter: Cmax of INCB000928Baseline, Weeks 12, 24, 48 and 76Maximum observed concentration.
Pharmacokinetics Parameter: Tmax of INCB000928Baseline, Weeks 12, 24, 48 and 76Time to maximum concentration.
Pharmacokinetics Parameter: Cmin of INCB000928Baseline, Weeks 12, 24, 48 and 76Minimum observed concentration.
Pharmacokinetics Parameter: AUCt of INCB000928Baseline, Weeks 12, 24, 48 and 76Area under the plasma concentration-time curve from time 0 to the last quantifiable measurable plasma concentration

Countries

Argentina, Australia, Brazil, Canada, Chile, China, France, Germany, Italy, Mexico, Netherlands, New Zealand, South Africa, South Korea, Spain, United Kingdom, United States

Contacts

CONTACTIncyte Corporation Call Center (US)
medinfo@incyte.com1.855.463.3463
CONTACTIncyte Corporation Call Center (ex-US)
eumedinfo@incyte.com+800 00027423
STUDY_DIRECTORAmanda McBride, MD

Incyte Corporation

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 23, 2026