CI

At a glance

ClinicalIndex Comparison Record
Phase 2Recruiting· 20 target
Drug / intervention
Alpelisib (BYL719) +2 moredrug
Likely dose
Not stated in record
Key inclusion· 5
  • Age 2-40 years at informed consent
  • Diagnosis of MCAP with neurodevelopmental disorder presentation
  • Documented postzygotic or constitutional PIK3CA mutation
  • Able to swallow study drug in appropriate formulation for age
Key exclusion· 20
  • Prior treatment with alpelisib
  • GI impairment significantly affecting drug absorption
  • Uncontrolled diabetes mellitus (Type I or II)
  • Hypersensitivity to PI3K inhibitors or alpelisib excipients

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05577754
NCT05577754Phase 2RecruitingOn TrackUpdated 4mo ago
Long Recruiting

A Phase II Double-blind Multi-center, Placebo-controlled Trial, to Assess the Efficacy and Safety of Alpelisib (BYL719) in Pediatric and Adult Patients With Megalencephaly-CApillary Malformation Polymicrogyria Syndrome (MCAP)

Centre Hospitalier Universitaire Dijon·interventional·Posted Oct 13, 2022·Updated Feb 24, 2026

In Brief

A Phase 2 clinical trial evaluating Alpelisib (BYL719), Matching placebo, and 1 other intervention for Megalencephaly-capillary Malformation Polymicrogyria Syndrome (MCAP). Currently recruiting, targeting 20 participants across 13 sites.

Detailed Summary

This study is a two periods multi-center Phase II trial, with a 6 months double-blind, placebo-controlled period followed by open label period, to assess the efficacy and safety of alpelisib (BYL719) in pediatric and adult patients with Megalencephaly-CApillary malformation Polymicrogyria syndrome (MCAP)

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesFrance

Timeline

Phase 2Recruiting
20232024202520262027
First PostedOct 13, 2022
Enrollment StartNov 28, 2022
Primary CompletionMar 1, 2027
TodayJul 2, 2026
Enrollment to primary: 4.3 yearsPosted 3.7 years agoPrimary completion in 8 months

Interventions

Alpelisib (BYL719)drug

Administration during open label and double-blind period of group B: alpelisib will be taken once a day each day over 24 mois During open label period of group A: alpelisib will be taken once a day each day over 24 months

Matching placebodrug

During double-blind period of group A: matching placebo will be taken once a day each day over 6 months

Optional lumbar puncture + blood sampleprocedure

Between 6 and 24 months of treatment with Alpelisib