Actively Recruiting

Phase 1
Phase 2
All Genders
NCT06975618

Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of CYH33 in Patients With PIK3CA-related Overgrowth Spectrum (PROS) and PIK3CA-related Vascular Malformations (PRVM)

Led by Haihe Biopharma Co., Ltd. · Updated on 2025-09-24

141

Participants Needed

4

Research Sites

331 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This study is a multi-center, open-label, single arm, phase I/II study to evaluate the safety, tolerability, pharmacokinetics and preliminary efficacy of CYH33 in patients with PIK3CA-related overgrowth spectrum (PROS) and PIK3CA-related vascular malformations (PRVM)

CONDITIONS

Official Title

Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of CYH33 in Patients With PIK3CA-related Overgrowth Spectrum (PROS) and PIK3CA-related Vascular Malformations (PRVM)

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patient or legal guardian voluntarily signs informed consent.
  • Adult patients are 18 years or older; adolescent patients are 12 to under 18 years old and weigh at least 35 kg.
  • Diagnosis of PIK3CA-related overgrowth spectrum (PROS) or PIK3CA-related vascular malformations (PRVM) with confirmed PIK3CA mutation and at least one measurable lesion.
  • Adequate organ and bone marrow function during the 28-day screening period.
Not Eligible

You will not qualify if you...

  • PROS patients with only isolated macrodactyly, epidermal nevi/nevus, or megalencephaly without other PROS lesions.
  • Received any systemic treatment for PROS or PRVM within 8 weeks before the first study drug dose, or any drug treatment like mTOR inhibitors within 28 days before the first dose.
  • Previously received any PI3K inhibitor treatment.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 4 locations

1

Capital Institute of Pediatrics

Beijing, Beijing Municipality, China, 100000

Actively Recruiting

2

Plastic Surgery Hospital, Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China, 100144

Actively Recruiting

3

Shanghai Ninth People Hospital, Shanghai Jiaotong University School of Medicine

Shanghai, Shanghai Municipality, China, 200011

Actively Recruiting

4

West China Hospital of Sichuan University

Chengdu, Sichuan, China, 610041

Actively Recruiting

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Research Team

X

Xiaoxi Lin, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

4

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