Status:

RECRUITING

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)

Lead Sponsor:

Haihe Biopharma Co., Ltd.

Conditions:

PIK3CA-Related Overgrowth Spectrum (PROS)

PIK3CA-related Vascular Malformations (PRVM)

Eligibility:

All Genders

Phase:

PHASE1

PHASE2

Brief Summary

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 overgrow...

Eligibility Criteria

Inclusion

  • Key inclusion criteria:
  • The patient or the patient's legal guardian (if applicable) voluntarily signs the Informed Consent Form.
  • At the time of signing the informed consent, adult patients should be ≥18 years old (or meet the legal adult age according to local regulations), and adolescent patients should be ≥12 years old and \<18 years old (or meet the legal definition of adolescent according to local regulations; additionally, adolescent patients should weigh ≥35 kg).
  • The patient is diagnosed with PIK3CA-related overgrowth spectrum (PROS) or PIK3CA-related vascular malformations (PRVM), and provides a report confirming PIK3CA mutation detected by local laboratory or the Sponsor-designated central laboratory, with at least one measurable lesion related to PROS or PRVM.
  • Patients should demonstrate adequate organ and bone marrow function during the 28-day screening period.
  • Key exclusion criteria:
  • PROS patients presenting solely with isolated macrodactyly, epidermal nevi/nevus, and megalencephaly (only one clinical feature or any combination of these three features) without other PROS-related lesions.
  • Patients who have received any systemic treatment for PROS or PRVM within 8 weeks prior to the first dose of study drug, or any drug treatment for PROS or PRVM (e.g., mTOR inhibitors) within 28 days prior to the first dose of study drug.
  • Patients who have previously received any PI3K inhibitor treatment.

Exclusion

    Key Trial Info

    Start Date :

    August 22 2023

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    December 31 2029

    Estimated Enrollment :

    141 Patients enrolled

    Trial Details

    Trial ID

    NCT06975618

    Start Date

    August 22 2023

    End Date

    December 31 2029

    Last Update

    September 24 2025

    Active Locations (4)

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    Page 1 of 1 (4 locations)

    1

    Capital Institute of Pediatrics

    Beijing, Beijing Municipality, China, 100000

    2

    Plastic Surgery Hospital, Chinese Academy of Medical Sciences

    Beijing, Beijing Municipality, China, 100144

    3

    Shanghai Ninth People Hospital, Shanghai Jiaotong University School of Medicine

    Shanghai, Shanghai Municipality, China, 200011

    4

    West China Hospital of Sichuan University

    Chengdu, Sichuan, China, 610041