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A Phase Ib Study of HS-10352 Plus Fulvestrant in Patients With Advanced Breast Cancer

NCT05504213 · Status: RECRUITING · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 224

Last updated 2022-08-17

No results posted yet for this study

Summary

HS-10352 is a highly potent and selective small molecule inhibitor of phosphoinositide 3-kinase (p110α). The purpose of this study is to assess the safety, tolerability, pharmacokinetics (PK), and efficacy of HS-10352 plus fulvestrant in patients with hormone receptor (HR) positive, human epidermal growth factor 2 (HER2)-negative, advanced breast cancer (ABC) harboring PIK3CA mutations.

Conditions

Interventions

DRUG

HS-10352 combined with fulvestrant (Stage 1)

Drug: HS-10352 HS-10352 will be administered at escalating doses orally once daily on a continuous dosing schedule starting on Cycle 1 Day 1 (C1D1) in a 28 day cycle. Drug: Fulvestrant Fulvestrant is administered at a dose of 500 mg intramuscular on Cycle 1 Day 1, Day 15, and Day 1 of every cycle thereafter (where a cycle is 28 days).

DRUG

HS-10352 combined with fulvestrant (Stage 2)

Drug: HS-10352 participants will be enrolled into Cohort 2 (endocrine therapy-resistant) and Cohort 3 (endocrine therapy-sensitive or naïve) respectively and HS-10352 will be administered at the recommended dose identified in Part 1. Drug: Fulvestrant Fulvestrant is administered at a dose of 500 mg intramuscular on Cycle 1 Day 1, Day 15, and Day 1 of every cycle thereafter (where a cycle is 28 days).

Sponsors & Collaborators

  • Jiangsu Hansoh Pharmaceutical Co., Ltd.

    lead INDUSTRY

Principal Investigators

  • Xichun Hu, PhD · Fudan University

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-01-12
Primary Completion
2023-07-31
Completion
2025-12-31

Countries

  • China

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05504213 on ClinicalTrials.gov