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A Phase 1 Study of HRS8807 Monotherapy and in Combination With SHR6390 in Subjects With ER-Positive, HER2-Negative Metastatic or Locally Advanced Breast Cancer

Phase 1
Recruiting
Conditions
ER-Positive, HER2-Negative Breast Cancer
Interventions
Drug: HRS8807、SHR6390
Registration Number
NCT04993430
Lead Sponsor
Shanghai Hengrui Pharmaceutical Co., Ltd.
Brief Summary

The study is to assess safety and tolerability of HRS8807 monotherapy and in combination with SHR6390 in subjects with metastatic or locally advanced breast cancer in order to estimate the Dose-Limiting Toxicity (DLT), Maximum Tolerated Dose (MTD) and select the Recommended Phase 2 Dose (RP2D).

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
Female
Target Recruitment
90
Inclusion Criteria
  1. Histological diagnosis of metastatic or locally advanced breast cancer; Histologically proven diagnosis of ER-positive, HER2-negative;
  2. At least 1 line of endocrine therapy in the metastatic or advanced setting that had progressed or intolerance; ≤ 2 lines of chemotherapy for metastatic or advanced disease;
  3. Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1;
  4. Expected survival of more than 3 months.
Exclusion Criteria
  1. All patients in monotherapy and or in combination wih phase who are known allergic to HRS8807 or SHR6390 ingredient;
  2. Presence of symptomatic metastatic visceral disease ;
  3. Patients with known active brain metastases;
  4. Clinically serious cardiovascular disease;
  5. Abnormal electrocardiographic (ECG) with clinical significancy by investigator judgement;
  6. Abnormal thyroid function laboratory results;
  7. Active infection or unexplained fever >38.5℃ during screening period or on the day of the first dose.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Group AHRS8807HRS8807 monotherapy dose escalation
Group BHRS8807HRS8807 monotherapy dose expansion
Group CHRS8807、SHR6390HRS8807 in combination with SHR6390 dose escalation
Group DHRS8807、SHR6390HRS8807 in combination with SHR6390 dose expansion
Primary Outcome Measures
NameTimeMethod
MTDChange From Baseline at 28 days

Maximum Tolerated Dose (MTD) of HRS8807 monotherapy and in combination with SHR6390

Adverse events (AE) and serious AE (SAE)Up to 30 days after end of treatment

AEs and SAEs as characterized by frequency and severity (as graded by National Cancer Institute Common Terminology Criteria for Adverse Events \[NCI CTCAE version 5.0\]).

RP2DChange From Baseline at 28 days

select the Recommended Phase 2 Dose (RP2D) of HRS8807 monotherapy and in combination with SHR6390

Secondary Outcome Measures
NameTimeMethod
Cmax of HRS8807, the major metabolite and SHR6390 after single dose administration of HRS8807 and SHR6390Cycle 1 Day 1, Day 2, each cycle is 28 days
AUC0-∞ of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
Vz/F of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
Cmax,ss of HRS8807, the major metabolite and SHR6390 after multiple dose administration of HRS8807 and SHR6390Cycle 1 Day 14, Day 15, each cycle is 28 days
Tmax,ss of HRS8807 and the major metabolite after multiple dose administration of HRS8807Cycle 1 Day 14, Day 15, each cycle is 28 days
Cmax,ss of HRS8807 and the major metabolite after multiple dose administration of HRS8807Cycle 1 Day 14, Day 15, each cycle is 28 days
Rac of HRS8807 and the major metabolite after multiple dose administration of HRS8807Cycle 1 Day 14, Day 15, each cycle is 28 days
Rac of HRS8807, the major metabolite and SHR6390 after multiple dose administration of HRS8807 and SHR6390Cycle 1 Day 14, Day 15, each cycle is 28 days
Tmax of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
Cmax of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
AUC0-t of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
t1/2 of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)
Cmin,ss of HRS8807 and the major metabolite after multiple dose administration of HRS8807Cycle 1 Day 14, Day 15, each cycle is 28 days
AUCss of HRS8807 and the major metabolite after multiple dose administration of HRS8807Cycle 1 Day 14, Day 15, each cycle is 28 days
Tmax of HRS8807, the major metabolite and SHR6390 after single dose administration of HRS8807 and SHR6390Cycle 1 Day 1, Day 2, each cycle is 28 days
AUC0-t of HRS8807, the major metabolite and SHR6390 after single dose administration of HRS8807 and SHR6390Cycle 1 Day 1, Day 2, each cycle is 28 days
Tmax,ss of HRS8807, the major metabolite and SHR6390 after multiple dose administration of HRS8807 and SHR6390Cycle 1 Day 14, Day 15, each cycle is 28 days
Cmin,ss of HRS8807, the major metabolite and SHR6390 after multiple dose administration of HRS8807 and SHR6390Cycle 1 Day 14, Day 15, each cycle is 28 days
AUCss of HRS8807, the major metabolite and SHR6390 after multiple dose administration of HRS8807 and SHR6390Cycle 1 Day 14, Day 15, each cycle is 28 days
Objective Response Rate (ORR)baseline to the date of first documentation of progression, assessed approximately up to 6 months after the last entered participant
Duration of Response (DoR)baseline to the date of first documentation of progression, assessed approximately up to 6 months after the last entered participant
Progression Free Survival (PFS)baseline to the date of first documentation of progression, assessed approximately up to 6 months after the last entered participant
CL/F of HRS8807 and the major metabolite after single dose of HRS8807Day 1, Day 2, Day 3 of single dose (3 days before Cycle1)

Trial Locations

Locations (1)

Fudan University Shanghai Cancer Center

🇨🇳

Shanghai, Shanghai, China

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