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A Trial of HRS-1358 Tablets in Metastatic or Local Advanced Breast Cancer

A Single-arm, Open-label, Multi-center Phase I Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of HRS-1358 Monotherapy or Combination With Dalpiciclib Isethionate Tablets in Patients With Metastatic or Locally Advanced Breast Cancer.

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05628870
Enrollment
102
Registered
2022-11-29
Start date
2023-02-07
Completion date
2025-06-30
Last updated
2025-03-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Brief summary

The study is being conducted to evaluate the safety and tolerability of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets in patients 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).

Interventions

HRS-1358 or combination with Dalpiciclib Isethionate Tablets will be administered daily orally in continuous dosing over 28-day cycles.

Sponsors

Shandong Suncadia Medicine Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Single arm study of HRS-1358

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Histologically diagnosis of local advanced or metastatic breast cancer 2. Women must be postmenopausal, or pre-/peri-menopausal women must be on ovarian suppression 3. At least 1 line of endocrine therapy in the metastatic or advanced setting 4. ECOG performance status score: 0-1; 5. Adequate organ functions as defined 6. Ability to understand and voluntarily agrees to participate by giving written informed consent for the study.

Exclusion criteria

1. the investigators judged that it was not suitable to endocrine therapy 2. patients with active brain metastasis (without medical control or with clinical symptoms), 3. History of clinically significant cardiovascular or cerebrovascular diseases 4. The subject has one of many factors affecting oral 、absorption, distribution, metabolism and excretion of drugs 5. Active autoimmune diseases, History of immunodeficiency, including positive HIV serum test result and other acquired or congenital immunodeficiency diseases, or history of organ transplantation 6. Have received other similar drugs in the past; 7. Known history of allergy to HRS-1358 ingredients

Design outcomes

Primary

MeasureTime frameDescription
Dose Limited Toxicities (DLTs)up to 28 daysNumber of participants with dose-limiting toxicities (DLTs)
Maximum tolerated doseup to 28 daysThe Maximum tolerated dose of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
RP2DChange From Baseline at 28 daysselect the Recommended Phase 2 Dose (RP2D) of HRS-1358 or combination with Dalpiciclib Isethionate Tablets
Incidence and severity of adverse events (AEs)/serious adverse events (SAEs)up to 30 days after the last doseIncidence and severity of adverse events (AEs)/serious adverse events (SAEs) graded by Common Terminology Criteria for Adverse Events (CTCAE) v5.0

Secondary

MeasureTime frameDescription
Tmax,ss0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
Cmin,ss0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
AUCss0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
Rac0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
Cmax0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
Clinical benefit rate (CBR) in participantsUp to approximately 1 year
Duration of response (DOR) in participantsUp to approximately 1 year
Progression Free Survival (PFS) observed in participantsUp to approximately 1 year
Overall response rate (ORR) in participantsUp to approximately 1 year
Tmax0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
AUC0-t0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets
Cmax,ss0.5 hour before first dose of first treatment period to the 0.5 hour before first dose of fourth treatment periodPK parameters of multiple doses of HRS-1358 monotherapy or combination with Dalpiciclib Isethionate Tablets

Countries

China

Contacts

Primary ContactXia Zhang
Xia.zhang@hengrui.com+0518-81220121

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026