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Study of HRS-5041 in Patients With Metastatic Castration Resistant Prostate Cancer (mCRPC)

A Phase I Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of HRS-5041 in Subjects With Metastatic Castration-resistant Prostate Cancer

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05942001
Enrollment
100
Registered
2023-07-12
Start date
2023-08-03
Completion date
2025-08-31
Last updated
2025-02-19

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

Conditions

Advanced Prostate Cancer

Brief summary

The purpose of this study is to assess the safety, tolerability and preliminary efficacy of HRS-5041 in men with progressive metastatic castration resistant prostate cancer. The objective of this study was to determine the dose-limiting toxicity, maximum tolerance and recommended dose of HRS-5041 in phase II study.

Interventions

HRS-5041 was given oral administration, qd, at a 28-day cycle. Patients may continue to use HRS-5041 until disease progression or unacceptable toxicity occurs.

Sponsors

Jiangsu HengRui Medicine Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

HRS-5041 single arm

Eligibility

Sex/Gender
MALE
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

1. Able and willing to provide a written informed consent. 2. Age 18-80 years old, gender unlimited. 3. The physical status score of the Eastern Tumor Cooperative Group (ECOG) was 0 \ 1. 4. Predicted survival ≥12 weeks. 5. Histological or cytological confirmed adenocarcinoma of the prostate. 6. Patients progressed on taxane chemotherapy and at least one prior secondary hormonal therapy.

Exclusion criteria

1. Prior treatment with an androgen receptor (AR) degrader. 2. Plan to receive any other antitumor therapy during this trial. 3. Receiving other investigational drugs or treatments that are not on the market within 4 weeks prior to the initial administration of the study. 4. Patients with known brain metastases. 5. Any significant medical condition, such as uncontrolled infection, laboratory abnormality, or psychiatric illness.

Design outcomes

Primary

MeasureTime frame
Dose-limiting toxicity (DLT)Up to 28 days
Maximum tolerated dose (MTD)Up to 28 days
Recommended Phase 2 Dose (RP2D) of HRS-5041Up to 28 days

Secondary

MeasureTime frame
Pharmacokinetics - Time to Cmax (Tmax)12 weeks
Prostate Specific Antigen (PSA) decline of ≥ 50% from baseline (PSA50)24 months
PSA Progression Free Survival (PFS)24 months
Number of participants with adverse events (AEs) evaluated using the NCI CTCAE v5.0 criteriaFrom the time of consent at screening until 30 days after the subject discontinues study treatment, up to 2 years
Radiographic progression free survival (rPFS)24 months
Overall survival (OS)24 months
Objective soft tissue response defined by complete response (CR) or partial response (PR) per Prostate Cancer Clinical Trials Working Group 3 (PCWG3)24 months
Pharmacokinetics - Area under the plasma concentration time curve (AUC)12 weeks
Pharmacokinetics - Maximum plasma concentration (Cmax)12 weeks

Countries

China

Contacts

Primary ContactSuyu Fan
suyu.fan@hengrui.com+0518-81220121

Outcome results

None listed

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