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Phase 1/2 Clinical Study of HRS-4357 in Patients With Advanced Prostate Cancer

Phase 1
Not yet recruiting
Conditions
Advanced Prostate Cancer
Interventions
Drug: HRS-4357 injection
Registration Number
NCT06006104
Lead Sponsor
Jiangsu HengRui Medicine Co., Ltd.
Brief Summary

The study is being conducted to evaluate the the safety, pharmacokinetics, radiation dosimetry, and preliminary efficacy of HRS-4357 injection in adult patients with advanced prostate cancer.

Detailed Description

Not available

Recruitment & Eligibility

Status
NOT_YET_RECRUITING
Sex
Male
Target Recruitment
49
Inclusion Criteria
  1. Voluntary participation in this clinical trial, understanding of the study procedures and being able to sign the informed consent form in writing;
  2. Male, age ≥18 years;
  3. ECOG score 0 - 1;
  4. Histologically and/or cytologically confirmed adenocarcinoma of the prostate;
Exclusion Criteria
  1. Spinal cord compression with clinical symptoms, or clinical symptoms and/or imaging findings suggesting imminent spinal cord compression.
  2. Severe urinary incontinence, hydronephrosis, severe micturition dysfunction, etc. Note: Subjects with bladder outflow obstruction or urinary incontinence that can be controlled by the best available standard of care (including pads, drainage, etc.) are eligible to participate in the study.
  3. Active syphilis infection.
  4. Known hypersensitivity to components of the study drug or its analogues.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
HRS-4357 injectionHRS-4357 injection-
Primary Outcome Measures
NameTimeMethod
Prog Dose limiting toxicity (DLT)up to 9 months follow-up
PSA50 response rateup to 12 weeks follow-up
recommended dosing cycle.up to 9 months follow-up
recommended phase 2 dose (RP2D)up to 9 months follow-up
Secondary Outcome Measures
NameTimeMethod
Overall Response Rate (ORR)up to 20 months follow-up
time to PSA progressionup to 9 months follow-up
time to maximum plasma concentration (Tmax)up to 6 weeks follow-up
Disease control Rate (DCR)up to 20 months follow-up
Duration of Response (DoR)up to 20 months follow-up
cumulative urinary excretion of radioactive doseup to 6 weeks follow-up
Radiographic Progression-free Survival (rPFS)up to 9 months follow-up
volume of distribution (Vz)up to 6 weeks follow-up
Absorbed dose and effective dose of radioactive internal irradiation of the whole body and major organs;up to 6 weeks follow-up
Maximum plasma concentration (Cmax)up to 6 weeks follow-up
area under the plasma concentration-time curve (AUC)up to 6 weeks follow-up
clearance (Cl)up to 6 weeks follow-up
terminal half-life (t1/2)up to 6 weeks follow-up
Overall Survival (OS)up to 20 months follow-up
PSA90 response rateup to 12 weeks follow-up]
Incidence and severity of AEs and SAEsup to 20 months follow-up
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