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An Open-label Study of JSB462 (Luxdegalutamide) in Combination With Abiraterone in Adult Male Patients With Metastatic Hormone-sensitive Prostate Cancer (mHSPC)

NCT06991556 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 150

Last updated 2026-05-01

No results posted yet for this study

Summary

This Phase II study aims to evaluate efficacy and safety of the combination of JSB462 (also known as luxdegalutamide) at 100 mg and 300 mg once a day (QD) doses + abiraterone compared with an androgen receptor pathway inhibitor (ARPI, abiraterone or enzalutamide) in participants with metastatic Hormone Sensitive Prostate Cancer (mHSPC) and to select the recommended dose of the combination for phase III. Towards that end, the totality of the efficacy, safety, tolerability and PK data from participants randomized in the study will be evaluated

Conditions

Interventions

DRUG

JSB462

JSB462 is administered orally, daily and continuously (100 mg or 300 mg QD) until disease progression per PCWG3-modified RECIST 1.1 as assessed by the investigator, the occurrence of unacceptable toxicities, death, participant decision or investigator decision.

DRUG

Abiraterone

Abiraterone 1000 mg is administered orally, daily and continuously until disease progression per PCWG3-modified RECIST 1.1 as assessed by the investigator, the occurrence of unacceptable toxicities, death, participant decision or investigator decision.

DRUG

Enzalutamide

Enzalutamide 160 mg is administered orally, daily and continuously until disease progression per PCWG3-modified RECIST 1.1 as assessed by the investigator, the occurrence of unacceptable toxicities, death, participant decision or investigator decision.

Sponsors & Collaborators

Principal Investigators

  • Novartis Pharmaceuticals · Novartis Pharmaceuticals

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-07-07
Primary Completion
2032-03-29
Completion
2035-10-19
FDA Drug
Yes

Countries

  • United States
  • Australia
  • Brazil
  • Canada
  • China
  • Czechia
  • France
  • Germany
  • Italy
  • Netherlands
  • Poland
  • Singapore
  • South Korea
  • Spain
  • Taiwan

Study Locations

More Related Trials

Entities

Drugs
Diseases
Companies

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 NCT06991556 on ClinicalTrials.gov