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Study of Apalutamide With Carotuximab in Metastatic, Castration-Resistant Prostate Cancer

NCT05534646 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2026-02-02

No results posted yet for this study

Summary

This is an open-label, multi-site study of apalutamide with carotuximab in patients who have progressed on androgen receptor signaling inhibitor (ARSI) therapy. This study will begin with a safety assessment in the first 10 subjects (part 1: Safety Lead-in). If the combination is deemed safe, the trial will proceed to the Phase II stage. The purpose of this study is to compare progression free survival (PFS) between patients receiving apalutamide and apalutamide + carotuximab using Response Evaluation Criteria in Solid Tumors (RECIST 1.1) and Prostate Cancer Working Group 3. The secondary objectives are to describe adverse events related to the intervention, overall response rate (ORR), proportion of patients resistant to apalutamide that benefit from the addition of carotuximab, and to determine the ORR, radiographic PFS, and biochemical PFS in the overall population.

Conditions

  • Castration-resistant Prostate Cancer

Interventions

DRUG

Apalutamide

Standard of care Apalutamide 240 mg administered orally and daily on Days 1-28 of every 28 day cycle

DRUG

Carotuximab

Carotuximab administered intravenously at the following doses: Cycle 1 Day 1: 3 mg/kg Cycle 1 Day 4: 7 mg/kg Cycle 1 Day 8: 10 mg/kg Cycle 1 Day 15: 10 mg/kg Cycle 1 Day 22: 10 mg/kg Cycle 2 Day 1: 15 mg/kg Cycle 2 Day 15: 15 mg/kg Cycle 3+ Day 1: 15 mg/kg After completion of cycle 2, dosing of carotuximab will continue at a q4 week schedule using the 15 mg/kg dose.

Sponsors & Collaborators

  • Enviro Therapeutics, Inc.

    collaborator UNKNOWN

  • Edwin Posadas, MD

    lead OTHER

Principal Investigators

  • Edwin Posadas, MD FACP · Cedars-Sinai Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-12-27
Primary Completion
2027-01-31
Completion
2027-01-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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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 NCT05534646 on ClinicalTrials.gov