Difluoromethylornithine and High Dose Testosterone With Enzalutamide in Metastatic Castration-Resistant Prostate Cancer

NCT06059118 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2026-01-14

No results posted yet for this study

Summary

Asymptomatic patients with metastatic castrate resistant prostate cancer (mCRPC) without pain due to prostate cancer will be treated on an open label study to evaluate effectiveness of sequential treatment with the combination of difluoromethylornithine (DFMO) and high dose testosterone in sequence with enzalutamide to improve primary and secondary outcomes.

Conditions

Interventions

DRUG

DFMO

Each 119 day cycle, Days 1-7 patient will take 1000 mg by mouth (PO) twice a day (bid), and then on Day 8 - 63 patient will take 1000 mg PO bid while receiving high dose testosterone IM on Day 8 and Day 36 of cycle.

DRUG

testosterone cypionate

On Day 8 and Day 36 of each 119 day cycle, patient will receive high dose testosterone at 400 mg through intramuscular (IM) injection.

DRUG

Luteinizing hormone-releasing hormone (LHRH) analogue

Patients who have progressive disease after treatment with Abiraterone (Abi) will continue with androgen depravation therapy (ADT) with LHRH analogue (LHRH agonist drug (i.e. Zoladex, Trelstar, Eligard or Lupron) or LHRH antagonist drug (Degarelix or Relugolix)). Dosing instructions will vary between the different LHRH analogues. Patients should follow the dosing instructions as directed by their physician.

DRUG

Enzalutamide

Each 119 day cycle, Days 64-119 patient will take 160 mg by mouth (PO) once a day (qd).

Sponsors & Collaborators

  • Panbela Therapeutics

    collaborator INDUSTRY
  • Prostate Cancer Foundation

    collaborator OTHER
  • United States Department of Defense

    collaborator FED
  • Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

    lead OTHER

Principal Investigators

  • Laura Sena, MD, PhD · Johns Hopkins University

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-10-04
Primary Completion
2027-01-04
Completion
2029-11-30
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

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 NCT06059118 on ClinicalTrials.gov