Actively Recruiting

Phase 1
Age: 21Years +
MALE
NCT06257693

Enzalutamide Implants (Enolen) in Patients With Prostate Cancer

Led by Alessa Therapeutics Inc. · Updated on 2026-02-27

56

Participants Needed

7

Research Sites

218 weeks

Total Duration

On this page

Sponsors

A

Alessa Therapeutics Inc.

Lead Sponsor

N

National Cancer Institute (NCI)

Collaborating Sponsor

AI-Summary

What this Trial Is About

The study is to assess whether the Enolen is safe and delivers anti-androgen medication locally in patients that are planning for radical prostatectomy.

CONDITIONS

Official Title

Enzalutamide Implants (Enolen) in Patients With Prostate Cancer

Who Can Participate

Age: 21Years +
MALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Age at least 21 years old
  • Histologically confirmed adenocarcinoma of the prostate
  • Planning for radical prostatectomy
  • At least 1 prostate lesion measurable by MRI of 0.5 cm or larger
  • Gleason score 3+4 or higher for Cohorts A and B; Gleason score 3+3 with high risk features or 3+4 for Cohort C
  • Willingness to undergo post-treatment MRI imaging
  • Ability to understand and sign informed consent
  • ECOG performance status of 0 or 1
  • Adequate organ function including neutrophil count ≥ 1000 cells/μL, hemoglobin ≥ 9 g/dL, platelets ≥ 100,000 cells/μL, creatinine clearance ≥ 50 mL/min, bilirubin <1.5x upper limit normal (ULN) or <3x ULN if Gilbert's syndrome
  • Liver enzymes (AST, ALT, alkaline phosphatase) less than 2.5x ULN
  • Agreement to use highly effective contraception or abstinence during the study and for three months after prostatectomy
Not Eligible

You will not qualify if you...

  • Prior radiotherapy or surgery for prostate cancer
  • Ongoing hormonal therapy for prostate cancer or hormone therapy within 3 months before treatment start
  • Prior prostate procedures such as transurethral resection, microwave thermotherapy, high-intensity focused ultrasound, or minimally invasive BPH procedures
  • Inability or unwillingness to undergo MRI, including contraindications such as pacemakers or incompatible implants
  • Presence of metallic hip or other implants that affect prostate MRI quality
  • Inability to provide valid informed consent due to medical or psychiatric conditions
  • Presence of metastatic disease
  • No evidence of extracapsular extension of disease
  • Increased risk of refractory urinary retention from transperineal procedure
  • Prostate infection history within 2 years
  • Medical conditions or circumstances preventing prostatectomy
  • History of bleeding disorders or anticoagulation therapy that cannot be stopped safely
  • Any condition impairing ability to comply with study procedures or undergo prostatectomy

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 7 locations

1

Northwestern University

Chicago, Illinois, United States, 60611

Actively Recruiting

2

Mary Bird Cancer Center

Metairie, Louisiana, United States, 70002

Actively Recruiting

3

National Institutes of Health Clinical Center

Bethesda, Maryland, United States, 20892

Actively Recruiting

4

VA Portland Health Care System

Portland, Oregon, United States, 97239

Not Yet Recruiting

5

Atlantic Urology Specialists

Myrtle Beach, South Carolina, United States, 29572

Actively Recruiting

6

Virginia Commonwealth University

Richmond, Virginia, United States, 23298

Actively Recruiting

7

Aurora Urology

Milwaukee, Wisconsin, United States, 53215

Actively Recruiting

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Research Team

B

Bonnie Wettersten, MS

CONTACT

P

Pamela Munster, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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