Clinical trial Recruiting at 1 site Phase 2 Interventional Ages 18 and up Men only

Combination finasteride plus raloxifene therapy with epigenetic biomarker testing for benign prostate enlargement

Official title: A Phase 2b Randomized, Single-Center, Double Blind, Placebo Controlled, 2-Arm Study to Investigate Orally Administered Combination Therapies (5-alpha Reductase Inhibitor + Raloxifene) Compared With Monotherapy (5-alpha Reductase Inhibitor + Placebo) in Adult Patients With Benign Prostatic Hyperplasia (BPH)

Run by Beth Israel Deaconess Medical Center · NCT06944145 · Data updated 2026-11-12

This project will test whether adding raloxifene to finasteride and using epigenetic biomarker tests helps men with benign prostate enlargement who are candidates for finasteride.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexMen only
Enrollment242 (estimated)
SponsorBeth Israel Deaconess Medical Center
Academic / other
Drugs / interventionsradiation
Locations1 site (Boston, Massachusetts)
StatusRecruiting
StartedDecember 3, 2025
Main results expectedJune 1, 2029
Study endsAugust 31, 2030
Registry record updatedMarch 23, 2026
Trial IDNCT06944145 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adult men for whom finasteride has been recommended, with PSA below 20 ng/mL, willing to provide informed consent and to maintain any current genitourinary medications.

Probably not a fit

Patients with a history of venous thromboembolism, prior prostate cancer or precancerous lesions, pelvic radiation, current warfarin use, recent 5α‑reductase inhibitor treatment, or current use of demethylating medications are excluded and would not be expected to benefit from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 2 interventional effort at Beth Israel Deaconess will enroll adult men recommended for finasteride to test a combination of finasteride and the estrogen modulator raloxifene. The study uses epigenetic biomarker testing, including SRD5A2 promoter methylation and noninvasive assays, to identify men who lack SRD5A2 expression and may be resistant to 5α‑reductase inhibitors. Participants will receive study medications and be followed for symptomatic and biological responses related to lower urinary tract symptoms and prostate size. Outcomes and biomarker changes will be compared to determine whether the combination therapy improves response in men with SRD5A2 suppression.

Why it matters

Potential benefit: If successful, this approach could help identify men unlikely to respond to finasteride and offer an alternative combination therapy to reduce prostate growth and urinary symptoms.

How similar studies have gone: Preclinical and translational work supports SRD5A2 epigenetic regulation and finasteride resistance, but the specific combination of 5‑ARI plus raloxifene with noninvasive biomarker guidance is largely novel in clinical testing.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion criteria

1. ≥18 yrs old on the day of study consent;
2. Finasteride has been recommended for treatment of BPH by a physician;
3. PSA \<20ng/ml within the last six months;
4. Willingness to maintain any current genitourinary medications (e.g., beta agonists, alpha blockers, anticholinergics);
5. Patient is able and willing to provide written informed consent.

Exclusion criteria

1. Active or past history of venous thromboembolism, including deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis;
2. Previous diagnosis with any prostatic malignancy or precancerous lesions (atypical glandular foci);
3. History of pelvic radiation;
4. Actively receiving intravesical therapy for bladder cancer;
5. Received treatment with any demethylating medications (azacitidine, decitabine, zebularine, guadecitabine, hydralazine);
6. Current use of warfarin;
7. Prior treatment with 5ARI medications (e.g., Finasteride or Dutasteride) in the last year;
8. Diagnosed with diabetes mellitus;
9. Diagnosed with any neurodegenerative diseases;
10. History of allergic reaction to any intravenous (IV) iron replacement products;
11. Currently taking cholestyramine medication;
12. Contraindications to MRI examination, which may include:

    * Cardiac pacemaker
    * Intracranial clips, metal implants, or external clips within 10mm of the head
    * Previous metal injury in the eye or occupation risk to ferrous metal in the eye (e.g. metalworker)
    * Claustrophobia that cannot be managed with benzodiazepine

Where it's running

  • Beth Israel Deaconess Medical Center
    Boston, Massachusetts, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.