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NCT03734653 · ClinicalTrials.gov registry record · Early Phase 1

Testosterone Therapy in Castration Resistant Prostate Cancer

A Early Phase 1 study of Prostate Cancer and Castration-resistant Prostate Cancer, sponsored by University of Colorado, Denver.

Completed
Registry status
Early Phase 1
Development phase
30
Enrollment target
1
Study location

NCT03734653: Completed Early Phase 1 study of Prostate Cancer and Castration-resistant Prostate Cancer, sponsored by University of Colorado, Denver.

NCT03734653 is a Early Phase 1 study of Prostate Cancer and Castration-resistant Prostate Cancer that has completed, run by University of Colorado, Denver. The registered enrollment target is 30 participants, below the 608-participant average among 735 other Prostate Cancer trials with a reported enrollment target (95% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03734653, a Early Phase 1 study of Prostate Cancer and Castration-resistant Prostate Cancer, has completed, sponsored by University of Colorado, Denver.

COMPLETED
Registry status
Early Phase 1
Development phase
30 participants
Enrollment target
1
Study location

Study Summary

This is an open-labeled, single-arm, interventional pilot study. It is being done to determine the feasibility of the administration of transdermal testosterone alternating with enzalutamide, as well as the safety and efficacy.

Primary Outcome

This study will be considered feasible if at least 50% of patients approached for participation enroll and if at least 50% of patients that initiate therapy do not withdraw consent for participation.

Interventions

  • DRUG Transdermal Testosterone
  • DRUG Standard of Care, Enzalutamide

Study Locations (1)

Colorado

  • University of Colorado Hospital - Aurora

Trial Details

FieldValue
Enrollment Target 30 participants
Start Date 2019-01-18
Est. Completion 2025-09-30
Phase Early Phase 1
University of Colorado, Denver

1,283 total trials

What the finished NCT03734653 record still lists

NCT03734653 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 608-participant average among 735 other Prostate Cancer trials with a reported enrollment target (95% lower).

The record links to 2 conditions, with Prostate Cancer appearing as the primary indexed condition, and to 2 interventions - of which Transdermal Testosterone is the first listed.

NCT03734653 reports a single indexed study location in Colorado.

Frequently Asked Questions

What is clinical trial NCT03734653 about?

NCT03734653 is a clinical study titled "Testosterone Therapy in Castration Resistant Prostate Cancer". This is an open-labeled, single-arm, interventional pilot study. It is being done to determine the feasibility of the administration of transdermal testosterone alternating with enzalutamide, as well as the safety and efficacy.

What is the current status of trial NCT03734653?

This trial is currently completed. It is a Early Phase 1 study. The enrollment target is 30 participants. The study started on 2019-01-18. Estimated completion is 2025-09-30.

What conditions does trial NCT03734653 study?

This clinical trial studies the following conditions: Prostate Cancer, Castration-resistant Prostate Cancer.

What interventions are being tested in trial NCT03734653?

The interventions under investigation include: Transdermal Testosterone (DRUG), Standard of Care, Enzalutamide (DRUG).

Who is sponsoring clinical trial NCT03734653?

This trial is sponsored by University of Colorado, Denver, which has 1,283 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03734653 being conducted?

This trial has 1 study location across Colorado. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Prostate Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03734653's enrollment target sits among peer trials

30 583rd of 735 higher than 128 of 735 other Prostate Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Prostate Cancer trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03734653, the US trial registry maintained by the National Library of Medicine. NCT03734653 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.