Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT04066725 · ClinicalTrials.gov registry record · Phase 2
Aspirin as an Ultraviolet (UV) Protectant in Human Subjects at Risk for Melanoma
A Phase 2 study, sponsored by University of Utah.
- Completed
- Registry status
- Phase 2
- Development phase
- 95
- Enrollment target
NCT04066725: Completed Phase 2 study, sponsored by University of Utah.
NCT04066725 is a Phase 2 study that has completed, run by University of Utah. The registered enrollment target is 95 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (29% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04066725, a Phase 2 study, has completed, sponsored by University of Utah.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 95 participants
- Enrollment target
Study Summary
This is a phase II placebo-controlled intervention trial assessing aspirin (ASA) as a UV protectant in patients at risk for melanoma.
Primary Outcome
Baseline minimal erythemal dose (MED) measurements will will be compared to MED results at day 60. We will use the conventional definition of MED as the lowest UV dose resulting in erythema that completely fills the 8-mm irradiated site (homogeneous erythema).
Interventions
- DRUG Placebo oral tablet
- DRUG Aspirin 325mg
- DRUG Aspirin 81 mg
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 95 participants |
| Start Date | 2019-07-25 |
| Est. Completion | 2021-03-19 |
| Phase | Phase 2 |
What the finished NCT04066725 record still lists
NCT04066725 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 95 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (29% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo oral tablet is the first listed.
NCT04066725 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04066725 about?
NCT04066725 is a clinical study titled "Aspirin as an Ultraviolet (UV) Protectant in Human Subjects at Risk for Melanoma". This is a phase II placebo-controlled intervention trial assessing aspirin (ASA) as a UV protectant in patients at risk for melanoma.
What is the current status of trial NCT04066725?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 95 participants. The study started on 2019-07-25. Estimated completion is 2021-03-19.
What interventions are being tested in trial NCT04066725?
The interventions under investigation include: Placebo oral tablet (DRUG), Aspirin 325mg (DRUG), Aspirin 81 mg (DRUG).
Who is sponsoring clinical trial NCT04066725?
This trial is sponsored by University of Utah, which has 818 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04066725's enrollment target sits among peer trials
95 759th of 2000 higher than 1,237 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 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
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT03339128 · 95 participants · Phase 2
Study to Explore the Therapeutic Effect of Eluxadoline in Treating Irritable Bowel Syndrome With Diarrhea in Children
- NCT03509961 · 95 participants · Phase 2
The EndRAD Trial: Eliminating Total Body Irradiation (TBI) for NGS-MRD Negative Children, Adolescents, and Young Adults With B-ALL
- NCT03694756 · 95 participants · NA
TMEM-MRI: A Pilot Feasibility Study of MRI for Imaging of TMEM in Patients With Operable Breast Cancer
- NCT04206215 · 95 participants · NA
Noninvasive Brain Stimulation for Treating Carpal Tunnel Syndrome
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI