CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 44 enrolled
Drug / intervention
Celecoxib +3 moredrug
Likely dose
Celecoxib 200 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04765644
NCT04765644Phase 4Completed

Arginine Supplementation to Improve Cardiovascular and Endothelial Function After NSAID Treatment (ASCENT)

Imperial College London·interventional·Posted Feb 21, 2021·Updated Apr 17, 2026

In Brief

A Phase 4 clinical trial evaluating Celecoxib, Placebo, and 2 other interventions for Healthy. Completed, enrolled 44 participants across 1 site.

Detailed Summary

A single centre, placebo controlled, blinded (participant, investigator, outcome assessor) trial to evaluate the effects of COX-2 inhibition with celecoxib on endothelial function in healthy male volunteers.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsHealthy
CountriesUnited Kingdom
Collaborators--

Timeline

Phase 4CompletedFinished
202120222023202420252026
First PostedFeb 21, 2021
Enrollment StartJun 10, 2021
Primary CompletionJan 24, 2022
TodayJul 2, 2026
Enrollment to primary: 7 monthsPosted 5.4 years ago

Interventions

Celecoxibdrug

Two 200 mg capsules per day (400 mg/day) for 7 days

Placeboother

2 capsules/day for 7 days

L-arginine + placeboother

L-arginine = Five capsules of 2 mg per day (10 mg/day) for 7 days Placebo = 2 capsules/day for 7 days

L-arginine + celecoxibother

L-arginine = Five capsules of 2 mg per day (10 mg/day) Celecoxib = Two 200 mg capsules per day (400 mg/day) for 7 days