# Aspirin AM or PM: Effect on Circadian Rhythm of Platelet Reactivity

> **NCT01900639** · PHASE4 · COMPLETED · sponsor: **Leiden University Medical Center** · enrollment: 14 (actual)

## Conditions studied

- Aspirin
- Circadian Rhythm
- Platelet Activation
- Cardiovascular Diseases

## Interventions

- **BEHAVIORAL:** change time of intake of aspirin

## Key facts

- **NCT ID:** NCT01900639
- **Lead sponsor:** Leiden University Medical Center
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-07
- **Primary completion:** 2014-01
- **Final completion:** 2014-01
- **Target enrollment:** 14 (ACTUAL)
- **Last updated:** 2014-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01900639

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01900639, "Aspirin AM or PM: Effect on Circadian Rhythm of Platelet Reactivity". Retrieved via AI Analytics 2026-09-04 from https://api.ai-analytics.org/clinical/NCT01900639. Licensed CC0.

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