# A Study to Assess Menstrual Cramp Pain Associated With Primary Dysmenorrhea

> **NCT03448536** · PHASE4 · COMPLETED · sponsor: **Bayer** · enrollment: 201 (actual)

## Conditions studied

- Dysmenorrhea

## Interventions

- **DRUG:** Naproxen Sodium, (Aleve, BAY117031)
- **DRUG:** Acetaminophen (Tylenol Extra Strength)

## Key facts

- **NCT ID:** NCT03448536
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-04-05
- **Primary completion:** 2018-09-05
- **Final completion:** 2018-09-05
- **Target enrollment:** 201 (ACTUAL)
- **Last updated:** 2019-10-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03448536

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03448536, "A Study to Assess Menstrual Cramp Pain Associated With Primary Dysmenorrhea". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03448536. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*