# A Comparison of Patch vs. Pill Estrogen Therapy on Testosterone Levels and Thyroid Tests in Menopausal Women

> **NCT00224094** · PHASE4 · COMPLETED · sponsor: **Watson Pharmaceuticals** · enrollment: 27 (actual)

## Conditions studied

- Menopause

## Interventions

- **DRUG:** Premarin® (oral) vs. Alora® (transdermal)

## Key facts

- **NCT ID:** NCT00224094
- **Lead sponsor:** Watson Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2002-01
- **Primary completion:** 2003-05
- **Final completion:** —
- **Target enrollment:** 27 (ACTUAL)
- **Last updated:** 2012-10-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00224094

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00224094, "A Comparison of Patch vs. Pill Estrogen Therapy on Testosterone Levels and Thyroid Tests in Menopausal Women". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00224094. Licensed CC0.

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