# A Study to Assess the Safety and Efficacy of Oral Armour Thyroid Compared to Synthetic T4 for the Treatment of Primary Hypothyroidism in Adult Participants

> **NCT06345339** · PHASE2,PHASE3 · RECRUITING · sponsor: **AbbVie** · enrollment: 2800 (estimated)

## Conditions studied

- Hypothyroidism

## Interventions

- **DRUG:** Armour Thyroid
- **DRUG:** Levothyroxine

## Key facts

- **NCT ID:** NCT06345339
- **Lead sponsor:** AbbVie
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2024-04-26
- **Primary completion:** 2027-09
- **Final completion:** 2028-06
- **Target enrollment:** 2800 (ESTIMATED)
- **Last updated:** 2026-01-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06345339

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06345339, "A Study to Assess the Safety and Efficacy of Oral Armour Thyroid Compared to Synthetic T4 for the Treatment of Primary Hypothyroidism in Adult Participants". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT06345339. Licensed CC0.

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