A Study of Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants
Public ClinicalTrials.gov record NCT04124705. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Multicenter, Randomized, Double-blind, Dose-conversion Study to Evaluate the Safety and Efficacy of Hormone Replacement Therapy With Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants Who Are Euthyroid on T4 Replacement Therapy
Study identification
- NCT ID
- NCT04124705
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Allergan
- Industry
- Enrollment
- 284 participants
Conditions and interventions
Interventions
- Armour® Thyroid Drug
- Levothyroxine Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 10, 2019
- Primary completion
- Jun 21, 2021
- Completion
- Jun 21, 2021
- Last update posted
- Jun 4, 2024
2019 – 2021
United States locations
- U.S. sites
- 28
- U.S. states
- 10
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Sponsor Site /ID# 237950 | Birmingham | Alabama | 35205 | — |
| Sponsor Site /ID# 237986 | Little Rock | Arkansas | 72209-7040 | — |
| Sponsor Site /ID# 235210 | Greenbrae | California | 94904 | — |
| Sponsor Site /ID# 235716 | Huntington Beach | California | 92648 | — |
| Sponsor Site /ID# 238120 | Sacramento | California | 95821-2123 | — |
| Sponsor Site /ID# 238026 | Santa Clarita | California | 91321 | — |
| Sponsor Site /ID# 238258 | Van Nuys | California | 91405-3605 | — |
| Sponsor Site/ID# 235866 | Denver | Colorado | 80246 | — |
| Sponsor Site /ID# 235853 | Fort Lauderdale | Florida | 33312 | — |
| Sponsor Site /ID# 236809 | West Palm Beach | Florida | 33401 | — |
| Sponsor Site /ID# 235032 | Atlanta | Georgia | 30318 | — |
| Sponsor Site /ID# 237199 | Columbus | Georgia | 31904 | — |
| Sponsor Site /ID# 238088 | Lawrenceville | Georgia | 30046 | — |
| Sponsor Site /ID# 235714 | Lexington | Kentucky | 40503 | — |
| Sponsor Site /ID# 236701 | Louisville | Kentucky | 40213-1014 | — |
| Sponsor Site /ID# 235202 | Asheville | North Carolina | 28803 | — |
| Sponsor Site/ID# 235204 | Greenville | North Carolina | 27834 | — |
| Sponsor Site /ID# 238023 | Hickory | North Carolina | 28601 | — |
| Sponsor Site /ID# 237137 | Austin | Texas | 78731 | — |
| Sponsor Site/ID# 238071 | Austin | Texas | 78749 | — |
| Sponsor Site/ID# 237652 | Dallas | Texas | 75231 | — |
| Sponsor Site/ID# 237655 | Dallas | Texas | 75231 | — |
| Sponsor Site /ID# 235870 | El Paso | Texas | 79935 | — |
| Sponsor Site /ID# 235860 | Round Rock | Texas | 78681 | — |
| Sponsor Site /ID# 235894 | San Antonio | Texas | 78229 | — |
| Sponsor Site /ID# 235211 | Renton | Washington | 98057 | — |
| Sponsor Site /ID# 236022 | Spokane | Washington | 99202 | — |
| Sponsor Site/ID# 236977 | Tacoma | Washington | 98405 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04124705, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 4, 2024 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04124705 live on ClinicalTrials.gov.