RecruitingHypothyroidism
An Open-Label, Single-Arm Study to Investigate the Efficacy and Safety of North Star Desiccated Porcine Thyroid Extract Tablets.
Eligible age
18–75 yrs
Accepts
All genders
Locations
11 states
Healthy volunteers
No
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About this study
The North Star study is a multi-center, Phase 3, open-label, single-arm clinical study to evaluate the Efficacy and Safety of North Star therapy.
Sponsor: Neuvosyn Laboratories, LLC
You may qualify if…
- ✓ Diagnosed with primary hypothyroidism, including Hashimoto's Thyroiditis, and on therapy with a stable dose of LT4 (minimum 50 mcg per day, administered 7 days per week) for at least 12 weeks prior to Screening
- ✓ Have had euthyroid status for at least 6 weeks and up to 12 months prior to Screening (Visit 1), with at least one documented minimum stable dose of 50 mcg LT4.
- ✓ Agree to practice a method of contraception
- ✓ Female patients not pregnant or lactating at Screening
- ✓ Agree to practice a method of contraception of greater than 90% reliability
- ✓ Willing to give written informed consent for the Study
- ✓ Provide written authorization for use and disclosure of protected health information
You may not qualify if…
- ✕ Any clinical condition or previous surgery that might affect the absorption, distribution, biotransformation or excretion of North Star
- ✕ Hospitalization for a major illness within 5 weeks prior to Screening
- ✕ Concomitant use of prohibited medications or supplements
- ✕ Have uncontrolled diabetes
- ✕ Taking or having taken prescription or over-the-counter weight loss medications within 6 weeks prior to Screening
- ✕ Participated in another investigational new drug study within 30 days or 5 half-lives of the IMP, whichever is longer, prior to the first study drug administration.
- ✕ For female subjects, be pregnant, nursing or planning to become pregnant during the study
Where it's recruiting
California
Modesto · Redding · San Diego · Walnut Creek
Colorado
Aurora
Florida
Lakeland · Largo · Miami · Miami Lakes …
Idaho
Boise
Massachusetts
Boston · Methuen
Nevada
Las Vegas
North Carolina
Raleigh · Winston-Salem
South Carolina
Charleston · North Charleston
Tennessee
Chattanooga
Texas
Dallas · Georgetown · Sugar Land
Virginia
Charlottesville
Source: ClinicalTrials.gov · NCT07747103 · last updated 2026-08-05