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A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism

Primary Purpose

Hypothyroidism

Status
Enrolling by invitation
Phase
Phase 2
Locations
United States
Study Type
Interventional
Intervention
North Star
Levothyroxine
Sponsored by
Neuvosyn Laboratories, LLC
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Hypothyroidism

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria: Diagnosed with primary hypothyroidism On continuous thyroid replacement therapy for at least 6 months before Study Entry On a stable daily dose of LT4 for a minimum of 12 weeks prior to Screening 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 Exclusion Criteria: Any clinical condition or previous surgery that might affect the absorption, distribution, biotransformation or excretion of North Star or levothyroxine Hospitalization for a major illness within 4 weeks prior to Screening Anticipated initiation or change in concomitant medications Concomitant use of prohibited medications or supplements 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

Sites / Locations

  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site
  • Neuvosyn Investigational Site

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Active Comparator

Arm Label

North Star

Levothyroxine

Arm Description

Outcomes

Primary Outcome Measures

The ratio of the LT4 dose (mcg/day) at screening to North Star (mg/day) at the end of the treatment period required to achieve and maintain serum thyroid-stimulating hormone (TSH) levels within the normal reference range.

Secondary Outcome Measures

Proportion of subjects who are euthyroid as determined by serum TSH level within the normal reference range at the end of the treatment period.

Full Information

First Posted
January 18, 2023
Last Updated
May 3, 2023
Sponsor
Neuvosyn Laboratories, LLC
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1. Study Identification

Unique Protocol Identification Number
NCT05712421
Brief Title
A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism
Official Title
A Randomized, Double-blind, Dose-Conversion Study to Evaluate the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Subjects With Primary Hypothyroidism Who Are Euthyroid on Levothyroxine Replacement Therapy
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Enrolling by invitation
Study Start Date
February 28, 2023 (Actual)
Primary Completion Date
June 2024 (Anticipated)
Study Completion Date
November 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Neuvosyn Laboratories, LLC

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No

5. Study Description

Brief Summary
The North Star study is a multi-center, Phase 2, double-blind, randomized, parallel group clinical study to evaluate the safe and effective dose conversion from Levothyroxine to North Star therapy.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Hypothyroidism

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
300 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
North Star
Arm Type
Experimental
Arm Title
Levothyroxine
Arm Type
Active Comparator
Intervention Type
Drug
Intervention Name(s)
North Star
Intervention Description
North Star
Intervention Type
Drug
Intervention Name(s)
Levothyroxine
Intervention Description
Levothyroxine
Primary Outcome Measure Information:
Title
The ratio of the LT4 dose (mcg/day) at screening to North Star (mg/day) at the end of the treatment period required to achieve and maintain serum thyroid-stimulating hormone (TSH) levels within the normal reference range.
Time Frame
Week 30
Secondary Outcome Measure Information:
Title
Proportion of subjects who are euthyroid as determined by serum TSH level within the normal reference range at the end of the treatment period.
Time Frame
Week 30

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Diagnosed with primary hypothyroidism On continuous thyroid replacement therapy for at least 6 months before Study Entry On a stable daily dose of LT4 for a minimum of 12 weeks prior to Screening 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 Exclusion Criteria: Any clinical condition or previous surgery that might affect the absorption, distribution, biotransformation or excretion of North Star or levothyroxine Hospitalization for a major illness within 4 weeks prior to Screening Anticipated initiation or change in concomitant medications Concomitant use of prohibited medications or supplements 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
Facility Information:
Facility Name
Neuvosyn Investigational Site
City
Birmingham
State/Province
Alabama
ZIP/Postal Code
35209
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Canoga Park
State/Province
California
ZIP/Postal Code
91304
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Greenbrae
State/Province
California
ZIP/Postal Code
94904
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Toluca Lake
State/Province
California
ZIP/Postal Code
91602
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Boca Raton
State/Province
Florida
ZIP/Postal Code
33434
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33144
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33145
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33155
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33174
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33179
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Sunrise
State/Province
Florida
ZIP/Postal Code
33351
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Acworth
State/Province
Georgia
ZIP/Postal Code
30101
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Atlanta
State/Province
Georgia
ZIP/Postal Code
30318
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Columbus
State/Province
Georgia
ZIP/Postal Code
31904
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Sugar Hill
State/Province
Georgia
ZIP/Postal Code
30024
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Saginaw
State/Province
Michigan
ZIP/Postal Code
48602
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Gladstone
State/Province
Missouri
ZIP/Postal Code
64118
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Williamsville
State/Province
New York
ZIP/Postal Code
14221
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Denver
State/Province
North Carolina
ZIP/Postal Code
28037
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Winston-Salem
State/Province
North Carolina
ZIP/Postal Code
27103
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Beavercreek
State/Province
Ohio
ZIP/Postal Code
45440
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Columbus
State/Province
Ohio
ZIP/Postal Code
31904
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Georgetown
State/Province
Texas
ZIP/Postal Code
78628
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Houston
State/Province
Texas
ZIP/Postal Code
77040
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Katy
State/Province
Texas
ZIP/Postal Code
77450
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Katy
State/Province
Texas
ZIP/Postal Code
77494
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Lewisville
State/Province
Texas
ZIP/Postal Code
75067
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Paris
State/Province
Texas
ZIP/Postal Code
75462
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Pearland
State/Province
Texas
ZIP/Postal Code
77584
Country
United States
Facility Name
Neuvosyn Investigational Site
City
Stafford
State/Province
Texas
ZIP/Postal Code
77477
Country
United States

12. IPD Sharing Statement

Plan to Share IPD
No

Learn more about this trial

A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism

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