RECRUITING

A Phase 2b Extension Study of Two Doses of Linsitinib in Subjects With Active, Moderate to Severe Thyroid Eye Disease (TED)

Description

The overall study objective is to continue to assess the efficacy, safety, pharmacokinetics, and pharmacodynamics of linsitinib in subjects who were enrolled in the prior VGN-TED-301 through Week 24. These subjects include VGN-TED-301 Week 24 proptosis non-responders or subjects who relapse during the Follow-Up Period of VGN-TED-301.

Conditions

Thyroid Eye DiseaseGraves OrbitopathyEndocrine System DiseasesEye DiseasesThyroid Associated OphthalmopathyGraves OphthalmopathyThyroid DiseasesOrbital DiseasesProptosisIGF1RExophthalmosHashimoto
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Related Conditions:

Thyroid Eye DiseaseGraves OrbitopathyEndocrine System DiseasesEye DiseasesThyroid Associated OphthalmopathyGraves OphthalmopathyThyroid DiseasesOrbital DiseasesProptosisIGF1RExophthalmosHashimoto

Study Overview

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Study Details

Study overview

The overall study objective is to continue to assess the efficacy, safety, pharmacokinetics, and pharmacodynamics of linsitinib in subjects who were enrolled in the prior VGN-TED-301 through Week 24. These subjects include VGN-TED-301 Week 24 proptosis non-responders or subjects who relapse during the Follow-Up Period of VGN-TED-301.

A Multicenter, Extension Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Two Doses of Linsitinib in Subjects With Active, Moderate to Severe Thyroid Eye Disease (TED)

A Phase 2b Extension Study of Two Doses of Linsitinib in Subjects With Active, Moderate to Severe Thyroid Eye Disease (TED)

Condition
Thyroid Eye Disease
Intervention / Treatment

-

Contacts and Locations

Miami

Bascom Palmer Eye Institute, Miami, Florida, United States, 33136

Morgantown

West Virginia University Eye Institute, Morgantown, West Virginia, United States, 26506

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Subject who completed the 24-week double-mask period of VGN-TED-301 and are proptosis non-responders (\< 2 mm reduction in proptosis in the study eye) at Week 24 of VGN-TED-301 study or proptosis responders at Week 24 who relapse during the Follow-Up period of VGN-TED-301
  • * Subject has not received any treatment for TED since Week 24 of VGN-TED-301
  • * Subjects must be euthyroid with the participant's baseline disease under control or have mild hypo- or hyperthyroidism (defined as free thyroxine \[FT4\] and free triiodothyronine levels \[FT3\] \<50% above or below the normal limits) at Baseline. Every effort should be made to correct mild hypo- or hyperthyroidism promptly and maintain the euthyroid state for the duration of the clinical trial
  • * Does not require immediate ophthalmic surgery, radiotherapy to orbits or other ophthalmological intervention at the time of Baseline and is not planning for any such treatment during the course of the study
  • * The exclusion criteria of protocol VGN-TED-301 also apply to this extension study.

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Sling Therapeutics, Inc.,

Study Record Dates

2026-06