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

About

Brief Summary

The overall objective is to study the safety, pharmacokinetics and efficacy of linsitinib (a small molecule IGF-1R inhibitor) administered orally twice daily (BID) vs. placebo, at 24 weeks in the treatment of subjects with active, moderate to severe thyroid eye disease (TED).

Primary Purpose
Treatment
Study Type
Interventional
Phase
Phase 2/Phase 3

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Inclusion Criteria:

  • Clinical diagnosis of Graves' Disease and/or autoimmune Hashimoto's thyroiditis associated with active moderate to severe TED with a CAS ≥ 4 (on the 7- item scale) for the most severely affected eye (primary study eye) at Screening and Baseline
  • Confirmed active TED (not sight-threatening but has an appreciable impact on daily life, with onset (as determined by patient records) within 12 months prior to the Baseline visit and usually associated with one or more of the following: lid retraction ≥ 2 mm, moderate or severe soft tissue involvement, exophthalmos ≥ 3 mm above normal for race and gender, and/or inconstant or constant diplopia.
  • Subjects must be euthyroid (defined as normal TSH) or, have subclinical hyperthyroidism (defined as normal FT4 and FT3 with TSH below the normal range).
  • Does not require immediate surgery, radiotherapy or other ophthalmological intervention at the time of Screening and is not planning for any such treatment during the course of the study.

Exclusion Criteria:

  • Decreased best corrected visual acuity due to optic neuropathy as defined by a decrease in vision of 2 lines on the Snellen chart, new visual field defect, or color defect secondary to optic nerve involvement within the last 6 months.
  • Corneal decompensation unresponsive to medical management.
  • Previous orbital irradiation or surgery.
  • Any steroid use (intravenous [IV] or oral) with a cumulative dose equivalent to > 1g of methylprednisolone or equivalent for the treatment of TED within 3 months of Screening.
  • Prior IGF-1R inhibitor therapy for any condition.

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Study Stats
Protocol No.
22-000271
Category
Ophthalmology
Contact
Pearl Heumann
Location
  • UCLA Westwood
For Providers
NCT No.
NCT05276063
For detailed technical eligibility, visit ClinicalTrials.gov.