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lonigutamab

Phase 1

Thyroid Eye Disease | Small molecule | Endocrine |ACELYRIN, INC.|Last Updated: Jul 1, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment31

FDA Designations

No designations recorded

Clinical trial landscape

lonigutamab · 1 trial · 1 indication

Phase 1 1
NCT05683496Efficacy and Safety of Lonigutamab in Subjects With Thyroid Eye Disease (TED)Thyroid Eye Disease
COMPLETED31 Analytics
PHASE1COMPLETED
Efficacy and Safety of Lonigutamab in Subjects With Thyroid Eye Disease (TED)
Thyroid Eye DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence and characterization of nonserious treatment emergent adverse events (TEAEs)
Day 1 to Day 169

Safety and Tolerability

Incidence and characterization of serious treatment emergent adverse events (TEAEs)
Day 1 to Day 169

Safety and Tolerability

Secondary Endpoints

PK profile of lonigutamab
Day 1 to Day 169
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort 1EXPERIMENTALSingle SC injection of dose 1 of lonigutamab or placebo at Day 1 and Day 21
Cohort 2EXPERIMENTALmultiple doses of dose 2 of lonigutamab administered SC injection weekly
Cohort 3EXPERIMENTALmultiple doses of lonigutamab dose 3 administered SC injection every 4 weeks.
Cohort 4EXPERIMENTALmultiple doses of lonigutamab dose 4 administered SC injection every 4 or 3 weeks.

Interventions

NameTypeDescription
lonigutamabDRUGsubcutaneous injection
PlaceboDRUGsubcutaneous injection
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites11

Key Inclusion Criteria: * Male or female, ≥18 and ≤75 years of age. * Proptosis defined in the study eye as ≥3 mm above normal. * Clinical Activity Score (CAS) ≥4 (using a 7-item scale) for the most severely affected eye * Onset of active TED symptoms prior to baseline * Must agree to use highly ef...

Countries:United StatesAustralia
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Frequently asked questions about lonigutamab

What is lonigutamab used for?

Lonigutamab is an investigational small molecule being developed for the treatment of Thyroid Eye Disease (TED), a condition affecting the tissues around the eyes. It is currently in clinical development and has not been approved by regulatory authorities. The drug is being studied to evaluate its efficacy and safety in patients with this condition.

Who makes lonigutamab?

Lonigutamab is being developed by ACELYRIN, INC., a biopharmaceutical company. The company's stock is traded under the ticker symbol SLRN. ACELYRIN is conducting clinical trials to evaluate the drug's potential as a treatment for Thyroid Eye Disease.

What phase is lonigutamab in?

Lonigutamab is in Phase 1 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory agencies. The Phase 1 trial has been completed, and the drug is still in the early stages of clinical testing to assess its safety and efficacy in patients with Thyroid Eye Disease.

What clinical trials is lonigutamab in?

Lonigutamab has been studied in one clinical trial with the identifier NCT05683496. This Phase 1 trial, titled 'Efficacy and Safety of Lonigutamab in Subjects With Thyroid Eye Disease (TED),' was a randomized, double-blind, controlled study that enrolled 31 participants. The trial was conducted in the United States and Australia and has been completed.

Is lonigutamab FDA approved?

Lonigutamab is not FDA approved. It is an investigational drug currently in Phase 1 clinical development. The completed Phase 1 trial evaluated its safety and efficacy in Thyroid Eye Disease, but the drug has not yet received regulatory approval and remains under investigation.