An Efficacy, Safety, and Tolerability Study of Veligrotug (VRDN-001), in Participants With Chronic Thyroid Eye Disease (TED) (THRIVE-2)
THRIVE-2
A Randomized, Double-masked, Placebo-controlled Safety, Tolerability, and Efficacy Study of Veligrotug (VRDN-001), a Humanized Monoclonal Antibody Directed Against the IGF-1 Receptor, in Participants With Chronic Thyroid Eye Disease (TED)
1 other identifier
interventional
188
9 countries
57
Brief Summary
This is a clinical trial assessing the efficacy, safety, and tolerability of an investigational drug, veligrotug (VRDN-001), in participants with chronic thyroid eye disease (TED).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Nov 2023
57 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 25, 2023
CompletedFirst Posted
Study publicly available on registry
September 1, 2023
CompletedStudy Start
First participant enrolled
November 14, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 4, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
July 25, 2025
CompletedOctober 23, 2025
October 1, 2025
12 months
August 25, 2023
October 22, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Proptosis Responder Rate in the most proptotic eye
Proptosis Responder Rate in the most proptotic eye (i.e., reduction of proptosis of ≥2 mm from baseline \[without a corresponding increase of ≥2 mm in the other eye\]) as measured by exophthalmometer.
Week 15
Secondary Outcomes (6)
Change from baseline in proptosis in the most proptotic eye
Week 15
Proptosis Responder Rate in the most proptotic eye
Week 15
Clinical Activity Responder Rate in the most proptotic eye
Week 15
Overall Responder Rate in the most proptotic eye
Week 15
Diplopia Responder Rate
Week 15
- +1 more secondary outcomes
Study Arms (2)
Veligrotug (VRDN-001)10 mg/kg
EXPERIMENTALDrug: 5 IV Infusions of veligrotug (VRDN-001)10 mg/kg
Placebo Drug
EXPERIMENTALPlacebo Drug: 5 IV Infusions of placebo
Interventions
Veligrotug (VRDN-001) is a humanized monoclonal antibody directed against the IGF-1 receptor
Eligibility Criteria
You may qualify if:
- Must have moderate to severe chronic TED with documented evidence of ocular symptoms or signs that began greater than 15 months prior to screening
- Must have had a clinical diagnosis of TED, with any CAS (0-7)
- Must agree to use highly effective contraception as specified in the protocol
- Female TED participants must have a negative serum pregnancy test at screening
You may not qualify if:
- Must not have received prior treatment with another anti-IGF-1R therapy
- Must not have received systemic corticosteroids for any condition, including TED, or selenium within 2 weeks prior to first dose
- Must not have received other immunosuppressive drugs or another investigational agent for any condition, including TED, or any other therapy for TED, within 8 weeks prior to first dose
- Must not have received radioactive iodine (RAI) treatment within 8 weeks prior to first dose
- Must not have a pre-existing ophthalmic condition in the study eye that in the opinion of the study doctor would confound interpretation of the study results
- Must not have had previous orbital irradiation or decompression surgery for TED to the study eye's orbit
- Must not have inflammatory bowel disease
- Have abnormal baseline audiometry Pure Tone Average (PTA) assessment or history of significant (as determined by the Investigator) ear pathology, relevant ear surgery or hearing loss.
- Female TED participants must not be pregnant or lactating
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (57)
Advancing Research International, LLC
Los Angeles, California, 90023, United States
USC Roski Eye Institute
Los Angeles, California, 90089, United States
Amy Patel Jain, MD
Newport Beach, California, 92660, United States
Stanford Byers Eye Institute
Palo Alto, California, 94303, United States
Cockerham Eye Consultants, PC
San Diego, California, 92108, United States
Bascom Palmer Eye Institute - Ophthalmology - Miami
Miami, Florida, 33136, United States
Sarasota Retina Institute
Sarasota, Florida, 34239, United States
Northwestern University
Chicago, Illinois, 60611, United States
Family Eye Physicians, Ltd
Oak Lawn, Illinois, 60453, United States
Massachusetts Eye and Ear
Boston, Massachusetts, 02114, United States
Ophthalmic Consultants of Boston
Boston, Massachusetts, 02189, United States
Michigan State University, Department of Neurology
East Lansing, Michigan, 48824, United States
Kahana Oculoplastic and Orbital Surgery
Livonia, Michigan, 48152, United States
Washington University School of Medicine in St Louis - Ophthalmology
St Louis, Missouri, 63110, United States
Steven Leibowitz, MD.
Las Vegas, Nevada, 89144, United States
Rutgers - New Jersey Medical School
Newark, New Jersey, 07103, United States
The Center for Eye and Facial Plastic Surgery
Somerset, New Jersey, 08873, United States
Department of Ophthalmology, University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
Wills Eye Hospital
Philadelphia, Pennsylvania, 19107, United States
Baylor College of Medicine (BCM) - Ophthalmology
Houston, Texas, 77030, United States
Neuro Eye Clinical Trials
Houston, Texas, 77074, United States
University of Vermont Medical Center
Burlington, Vermont, 05401, United States
Harborview Medical Center
Seattle, Washington, 98104, United States
North Shore Private Hospital
Saint Leonards, New South Wales, 2065, Australia
CHU Angers
Angers, 49033, France
CHU de Bordeaux - Hôpital Saint-André
Bordeaux, 33000, France
Centre Hospitalier Universitaire De Nantes - G. R. Laennec
Nantes, 44093, France
CH Nice
Nice, 06000, France
Charité - Universitätsmedizin Berlin KöR
Berlin, 13353, Germany
Universitätsklinikum Essen AöR
Essen, 45122, Germany
University Medical Center Freiburg
Freiburg im Breisgau, 79106, Germany
Universitätsmedizin Göttingen
Göttingen, 37075, Germany
Budapest Retina Intezet
Budapest, H-1133, Hungary
Ganglion Orvosi Kozpont
Pécs, H-7621, Hungary
Pecsi Tudomanyegyetem Klinikai Kozpont Szemeszeti Klinika
Pécs, H-7623, Hungary
Uniwersytecki Szpital Kliniczny w Bialymstoku
Bialystok, 15-276, Poland
Oculomedica Sp. z o.o.
Bialystok, 85-157, Poland
Optimum Profesorskie Centrum Okulistyki Sp. z o.o.
Gdansk, 80-809, Poland
Centrum Medyczne Pulawska Sp. z o.o.
Piaseczno, 05-500, Poland
Centrum Medyczne Piasta 47 sp. z o.o.
Wałbrzych, 58-304, Poland
Complexo Hospitalario Universitario de Santiago-Hospital Médico-Cirúrxico de Conxo
A Coruña, 15706, Spain
Centro de Oftalmologia Barraquer (Barraquer Ophthalmology Centre)
Barcelona, 08021, Spain
Hospital La Arruzafa
Córdoba, 14012, Spain
Hospital Universitario Ramón y Cajal
Madrid, 28034, Spain
Hospital Universitario Virgen De La Macarena
Seville, 41009, Spain
Hospital Universitario Virgen del Rocio
Seville, 41013, Spain
Hospital Universitario Y Politécnico La Fe
Valencia, 46026, Spain
Hospital Unviersitario Miguel Servet
Zaragoza, 50009, Spain
Hacettepe Universitesi Tip Fakultesi
Ankara, 06230, Turkey (Türkiye)
Gazi University Medical Faculty Hospital
Ankara, 06500, Turkey (Türkiye)
Akdeniz University Medical Faculty Hospital
Antalya, 07059, Turkey (Türkiye)
Marmara University Faculty of Medicine
Istanbul, 34854, Turkey (Türkiye)
Moorfield's Eye Hospital
London, EC1V 2PD, United Kingdom
Imperial College Healthcare NHS Trust - Western eye Hospital
London, NW1 5QH, United Kingdom
Guy's and St. Thomas NHS Trust
London, SE1 7EH, United Kingdom
The Newcastle Upon Tyne Hospitals NHS Foundation Trust
Newcastle, NEI 4LP, United Kingdom
University Hospital Southampton NHS Foundation Trust
Southampton, SO16 6YD, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 25, 2023
First Posted
September 1, 2023
Study Start
November 14, 2023
Primary Completion
November 4, 2024
Study Completion
July 25, 2025
Last Updated
October 23, 2025
Record last verified: 2025-10