Clinical trial • Phase III • Ophthalmology|Endocrinology

VRDN-003 for Thyroid eye disease

Phase III trial of VRDN-003 for Thyroid eye disease.

Overview

Trial Therapeutic Area
Ophthalmology|Endocrinology
Trial Disease
Thyroid eye disease
Trial Stage
Phase III
Drug Modality
Peptide/protein/enzyme

Key dates

Initial CTIS Submission Date
08-10-2024
First CTIS Authorization Date
11-02-2025

Trial design

Randomised, placebo (ted sc placebo) administered as matching subcutaneous injections; active treatment vrdn-003 administered as subcutaneous injections given every 4 weeks or every 8 weeks (as described in protocol).-controlled Phase III trial across 19 sites in Poland, Germany, Spain and others.

Randomised
Yes
Comparator
Placebo (Ted sc placebo) administered as matching subcutaneous injections; active treatment VRDN-003 administered as subcutaneous injections given every 4 weeks or every 8 weeks (as described in protocol).
Target Sample Size
113
Trial Duration For Participant
168

Eligibility

Recruits 113 Vulnerable population selected. Study enrols adults (≥18 years); no minors/assent procedures are indicated. Pregnancy and breastfeeding are specifically addressed (pregnant or breastfeeding participants are excluded) and there are dedicated country-specific ICFs for pregnant participants and partner information (e.g. documents titled 'Country ICF Other Pregnant Participant' and 'SIS and ICF Pregnant Partner'). Informed consent is obtained from adult participants via country-specific ICFs (documents available in Polish, German, Spanish, Hungarian, Dutch and English as listed)..

Pregnancy Exclusion
Female participants who are pregnant or breastfeeding
Vulnerable Population
Vulnerable population selected. Study enrols adults (≥18 years); no minors/assent procedures are indicated. Pregnancy and breastfeeding are specifically addressed (pregnant or breastfeeding participants are excluded) and there are dedicated country-specific ICFs for pregnant participants and partner information (e.g. documents titled 'Country ICF Other Pregnant Participant' and 'SIS and ICF Pregnant Partner'). Informed consent is obtained from adult participants via country-specific ICFs (documents available in Polish, German, Spanish, Hungarian, Dutch and English as listed).

Inclusion criteria

  • {"criterion_text":"- Adult males or females, ≥18 to ≤75 years of age who have a clinical diagnosis of TED with any value on the CAS scale (0-7)\n- Must have moderate to severe chronic TED with eye bulging value in the study eye before the first dose as defined in the protocol\n- Have experienced eye-related signs or symptoms that began more than 15 months before the first study visit\n- Must agree to use highly effective contraception as specified in the protocol\n- Female participants must have a negative pregnancy test at first study visit"}

Exclusion criteria

  • {"criterion_text":"- Received prior treatment with another anti-IGF-1R therapy\n- Received corticosteroids (drugs that reduce inflammation in the body) for any condition, including TED, within 2 weeks prior to first dose.\n- Received other immunosuppressive drugs (drugs that dampen the body’s immune response) or any other therapy for TED within 12 weeks prior to first dose or another investigational agent for any condition, including TED, within 8 weeks or longer duration (depending on the type of investigational agent) prior to first dose\n- Have had previous orbital irradiation or decompression surgery for TED or a pre-existing eye condition which in the study doctor’s opinion, would interfere with interpretation of study results\n- Have had abnormal hearing test before first dose. History of ear conditions considered significant by study doctor\n- Have inflammatory bowel disease (conditions that involve inflammation of the gastrointestinal [GI] tract)\n- Female participants who are pregnant or breastfeeding"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- The primary study endpoint will assess the percentage of participants who have a response called Overall Responder Rate at Week 24. An Overall Responder is a participant who achieves a ≥ 2 mm reduction in eye bulging AND shows no worsening in Clinical Activity Score or CAS (that is an estimate of disease severity/symptoms) at Week 24 versus measurements before the first dose.","definition_or_measurement_approach":"Overall Responder Rate at Week 24; defined as participants achieving a ≥2 mm reduction in eye bulging AND no worsening in Clinical Activity Score (CAS) at Week 24 versus pre-dose measurements."}

Secondary endpoints

  • {"endpoint_text":"- The secondary endpoints will assess changes in eye bulging versus measurements before the first dose, and percent of participants who achieve the required reduction in eye bulging, disease severity and symptoms, and reduction and resolution of double vision at Week 24.","definition_or_measurement_approach":"Assess change in eye bulging (proptosis) versus pre-dose measurements; percent achieving required reduction in eye bulging, disease severity/symptoms, and reduction/resolution of diplopia at Week 24."}
  • {"endpoint_text":"- Safety Endpoint: the study will also evaluate safety events (side effects), the effects of VRDN-003 on the body and vice-versa throughout the study.","definition_or_measurement_approach":"Safety events (adverse events/side effects) monitored and evaluated throughout study duration; assessment of effects of VRDN-003 on participants and vice-versa."}

Recruitment

Planned Sample Size
113
Recruitment Window Months
22
Consent Approach
Informed consent obtained from adult participants via country-specific subject information and informed consent forms (L1 Country ICF Main Adult and related ICFs). There are dedicated ICFs and information for pregnant participants and partner information where relevant. ICF documents are available in multiple languages corresponding to participating countries (Polish, German, Spanish, Hungarian, Dutch and English). No assent/parental consent is indicated (minors excluded).

Methods

  • Country-specific recruitment materials and procedures documented: posters, flyers, brochures, flipbooks and recruitment procedure descriptions exist for Poland (K1_POL etc.), Germany (K1_DEU, K2_DEU), Spain (K1_ESP, K2_ESP), Hungary (K2_HUN, K1_HUN) and Netherlands (K1_NLD, K2_NLD). Materials are provided in country/language-specific versions (e.g. Polish, German, Spanish, Hungarian, Dutch and English) as listed in the CTIS documents.
  • Site-based/clinic recruitment indicated by trial sites (hospital/clinic sites listed per country); recruitment procedure descriptions associated with country Part II submissions.

Geography

Total Number Of Sites
19
Total Number Of Participants
91

Poland

Earliest CTIS Part Ii Submission Date
03-02-2025
Latest Decision Or Authorization Date
31-03-2026
Processing Time Days
422
Number Of Sites
5
Number Of Participants
34

Sites

Site Name
Eskulap Pabianice Sp. z o.o.
Department Name
2214:Eskulap Pabianice Sp. z o.o.
Contact Person Name
Agnieszka Waliszek-Iwanicka
Contact Person Email
a.waliszek@eskulapbk.pl
Site Name
Santa Sp. z o.o.
Department Name
2208:Santa Familia PTG Łódź
Contact Person Name
Michal Nowak
Contact Person Email
michal.nowak@ptg-network.com
Site Name
Polimedica Centrum Badan Profilaktyki I Leczenia Sp. z o.o.
Department Name
2216:Polimedica PTG
Contact Person Name
Magdalena Guminska
Site Name
Warszawski Szpital Okulistyczny Sp. z o.o.
Department Name
2212:Warszawski Szpital Okulistyczny
Contact Person Name
Agnieszka Nowosielska
Contact Person Email
nowosielska.aga@gmail.com
Site Name
Pro Life Medica Sp. z o.o.
Department Name
2215:ETG Lublin
Contact Person Name
Iwona Chmiel - Perzyńska

Germany

Earliest CTIS Part Ii Submission Date
30-01-2025
Latest Decision Or Authorization Date
31-03-2026
Processing Time Days
425
Number Of Sites
3
Number Of Participants
9

Sites

Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
1603: Klinik für Augenheilkunde
Contact Person Name
Eckart Bertelmann
Contact Person Email
Eckart.bertelmann@charite.de
Site Name
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
Department Name
1605: Endokrinologie & Stoffwechsele
Contact Person Name
George Kahaly
Site Name
Universitaetsmedizin Goettingen
Department Name
1602: Klinik fur Augenheilkunde
Contact Person Name
Maren Horn

Spain

Earliest CTIS Part Ii Submission Date
23-01-2025
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
433
Number Of Sites
6
Number Of Participants
34

Sites

Site Name
Hospital Universitario Miguel Servet
Department Name
#2105:Oftalmología
Contact Person Name
Laura Maria Gil Arribas
Contact Person Email
lauragilarribas@gmail.com
Site Name
Hospital Universitario Virgen De La Macarena
Department Name
#2101: Oftalmología
Contact Person Name
Antonio Manuel Garrido Hermosilla
Contact Person Email
ensayosoftalmohuvm2@gmail.com
Site Name
Clinica De Oftalmologia De Cordoba S.L.
Department Name
#2106: Oftalmología
Contact Person Name
Javier Vicente Andreu
Contact Person Email
jvicente@hospitalarruzafa.com
Site Name
Complexo Hospitalario Universitario De Santiago
Department Name
#2104: Oftalmología
Contact Person Name
José Manuel Abalo Lojo
Site Name
Hospital Clinico San Carlos
Department Name
#2107: Oftalmología
Contact Person Name
Ángel Romo López
Contact Person Email
angel.romo@salud.madrid.org
Site Name
Clinica De Oftalmologia De Cordoba S.L.
Department Name
#2106: Oftalmología
Contact Person Name
Javier Vicente Andreu
Contact Person Email
jvicente@hospitalarruzafa.com

Hungary

Earliest CTIS Part Ii Submission Date
28-10-2024
Latest Decision Or Authorization Date
30-03-2026
Processing Time Days
518
Number Of Sites
3
Number Of Participants
7

Sites

Site Name
Nozologen Kft.
Department Name
1901:Szemészet
Contact Person Name
Balázs Varsányi
Contact Person Email
varsanyi.balazs@ganglion.hu
Site Name
University Of Pecs
Department Name
1903:Szemészeti Klinika
Contact Person Name
Adrienne Csutak
Contact Person Email
csutak.adrienne@pte.hu
Site Name
Budapest Retina Associates Kft.
Department Name
1902:Szemészet
Contact Person Name
András Seres
Contact Person Email
seres@budapestretina.hu

Netherlands

Earliest CTIS Part Ii Submission Date
21-01-2025
Latest Decision Or Authorization Date
26-03-2026
Processing Time Days
429
Number Of Sites
2
Number Of Participants
7

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
2802:Internal Medicine
Contact Person Name
Marco Medici
Contact Person Email
m.medici@erasmusmc.nl
Site Name
Amsterdam UMC Stichting
Department Name
2801:Ophtalmology
Contact Person Name
Peerooz Saeed
Contact Person Email
p.saeed@amsterdamumc.nl

Sponsor

Primary sponsor

Full Name
Viridian Therapeutics Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Suvoda LLC
Responsibilities
codes: 3
Name
Parexel International (IRL) Limited
Responsibilities
codes: 1,10,11,12,13,2,5,6,8
Name
Medidata Solutions Inc.
Responsibilities
codes: 7
Name
Bioclinica Inc.
Responsibilities
codes: 15 (Imaging)
Name
Scout Clinical
Responsibilities
codes: 15 (Patient Reimbursement; Investigator Meeting)
Name
Professional Case Management Clinical Trials LLC
Responsibilities
codes: 15 (Home Health Care)

Third parties

  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"codes: 3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Arup Laboratories Inc.","duties_or_roles":"codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Xerimis Inc.","duties_or_roles":"codes: 14,4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Kcas LLC","duties_or_roles":"codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Acm Global Central Laboratory Limited","duties_or_roles":"codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United Kingdom","full_name":"The Doctors Laboratory Limited","duties_or_roles":"codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Mayo Collaborative Services LLC","duties_or_roles":"codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"codes: 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Bioclinica Inc.","duties_or_roles":"codes: 15 (Imaging)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"codes: 15 (Patient Reimbursement; Investigator Meeting)","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"South Africa","full_name":"Hearx SA (Pty) Ltd.","duties_or_roles":"codes: 15 (Audiometry assessments)","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Professional Case Management Clinical Trials LLC","duties_or_roles":"codes: 15 (Home Health Care)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Acm Medical Laboratory Inc.","duties_or_roles":"codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Ireland","full_name":"Parexel International (IRL) Limited","duties_or_roles":"codes: 1,10,11,12,13,2,5,6,8","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
VRDN (Insulin-like growth factor-1 receptor [IGF-1R] inhibitor with half-life extension)
Active Substance
VRDN-003
Modality
Peptide/protein/enzyme
Routes Of Administration
SUBCUTANEOUS USE
Route
Subcutaneous
Frequency
Every 4 weeks or every 8 weeks
Maximum Dose
600 mg (max daily); 4200 mg (max total)
Investigational Product Name
Ted sc placebo
Modality
Other

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