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Graves' Ophthalmopathy (GO)Phase 2NCT03938545

ASCEND GO-2: Study of RVT-1401 for the Treatment of Participants With Active, Moderate to Severe Graves' Ophthalmopathy ( GO )

A Phase 2 study testing RVT-1401 (Administered via subcutaneous injection) in people with Graves' Ophthalmopathy (GO), run by Immunovant Sciences GmbH at 25 sites in 5 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The purpose of the current study is to assess the efficacy and safety/tolerability of three dose regimens of RVT-1401 in the treatment of active, moderate to severe GO participants. In addition, the study is designed to characterize the effect of RVT-1401 exposure on reduction in anti-TSHR IgG Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Graves' Ophthalmopathy (GO)
What is being tested?
RVT-1401 (Administered via subcutaneous injection)
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
65 participants
Where
25 sitesin 5 countries
Study dates
23 Jul 2019to 15 Apr 2021
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female ≥18 years of age.
  • Clinical diagnosis of Graves' disease with hyperthyroidism associated with active, moderate to severe Graves' Ophthalmopathy (GO) with a Clinical Activity Score (CAS) ≥4 for the most severely affected eye at Screening and Baseline (on the 7-item scale).
  • Onset of active GO within 9 months of screening.
  • Moderate-to-severe active GO (not sight-threatening but has an appreciable impact on daily life), usually associated with one or more of the following: lid retraction ≥2 millimeters (mm), moderate or severe soft tissue involvement, proptosis ≥3 mm above normal for race and gender, and/or inconstant or constant diplopia.
  • Other, more specific inclusion criteria are defined in the protocol

Who cannot join

  • Use of any steroid (intravenous, oral, steroid eye drops) for the treatment of GO or other conditions within 3 weeks prior to Screening. Steroids cannot be initiated during the trial. Exceptions include topical and inhaled steroids which are allowed.
  • Use of rituximab, tocilizumab, or any monoclonal antibody for immunomodulation within the past 9 months prior to Baseline.
  • Total IgG level <6 grams per liter (g/L) at Screening.
  • Absolute neutrophil count <1500 cells per meter squared (cells/mm^3) at Screening.
  • Participants with 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 at Screening.
  • Previous orbital irradiation or surgery for GO.
  • Other, more specific exclusion criteria are defined in the protocol

Trial locations and contacts

25 sites in 5 countries.

25 sites in 5 countries

United States12 sites
  • University of Michigan - Kellogg Eye Center

    Ann Arbor, Michigan, 48105

  • Multispecialty Aesthetic Clinical Research Organziation (MACRO)

    Beverly Hills, California, 90212

  • Eye Wellness Center

    Houston, Texas, 77005

  • University of Iowa Hospitals & Clinics - Eye Clinic

    Iowa City, Iowa, 52242

  • University of Miami Miller School of Medicine Bascom Palmer Eye Institute

    Miami, Florida, 33136

  • West Virginia University Eye Institute

    Morgantown, West Virginia, 26506

  • Doheny Eye Center UCLA

    Pasadena, California, 91105

  • Oregon Health & Science University (OHSU) - Casey Eye Institute (CEI)-Marquam Hill

    Portland, Oregon, 97239

  • Mayo Clinic

    Rochester, Minnesota, 55905

  • University of Rochester Medical Center

    Rochester, New York, 14642

  • Eyelid Center of Utah

    Salt Lake City, Utah, 84102

  • Washington University School of Medicine - Center for Advanced Medicine (CAM) - Eye Center

    St Louis, Missouri, 63146

Other trials in United States

Canada4 sites
  • Ophthalmology University Center- Hôpital Maisonneuve-Rosemont

    Montreal, Quebec, H1T 2M4

  • Toronto Retina Institute

    North York, Ontario, M3C 0G9

  • University of Ottawa Eye Institute

    Ottawa, Ontario, K1H 8L6

  • University of British Columbia

    Vancouver, British Columbia, V5Z-1M9

Other trials in Canada

Germany3 sites
  • Universitat Duisburg-Essen

    Duisburg, 47057

  • Orbitazentrum Frankfurt

    Frankfurt am Main, 60318

  • Universitätsmedizin Mainz

    Mainz, 55131

Other trials in Germany

Italy3 sites
  • Fondazione IRCCS Cà Granda-Ospedale Maggiore Policlinico

    Milan, 20122

  • ARNAS Garibaldi, Presidio di Nesima

    Palermo, Catania, 95122

  • Unità Operativa di Endocrinologia 2, Azienda Ospedaliero-Universitaria Pisana

    Pisa, 56124

Other trials in Italy

Spain3 sites
  • Centro de Oftalmologia Barraquer

    Barcelona, 08021

  • Hospital Universitari de Bellvitge

    L'Hospitalet de Llobregat, Barcelona, 08907

  • University Hospital Ramon y Cajal

    Madrid, 28034

Other trials in Spain

About this study

Official title: ASCEND GO-2: A Phase 2b, Multicenter, Randomized, Double-blind, Placebo-controlled Study of RVT-1401 for the Treatment of Patients With Active, Moderate to Severe Graves' Ophthalmopathy

The purpose of the current study is to assess the efficacy and safety/tolerability of three dose regimens of RVT-1401 in the treatment of active, moderate to severe GO participants. In addition, the study is designed to characterize the effect of RVT-1401 exposure on reduction in anti-TSHR IgG

Being tested
RVT-1401 (Administered via subcutaneous injection), Placebo (Administered via subcutaneous injection)
Keywords
IMVT-1401, Graves' Orbitopathy, Thyroid Eye Disease
Medical subject headings
Graves Ophthalmopathy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • RVT-1401 (Administered via subcutaneous injection)Drug

    RVT-1401 is a fully human anti-neonatal Fc receptor (FcRn) monoclonal antibody.

  • Placebo (Administered via subcutaneous injection)Other

    Placebo

Study groups in NCT03938545
Study groupRoleWhat they receive
Regimen A-RVT-1401ExperimentalRegimen A= RVT-1401 680 mg weekly for 12 weeks
Receives: Drug: RVT-1401 (Administered via subcutaneous injection)
Regimen B-RVT-1401ExperimentalRegimen B= RVT-1401 340 mg weekly for 12 weeks
Receives: Drug: RVT-1401 (Administered via subcutaneous injection)
Regimen C-RVT-1401ExperimentalRegimen C= RVT-1401 255 mg weekly for 12 weeks
Receives: Drug: RVT-1401 (Administered via subcutaneous injection)
PlaceboPlacebo comparatorfor 12 weeks
Receives: Other: Placebo (Administered via subcutaneous injection)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Participants With Proptosis Response at Week 13

    Proptosis was assessed using an exophthalmometer. A proptosis response was defined as having at least a 2 millimeter (mm) reduction in study eye proptosis without a deterioration (at least a 2 mm increase) in the fellow eye at the same visit. The study eye was defined as the most severely affected eye at the baseline visit.

    Measured: Baseline; Week 13

  2. Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (SAEs)

    AEs - any untoward medical occurrences in a participant, temporally associated with use of a medicinal product, whether or not considered related to the product. Clinically significant changes determined by the Investigator such as vital signs, ECGs, and clinical laboratory values were also reported as AEs. TEAE is defined as an AE that starts on or after the first dose of the study drug and before 30 days after the last dose of the study drug. SAEs were defined as any untoward medical occurrences that: resulted in death; were life-threatening; required hospitalization or prolongation of existing hospitalization; resulted in disability/incapacity; were congenital anomaly/birth defects; were important medical events that may have jeopardized the participant or may have required medical or surgical intervention; invasive or malignant cancers; and development of drug dependency or drug abuse.

    Measured: From Baseline up to Week 20

Secondary outcomes (3)
  1. Least Square Mean Percent Change From Baseline in Binding Anti-thyroid-stimulating Hormone Receptor (TSHR) Antibody Levels to Week 13

    Binding Anti-TSHR antibody serum levels are directly associated with GO clinical features. Baseline was the last available assessment prior to the time of the first dose unless it was specified otherwise and was identified as Day 1. A negative change from baseline in binding anti-TSHR antibody levels indicated therapeutic benefit.

    Measured: Baseline and Week 13

  2. Least Square Mean Percent Change From Baseline in Total IgG Levels

    Blood samples we collected to determine total IgG levels. Baseline was the last available assessment prior to the time of the first dose unless it was specified otherwise and was identified as Day 1. A negative change from baseline in the IgG levels indicated therapeutic benefit.

    Measured: Baseline and Week 13

  3. Least Square Mean Percent Change From Baseline in IgG Subclasses 1, 2, 3 and 4

    Blood samples were collected to determine IgG 1,2,3 and 4 levels. Baseline was the last available assessment prior to the time of the first dose unless it was specified otherwise and was identified as Day 1. A negative change from baseline in the IgG levels indicated therapeutic benefit.

    Measured: Baseline and Week 13

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 May 2019
  2. Study start23 Jul 2019
  3. Primary completion2 Feb 2021
  4. Study completion15 Apr 2021

Why it stopped: Sponsor decision based on premature unblinding of treatment allocations necessitated by program-wide review

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
65 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03938545
Sponsor's protocol ID
RVT-1401-2001
Status last verified
Aug 2022
First submitted
1 May 2019
Last updated
22 Sep 2022
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing RVT-1401 (Administered via subcutaneous injection) in people with Graves' Ophthalmopathy (GO), run by Immunovant Sciences GmbH at 25 sites in 5 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 22 Sep 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 25 sites in United States, Canada, Germany, Italy, Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 22 Sep 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Participants With Proptosis Response at Week 13 (time frame: Baseline; Week 13). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Sep 2022.

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