Clinical trial • Phase III • Musculoskeletal

ULVIPRUBART for Inclusion body myositis

Phase III trial of ULVIPRUBART for Inclusion body myositis. open-label, none/not specified-controlled. 257 participants.

Overview

Trial Therapeutic Area
Musculoskeletal
Trial Disease
Inclusion body myositis
Trial Stage
Phase III
Drug Modality
Monoclonal antibody
Orphan Drug
Yes

Key dates

Initial CTIS Submission Date
09-12-2024
First CTIS Authorization Date
11-04-2025

Trial design

open-label, none/not specified-controlled Phase III trial in Belgium, France, Germany.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
257

Eligibility

Recruits 257 Vulnerable population selected. Participants must be able to read, understand, and provide signed informed consent prior to the performance of any study-related procedures..

Pregnancy Exclusion
Women who are pregnant, lactating, or who plan to become pregnant or initiate lactation during the study
Vulnerable Population
Vulnerable population selected. Participants must be able to read, understand, and provide signed informed consent prior to the performance of any study-related procedures.

Inclusion criteria

  • {"criterion_text":"- Able to read, understand, and provide signed informed consent prior to the performance of any study-related procedures"}
  • {"criterion_text":"- Has participated in and completed either Study ABC008-IBM-101 or Study ABC008-IBM-201; completion of the prior study will be defined as completion of the Part 2 (MAD) EOT Visit in Study ABC008-IBM-101 (subjects may have continued into Part 3 [MAD Extension]) or completion of the Week 80 Follow-up Visit in Study ABC008-IBM-201."}
  • {"criterion_text":"- Demonstrated adequate compliance, in the opinion of the Investigator, with the study procedures during Study ABC008-IBM-101 or Study ABC008-IBM-201"}
  • {"criterion_text":"- Willing and able to comply with the requirements of the protocol, including traveling to the site for study-related assessments and SC injections of ulviprubart."}
  • {"criterion_text":"- Women of childbearing potential (WOCBP) and male subjects with female partners who are WOCBP (based on sex assignation at birth) must agree to use highly effective (< 1% failure rate) contraception for the duration of the study through 180 days after EOT/ETV."}
  • {"criterion_text":"- WOCBP (based on sex assignation at birth) must have a negative urine pregnancy test at the Baseline (Day 1) Visit."}
  • {"criterion_text":"- Male subjects (based on sex assignation at birth) must refrain from sperm donation for the duration of the study through 180 days after EOT/ETV."}

Exclusion criteria

  • {"criterion_text":"- Has an unresolved clinically significant AE or a clinically significant finding on a clinical laboratory test, electrocardiogram, or physical examination during Study ABC008-IBM-101 or Study ABC008-IBM-201 that, in the Investigator’s opinion, would limit the subject’s ability to participate in or comply with this study."}
  • {"criterion_text":"- Participation in another investigational drug study (other than Study ABC008-IBM-101 or Study ABC008-IBM-201) within 30 days prior to the Baseline (Day 1) Visit or five times the half-life of the investigational drug, whichever is longer."}
  • {"criterion_text":"- Is not willing or able to comply with the restrictions regarding the use of prohibited medications throughout the study"}
  • {"criterion_text":"- Women who are pregnant, lactating, or who plan to become pregnant or initiate lactation during the study"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- The primary endpoint for the study will be the incidence, type, and severity of treatment-emergent adverse events (TEAEs).","definition_or_measurement_approach":"Incidence, type and severity of treatment-emergent adverse events (TEAEs) as reported during the study."}

Secondary endpoints

  • {"endpoint_text":"- Safety:Incidence, type, and severity of treatment-emergent serious adverse events (TESAEs)","definition_or_measurement_approach":"Incidence, type, and severity of treatment-emergent serious adverse events collected during the study."}
  • {"endpoint_text":"- Safety: Incidence of TEAEs leading to study medication or study discontinuation","definition_or_measurement_approach":"Incidence of TEAEs that result in study medication interruption or subject discontinuation."}
  • {"endpoint_text":"- Safety: Clinically significant changes in standard laboratory parameters and vital signs","definition_or_measurement_approach":"Assessment of clinically significant changes from baseline in standard laboratory tests and vital signs."}
  • {"endpoint_text":"- Safety: Adverse events of special interest (AESIs),","definition_or_measurement_approach":"Identification and reporting of predefined adverse events of special interest during the study."}
  • {"endpoint_text":"- Efficacy: Mean change from Baseline (Day 1) in IBMFRS over the duration of the study.","definition_or_measurement_approach":"Mean change from baseline in IBM Functional Rating Scale (IBMFRS) assessed over the study duration."}
  • {"endpoint_text":"- Efficacy: Mean change from Baseline (Day 1) in MMT 12 over the duration of the study","definition_or_measurement_approach":"Mean change from baseline in Manual Muscle Test (MMT) 12 score assessed over the study duration."}

Recruitment

Planned Sample Size
257
Recruitment Window Months
37
Consent Approach
Participants must read, understand, and provide signed informed consent prior to any study procedures. Subject information and informed consent forms are provided (documents available in multiple languages including English and French and country-specific ICFs for BE/FR; pregnancy-partner ICFs are also provided). No assent process for minors is described.

Geography

Total Number Of Sites
3
Total Number Of Participants
13

Belgium

Earliest CTIS Part Ii Submission Date
19-03-2025
Latest Decision Or Authorization Date
11-04-2025
Processing Time Days
23
Number Of Sites
1
Number Of Participants
4

Sites

Site Name
AZ Sint-Lucas & Volkskliniek
Department Name
Neurology
Contact Person Name
Jan De Bleecker
Contact Person Email
Jan.debleecker@azstlucas.be
Number Of Participants
4

France

Earliest CTIS Part Ii Submission Date
14-03-2025
Latest Decision Or Authorization Date
11-04-2025
Processing Time Days
28
Number Of Sites
1
Number Of Participants
5

Sites

Site Name
Assistance Publique Hopitaux De Paris
Department Name
Medecine interne
Contact Person Name
Olivier BENVENISTE
Contact Person Email
olivier.benveniste@psl.aphp.fr
Number Of Participants
5

Germany

Earliest CTIS Part Ii Submission Date
24-03-2025
Latest Decision Or Authorization Date
16-04-2025
Processing Time Days
23
Number Of Sites
1
Number Of Participants
4

Sites

Site Name
Universitaetsklinikum Duesseldorf AöR
Department Name
Klinik fuer Neurologie
Contact Person Name
Michael Gliem
Number Of Participants
4

Sponsor

Primary sponsor

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

Contract research organisations

Name
PCI Pharma Services Germany GmbH
Responsibilities
code 14
Name
Suvoda LLC
Responsibilities
code 3
Name
Medidata Solutions Inc.
Responsibilities
codes 6, 7
Name
Longboat Clinical Limited
Responsibilities
15: Electric platform for rater qualification and rater training
Name
Syneos Health UK Limited
Responsibilities
codes 1,10,11,12,13,15 (15: Vendor Management),2,5,6,7,8,9
Name
Iqvia Laboratories Limited
Responsibilities
code 4
Name
BioAgilytix Europe GmbH
Responsibilities
code 4
Name
B2s Life Sciences LLC
Responsibilities
code 4

Third parties

  • {"country":"Germany","full_name":"PCI Pharma Services Germany GmbH","duties_or_roles":"code 14","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"code 3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"codes 6, 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Longboat Clinical Limited","duties_or_roles":"15: Electric platform for rater qualification and rater training","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"B2s Life Sciences LLC","duties_or_roles":"code 4","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"BioAgilytix Europe GmbH","duties_or_roles":"code 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Syneos Health UK Limited","duties_or_roles":"codes 1,10,11,12,13,15 (15: Vendor Management),2,5,6,7,8,9","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Iqvia Laboratories Limited","duties_or_roles":"code 4","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
Ulviprubart
Active Substance
ULVIPRUBART
Modality
Monoclonal antibody
Routes Of Administration
Subcutaneous injection
Route
Subcutaneous injection
Authorisation Status
prodAuthStatus: 1
Orphan Designation
Yes
Maximum Dose
Max daily dose amount 2.0 mg/kg; max total dose amount 38 (units as in dataset)

Related trials

Other published trials that may interest you.