Study Stopped
The study has been early terminated due to business reasons. This decision is not related to any safety, efficacy, or regulatory concerns.
A Study of TCD601 (Siplizumab) in New Onset Type 1 Diabetes Patients
STRIDE
A 12-month, Randomized, Single-blind, Placebo-controlled Exposure-response Study of TCD601 (Siplizumab) in New Onset Type 1 Diabetes Patients (STRIDE)
1 other identifier
interventional
9
5 countries
26
Brief Summary
The goal of this study is to determine if treatment with TCD601 improves beta-cell function in adults recently diagnosed with type 1 diabetes compared to placebo.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Jan 2023
26 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
Study Start
First participant enrolled
January 23, 2023
CompletedFirst Submitted
Initial submission to the registry
August 25, 2023
CompletedFirst Posted
Study publicly available on registry
September 6, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 24, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
July 24, 2025
CompletedAugust 14, 2025
August 1, 2025
2.5 years
August 25, 2023
August 11, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Change from baseline in beta-cell function as compared to placebo at week 52.
Assess any changes in beta-cell function at the end of the study (week 52) for patients treated with TCD601 (study drug) compared to subjects treated with placebo (the comparator).
52 weeks
Secondary Outcomes (1)
Assess the incidence and severity of adverse
52 weeks
Study Arms (2)
TCD601
EXPERIMENTALAdministered one of three doses of TCD601 over a 12 week treatment period.
Placebo
PLACEBO COMPARATORPlacebo is administered over a 12 week treatment period.
Interventions
Eligibility Criteria
You may qualify if:
- Able to understand the study requirements and provide written informed consent before any study assessment is performed
- Male or female patients ≥ 18 to 45 years of age
- A diagnosis of type 1 diabetes
You may not qualify if:
- Women who are pregnant, lactating, or planning on pregnancy during the study
- History of cancer
- History of heart disease
- Recent infection
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- ITB-Med LLClead
Study Sites (26)
UZ Brussel
Brussels, 1090, Belgium
UZ Leuven
Leuven, 3000, Belgium
Azienda Ospedaliero-Universitaria Renato Dulbecco
Catanzaro, 88100, Italy
San Raffaele Hospital
Milan, 20132, Italy
Luigi Sacco Hospital
Milan, 20157, Italy
University of Siena
Siena, 53100, Italy
Hospital Clinic de Barcelona
Barcelona, 08036, Spain
Hospital Universitari de Bellvitge
Barcelona, 08907, Spain
Hospital Universitari de Girona Dr. Josep Trueta
Girona, 17007, Spain
Hospital General de Segovia
Segovia, 40002, Spain
Hospital Universitario Virgen del Rocío
Seville, 41013, Spain
Hospital Clinico Universitario de Valladolid
Valladolid, 47003, Spain
Karolinska University Hosptial
Stockholm, Sweden
Dorset County Hospital NHS Foundation Trust
Dorchester, Dorset, DT1 2JY, United Kingdom
Liverpool University Hospitals NHS Foundation Trust
Liverpool, Merseyside, L7 8YE, United Kingdom
University of Birmingham
Birmingham, United Kingdom
Bradford Teaching Hospitals NHS Foundation Trust
Bradford, BD9 6DA, United Kingdom
Cambridge University Hospitals NHS Foundation Trust
Cambridge, United Kingdom
Ninewells Hospital
Dundee, DD1 9SY, United Kingdom
St George's University Hospitals NHS Foundation Trust
London, SW17 0QT, United Kingdom
Guy's and St. Thomas' NHS Foundation Trust
London, United Kingdom
East Kent Hospitals University NHS Foundation Trust
Margate, CT9 4AN, United Kingdom
Norfolk and Norwich University Hospitals NHS Foundation Trust
Norwich, NR4 7UY, United Kingdom
Oxford University Hospitals NHS Foundation Trust
Oxford, OX3 7LE, United Kingdom
Northern Care Alliance NHS Foundation Trust
Salford, M6 8HD, United Kingdom
Swansea Bay University Health Board
Swansea, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Fredrik Juhlin
ITB-MED
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 25, 2023
First Posted
September 6, 2023
Study Start
January 23, 2023
Primary Completion
July 24, 2025
Study Completion
July 24, 2025
Last Updated
August 14, 2025
Record last verified: 2025-08
Data Sharing
- IPD Sharing
- Will not share