A Study of TCD601 (Siplizumab) in New Onset Type 1 Diabetes Patients (STRIDE)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT06025110 |
Recruitment Status :
Recruiting
First Posted : September 6, 2023
Last Update Posted : September 21, 2023
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Condition or disease | Intervention/treatment | Phase |
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Diabetes Mellitus, Type 1 | Biological: TCD601 Other: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 96 participants |
Allocation: | Randomized |
Intervention Model: | Sequential Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Treatment |
Official Title: | A 12-month, Randomized, Single-blind, Placebo-controlled Exposure-response Study of TCD601 (Siplizumab) in New Onset Type 1 Diabetes Patients (STRIDE) |
Actual Study Start Date : | January 23, 2023 |
Estimated Primary Completion Date : | January 2025 |
Estimated Study Completion Date : | January 2025 |

Arm | Intervention/treatment |
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Experimental: TCD601
Administered one of three doses of TCD601 over a 12 week treatment period.
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Biological: TCD601
Investigational Product |
Placebo Comparator: Placebo
Placebo is administered over a 12 week treatment period.
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Other: Placebo
Comparator |
- Change from baseline in beta-cell function as compared to placebo at week 52. [ Time Frame: 52 weeks ]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).
- Assess the incidence and severity of adverse [ Time Frame: 52 weeks ]Number of adverse events compared to placebo at week 52.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 45 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- 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
Exclusion Criteria:
- Women who are pregnant, lactating, or planning on pregnancy during the study
- History of cancer
- History of heart disease
- Recent infection

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT06025110
Contact: Elma Redzic | +46 70946 4048 | elma.redzic@itb-med.com |
Sweden | |
Karolinska University Hosptial | Recruiting |
Stockholm, Sweden | |
Contact: Research Coorindator | |
United Kingdom | |
University of Birmingham | Not yet recruiting |
Birmingham, United Kingdom | |
Contact: Research Coordinator | |
Cambridge University Hospitals NHS Foundation Trust | Not yet recruiting |
Cambridge, United Kingdom | |
Contact: Research Coordinator | |
University Hospitals of Derby and Burton NHS Foundation Trust | Not yet recruiting |
Derby, United Kingdom | |
Contact: Research Coordinator | |
Guy's and St. Thomas' NHS Foundation Trust | Not yet recruiting |
London, United Kingdom | |
Contact: Research Coordinator | |
Swansea Bay University Health Board | Not yet recruiting |
Swansea, United Kingdom | |
Contact: Research Coordinator |
Study Director: | Kellie Kennon, BSN | ITB-MED |
Responsible Party: | ITB-Med LLC |
ClinicalTrials.gov Identifier: | NCT06025110 |
Other Study ID Numbers: |
TCD601F201 |
First Posted: | September 6, 2023 Key Record Dates |
Last Update Posted: | September 21, 2023 |
Last Verified: | August 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Diabetes Mellitus Diabetes Mellitus, Type 1 Glucose Metabolism Disorders Metabolic Diseases |
Endocrine System Diseases Autoimmune Diseases Immune System Diseases |