MELD-ATG: Phase II, Dose Ranging, Efficacy Study of Anti-thymocyte Globulin (ATG) Within 6 Weeks of Diagnosis of Type 1 Diabetes (T1D) (Meld-ATG)
Diabetes Mellitus, Type 1
About this trial
This is an interventional treatment trial for Diabetes Mellitus, Type 1
Eligibility Criteria
The trial is currently only open for recruitment of the following group: 12 - 25 years old Patients aged 5 -11 years old are currently not eligible for the trial.
Inclusion Criteria:
- has given written informed consent to participate; or have a parent or legal guardian provide written informed consent. Individual under the age of consent will be asked to assent to trial participation
- be aged > 5 years to < 25 years at written informed consent/assent
- have been diagnosed with T1d within 3-9 weeks of planned treatment day 1
- have random C-peptide levels > 200 pmol/L measured at screening, as tested centrally
- have 1 or more diabetes-related autoantibody (GADA, IA-2A or ZnT8A) present at screening, as tested centrally
- will be > 6 weeks form last live immunisation at planned treatment day 1 and be willing to forgo live vaccines during the trial until 6 months post treatment
- be willing to comply with intensive diabetes management
Exclusion Criteria:
- Type 2 diabetes
- Evidence of prior or current tuberculosis (TB) infection
- Clinically significant abnormal full blood count (FBC), renal function or liver function at screening
- Requiring use of other immunosuppressive or immunomodulation agents, including chronic use of systemic steroids
- any active chronic infections at screening, or any active acute or chronic infections at baseline or on treatment day, which would contraindicate any additional immunosuppression
- seropositive for human immunodeficiency virus (HIV),hepatitis B of hepatitis C infection at screening
- positive for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) based on local testing regimen
- unwilling to use appropriate contraception if sexually active during the trial, from date of written informed consent until completion of the 12-month follow-up visit
- any history of malignancies, other than skin
- current or ongoing use of non-insulin pharmaceuticals that effect glycaemic control
- active participation in another T1D treatment interventional trial in the previous 30 days prior to screening ( excluding treatment with insulin)
- any prior treatment with ATG, Abatacept or Anti-CD3 monoclonal antibody (Anti-CD3)
- known allergy to ATG or to similar products
- any condition, complicating medical issues, or abnormal clinical laboratory results that the investigator judges may adversely affect trial conduct, cause increased risk to the participant, or compromise the trial results
Sites / Locations
- Medical University of GrazRecruiting
- Medical University of ViennaRecruiting
- Universitair Ziekenhuis AntwerpenRecruiting
- Cliniques Universitaires Saint-Luc
- Universitair ziekenhuis BrusselRecruiting
- Universite Libre de BruxellesRecruiting
- Universitaire Ziekenhuizen LeuvenRecruiting
- Herlev University HospitalRecruiting
- Helsinki University Hospital Children and AdolescentsRecruiting
- Hannoversche Kinderheilanstalt Auf der BultRecruiting
- IRCCS Ospedale San RaffaeleRecruiting
- Ospedale Pediatrico Bambino Gesù
- Slaski Uniwersytet Medyczny w Katowicach
- University Medical Centre LjubljanaRecruiting
- Cambridge University Hospitals NHS TrustRecruiting
- The Royal London Hospital - Barts Health NHS TrustRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Placebo Comparator
Active Comparator
Active Comparator
Active Comparator
Active Comparator
placebo
2.5 mg ATG/kg
1.5 mg ATG/kg
0.5 mg ATG/kg
0.1 mg ATG/kg
placebo arm
the trial consists of 7 cohorts. The first cohort of 30 participants will be randomised to placebo, 2.5 mg/kg, 1.5 mg/kg, 0.5 mg/kg en 0.1 mg/kg in a 1:1:1:1:1 allocation ratio
the next two cohorts of 12 participants will be randomised to placebo, 2.5 mg/Kg, and 2 specified middle ATG total doses in a 1:1:1:1 allocation ratio
The next four cohorts of 15 participants will be randomised to placebo, 2.5 mg/kg and a single selected middle ATG total dose in a 1:1:1 allocation ratio
the trial consists of 7 cohorts. The first cohort of 30 participants will be randomised to placebo, 2.5 mg/kg, 1.5 mg/kg, 0.5 mg/kg en 0.1 mg/kg in a 1:1:1:1:1 allocation ratio