Type 1 diabetes
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria:
Exclusion criteria
Exclusion criteria: 1. BMI > 27 kg/m2 or weight > 80 kg. 2. Insulin requirement of > 0.8 IU/kg/day or 55 U/day. 3. Mean HbA1c value of several measurements in the previous 12 months > 10%. 4. Untreated proliferative diabetic retinopathy. 5. Blood pressure: SBP > 160 mmHg or DBP > 100 mmHg. 6. Creatinine clearance < 60 mL/min (applied only to islet transplantation alone case) 7. Presence of proteinuria > 1 g/day. 8. For female participants: Positive pregnancy test, presently breast-feeding, or unwillingness to use effective contraceptive measures for the duration of the study and 3 months after discontinuation. For male participants: Intent to procreate during the duration of the study or within 3 months after discontinuation or unwillingness to use effective measures of contraception. Oral contraceptives, Norplant, Depo-Provera, and barrier devices with spermicide are acceptable contraceptive methods; condoms used alone are not acceptable. 9. Active infection including hepatitis B, hepatitis C, HIV, or TB as determined by a positive skin test or clinical presentation, or under treatment for suspected TB. Positive tests are acceptable only if associated with a history of previous vaccination in the absence of any sign of active infection. Positive tests are otherwise not acceptable, even in the absence of any active infection at the time of evaluation. 10. Negative screen for Epstein-Barr Virus (EBV) by IgG determination. 11. Difficulty of administration for laboratory and physical tests for evaluation or regular outpatient visits. 12. Mental abnormalities to hinder medical procedure under protocol (Assessment by psychiatrists is required and final decision is made by investigators in charge) 13. Any medical condition that, in the opinion of the investigator, will interfere with the safe completion of the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of subjects with HbA1c<7.0% and who are free of severe hypoglycemic events (from day 90 to day 365) one years after the first islet cell infusion. | — |
Countries
Japan
Contacts
Fukushima Medical University/Kyoto University Department of Regenerative Surgery/Department of Surgery