Intraportal or Intramuscular Site for Islets in Simultaneous Islet and Kidney Transplantation
Open Multi-Center Randomized Study to Compare Safety and Efficacy of Islet Transplantation Using The Intraportal or Intramuscular Site in Simultaneous Islet and Kidney Transplantation
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Forventet)
Tilmelding
Fase
Fase
- Ikke anvendelig
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Male and female patients age 18 to 65 years of age.
- Ability to provide written informed consent.
- Mentally stable and able to comply with the procedures of the study protocol.
- Clinical history compatible with type 1 diabetes with onset of disease at < 40 years of age and insulin-dependence for > 5 years at the time of enrolment.
- Absence of stimulated C-peptide <0.1 nmol/L in response to a MMTT.
- All subjects must have received adequate medical treatment of their diabetes under the guidance from an experienced diabetologist.
- All subjects must have renal failure and be eligible for renal transplantation according to local criteria.
Exclusion Criteria:
- Patients with prior organ transplants
- Patients that qualify for local simultaneous pancreas-kidney transplantation program and who prefer that option
- Patients with body mass index BMI > 28.
- Insulin requirement > 1 Unit/kg/day. If the patient is on peritoneal dialysis the same limit is set when the extra carbohydrates in the dialysis fluids have been accounted for.
- Consistently abnormal liver function tests ( > 1.5 x the upper limit of normal on two consecutive measurements > 2 weeks apart)
- Unstable diabetic retinopathy
- Hypercoagulability disorder or coagulopathy or International normalized ratio (INR)>1.5
- Any history of malignancy except for completely resected squamous or basal cell carcinoma of the skin
- Patients with unstable cardiovascular status
- Patients with active infections, unless treatment is not judged necessary by the investigators
- Patients with serological evidence of infection with HIV, hepatitis B (patients with serology consistent with previous vaccination and a history of vaccination are acceptable) or hepatitis C.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Intraportal islet transplantation
Subject randomized to the protocol with intraportal islet transplantation and kidney transplantation
|
All patients will undergo kidney transplantation regardless of arm
|
|
Eksperimentel: Intramuscular islet transplantation
Subject randomized to the protocol with intramuscular islet transplantation and kidney transplantation
|
All patients will undergo kidney transplantation regardless of arm
|
|
Eksperimentel: Intramuscular transpl with stemcells
Subject randomized to the protocol with intramuscular islet transplantation and where islets have been incubated autologous mesenchymal stemcells.
Will also receive kidney transplant
|
All patients will undergo kidney transplantation regardless of arm
|
|
Aktiv komparator: Kidney transplantation only
Subject that only undergoes kidney transplantation
|
All patients will undergo kidney transplantation regardless of arm
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
C-peptide derived from the Mixed Meal Tolerance Test (MMTT)
Tidsramme: 365 days (+/-14) after kidney transplantation
|
Percentage of patients in each study group reaching a systemic C-peptide derived from the MMTT above 0.1 nmol/L basal (fasting) and 90-min 0.3 nmol/L 75 (+/-5) and 365 days (+/-14) after kidney transplantation
|
365 days (+/-14) after kidney transplantation
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Kaija Salmela, MD PhD, Kidney Transplant Unit, Helsinki University Hospital, Helsinki, Finland
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Forventet)
Primær færdiggørelse
Studieafslutning (Forventet)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- SIK01
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