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NCT03977662CompletedPhase 1/2

Pancreatic Islets and Parathyroid Gland Co-transplantation for Treatment of Type 1 Diabetes

Pancreatic Islets and Parathyroid Gland Co-transplantation for Treatment of Diabetes in the Intra-Muscular Site

Source: ClinicalTrials.gov · Last updated 6 Mar 2026

Brief summary (registry, in English)

The primary objective is to test the hypothesis that co-transplantation of allogeneic PTG with adult pancreatic islets (derived from same deceased donor) in the IM site in people with Type 1 diabetes with functioning kidney and/or liver transplants is safe, allows islet engraftment, and leads to insulin independence.

Status (registry)
Completed
Phase (registry)
Phase 1/2
Study type
Interventional
Enrollment
4 (actual)
First submitted
24 May 2019
Start date
1 Jul 2019
Primary completion date
31 Jan 2026
Lead sponsor
Peter Stock
NCT number
NCT03977662

What you commit to

  • Study type: Interventional · Phase 1/2
  • Participants enrolled: 4
  • From 1 Jul 2019 to the primary completion date, 31 Jan 2026
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Presence of donor specific anti-HLA antibodies detected by Luminex Single Antigen/specificity bead assay including weakly reactive antibodies that would not be detected by a flow cross match
  • Blood Pressure: SBP \> 180 mmHg or DBP \>100 mmHg despite treatment with antihypertensive agents.
  • Invasive aspergillus, histoplasmosis, and coccidioidomycosis infection within 1 year prior to study entry.
  • Use of any investigational agents within 4 weeks of enrollment.
  • Administration of live attenuated vaccine(s) within 2 months of enrollment.

Other illness

  • Active infection including hepatitis B, hepatitis C, HIV, or TB. Quantiferon gold assay will be used to determine TB infection.
  • Any history of malignancy following receiving either the kidney or liver transplant, except for completely resected squamous or basal cell carcinoma of the skin
  • Active infections (except mild skin and nail fungal infections).
  • Any medical condition that, in the opinion of the investigator, will interfere with safe study completion.

Lab values

  • Calculated GFR of ≤ 40 mL/min/1.73 m2 using the subject's measured serum creatinine and the Chronic Kidney Disease Epidemiology Collaboration (CKD- EPI) equation, as well as presence of a rejection episode in the 6 months prior to islet transplant
  • Elevated liver function tests as defined by: SGOT (AST), SGPT (ALT), alkaline phosphatase values \> 1.5, or total bilirubin \>1.5 times normal upper limits at time of study entry, as well as presence of a rejection episode in the 6 months prior to islet transplant
  • Proteinuria (albumin/creatinine ratio or ACr \> 300mg/g) of new onset since kidney transplantation.
  • Severe co-existing cardiac disease, characterized by any one of these conditions:
    • Recent MI (within past 6 months),
    • Evidence of ischemia on functional cardiac exam within the last year,
    • Left ventricular ejection fraction \< 30%,
    • Valvular disease requiring replacement with prosthetic valve.
  • Untreated hyperlipidemia - TC \> 200 mg/dL, TGC \> 200 mg/dL, LDL \> 130 mg/dL

Other

  • Insulin requirement of \>1.0 IU/kg/day
  • Weight more than 100 kg or body mass index (BMI) \> 30 kg/m2.
  • Primary hyperparathyroidism OR secondary hyperparathyroidism
  • Untreated or unstable proliferative diabetic retinopathy.
  • For female subjects: Positive pregnancy test, presently breast-feeding, or unwillingness to use effective contraceptive measures for the duration of the study and 4 months after discontinuation. For male subjects: intent to procreate during the duration of the study or within 4 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.
  • Known active alcohol or substance abuse.
  • Positive screen for BK viremia at time of screening.

Who the study is looking for

  • Male and female subjects age 18 or older.
  • Subjects who are able to provide written informed consent and to comply with study procedures.
  • Clinical history compatible with Type 1 diabetes (onset \< 40 yrs old and insulin dependent for \> 5 yrs at enrollment, c-peptide negative).
  • Recipients should have absent stimulated c-peptide (\< 0.3 ng/mL) in response to a (Boost® 6 mL/kg BW to a maximum of 360 mL; another equivalent product), measured at 60 and 90 min after start of consumption.
  • Subjects who are \> 6 months post-renal transplant or \>6 months post-liver transplant who are taking appropriate calcineurin inhibitor (CNI) based maintenance immunosuppression (\[tacrolimus alone or in conjunction with sirolimus, mycophenolate mofetil, myfortic, or azathioprine; or cyclosporine in conjunction with sirolimus, mycophenolate mofetil, or myfortic ± Prednisone ≤ 10 mg/day).
  • Stable renal function as defined by a creatinine of no more than one third greater than the average creatinine determination performed in the 6 previous months prior to islet transplant, as well as absence of a rejection episode in the 6 months prior to islet transplant
  • Stable liver function tests as defined by: SGOT (AST), SGPT (ALT), alkaline phosphatase values \< 1.5, or total bilirubin \< 1.5 times normal upper limits at time of study entry, as well as absence of a rejection episode in the 6 months prior to islet transplant

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
University of California
Coordinator of this site? Confirm its status
San FranciscoUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.