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MRI Imaging of Labeled Human Islets Transplanted Into the Liver

F

Frantisek Saudek

Status

Completed

Conditions

Type 1 Diabetes Mellitus

Treatments

Other: Transplantation of labeled islets

Study type

Observational

Funder types

Other

Identifiers

NCT01050166
CD MRI IKEM 1

Details and patient eligibility

About

The purpose of the study is to determine whether human islets labeled by iron contrast agents could be imaged using magnetic resonance after transplantation into the liver of Type 1 diabetic recipients.

Full description

Islet transplantation represents approved therapeutic approach in selected Type 1 diabetic recipients with syndrome of hypoglycaemia unawareness. Existing imaging methods are not sufficient to provide adequate information about amount and fate of islets transplanted into the liver. Labeling of islets with superparamagnetic contrast agent ferucarbotran significantly shortens T2 relaxing time and therefore increase the contrast between islets and liver tissue in magnetic resonance imaging. In consequence, islets transplanted into liver could be easily detectable like hypotensive areas dispersed throughout the liver. MRI examination will be done on 1, 2, 4 weeks and 3, 6 and 12 months.

Enrollment

8 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Type 1 diabetes mellitus
  • normal renal parameters
  • hypoglycaemia unawareness or rapid progression of diabetic retinopathy or neuropathy

Exclusion criteria

  • acute and chronic liver disease
  • malignancy
  • acute infection
  • serious cardiovascular disease
  • coagulopathy
  • portal hypertension
  • presence of metal protesis, cardio-stimulators, or other metal material in the body

Trial design

8 participants in 1 patient group

Labeled islets
Description:
Type 1 diabetic recipients after islet transplantation with islets labeled by iron contrast agent
Treatment:
Other: Transplantation of labeled islets

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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