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Studies of Pancreatic Islet Mass by Positron Emission Tomography (PET)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01552811
Recruitment Status : Completed
First Posted : March 13, 2012
Last Update Posted : February 5, 2014
Information provided by (Responsible Party):
Per-Ola Carlsson, Uppsala University Hospital

Brief Summary:
This study investigates the hypothesis that differences in beta-cell mass in patients with diabetes and healthy individuals can be monitored by the positron emission tomography (PET) tracer [11C]5-hydroxytryptophane.

Condition or disease
Type 1 Diabetes

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Study Type : Observational
Actual Enrollment : 20 participants
Observational Model: Case Control
Time Perspective: Prospective
Official Title: Open Study to Investigate Pancreatic Islet Mass by Positron Emission Tomography Using the Tracer [11C]5-hydroxytryptophane
Study Start Date : March 2012
Actual Primary Completion Date : March 2013
Actual Study Completion Date : March 2013

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Diabetes Type 1

Type 1 diabetes
healthy controls

Primary Outcome Measures :
  1. Difference in pancreatic uptake of % injected dose (ID) [11]5-hydroxy tryptophan between healthy volunteers and patients with long-standing type 1 diabetes [ Time Frame: To be measured at Positron emission tomography investigation for all study persons. ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Probability Sample
Study Population
Adult, type 1 diabetic patients Healthy controls

Inclusion Criteria:

  • Adult patients with type 1 diabetes
  • Adult, healthy controls

Exclusion Criteria:

  • Pregnancy
  • Impaired renal function

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01552811

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Uppsala University Hospital
Uppsala, Sweden, SE-75185
Sponsors and Collaborators
Uppsala University Hospital
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Principal Investigator: Per-Ola Carlsson, MD, PhD Uppsala University Hospital

Publications automatically indexed to this study by Identifier (NCT Number):
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Responsible Party: Per-Ola Carlsson, Professor, Uppsala University Hospital Identifier: NCT01552811     History of Changes
Other Study ID Numbers: AS Dnr2011/439
First Posted: March 13, 2012    Key Record Dates
Last Update Posted: February 5, 2014
Last Verified: February 2014
Additional relevant MeSH terms:
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Diabetes Mellitus, Type 1
Diabetes Mellitus
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Autoimmune Diseases
Immune System Diseases