Status:

TERMINATED

Diabetes/ Endocrine Surveillance in SDS

Lead Sponsor:

Washington University School of Medicine

Collaborating Sponsors:

Shwachman Diamond Syndrome Foundation

Barnes-Jewish Hospital

Conditions:

Shwachman-Diamond Syndrome

Eligibility:

All Genders

3+ years

Brief Summary

Shwachman-Diamond syndrome(SDS) is a rare autosomal recessive disorder involving primarily the Shwachman-Bodian-Diamond syndrome gene located on chromosome 7q11. The gene effects function of the 60S r...

Detailed Description

The purpose of the study is to learn about how common early onset diabetes and other endocrine issues occur in people who have been diagnosed with SDS. Study procedures include: For participants wit...

Eligibility Criteria

Inclusion

  • Inclusion Criteria:
  • Population 1: SDS and non-diabetic
  • Age: 3 years of age and older to allow for baseline blood to be drawn. The Cystic Fibrosis group has seen glucose abnormalities well before age 10 but recommends screening after age 10. Investigators are attempting to define the population and will screen starting at age 3 to get a baseline data set.
  • Willing to provide consent/ assent
  • Stable health in the last month- i.e. not hospitalized/ ill in the last 6 weeks
  • Patients should have been on stable medications for at least 4 weeks prior to testing - This includes neupogen and other white cell stimulators.
  • Classic SBDS mutation with pancreatic insufficiency as determined by medical history.
  • Able/willing to have a standard OGTT and modified OGTT
  • Able/ willing to wear a Libre- Pro sensor and have sensor returned. If not willing to wear CGM- willing to do a standard OGTT as described.
  • Not currently on diabetic therapy or labeled as diabetic.
  • Willing to complete a health survey in regard to the SBDS and endocrine History
  • Population 2: SDS and Labeled as diabetic
  • Age greater than 3
  • If labeled as diabetic - obtain data for age of onset and treatment utilized for the diabetes
  • Willing to provide consent/ assent and complete health survey for SBDS and endocrine history
  • Willing/able to wear 14 day blinded Libre-Pro to assess the response to current therapy and food diary.
  • Willing to provide Fasting labs as outlined above for the group- no OGT, just the mixed meal tolerance test
  • Population 1 and 2 Future Sub-study: Assess alpha cell and insulin dynamic response
  • Participant in primary study who agree to the sub-study
  • Willing to travel to St. Louis for clamp procedure.
  • Budget will determine the actual number to be screened.
  • Travel will be included.
  • Population 3: Control groups
  • Other control groups for the study will be age matched population norms, Cystic Fibrosis patients associated pancreatic insufficiency known or treated diabetes.

Exclusion

    Key Trial Info

    Start Date :

    January 10 2020

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ACTUAL

    End Date :

    December 30 2022

    Estimated Enrollment :

    11 Patients enrolled

    Trial Details

    Trial ID

    NCT04275479

    Start Date

    January 10 2020

    End Date

    December 30 2022

    Last Update

    August 19 2024

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Washington University

    St Louis, Missouri, United States, 63110