Assessing Insulin Sensitivity and Diabetes Risk in Childhood Cancer Survivors Treated With Abdominal Irradiation

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

42 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-09-22

Study Completion Date

2019-10-09

Brief Summary

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The purpose of this study is to better understand the risk factors and causes of diabetes in people who received radiation to the abdomen as children. The investigators hope this information will allow them to improve how they screen people at risk for diabetes and how they treat patients in the future.

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Detailed Description

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Conditions

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Childhood Cancer Survivors Treated With Abdominal Radiation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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treated < 20 years prior to study enrollment

The following information will be gathered:

A. Height, weight, waist circumference, blood pressure B. Oral glucose tolerance testing (OGTT) where in participants will ingest a standard oral glucose load (75 grams) in liquid formulation after an overnight fast. Blood samples for glucose and insulin concentrations will be taken at 0, 30, 60, 90, and 120 minutes post-glucose load.

C. Glutamic acid decarboxylase (GAD), islet cell (ICA-512), and insulin autoantibody (IAA) titers as well as serum adiponectin and hemoglobin A1c.

All enrolled patients will have a discussion with an LTFU doctor regarding the results of testing. Counseling and referral to a specialist will be provided if indicated.

No interventions assigned to this group

treated ≥ 20 years prior to study enrollment

The following information will be gathered:

A. Height, weight, waist circumference, blood pressure B. Oral glucose tolerance testing (OGTT) where in participants will ingest a standard oral glucose load (75 grams) in liquid formulation after an overnight fast. Blood samples for glucose and insulin concentrations will be taken at 0, 30, 60, 90, and 120 minutes post-glucose load.

C. Glutamic acid decarboxylase (GAD), islet cell (ICA-512), and insulin autoantibody (IAA) titers as well as serum adiponectin and hemoglobin A1c.

All enrolled patients will have a discussion with an LTFU doctor regarding the results of testing. Counseling and referral to a specialist will be provided if indicated.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of childhood cancer between 0-21 years of age
* Prior treatment with abdominal radiation at MSKCC
* Two or more years from completion of therapy
* Records of cancer diagnosis and treatment (including radiation records) available

Exclusion Criteria

* Known diagnosis of diabetes
* Previous treatment with any radiation impacting the brain (cranial radiation, craniospinal radiation, total body irradiation)
* Neurocognitive deficits that impair ability to give informed consent or assent
* Patients predicted to have difficult intravenous access, who will likely require multiple venipuncture attempts

Eligible Sex

ALL

Accepts Healthy Volunteers

No