Effect of Naltrexone on Counterregulatory Mechanisms in Hypoglycemia

This study is currently recruiting participants.
Verified October 2011 by Yale University
Sponsor:
Collaborator:
Information provided by (Responsible Party):
Robert Sherwin, Yale University
ClinicalTrials.gov Identifier:
NCT01462227
First received: October 26, 2011
Last updated: October 28, 2011
Last verified: October 2011

October 26, 2011
October 28, 2011
August 2011
August 2012   (final data collection date for primary outcome measure)
Hormone Levels [ Time Frame: 240 minutes ] [ Designated as safety issue: No ]
Glucagon and catecholamine levels will be measured throughout the study to assess whether there are changes during hypoglycemia with naltrexone. These levels will be checked every 30 minutes during the 240 minute study session.
Same as current
Complete list of historical versions of study NCT01462227 on ClinicalTrials.gov Archive Site
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Effect of Naltrexone on Counterregulatory Mechanisms in Hypoglycemia
The Effect of Opiate Blockade With Naltrexone on Counterregulatory Mechanisms in Hypoglycemia

Insulin treatment often causes the blood glucose levels to fall too low. The body usually responds to low blood glucose levels by releasing hormones which act against the insulin to help correct the low blood glucose levels. However, this hormone response can be altered in people with diabetes. Currently there are no therapeutic agents that can be used to improve the recovery from hypoglycemia (low blood sugar). Naltrexone is a tablet used to help people who are addicted to alcohol or morphine-based drugs to remain drug and alcohol-free but it can also affect the levels of the hormones which are released during hypoglycemia. The aim of this study is to determine whether naltrexone can be used to improve and accelerate the recovery from hypoglycemia in patients with type 1 diabetes.

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Interventional
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Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Crossover Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Hypoglycemia
Drug: Naltrexone
Naltrexone 100mg for two administrations.
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruiting
15
August 2013
August 2012   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • type 1 diabetes (well controlled, 2-3 hypoglycemic episodes/wk) age 18-55, BMI 18-35

Exclusion Criteria:

  • pregnancy
  • significant diabetes complications
  • liver disease, cirrhosis
  • cardiac disease
  • neurological disorder
  • autonomic neuropathy
  • kidney disease
  • lactose intolerance
Both
18 Years to 55 Years
No
Contact: Renata Belfort de Aguiar, MD 203-785-6222 glucose.studies@yale.edu
Contact: Sarita Naik, MD 203-785-6222 glucose.studies@yale.edu
United States
 
NCT01462227
HIC1006006927
No
Robert Sherwin, Yale University
Yale University
National Institutes of Health (NIH)
Principal Investigator: Robert Sherwin, MD Yale School of Medicine
Yale University
October 2011

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP