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Effect of Formoterol on the Counterregulatory Hormonal Response to Hypoglycemia in Type 1 Diabetes.

This study is currently recruiting participants. (see Contacts and Locations)
Verified June 2013 by Yale University
Information provided by (Responsible Party):
Robert Sherwin, Yale University Identifier:
First received: September 1, 2010
Last updated: June 27, 2013
Last verified: June 2013

September 1, 2010
June 27, 2013
August 2010
August 2014   (final data collection date for primary outcome measure)
Hormone Levels [ Time Frame: 120 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 inhaled formoterol. These levels will be checked every 20 minutes during the 120 minute study session.
Same as current
Complete list of historical versions of study NCT01194479 on Archive Site
Blood glucose levels [ Time Frame: 5 minutes ] [ Designated as safety issue: Yes ]
Blood glucose levels will be checked every 5 minutes during the 120 minute study session in order to maintain blood glucose levels in the normal and hypoglycemic range.
Same as current
Not Provided
Not Provided
Effect of Formoterol on the Counterregulatory Hormonal Response to Hypoglycemia in Type 1 Diabetes.
The Effect of the Beta 2 Agonist, Formoterol, on Recovery From 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). The aim of this study is to determine whether a formoterol inhaler can be used to improve and accelerate the recovery from hypoglycemia in patients with type 1 diabetes.

15 subjects with well controlled type 1 diabetes and regular hypoglycemia and 15 healthy volunteers will be recruited for this study.

If you agree to participate in this study, you will be asked to participate in a screening at Yale New Haven Hospital. Each study subject will undergo two hypoglycemic clamp studies (a procedure where the blood sugar is closely regulated with intravenous insulin and glucose.) In these hypoglycemic clamp studies, the subject will be given an inhaler. On one visit the inhaler will contain formoterol capsules and on the other visit, the subject will be given 'dummy' capsules. Subjects will be required to be admitted to the HRU the night before the study so that glucose levels can be stabilized and hypoglycemia avoided.

Not Provided
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Crossover Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Type 1 Diabetes
Drug: Formoterol
Formoterol inhaler, 12mcg capsules, 4 capsules for one administration
Other Name: Foradil Aerolizer
Not Provided
Not Provided

*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
August 2014
August 2014   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • type 1 diabetes (well controlled, 2-3 hypoglycemic episodes/wk)
  • age 18-50
  • BMI 18-30

Exclusion Criteria:

  • pregnancy
  • significant diabetes complications
  • liver disease, cirrhosis
  • cardiac disease
  • neurological disorder
  • autonomic neuropathy
  • kidney disease
  • lactose intolerance
18 Years to 55 Years
Contact: Renata Belfort de Aguiar, MD 203-785-6222
United States
HIC1005006832, R37-20495
Robert Sherwin, Yale University
Yale University
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Principal Investigator: Robert Sherwin, MD Yale School of Medicine
Yale University
June 2013

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