Substrate Metabolism and Insulin Sensitivity in Acromegalic Patients Before and After Treatment

This study is currently recruiting participants. (see Contacts and Locations)
Verified December 2014 by University of Aarhus
Aarhus University Hospital
Information provided by (Responsible Party):
University of Aarhus Identifier:
First received: March 26, 2008
Last updated: December 2, 2014
Last verified: December 2014
The purpose of this study is to investigate the effects of chronic elevated growth hormone on metabolism and insulin sensitivity by studying acromegalic patients before and after treatment.

Condition Intervention
Excessive Growth Hormone Secretion
Insulin Resistance
Procedure: Transsphenoidal adenomectomy

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Substrate Metabolism and Insulin Sensitivity in Acromegalic Patients Before and After Treatment

Resource links provided by NLM:

Further study details as provided by University of Aarhus:

Primary Outcome Measures:
  • Insulin sensitivity [ Time Frame: Before and after treatment ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • QoL, body composition, intrahepatic and intramyocellular fat, substrate metabolism, Glucose tolerance [ Time Frame: Before and after treatment ] [ Designated as safety issue: No ]

Biospecimen Retention:   Samples Without DNA
Whole blood, serum, muscle samples, fat samples

Estimated Enrollment: 20
Study Start Date: February 2008
Estimated Study Completion Date: January 2016
Estimated Primary Completion Date: August 2015 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
Patients recently diagnosed with acromegaly
Procedure: Transsphenoidal adenomectomy


Ages Eligible for Study:   18 Years to 70 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patiens recently diagnoses with acromegaly, recruited from the clinic

Inclusion Criteria:

  • Written consent
  • Age between 18 and 70
  • Recently diagnosed with acromegaly

Exclusion Criteria:

  • NYHA 3
  • Uncontrolled hypertension
  • Known cerebrovascular disease
  • Proliferative retinopatia
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00647179

Contact: Jens Otto L. Jørgensen, Professor MD 89492025 ext +45
Contact: Michael Madsen, MD 89492171 ext +45

Department of Endocrinology, Aarhus University Hospital Recruiting
Aarhus C, Aarhus, Denmark, DK-8000
Principal Investigator: Jens Otto L. Jørgesen, Professor MD         
Sub-Investigator: Michael Madsen, MD         
Sponsors and Collaborators
University of Aarhus
Aarhus University Hospital
Principal Investigator: Jens Otto L. Jørgensen, Professor MD Aarhus University Hospital, Department of Endocrinology
  More Information

Responsible Party: University of Aarhus Identifier: NCT00647179     History of Changes
Other Study ID Numbers: MM-ISA-20070130  M-20070130 
Study First Received: March 26, 2008
Last Updated: December 2, 2014
Health Authority: Denmark: The Danish National Committee on Biomedical Research Ethics
Denmark: The Regional Committee on Biomedical Research Ethics
Denmark: Danish Dataprotection Agency

Keywords provided by University of Aarhus:
Growth Hormone
Insulin resistance
Glucose tolerance
Body Composition
Substrate metabolism

Additional relevant MeSH terms:
Insulin Resistance
Bone Diseases
Bone Diseases, Endocrine
Brain Diseases
Central Nervous System Diseases
Endocrine System Diseases
Glucose Metabolism Disorders
Hypothalamic Diseases
Metabolic Diseases
Musculoskeletal Diseases
Nervous System Diseases
Pituitary Diseases processed this record on May 26, 2016