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Hypoparathyroidism in Denmark (HypoPT)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01498341
Recruitment Status : Completed
First Posted : December 23, 2011
Last Update Posted : July 1, 2014
Information provided by (Responsible Party):
University of Aarhus

Brief Summary:
The purpose of this study is to identify the number of persons in Denmark with the diagnose hypoparathyroidism, autosomal dominant hypocalcaemia or pseudohypoparathyroidism. Also the investigators want to identify the causes and symptoms of these patients and their prognosis.

Condition or disease

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Study Type : Observational
Actual Enrollment : 1000 participants
Official Title: Hypoparathyroidism, Autosomal Dominant Hypocalcaemia and Pseudohypoparathyroidism in Denmark - Epidemiology, Causes, Symptoms and Prognoses
Study Start Date : August 2011
Actual Primary Completion Date : May 2012
Actual Study Completion Date : May 2012

Primary Outcome Measures :
  1. Frequency of hypoparathyroidism, pseudohypoparathyroidism and autosomal dominant hypocalcaemia and its consequences [ Time Frame: One year ]

    The frequency of hypoparathyroidism, pseudohypoparathyroidism and autosomal dominant hypocalcaemia. The frequence is estimated via the National Danish Health Register.

    The prevalence of kidney-, cardiovascular- and neuropsychiatric disease, fertility, hospitalization required hypo- or hypercalcaemia, overall number of hospitalizations and mortality.

Biospecimen Retention:   None Retained
2 designs: Case-finding; Case-control

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Older Adult
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

The study population are persons with hypoparathyroidism, automalt dominant hypocalcaemia and pseudohypoparathyroidism.

The population is selected via the National Danish Health Registre and the Danish Medical Registre


Inclusion Criteria for the case-control-study:

  • Idiopathic hypoparathyroidism
  • Pseudohypoparathyroidism
  • Autosomal dominant hypocalcaemia

Exclusion Criteria for the case-control-study:

  • Chronic kidney insufficience (creatinine above 200 umol/l)

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01498341

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Department of Internal Medicine and Endocrinology, Aarhus University Hospital, Tage-Hansens Gade
Aarhus, Region Midt, Denmark, 8000
Sponsors and Collaborators
University of Aarhus
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Principal Investigator: Lars Rejnmark, DmSci, PhD Aarhus University Hospital

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Responsible Party: University of Aarhus Identifier: NCT01498341     History of Changes
Other Study ID Numbers: M-20110074
First Posted: December 23, 2011    Key Record Dates
Last Update Posted: July 1, 2014
Last Verified: January 2013

Keywords provided by University of Aarhus:

Additional relevant MeSH terms:
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Parathyroid Diseases
Endocrine System Diseases
Bone Diseases, Metabolic
Bone Diseases
Musculoskeletal Diseases
Metal Metabolism, Inborn Errors
Metabolism, Inborn Errors
Genetic Diseases, Inborn
Metabolic Diseases
Calcium Metabolism Disorders