Burden of illness in not adequately controlled chronic hypoparathyroidism: Findings from a 13-country patient and caregiver survey

Heide Siggelkow, Bart L. Clarke, John Germak, Claudio Marelli, Kristina Chen, Helen Dahl-Hansen, Elizabeth Glenister, Nawal Bent-Ennakhil, Davneet Judge, Katie Mycock, Jens Bollerslev

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Objective: To address knowledge gaps regarding burdens associated with not adequately controlled chronic hypoparathyroidism. Design: Global patient and caregiver survey. Study Populations: Patients with chronic hypoparathyroidism not adequately controlled on conventional therapy and their caregivers. Measurements: Health-related quality of life (HRQoL) and health status were evaluated using the 36-item Short Form version 2 (SF-36 v2.0) and Five-Level EuroQoL 5 Dimensions (EQ-5D-5L) instruments, respectively. Hypoparathyroidism-associated symptoms were assessed by a disease-specific Hypoparathyroidism Symptom Diary and caregiver burden via the Modified Caregiver Strain Index (MCSI). Results: Data were obtained from 398 patients and 207 caregivers. Patients' self-rated hypoparathyroidism-related symptom severity was none (3%), mild (32%), moderate (53%) or severe (12%). Per the Hypoparathyroidism Symptom Diary, patients reported moderate, severe or very severe symptoms of physical fatigue (73%), muscle cramps (55%), heaviness in limbs (55%) and tingling (51%) over a 7-day recall period. Impacts (rated ‘somewhat’ or ‘very much’) were reported by 84% of patients for ability to exercise, 78% for sleep, 75% for ability to work and 63% for family relationships. Inverse relationships were observed between patient self-rated overall symptom severity and HRQoL and health status assessment scores—the greater the symptom severity, the lower the SF-36 and EQ-5D-5L scores. Caregiver burden increased with patient self-rated symptom severity: none, 1.7 MCSI; mild, 5.4 MCSI; moderate, 9.5 MCSI; and severe, 12.5 MCSI. Conclusion: Patients with not adequately controlled hypoparathyroidism reported substantial symptoms and impacts. Greater patient symptom severity was associated with decreased patient HRQoL and health status assessments and increased caregiver burden.

Original languageEnglish (US)
Pages (from-to)159-168
Number of pages10
JournalClinical Endocrinology
Volume92
Issue number2
DOIs
StatePublished - Feb 1 2020

Keywords

  • caregiver
  • health status
  • hypoparathyroidism
  • parathyroid hormone
  • patient
  • quality of life
  • surveys and questionnaires

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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