Observational study in adult hypopituitary patients with untreated growth hormone deficiency (ODA study). Socio-economic impact and health status. Collaborative ODA (Observational GH Deficiency in Adults) Group.

OBJECTIVE: The aim of the present study was to assess the socio-economic impact at baseline and after one year of follow-up of clinical and health status characteristics and laboratory tests of adult-onset GH deficiency (AGHD), a well-known clinical entity, in a large group of Spanish hypopituitary patients with untreated AGHD.

DESIGN AND METHODS: A total of 926 eligible patients with GHD (GH </= 5 ng/ml after stimulation) and at least one further pituitary hormone deficiency were retrospectively studied; 356 of these were followed for one year. Complete physical examination, IGF-I, lipid and routine biochemistry measurements and health-related quality of life (HRQoL) with the specific QoL-Assessment of Growth Hormone Deficiency in Adults (AGHDA) questionnaire were assessed at baseline and at 12 months in the prospective study. Health status and health-economic evaluation were measured by a specific questionnaire and a patient diary and compared with Spanish population study results.

RESULTS: Clinical characteristics and laboratory tests of AGHD showed a higher incidence of cardiovascular risk factors and mortality compared with the general population (hypercholesterolaemia in 29% vs 18% and hypertension in 22.1% vs 14. 9%). QoL-AGHDA scores for patients were significantly worse (P<0.01) and direct health costs were higher than in the general population.

CONCLUSIONS: Hypopituitary GHD adults had more cardiovascular risk factors, higher mortality, worse HRQoL and higher absolute health costs than the general population in Spain.