Effect of a six-month treatment with lanreotide on cardiovascular risk factors and arterial intima-media thickness in patients with acromegaly.
OBJECTIVE: To evaluate the effect of a 6-month treatment with slow-release lanreotide (LAN) on cardiovascular risk and atherosclerosis in 24 normotensive patients with active acromegaly (GH=67.4 +/- 12.6 mU/l, IGF--I=866.0 +/- 55.8 microg/l) and 24 healthy subjects sex-, age- and body mass index-matched with the patients (as controls). DESIGN: Open, prospective, multicenter. METHODS: The following were measured before and after 6 months of LAN treatment (dose 60-90 mg/month): fasting GH, IGF-I, LDL, HDL and total cholesterol, triglyceride, glucose, glycosylated hemoglobin, insulin and fibrinogen levels, intima-media thickness (IMT) and blood systolic and diastolic peak velocity (SPV and DPV respectively) in both common carotids. RESULTS: At study entry, insulin, total and LDL cholesterol, triglyceride and fibrinogen levels were higher while HDL cholesterol levels were lower in patients than in controls. At the right (0.88 +/- 0.04 vs 0.77 +/- 0.03 mm, P=0.05) and left (0.93 +/- 0.03 vs 0.78 +/- 0.02 mm, P=0.01) common carotid IMT was significantly higher in patients than in controls; 12 patients and two controls showed an IMT of > or = 1 mm (chi(2)=8.2, P=0.004). After 6 months of LAN treatment, disease control was achieved in 15 patients (62.5%). Insulin, triglyceride and fibrinogen levels were significantly decreased, and a trend toward a decrease of IMT in the right (from 0.90 +/- 0.05 to 0.78 +/- 0.04 mm, P=0.06) and left (from 0.95 +/- 0.04 to 0.84 +/- 0.04 mm, P=0.06) common carotid arteries was observed only in patients with disease control, while SPV and DPV did not change. CONCLUSIONS: LAN treatment for 6 months significantly lowered GH, IGF-I, insulin and fibrinogen levels and reduced IMT of both common carotid arteries in normotensive patients with acromegaly.[1]References
- Effect of a six-month treatment with lanreotide on cardiovascular risk factors and arterial intima-media thickness in patients with acromegaly. Colao, A., Marzullo, P., Lombardi, G. Eur. J. Endocrinol. (2002) [Pubmed]
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