Document Detail

Lipodystrophy in patients with acromegaly receiving pegvisomant.
MedLine Citation:
PMID:  18611977     Owner:  NLM     Status:  MEDLINE    
CONTEXT: Pegvisomant, a GH receptor antagonist, suppresses serum IGF-I levels into the normal range in more than 95% of patients with acromegaly. Documented side effects in the initial registration studies included headache, injection-site reactions, flu-like syndrome, and reversible elevation of hepatic enzymes. OBJECTIVE: We report seven patients with acromegaly treated with pegvisomant who developed lipodystrophy at the site of injection (anterior abdominal wall, thigh, buttock, and upper arm). This side effect resulted in discontinuation of pegvisomant in four patients, with subsequent regression of lipohypertrophy. SUBJECTS: Six female and one male patient with acromegaly, aged 24-59 yr, are reported. All patients had undergone prior transsphenoidal surgery, and four received subsequent radiotherapy. Four patients had been treated with maximal doses of somatostatin analogs with partial suppression of IGF-I levels before initiation of pegvisomant therapy. Pegvisomant suppressed IGF-I levels into the normal range in five of seven subjects, before discontinuation of the drug. Two of seven patients received pegvisomant as first-line medical therapy, without prior somatostatin analog treatment, and one received combination therapy with a long-acting somatostatin analog and weekly pegvisomant injections. One patient experienced an erythematous superficial injection-site reaction that responded to application of steroid cream before the onset of lipohypertrophy. CONCLUSIONS: We report seven patients with acromegaly who developed lipohypertrophy at the pegvisomant injection site. Pegvisomant was discontinued due to dissatisfaction with lipohypertrophy by four patients. Lipohypertrophy regressed in all patients when the medication was discontinued. Lipohypertrophy recurred when two patients were rechallenged with pegvisomant. Patients receiving pegvisomant should undergo frequent examination of injection sites for lipohypertrophy.
Vivien S Bonert; Laurence Kennedy; Stephan Petersenn; Ariel Barkan; John Carmichael; Shlomo Melmed
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Publication Detail:
Type:  Case Reports; Evaluation Studies; Journal Article     Date:  2008-07-08
Journal Detail:
Title:  The Journal of clinical endocrinology and metabolism     Volume:  93     ISSN:  0021-972X     ISO Abbreviation:  J. Clin. Endocrinol. Metab.     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-09-05     Completed Date:  2008-10-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375362     Medline TA:  J Clin Endocrinol Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3515-8     Citation Subset:  AIM; IM    
Department of Medicine, Cedars-Sinai Medical Center, David Geffen School of Medicine at University of California, Los Angeles, California 90048, USA.
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MeSH Terms
Acromegaly / drug therapy*
Carrier Proteins / antagonists & inhibitors
Human Growth Hormone / adverse effects,  analogs & derivatives*,  therapeutic use
Lipodystrophy / chemically induced*
Middle Aged
Sex Characteristics
Somatostatin / analogs & derivatives
Reg. No./Substance:
0/Carrier Proteins; 0/pegvisomant; 0/somatotropin-binding protein; 12629-01-5/Human Growth Hormone; 51110-01-1/Somatostatin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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