Nafarelin vs. leuprolide acetate depot for endometriosis. Changes in bone mineral density and vasomotor symptoms. Nafarelin Study Group.

The Journal of reproductive medicine · 1997 · vol. 42(7) , pp. 413–23 · PMID:9252932 · W2403859374
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Nafarelin and leuprolide acetate depot were equally effective for endometriosis symptoms, but nafarelin resulted in less bone mineral density loss and fewer hot flushes.

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Abstract

OBJECTIVE: To compare intranasal nafarelin and intramuscular leuprolide acetate (LA) depot in the management of endometriosis. STUDY DESIGN: A multicenter, prospective, randomized, double-placebo, double-blind study was conducted on subjects who had symptoms and signs of endometriosis and bone mineral density (BMD) within the age-appropriate normal range. For 6 months, 99 subjects received nafarelin, 200 micrograms twice daily, and placebo injections once monthly; 93 subjects received LA depot injections, 3.75 mg once monthly, and placebo nasal spray, twice daily. Subjects were followed throughout treatment and for six months after treatment. The main outcome measures were changes in endometriosis symptoms and signs, BMD measurements, subject-reported and objectively measured hot flushes and circulating estradiol concentrations. RESULTS: Nafarelin was as effective as LA depot in alleviating symptoms and signs of endometriosis. LA depot recipients lost significantly more BMD, had more days with subjective hot flushes and more objectively measured hot flushes than did nafarelin recipients. In the nafarelin group, estradiol levels were consistently higher than in the leuprolide depot group, with significant differences by month 3 of dosing. CONCLUSION: Nafarelin and LA depot were equally effective despite higher estradiol levels in nafarelin recipients. Nafarelin-treated subjects lost less BMD, had fewer days with hot flushes and had fewer objectively measured hot flushes.

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Condition tags

endometriosis

MeSH descriptors

Bone Density Endometriosis Leuprolide Nafarelin Vasomotor System Adult Delayed-Action Preparations Double-Blind Method Endometriosis Endometriosis Estradiol Estradiol Female Humans Leuprolide Leuprolide Leuprolide Nafarelin Nafarelin Nafarelin

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Cited by (29)

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