Behandlung von Endometriose mit dem GnRH-Agonisten Buserelin (Suprecur®): Eine multizentrische Studie

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A 6-month multicenter study of 430 women found that intranasal buserelin significantly reduced endometriosis lesions, hormonal levels, and clinical symptoms like dysmenorrhea and pelvic pain.

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This phase III multicentre study evaluated the effects of the GnRH agonist buserelin (Suprecur®) given as 3 × 300 μg intranasally daily for 6 months on endometriosis in patients recruited from five university women’s clinics, using pre- and post-treatment assessment of endometriotic lesion number, size, and location by pelviscopy/laparoscopy with diagnosis verified by light microscopy. Data from 430 of 452 patients were analyzed, and major baseline characteristics included frequent infertility/sterility concerns and substantial prior medical or surgical treatment; the paper reports that while gonadotropin and sex-steroid levels (FSH, LH, estradiol, progesterone) decreased, endometriosis stage distributions by the revised AFS classification shifted toward lower stages and symptoms such as dysmenorrhea and pelvic pain improved markedly. Reported limitations include the explicit reliance on rAFS staging changes over a relatively short treatment window (6 months) without detailing longer-term follow-up. This paper is centrally about endometriosis — it tests intranasal buserelin’s effects on lesion burden and clinical symptom improvement in a large phase III cohort.

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Abstract

A phase III multicentre study was carried out with the GnRH agonist buserelin (Suprecur) at five university institutions (Dept. of Obstetrics and Gynaecology of Essen, Kiel, Tübingen, Münster and Erlangen) to evaluate the effect of Buserelin (3 x 300 micrograms daily intranasal) on endometriosis for a period of 6 months. Endometriosis was verified by light microscopy in all cases. The data of 430 patients could be evaluated. The extent of the endometriotic lesions was studied before the start and at the end of therapy. The mean age of the patients was 30 +/- 5 years. For 300 patients (66.4%) sterility was a main problem. Previous treatment for endometriosis consisted of operation in 20.5%, treatment with danazol in 16.8% and treatment with gestagens in 11.6% of the patients. Under treatment FSH changed from 11.0 +/- 31.4 mIU/ml to 7.0 +/- 5.6 mIU/ml at the end of therapy; LH from 11.1 +/- 12.9 mIU/ml to 7.4 +/- 7.3 mIU/ml; estradiol from 113.9 +/- 89.0 to 35.9 +/- 60.3 pg/ml and progesterone from 7.2 +/- 11.2 ng/ml to 0.8 +/- 1.4 ng/ml. The effect on endometriosis was judged according to the revised American Fertility Society score (rAFS 1985). The changes of the rAFS-score stages were as follows (before/after therapy): Stage 0: 0%/42.8%; stage I: 43.5%/38.5%; stage II: 31.1%/11.2%; stage III: 18.1%/2.2%; stage IV: 6.3%/0.2%. The total mean AFS-stage changed from 1.9 to 0.7. The frequency of clinical symptoms improved (before/after therapy): dysmenorrhoea 65.0%/11.2%; pelvic pain 48.2%/14.1%; pain at the time of gynaelogical examination 40.0%/9.7%.(ABSTRACT TRUNCATED AT 250 WORDS)
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Subscribe to RSS DOI: 10.1055/s-2007-1022341 Behandlung von Endometriose mit dem GnRH-Agonisten Buserelin (Suprecur®): Eine multizentrische Studie Treatment of Endometriosis with the GnRH Agonist Buserelin (Suprecur®): A Multicentric StudyPublication History Publication Date: 18 March 2008 (online) Zusammenfassung Eine multizentrische Studie der Phase III wurde mit dem GnRH-Agonisten Buserelin (Suprecur®) in fünf Universitätsfrauenkliniken (Essen, Kiel, Tübingen, Münster und Erlangen) durchgeführt, um die Wirkung von Buserelin (3 × 300 μg täglich intranasal) auf die Endometriose über einen Zeitraum von 6 Monaten zu untersuchen. Anzahl, Größe und Lokalisation der Endometriose-Implantate wurde vor Beginn und am Ende der Therapie mittels Pelviskopie/Laparoskopie ermittelt. Die Diagnose Endometriose wurde bei allen Patientinnen mikroskopisch verifiziert. Von 452 Patientinnen standen die Daten zur Verfügung, 430 davon konnten ausgewertet werden. Das Alter der Patientinnen betrug im Mittel 30 (± 5) Jahre. Bei 300 Frauen (66,4%) lag eine Sterilitätsproblematik vor. Eine medikamentöse Therapie hatten 16,8% mit Danazol und 11,6% mit Gestagenen erhalten, chirurgisch behandelt waren bereits 38,1 %. Unter der Behandlung veränderte sich FSH von 11,0 ± 31,4mE/ml auf 7,0 ± 5,6mE/ml am Ende der Behandlung; LH von 11,1 ± 12,9 mE/ml auf 7,5 ± 7,3 mE/ml; Östradiol von 113,9 ± 89,0 pg/ml auf 35,9 ± 60,3 pg/ml und Progesteron von 7,2 ± 11,2 ng/ml auf 0,8 ± l,4 ng/ml. Die Wirkung auf die Endometriose wurde entsprechend der revidierten Amerikanischen Fertility Society Klassifikation (rAFS) vorgenommen (1). Dabei wurden folgende Veränderungen festgestellt (jeweils vor/nach der Behandlung): Stadium 0: 0%/42,8%; Stadium I: 43,5%/38,5%; Stadium II: 31,1 %/ll,2%; Stadium III: 18,1%/2,2%; Stadium IV: 6,3%/0,2%. Die Häufigkeit der Symptome änderte sich unter der Behandlung wie folgt: Dysmenorrhö 65,0 %/11,2 %; Unterbauchschmerzen 48,2%/14,l %; Schmerzen bei der gynäkologischen Untersuchung 40,0%/9,7%. An Nebenwirkungen wurden registriert: Hitzewallungen in 61,7% aller Fälle, Kopfschmerzen in 20,0%, Scheidentrockenheit in 17,9%, Schlaflosigkeit in 17,5%, Verminderung der Libido in 7,9%, Übelkeit in 6,3%, Depressionen in 6,3%, und Brustatrophie in 5,6%. 26 Laborparameter, vor und am Ende der Therapie bestimmt, blieben innerhalb des Normwertbereiches. Es kam zu einem signifikanten Anstieg des HDL, das HDL/LDL Verhältnis verbesserte sich. Insgesamt zeigt diese große klinische Studie die Wertigkeit und Wirkung von nasal appliziertem Buserelin für die medikamentöse Behandlung der Endometriose und die effektive Behebung der klinischen Symptome. Abstract A phase III multicentre study was carried out with the GnRH agonist buserelin (Suprecur®) at five university institutions (Dept. of Obstetrics and Gynaecology of Essen, Kiel, Tübingen, Münster and Erlangen) to evaluate the effect of Buserelin (3 × 300 μg daily intranasal) on endometriosis for a period of 6 montbs. Endometriosis was verified by light microscopy in all cases. The data of 430 patients could be evaluated. The extent of the endometriotic lesions was studied before the start and at the end of therapy. The mean age of the patients was 30 ± 5 years. For 300 patients (66.4%) sterility was a main problem. Previous treatment for endometriosis consisted of operation in 20.5 %, treatment with danazol in 16.8% and treatment with gestagens in 11.6% of the patients. Under treatment FSH changed from 11.0 ± 31.4mIU/ml to 7.0 ± 5.6 mIU/ml at the end of therapy; LH from 11.1 ± 12.9 mIU/ml to 7.4 ± 7.3 mIU/ml; estradiol from 113.9 ± 89.0 to 35.9 ± 60.3 pg/ml and progesterone from 7.2 ± 11.2 ng/ml to 0.8 ± 1.4 ng/ml. The effect on endometriosis was judged according to the revised American Fertility Society score (rAFS 1985)1. The changes of the rAFS-score stages were as follows (before/after therapy): Stage 0: 0%/42.8%; stage I: 43.5%/38.5%; stage II: 31.1 %/11.2%; stage III: 18.1 %/2.2%; stage IV 6.3%/0.2%. The total mean AFS-stage changed from 1.9 to 0.7. The frequency of clinical symptoms improved (before/after therapy): dysmenorrhoea 65.0%/11.2%; pelvic pain 48.2%/14.1 %; pain at the time of gynaelogical examination 40.0%/ 9.7%. The following side effects were recorded: hot flashes 61.7% of all cases, headache in 20.0%, vaginal dryness in 17.9%, sleeplesness in 17.5%, decrease of libido in 7.9%, gastrointestinal discomfort in 6.3%, depression in 6.3 % and breast atrophy in 5.6%. 26 safety parameters remained within the normal range. It is notewothy that a significant increase in HDL-cholesterol was observed as well as a rise of the HDL/LDH ratio. This large-scale clinical study demonstrates the value and effectiveness of Buserelin intranasal spray for the reduction of endometriotic lesions and effective ameloriation of clinical symptoms.

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Condition tags

endometriosisdysmenorrhea

MeSH descriptors

Buserelin Endometriosis Administration, Intranasal Adolescent Adult Buserelin Buserelin Cholesterol, HDL Cholesterol, HDL Cholesterol, LDL Cholesterol, LDL Dose-Response Relationship, Drug Drug Administration Schedule Endometriosis Endometriosis Endometriosis Estradiol Estradiol Female Follicle Stimulating Hormone

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