Donnez J, Dewart PJ, Hedon B, Perino A, Schindler AE, Blumberg J, Querleu D. Equivalence of the 3-month and 28-day formulations of triptorelin with regard to achievement and maintenance of medical castration in women with endometriosis.
Fertil Steril 2004;
81:297-304. [PMID:
14967363 DOI:
10.1016/j.fertnstert.2003.07.013]
[Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2003] [Revised: 07/03/2003] [Accepted: 07/03/2003] [Indexed: 11/24/2022]
Abstract
OBJECTIVE
The present study aims at demonstrating the equivalence of the 28-day and 3-month formulations of triptorelin SR (sustained release) in terms of percentage of patients achieving castration levels of estradiol (<==50 pg/mL) 84 days after treatment initiation.
DESIGN
A phase II, prospective, randomized, multicenter, open study was conducted in two parallel groups of women with endometriosis.
SETTING
Academic hospitals.
PATIENT(S)
Seventy-two women with endometriosis. were treated with a single intramuscular injection of 3-month triptorelin SR, and 74 patients were treated with one intramuscular injection of 28-day triptorelin SR every 28 days for 3 months.
INTERVENTION(S)
As part of two parallel treatment groups, 72 women were given a single intramuscular injection of 3-month triptorelin SR, and 74 women were given one intramuscular injection of 28-day triptorelin SR every 28 days for 3 months.
MAIN OUTCOME MEASURE(S)
Percentage of patients achieving castration levels of estradiol at the end of the treatment period.
RESULT(S)
Patients participated in the study until resumption of menses. Ninety-seven percent of patients given the 3-month formulation and 94% of those given the 28-day formulation were in a state of medical castration on day 84. The mean time to achieve castration was shorter for the 3-month formulation, and the duration of castration was significantly longer. The FSH and LH parameters were comparable, though not always identical.
CONCLUSION(S)
The pharmacodynamic effects of the Decapeptyl SR 3-month formulation are equivalent to those of the 28-day formulation. The 3-month formulation provides the added advantage of a longer maintenance of medical castration in women who have endometriosis.
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