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Horacio Croxatto

University of Chile

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Publication

Featured researches published by Horacio Croxatto.

American Journal of Obstetrics and Gynecology | 1969

Fertility control in women with a progestogen released in microquantities from subcutaneous capsules.

Horacio Croxatto; Soledad Diaz; Ruth Vera; Martín Etchart; Pablo Atria

Abstract Silastic capsules containing megestrol acetate (MA) were implanted subcutaneously in 97 women. Two dosages were studied. There were 160 woman-months of experience for the first group, which had 3 capsules and 595 for the second group, having 4 capsules. There were 5 pregnancies in the first and 4 in the second group. According to indirect signs, approximately 90 per cent of the cycles studied were ovulatory. It appears that the site(s) of action is peripheral to the ovary. Although abnormal bleeding did occur in approximately 30 per cent of the cycles, there were no serious complications associated with the method. The contraceptive effect of a silastic implant containing MA has been demonstrated for the first time in humans.

Archive | 2015

Original research article A dose-finding, cross-over study to evaluate the effect of a Nestorone®/Estradiol transdermal gel delivery on ovulation suppression in normal ovulating women ☆

Vivian Brache; Ruth Merkatz; Narender Kumar; Cristián Jesam; Heather Sussman; Elena Hoskin; Kevin Roberts; Mohcine Alami; DeShawn Taylor; Aidelis Jorge; Horacio Croxatto; Ellen Lorange; Daniel R. Mishell; Regine Sitruk-Ware

Archive | 2014

Original research article A randomized study on pharmacodynamic effects of vaginal rings delivering the progesterone receptor modulator ulipristal acetate: research for a novel estrogen-free, method of contraception ☆,☆☆,★,★★,☆☆☆,★★★,☆☆☆☆

Yongmei Huang; Jeffrey T. Jensen; Vivian Brache; Leila Cochon; Alistair Williams; Maria-José Miranda; Horacio Croxatto; Narender Kumar; Heather Sussman; Elena Hoskin; Marlena Plagianos; Kevin Roberts; Ruth Merkatz; Diana L. Blithe; Regine Sitruk-Ware

Archive | 2013

Original research article Ulipristal acetate prevents ovulation more effectively than levonorgestrel: analysis of pooled data from three randomized trials of emergency contraception regimens ☆

Vivian Brache; Leila Cochon; Maëva Deniaud; Horacio Croxatto

Archive | 2012

Original research article Effects of a novel estrogen-free, progesterone receptor modulator contraceptive vaginal ring on inhibition of ovulation, bleeding patterns and endometrium in normal women

Vivian Brache; Regine Sitruk-Ware; Alistair Williams; Diana L. Blithe; Horacio Croxatto; Narender Kumar; Sushma Kumar; Yun-Yen Tsong; Irving Sivin; Anita Nath; Heather Sussman; Leila Cochon; Maria Jose Miranda; Verónica Reyes; Anibal Faundes; Daniel R. Mishell

Archive | 2011

Original research article Contraceptive efficacy of emergency contraception with levonorgestrel given before or after ovulation

Gabriela Noé; Horacio Croxatto; Ana Maria Salvatierra; Verónica Reyes; Claudio Villarroel; Carla Muñoz; Gabriela Morales; Anita Retamales

Archive | 2005

Original research article Extended use of a progesterone-releasing vaginal ring in nursing women: a phase II clinical trial

Rebeca MassaiT; Eliana Quinteros; Roxana Caviedes; Ana Zepeda; Juan Carlos Montero; Horacio Croxatto

Archive | 2004

Original research article Two-year performance of a Nestorone-releasing contraceptive implant: a three-center study of 300 women

Irving Sivin; Horacio Croxatto; Luis Bahamondes; Vivian Brache; Francisco Alvarez; Rebeca Massai; Janet Schechter; Sirpa Ranta; Narender Kumar; Esther Wu; Ana Sofia Tejeda; Verónica Reyes; Elaine Travers; Arthur Allen; Alfred Moo-Young

Archive | 2004

Original research article Effect of intermittent treatment with mifepristone on bleeding patterns in Norplant implant users

Maria Rebeca Massai; Margarita Pavez; Blanca Fuentealba; Horacio Croxatto

Archive | 2001

Original research article Contraceptive efficacy and clinical performance of Nestorone implants in postpartum women

Soledad Diaz; Eliana Quinteros; C. Herreros; Ana Zepeda; Horacio Croxatto; Alfred Moo-Young

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Collaboration

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Soledad Diaz

University of Chile

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Vivian Brache

Rockefeller Foundation

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Narender Kumar

Population Council

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C. Herreros

Pontifical Catholic University of Chile

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Ana Maria Salvatierra

Eastern Virginia Medical School

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Heather Sussman

Population Council

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Regine Sitruk-Ware

Population Council

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Leila Cochon

State University of Campinas

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A. Brandeis

Pontifical Catholic University of Chile

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Alfred Moo-Young

Rockefeller University

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