A randomized comparison of the efficacy, side effects and patient convenience between vaginal and rectal administration of Cyclogest® when used for luteal phase support in ICSI treatment

In: Archives of Gynecology and Obstetrics · 2012 · vol. 286(4) , pp. 1049–1054 · doi:10.1007/s00404-012-2410-7 · W2015814524
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This study randomized 147 ICSI patients to receive Cyclogest vaginally or rectally, finding similar efficacy but different side effects and patient convenience between routes.

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This randomized study compared vaginal versus rectal administration of 400 mg Cyclogest (progesterone suppositories) for luteal phase support in 147 patients undergoing ICSI using an antagonist protocol. Participants were randomized on the day of embryo transfer to receive Cyclogest twice daily for up to 8 weeks, with clinical pregnancy assessed by pregnancy testing 2 weeks post-transfer and clinical pregnancy/abortion rates and luteal progesterone measured at 8 weeks’ gestation; acceptability and side effects were collected via questionnaires on day 14. Efficacy was similar between routes, with no significant differences in serum progesterone at 6 days after embryo transfer or in clinical pregnancy and abortion rates, and administration difficulty, overall discomfort, and leaking rates were also similar; however, perineal irritation was higher with vaginal use, while tenesmus and rectal itching were higher with rectal use. This paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Purpose This study compares the efficacy, side effects and patient convenience of vaginal and rectal routes of administration of progesterone suppositories (Cyclogest) when used for luteal phase support during in vitro fertilization cycles, through the use of antagonist protocols.

Methods

147 patients who underwent intra-cytoplasmic sperm injection cycle were randomized on the day of the embryo transfer (ET) by a computer-generated randomization program to receive 400 mg of Cyclogest either vaginally or rectally twice daily for up to 8 weeks. A pregnancy test was conducted 2 weeks after embryo transfer. If the pregnancy test was negative, the application was discontinued. On day 14th after embryo transfer, patient’s acceptability and side effects were assessed using a questionnaire which was given to the patients on the day of ET prior to performing the pregnancy test. The clinical pregnancy rate at the 8th week of gestation and the level of luteal progesterone were evaluated.

Results

There were no substantial differences in the demographics or other characteristics between the two groups. There were no significant differences in serum P concentration 6 days after ET, the clinical pregnancy and abortion rates. The difficulty of administration route, the discomforts experienced following administration, and the proportion leaking out on the 14th day were similar between the two groups. Significantly more patients administering the medication per vagina had perineal irritation (21.3 vs. 2.2 %). The prevalence of tenesmus (35.1 vs. 21.1 %) and rectal itching (26.7 vs. 2.8 %) were significantly more in rectal route.

Conclusions

This study demonstrates that the efficacy of Cyclogest is similar when administered via both the vaginal and rectal routes. Although their side effects differ, the ease of administration for patients and their preference are similar. Similar content being viewed by others

References

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Author information Authors and Affiliations Corresponding author Additional information Clinical Trail Registration ID: IRCT138807192568N1. Rights and permissions About this article Cite this article Aghsa, MM., Rahmanpour, H., Bagheri, M. et al. A randomized comparison of the efficacy, side effects and patient convenience between vaginal and rectal administration of Cyclogest® when used for luteal phase support in ICSI treatment. Arch Gynecol Obstet 286, 1049–1054 (2012). https://doi.org/10.1007/s00404-012-2410-7 Received: Accepted: Published: Issue date: DOI: https://doi.org/10.1007/s00404-012-2410-7

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