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This is a pilot study evaluating the effect of a simplified low-cost (friendly) controlled ovarian stimulation using clomiphene citrate, letrozole, and Corifollitropin Alfa on the number of oocytes retrieved.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| COOL-COS | Experimental | All women will receive Letrozole, Clomiphene, and Corifollitropin Alfa for controlled ovarian stimulation |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| COOL-COS | Drug | Controlled ovarian stimulation will start on the second or third day of a menstrual cycle: Oral clomiphene citrate: 100 mg/day until the day of the triggering. Oral letrozole: 7.5 mg/day during the first 5 days of the controlled ovarian stimulation. Corifollitropin Alfa: 100 mcg on the 3rd day of the controlled ovarian stimulation. The triggering will be performed using leuprorelin 1 mg (subcutaneous). |
| Measure | Description | Time Frame |
|---|---|---|
| Number of oocytes retrieved | 20 days |
| Measure | Description | Time Frame |
|---|---|---|
| Number of embryos | 25 days | |
| Ovarian hyperstimulation syndrome | 2 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Setor de Reprodução Humana - HC-FMRP-USP | Ribeirão Preto | São Paulo | 14048-900 | Brazil |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23250342 | Background | Figueiredo JB, Nastri CO, Vieira AD, Martins WP. Clomiphene combined with gonadotropins and GnRH antagonist versus conventional controlled ovarian hyperstimulation without clomiphene in women undergoing assisted reproductive techniques: systematic review and meta-analysis. Arch Gynecol Obstet. 2013 Apr;287(4):779-90. doi: 10.1007/s00404-012-2672-0. Epub 2012 Dec 19. | |
| 24348019 |
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| ID | Term |
|---|---|
| D007246 | Infertility |
| ID | Term |
|---|---|
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
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| Hajishafiha M, Dehghan M, Kiarang N, Sadegh-Asadi N, Shayegh SN, Ghasemi-Rad M. Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome. Drug Des Devel Ther. 2013 Dec 3;7:1427-31. doi: 10.2147/DDDT.S50972. eCollection 2013. |
| 23543584 | Background | Martins WP, Vieira AD, Figueiredo JB, Nastri CO. FSH replaced by low-dose hCG in the late follicular phase versus continued FSH for assisted reproductive techniques. Cochrane Database Syst Rev. 2013 Mar 28;2013(3):CD010042. doi: 10.1002/14651858.CD010042.pub2. |
| 24182414 | Background | Seko LM, Moroni RM, Leitao VM, Teixeira DM, Nastri CO, Martins WP. Melatonin supplementation during controlled ovarian stimulation for women undergoing assisted reproductive technology: systematic review and meta-analysis of randomized controlled trials. Fertil Steril. 2014 Jan;101(1):154-161.e4. doi: 10.1016/j.fertnstert.2013.09.036. Epub 2013 Oct 29. |
| 25302750 | Background | Nastri CO, Teixeira DM, Moroni RM, Leitao VM, Martins WP. Ovarian hyperstimulation syndrome: pathophysiology, staging, prediction and prevention. Ultrasound Obstet Gynecol. 2015 Apr;45(4):377-93. doi: 10.1002/uog.14684. Epub 2015 Mar 1. |