Recombinant LH Prior to Ovarian Stimulation in Poor Ovarian Responders (PRE-LH)

STATUS

Recruiting
End date

May 31, 2023
participants needed

88
sponsor

Instituto Valenciano de Infertilidad, IVI Alicante

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Updated on 1 September 2021

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body mass index

luteinizing hormone

antral

ovarian stimulation

antral follicle count

Summary

Controlled ovarian stimulation (COS) is one of the first stages of assisted reproductive treatment. The goal is to mimic the ovarian cycle while stimulating the ovaries to overproduce eggs capable of being fertilized, thus maximizing the chances of reproductive success. The stimulation phase involves the use of different hormonal medications but requires tests to check the development of follicles, and hormonal adjustment to get the optimal ovarian response to stimulation.

However, between 9 to 24% of patients fail to respond adequately to standard stimulation protocols, resulting in Poor Ovarian Response (POR). In addition to the low oocyte production, POR results in a restricted number of good quality embryos with appropriate implantation potential, suggesting a compromised oocyte quality.

POR is one of the most challenging problems in reproductive medicine. Poor responders are difficult to treat since their response to stimulation tend to be deficient even when using different drugs or protocols. In recent years, different therapeutic alternatives have been proposed for these patients. However, to date, the optimal stimulation protocol has not yet been described and oocyte donation is often offered as their only option to achieve pregnancy.

Recently, evidence has emerged that supplementation with a specific hormone, luteinizing hormone (LH), during or prior to COS could lead to improved reproductive outcomes in poor responders by increasing the number of oocytes retrieved and improving their quality.

The present study aims to evaluate the effect of the treatment with LH prior to COS on the ovarian response in patients with POR and advanced maternal age, the worst prognosis but more frequent group of poor responders attending fertility clinics. We will assess whether LH treatment prior to COS increases the number and quality of oocytes retrieved in those patients and, finally, analyse the impact in their chances of getting pregnant and having a baby.

Details

Condition	Female infertility
Treatment	Pre-treatment with rLH (Luveris 75 IU),
Clinical Study Identifier	NCT03741699
Sponsor	Instituto Valenciano de Infertilidad, IVI Alicante
Last Modified on	1 September 2021

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Eligibility		Yes	No	Not Sure
Inclusion Criteria
	-Patients with POR according to specific criteria that are in line with the criteria defined by the ESHRE (Bologna Criteria), according to which a patient is classified as a poor ovarian responder when she meets two of the three of the following criteria: I.- Previous episode of POR (3 oocytes) with conventional stimulation protocol II.- Abnormal ovarian reserve test with an antral follicle count (AFC) <5-7 and/or anti-mullerian hormone values (AMH) <0.5-1.1 ng/mL
	III.- Women 40 years old and/or who have any other risk factor for POR. In
	addition, two episodes of POR after maximal stimulation are sufficient to
	define a patient as poor responder in the absence of advanced maternal age or
	abnormal ovarian reserve test
	\. - Women 35 to 43 years for COS and assisted reproduction techniques (ART)
	\. - Couple or single woman, accepting preimplantation genetic diagnosis
	(PGS) after blastocyst biopsy and delayed transfer for selection of euploid
	embryos
	\. - Body Mass Index (BMI) between18 and 30 kg/m 2 , inclusive
	\. - Ejaculatory sperm with concentration 5 mill spermatozoa/mL and 5 mill
	total spermatozoa progressive motility. Bank and cryopreserved semen allowed
	\. - Informed consent completed, signed and dated
Exclusion Criteria
	\- Cases of recurrent spontaneous miscarriage (2 clinical miscarriages) or implantation failure (after transfer of 6 good D3 embryos or 4 good blastocysts) will be excluded
	\- Use of testicular or epididymal spermatozoa as well as ejaculate with concentration < 5 mill spermatozoa/mL and < 5 mill total spermatozoa progressive motility
	\- Primary ovarian failure, PCOS (in accordance with the Rotterdam criteria) or ovary/s inaccessible for oocyte retrieval
	\- Anatomical uterine abnormalities and any endometrium or myometrium pathology (adenomyosis, polyps, myoma, etc.) that may interfere with implantation or pregnancy. Patients with previous polypectomy, myomectomy or surgery for septate/subseptate/arcuatus uterus should not be excluded
	\- Presence of unilateral or bilateral hydrosalpinx that has not been surgically removed or ligated
	\- Presence of level III-IV endometriosis
	\- History of tumours in the hypothalamus or pituitary gland, or ovarian, uterine or breast cancer
	\- Abnormal bleeding of undetermined origin
	\- Known infection with human immunodeficiency virus, active hepatitis B or C virus in the woman or her partner
	\- Known allergy or hypersensitivity to the drugs administered during the trial
	\- Concurrent significant medical pathologies that would endanger the patient's safety (uncontrolled thyroid or adrenal dysfunction, severe hepatic or renal impairment, etc.) or interfere with the test evaluations or the clinical outcomes (i.e. confirmed thrombophilia)
	\- Use of concomitant medication or any other circumstances that, in the opinion of the investigator, interferes with the development of the trial or does not ensure the safety and efficacy of the data
	\- Simultaneous participation in another clinical trial or previous participation in this study
	\- Participation in another clinical study two months before inclusion in the present study that could affect its objectives

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Recombinant LH Prior to Ovarian Stimulation in Poor Ovarian Responders (PRE-LH)