Fertility Treatment: Natural Progesterone vs. GnRH Antagonists

We are comparing a natural progesterone treatment to a standard injectable medication for women undergoing ovarian stimulation. The goal is to see which method is more effective and cost-efficient in preventing hormonal surges.

Monitoring phase (IV)No Placebo Investigational Medicines Oral InjectionGynecology and Obstetrics

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Decapeptyl Diario

Decapeptyl Diario is a medicine used to lower sex hormones to treat hormone-related conditions such as prostate cancer, endometriosis, and early puberty.

Ganirelix

Ganirelix is a medicine used during fertility treatments to prevent early ovulation and help eggs mature properly for procedures like IVF.

Ovaleap

Ovaleap is a medication used to stimulate the ovaries to help women produce eggs during fertility treatments such as IVF.

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Follitropin Alfa

Follitropin alfa is a lab-made hormone that stimulates the ovaries to develop eggs for fertility treatments.

Follitropin Alfa (Genetical Recombination)

Follitropin alfa is a lab-made follicle-stimulating hormone that helps the ovaries develop eggs for fertility treatments.

Ganirelix

Ganirelix is a substance that prevents premature ovulation during fertility procedures such as in vitro fertilization.

What experimental substances are being tested?

Experimental substances that are being investigated in this clinical trial. These are not yet approved for general use.

Astarté

Bemfola

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Agolutin

Agolutin Depot

Amelgen

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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Instituto Bernabeu S.L.

Alicante

Alicante, Spain

Instituto Bernabeu S.L.

Elche

Alicante, Spain

Namsomara S.L.

Accuna

Alicante, Spain

Sponsor: Instituto Bernabeu S.L.

Last updated: Nov 26, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.