Polycystic Ovary Syndrome: Letrozole vs. Gonadotropins for Insemination

We are studying whether letrozole can be a better option than gonadotropins for achieving pregnancy in women with polycystic ovary syndrome. The trial will also examine miscarriage rates and treatment responses.

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.

Gonal-F
Gonal-F is a fertility medicine that helps women produce eggs for assisted reproductive treatments like IVF.
Letrozole
Letrozole is a medicine used to treat certain breast cancers in women after menopause by lowering hormones that can fuel tumor growth.
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.
Follitropin Beta
Follitropin beta is a hormone substance used to stimulate the ovaries to produce eggs during fertility treatments.

What experimental substances are being tested?

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

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.

Aletro
Allenda
Aromek

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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Hospital Universitario La Paz
Service of Gynecology and Obstetrics
Chamartín, Spain
Sponsor: Hospital Universitario La Paz
Last updated: Nov 27, 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.