Epigonal

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Epigonal

Property Description
Active Ingredient Menotropin (Human Menopausal Gonadotropin, hMG)
Form Lyophilized powder and solvent for solution for injection
Pharmacological Class Gonadotropin (Pituitary Gonadotropin)
General Purpose Provides dual hormonal support for fertility treatment
Origin Purified, Urinary-derived biological preparation

What Type of Medicine is Epigonal (Menotropin)?

Epigonal is a prescription-only medicine containing the active substance Menotropin, which is classified as a Gonadotropin. Menotropin is a protein hormone preparation that is urinary-derived, meaning it is purified from the urine of postmenopausal women to provide a natural source of hormonal activity. The medication is presented as a lyophilized powder and solvent for solution for injection, requiring reconstitution before being administered via the subcutaneous or intramuscular route.

Composition: Why Does Epigonal Contain Dual Hormones?

The function of Menotropin stems from its composition as a combination product that delivers both Follicle-Stimulating Hormone (FSH) activity and Luteinizing Hormone (LH) activity. These two glycoprotein components are critical for reproductive function. This balanced FSH and LH content provides the hormonal signaling needed to support the reproductive system.

General Purpose: What Role Does Epigonal Play in Treatment?

The general purpose of Epigonal is to address specific barriers to fertility by supplementing the body's natural hormonal levels. By providing FSH and LH activities, the medication is used for supporting core reproductive functions, such as inducing the development of mature ovarian follicles and aiding in spermatogenesis (sperm development). Epigonal provides a hormonal environment necessary for reproductive cell maturation.

What side effects are possible with Epigonal?

Epigonal: Possible Side Effects and Safety Information

This section summarizes the officially documented adverse reactions and safety restrictions for Epigonal, based on government regulatory documentation.

Adverse Reactions by Frequency and System-Organ Class

The adverse event profile is classified by frequency, including effects across various body systems. The most common events documented in regulatory sources include local injection site reactions (such as pain, redness, or swelling), headache, and gastrointestinal disorders (such as abdominal pain, abdominal swelling, or nausea).

Frequency Classification Examples of Documented Adverse Reactions
Common (Affects up to 1 in 10 people) Ovarian Hyperstimulation Syndrome (OHSS), Abdominal pain/swelling, Headache, Nausea/Vomiting, Injection site reactions, Ovarian enlargement
Uncommon (Affects up to 1 in 100 people) Severe Ovarian Hyperstimulation Syndrome (OHSS)
Very Rare (Affects less than 1 in 10,000 people) Thromboembolism (blood clots)

Serious Adverse Reactions and Safety Restrictions

Regulatory documents identify a significant risk of Ovarian Hyperstimulation Syndrome (OHSS), which, while common in its mild form, can progress to a severe and clinically significant condition requiring urgent medical intervention. Other serious adverse reactions that have been reported include thromboembolism (the formation of blood clots, including stroke or heart attack) and severe hypersensitivity reactions.

Contraindications are established limitations for use and include:

  • For all patients: Known hypersensitivity to the medicine, or tumors of the pituitary gland or hypothalamus.
  • For women: Pregnancy, breastfeeding, primary ovarian failure, unexplained vaginal bleeding, certain ovarian cysts or enlargement, and hormone-dependent tumors (ovarian, uterine, or breast).
  • For men: Testicular or prostate cancer.

The safety documentation notes that the serious risk of OHSS typically occurs within the first 10 days after the last dose in a treatment cycle. Regulatory documents advise that if OHSS is suspected, the use of Human Chorionic Gonadotropin (hCG) must be withheld to prevent exacerbation. A multiple pregnancy is a documented potential outcome associated with this type of treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

If an overdose is suspected, call 911 or your local emergency services immediately. An overdose is a medical emergency that requires prompt intervention by trained medical professionals. Common signs of a severe central nervous system depressant overdose, which can affect the respiratory system, may include:

  • Pinpoint Pupils: The black center of the eye becomes extremely small.
  • Depressed Breathing: Breathing becomes very slow, shallow, or stops entirely.
  • Loss of Consciousness: The person is unable to be awakened, even with loud shouting or a sternum rub.
  • Discoloration: Lips or fingernails may appear blue, purple, or grey due to lack of oxygen.
  • Limp Body: The body is physically very slack, loose, or unresponsive.

Required Emergency Action

If you witness any of these signs, take immediate action:

  1. Call 911 or your country's emergency number right away. Clearly state that someone is unresponsive and not breathing.
  2. Administer Naloxone (if available): If a person who uses opioids or takes opioid-like medications is suspected of having an overdose, administer naloxone immediately if it is readily available. Naloxone is an FDA-approved medication that can temporarily reverse the effects of an opioid overdose.
  3. Stay with the Person: Monitor their breathing and try to keep them awake. Place the person in the recovery position (on their side with their top leg bent) to prevent choking on vomit, and remain with them until emergency services arrive.

Immediate medical help is required when a person is unresponsive, has difficulty breathing, or exhibits signs of severe sedation, as these can rapidly progress to respiratory failure, brain injury, and death.

Therapeutic Uses of Epigonal

What Epigonal Treats: Main Uses and Benefits

Epigonal is used for managing certain distressing symptoms, contributing to improved comfort during symptomatic periods. Its use is applicable across domains where additional symptomatic support is needed, and it is considered relevant in contexts marked by increased discomfort or tension.

Epigonal supports patients during difficult episodes by easing distress, assisting with maintaining functional stability. It is relevant in conditions characterized by periods of heightened symptoms or recurrent manifestations, and it is applied in addressing symptom clusters that may become intense or disruptive, such as those related to physical discomfort or heightened physiological activity.


Quick Fact: Use in Contexts of Functional Strain

This medication is often used when short-term symptomatic assistance is needed due to symptoms that create noticeable physiological strain. It provides support that helps ease the overall symptom burden during these periods.

Regulatory References

  1. NIH StatPearls overview of ibuprofen indications

Eligibility and Restrictions for Use

Epigonal (menotropin) is a medication whose eligibility is strictly defined by regulatory documents, primarily to exclude patients for whom its hormonal action could be harmful or ineffective.

Populations Excluded from Use (Contraindications)

Official labeling contraindicates use in women who are pregnant, as the drug may cause fetal harm, and use is generally not recommended while breastfeeding. Individuals with high levels of Follicle Stimulating Hormone (FSH) indicating primary ovarian failure are excluded, as the medicine cannot treat this condition.

Use is prohibited in patients with known hypersensitivity or allergy to menotropins or any component of the formulation. Furthermore, the drug is contraindicated for those with:

  • Sex hormone-dependent tumors of the reproductive tract and accessory organs.
  • Tumors of the pituitary gland or hypothalamus.
  • Uncontrolled non-gonadal endocrinopathies (e.g., uncontrolled thyroid or adrenal dysfunction).
  • Abnormal uterine bleeding of undetermined origin.
  • Ovarian cysts or enlargement not due to polycystic ovary syndrome.

Eligibility and Age Restrictions

The medication is limited to adult use; its safety and effectiveness in pediatric patients have not been established. For adult women who are candidates for use, eligibility is further restricted by the requirement that tubal obstruction must be ruled out unless they are participating in an in vitro fertilization program.

What should I know about interactions with other medicines?

Epigonal Interactions with other medicines and products

This section outlines interactions with other products as formally documented in authoritative government regulatory sources.

Pharmacokinetic and General Interactions

Official prescribing information notes that formal drug-drug interaction studies have not been conducted in humans to assess the potential for pharmacokinetic interactions with Epigonal (Menotropin). Consequently, there are no documented findings regarding:

  • Interactions mediated by metabolic enzymes (e.g., CYP450 system) or transport proteins (e.g., P-gp).
  • Clinically relevant interactions with food, alcohol, or herbal products.

Pharmacodynamic and Treatment-Specific Restrictions

The primary documented interactions concern the sequential use of other gonadotropins due to potential additive pharmacodynamic effects:

  • Human Chorionic Gonadotropin (hCG): Administration of hCG must be conditionally withheld if ovarian monitoring on the last day of Epigonal therapy indicates an excessive or high-risk ovarian response. This restriction is mandated in the regulatory label to mitigate the specific, documented risk of Ovarian Hyperstimulation Syndrome (OHSS).
  • Urofollitropin: Co-administration with another purified gonadotropin, such as urofollitropin, is explicitly permitted; however, the regulatory label imposes restrictions on the combined total dose of the products used in the regimen.

These constraints establish the official parameters for safe co-use within the treatment protocol.

Mechanism of Action

How Epigonal Works: Mechanism of Action

Epigonal functions by selectively inhibiting core components within two critical intracellular signaling pathways: the Mitogen-Activated Protein Kinase (MAPK/ERK) cascade and the Phosphoinositide 3-kinase (PI3K)/Akt/mTOR axis. The mechanism involves Epigonal acting as a kinase inhibitor to block essential phosphorylation events within these systems.

Inhibition of the MAPK/ERK pathway suppresses signal transduction across the phosphorylation cascade required for cell cycle progression. Concurrently, interference with the PI3K/Akt/mTOR axis alters the intracellular signaling balance by decreasing anti-apoptotic signals and restricting the metabolic signals that sustain rapid proliferation.

The synergistic inhibition of both proliferation and survival pathways alters the homeostatic balance of intracellular signaling within affected cells. This dual action defines the drug’s overall mechanistic profile by suppressing the signals necessary for excessive cellular activity.

Dosage and Administration Information

Administration Overview

Epigonal is a medication typically administered via injection. The process involves preparation of the solution and proper technique to ensure the substance is delivered into the subcutaneous tissue or muscle, as determined by a healthcare professional.

Preparation of the Solution

The medication often comes in a powder form that requires reconstitution with a specific diluent.

  • Reconstitution: The liquid diluent is added to the vial containing the powder. The vial should be swirled gently until the powder is completely dissolved. Shaking the vial vigorously should be avoided as it may degrade the active components.
  • Inspection: Once dissolved, the solution should be clear and free of particles. If the solution is discolored or contains visible matter, it should not be used.

Injection Process

The administration is performed using a sterile syringe and needle.

  1. Site Selection: Common injection sites include the fatty tissue of the abdomen or the thigh. It is standard practice to rotate the injection site with each administration to minimize localized skin irritation or tissue changes.
  2. Technique: The skin at the chosen site is typically cleansed before the needle is inserted. The medication is then injected steadily.
  3. Disposal: Used needles and syringes are placed in a puncture-resistant sharps container immediately after use to ensure environmental safety.

Timing and Routine

Consistency in the timing of administration is a standard aspect of the use of this medication. Maintaining a regular schedule helps ensure a steady presence of the substance in the body. If a scheduled administration is not performed at the intended time, guidance from a healthcare provider is usually sought to determine the next appropriate step.

Recent Clinical Evidence

Evidence for Controlled Ovarian Stimulation (COS) for ART

Research exploring Menotropin was studied in women undergoing Assisted Reproductive Technology (ART), such as in vitro fertilization (IVF). Studies, primarily Randomized Controlled Trials (RCTs), were designed to measure outcomes such as the Live Birth Rate, Ongoing Pregnancy Rate, and the Number of Oocytes Retrieved. Findings describe patterns observed in the studies when Menotropin was compared to other hormonal preparations. Regulatory assessments, however, note that reported outcomes were not consistently observed to be different across all patient groups included in the trials.


Evidence for Ovulation Induction in Anovulatory Women

Menotropin was also studied for the Induction of Ovulation (OI) in women with anovulation, including those with Polycystic Ovarian Disease (PCOD) who were unresponsive to prior oral fertility therapies. Evidence is drawn from Randomized Controlled Trials and Systematic Reviews that monitored the Ovulation Rate and resulting Clinical Pregnancy Rate. Research indicates this data is often drawn from an older evidence base, and evidence reviews suggest that Menotropin was not consistently associated with different outcomes compared to using FSH alone in this specific patient group.


Evidence for Stimulation of Spermatogenesis in Men

Research explored Menotropin's role in the Stimulation of Spermatogenesis in adult men who require hormonal support due to specific deficiencies. The evidence is largely synthesized through Meta-analyses of various interventional studies that monitored changes in Sperm concentration and Total sperm output. Evidence is limited by the fact that the research is heavily reliant on older studies, and comprehensive quantitative summary data related to natural pregnancy is noted to be insufficient.


Research Gaps and Unanswered Questions

Clinical research generally focuses on short-term cycle outcomes. Long-term effects are not fully established, particularly concerning outcomes extending beyond one year or questions regarding the stability of the response. Furthermore, evidence quality varies across studies, and comparative evidence is lacking for some indications. Research provides context but does not determine whether an individual will respond similarly.

Key Studies & References

  1. Ovulation induction techniques in women with polycystic ovary syndrome (Narrative Review)

Frequently Asked Questions (FAQ)

Common questions about Epigonal (FAQ)

Q: What is Epigonal and what is it used for?

Epigonal contains the medicine menotrophin. This is a mixture of hormones, including Follicle-Stimulating Hormone (FSH) and Luteinising Hormone (LH), obtained from the urine of women who have passed menopause. These hormones are important in the natural process of reproduction.

Epigonal is used to treat infertility in men and women in the following situations:

  • In women: To help the ovaries produce follicles (which contain eggs) when the ovaries are not working properly due to low levels of FSH and LH.
  • In men: To help the testicles produce sperm when infertility is caused by low levels of hormones.

Q: Who should not use Epigonal?

You must not use Epigonal if any of the following apply to you:

  • You are allergic (hypersensitive) to menotrophin or any of the other ingredients.
  • You have a tumor in your pituitary gland (a gland at the base of the brain) or hypothalamus (part of the brain that controls body conditions).
  • You have very high levels of a hormone called prolactin (hyperprolactinaemia).

If you are a woman, you must also not use Epigonal if you have:

  • Tumors of your womb (uterus), ovaries, or breasts.
  • Ovarian cysts or enlarged ovaries not caused by Polycystic Ovary Syndrome (PCOS).
  • Bleeding from your vagina for an unknown reason.
  • Primary ovarian failure (ovaries do not function properly).
  • Certain physical problems with your reproductive organs (e.g., severe malformations or fibroid tumors).
  • Your womb has been removed (hysterectomy).
  • You are pregnant or breastfeeding.

If you are a man, you must also not use Epigonal if you have:

  • Cancer of your testicles.
  • Prostate cancer.

Q: What should I tell my doctor before starting Epigonal?

Tell your doctor, nurse, or pharmacist before using this medicine if:

  • You have had fertility treatment in the past.
  • You or someone in your family has had blood clots (thrombosis). Treatment with Epigonal may increase the risk of blood clots, and your doctor will consider this risk, as pregnancy itself also increases this risk.

Your doctor will normally do tests before you start treatment to ensure your thyroid and adrenal glands are working correctly and to check for tumors of the pituitary gland or hypothalamus. Women will also have tests to check their ovarian function and prolactin levels.


Q: How is Epigonal given?

Epigonal is given as an injection under the skin (subcutaneously) or into a muscle (intramuscularly) after the powder is mixed with the provided solvent. The powder should be mixed immediately before use. Your doctor or nurse will instruct you on how to prepare and give the injection, or they will administer it to you.

  • Do not shake the solution.
  • Do not use the solution if it contains particles or is not clear.

Q: What should I do if I miss a dose of Epigonal?

If you forget to take Epigonal, contact your doctor, nurse, or pharmacist immediately. Do not take a double dose to make up for a forgotten dose.

How should Epigonal be stored and disposed of?

How to Store and Dispose of Epigonal (Menotropin)

The officially documented storage requirements for Epigonal (Menotropin) focus on temperature control and protection from light.

Storage Requirements

  • Temperature: Unreconstituted vials must be stored in a refrigerator, typically between 2 C and 8 C (36 F and 46 F), or at controlled room temperature, not exceeding 25 C.
  • Protection: The product must be stored in its original packaging to protect from light.
  • Handling Restriction: Epigonal must not be frozen. If the product freezes, it must be discarded.
  • Stability: The mixed solution should be used immediately. Some formulations may permit storage for up to 28 days at or below 25 C.
  • Child Safety: The medicine must be kept out of the sight and reach of children.

Disposal Instructions

All used needles and syringes must be placed immediately into a puncture-resistant sharps container. Unused, expired, or discarded medicine must not be disposed of in household waste or flushed down the sink, but should be disposed of according to local regulatory requirements.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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