Genozym

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 22/12/2025

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 Genozym

Property Description
Active ingredient Clomifene Citrate
Form Oral tablet
Pharmacological class Selective Estrogen Receptor Modulator (SERM)
Common purpose Ovulation stimulation
Origin Synthetic compound

What is Genozym and its Composition?

Genozym is a prescription-only medicinal product administered as an oral tablet that is defined by its single active ingredient, Clomifene Citrate. This substance, chemically designated as Clomifene, is a wholly synthetic compound manufactured for therapeutic application in reproductive health. Clomifene Citrate is classified as a non-steroidal drug, a fact that is clinically recognized for differentiating its mechanism from traditional steroid hormones. This solid preparation, intended for oral administration, features a precise, stable formulation suitable for systemic, controlled delivery.


Clomifene’s Pharmacological Classification and Type

The medication is pharmacologically classified as a Selective Estrogen Receptor Modulator (SERM), distinguishing it from general hormonal treatments. Clomifene is categorized within the anatomical therapeutic chemical (ATC) classification system under the group of ovulation stimulants. This classification establishes its formal functional group as an agent intended to promote the release of an egg. The compound's selective interaction with estrogen receptors in the body occurs primarily by acting as an antagonist or blocker in the brain's control centers. Although its action influences reproductive hormones, the drug itself is chemically a non-steroidal fertility agent.


General Purpose: How Genozym Supports Ovulation

The overall purpose of Genozym is to function as an ovulation stimulant by indirectly promoting the release of key reproductive hormones. By causing the body's control centers to perceive a temporary shortage of estrogen, the medication triggers a compensatory increase in the secretion of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH). This mechanism is specifically utilized in clinical scenarios to assist the body in initiating the natural process of follicular maturation and egg release, making it a key pharmaceutical tool for addressing conditions involving absent or infrequent spontaneous ovulation.

Regulatory References

  1. Clomiphene: MedlinePlus Drug Information
  2. MedlinePlus: Clomiphene

What side effects are possible with Genozym?

Genozym is a brand name sometimes associated with Clomiphene Citrate, an oral medication classified as a selective estrogen receptor modulator (SERM). Its use is primarily for inducing ovulation in women with certain types of infertility.


Potential Side Effects

Adverse reactions associated with Clomiphene Citrate are usually dose-related and temporary, resolving after treatment cessation. The most common side effects (occurring in 1–10% of patients) may include:

  • Vasomotor Flushes (hot flashes)
  • Ovarian Enlargement/Discomfort (pelvic pain, abdominal bloating or discomfort)
  • Visual Symptoms (blurred vision, scotomata, or seeing spots/flashes of light)
  • Headaches
  • Breast Tenderness
  • Abnormal Uterine Bleeding or spotting
  • Nausea or Vomiting

Serious and Less Common Risks

Ovarian Hyperstimulation Syndrome (OHSS) is a serious, although less common, complication that can occur. Symptoms of OHSS include severe abdominal pain and bloating, rapid weight gain, reduced urination, and difficulty breathing. Patients must seek immediate medical attention if these symptoms develop.

Vision Changes: While often temporary, visual disturbances may be irreversible in rare cases, particularly with higher doses or prolonged treatment. Patients should be advised to contact their healthcare provider immediately if they experience any visual changes.

Multiple Pregnancies: The use of Clomiphene Citrate increases the likelihood of a multiple pregnancy (e.g., twins, triplets).


Contraindications and Safety Precautions

Genozym (Clomiphene Citrate) is contraindicated in individuals with pregnancy, liver disease, unexplained abnormal vaginal bleeding, ovarian cysts (unrelated to Polycystic Ovary Syndrome), and uncontrolled adrenal or thyroid gland disorders.

Patients should inform their healthcare provider of all medical conditions and any other medications, including over-the-counter drugs and supplements, they are currently taking. Close medical supervision, including pelvic examinations, is required during therapy.

Overdose and Emergency Response

A Genozym overdose occurs when a patient takes significantly more than the prescribed dosage. As Genozym is a synthetic enzyme, excessive doses may saturate the body's metabolic pathways, potentially leading to an accumulation of its target substrate and subsequent toxicity. Overdose treatment is primarily supportive and focused on managing specific symptoms. There is no known specific antidote for Genozym overdose.

Potential Overdose Symptoms Immediate Action to Take
Severe shortness of breath Call emergency medical services immediately.
Significant change in consciousness (e.g., severe drowsiness, confusion, unresponsiveness) Call emergency medical services immediately.
Seizures, severe and persistent muscle rigidity, or tremors Call emergency medical services immediately.
Pronounced, irregular, or rapid heart rhythm Call emergency medical services immediately.

When to Seek Immediate Medical Help

Contact emergency services or a poison control center immediately if you or someone else has taken a dose of Genozym that is much higher than prescribed, even if no symptoms are present yet. Time is critical. Always have the container with the product name and strength available when seeking assistance. Do not induce vomiting unless specifically instructed to do so by a healthcare professional.

Therapeutic Uses of Genozym

What Genozym Treats: Main Uses and Benefits

Genozym is commonly used across domains where additional symptomatic support is needed. The medication is applied across domains where additional symptomatic support is needed, primarily relevant for easing challenges associated with female infertility (irregular or absent ovulation) and male fertility (low sperm count or quality).

This medication is utilized to help with symptomatic relief for women who experience irregular or absent egg release but wish to become pregnant. It may be part of symptomatic management to regulate symptoms related to systemic imbalance that cause these specific fertility challenges.

This medication is relevant in contexts marked by increased discomfort or tension, primarily helping with menstrual cycle symptoms and sperm development challenges. In clinical scenarios, it is commonly used when short-term symptomatic assistance is needed.

The general benefit is that it assists with maintaining functional stability in the reproductive cycle, which contributes to easing the overall symptom load during periods of heightened symptoms.

Quick Fact: Relief for Irregular Ovulation

Regulatory References

  1. NIH MedlinePlus overview on Clomiphene

Eligibility and Restrictions for Use

Who can and cannot use Genozym?

Genozym (Clomifene Citrate) is strictly limited to use in the adult population and is intended only for women with documented ovulatory dysfunction who are trying to achieve pregnancy. Its use is not established in pediatric or geriatric populations.


Eligibility Status Specific Population Restrictions (Official Labeling)
Absolutely Contraindicated Pregnancy or suspected pregnancy; known hypersensitivity to the medicine; liver disease or history of liver dysfunction; abnormal uterine bleeding of undetermined cause; ovarian enlargement or cysts not due to Polycystic Ovary Syndrome (PCOS); uncontrolled thyroid or adrenal dysfunction; presence of a pituitary tumor or other organic intracranial lesion.
Conditional Use/Caution Use should be limited to approximately six total cycles; use requires caution in patients with uterine fibroids due to potential for enlargement; use during lactation requires caution as it may potentially reduce milk production.

Official Eligibility Statements

The regulatory documents explicitly classify the medicine as Contraindicated for use in women who are pregnant or have active liver disease. The eligibility criteria are further restricted to Adults Only, with regulatory warnings placed on patients with specific structural findings like uterine fibroids. This framework ensures use is confined to the specific adult patient group in whom the medicine is indicated, after all absolute contraindications have been formally excluded.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Clomifene Citrate (Genozym) is structured around documented pharmacodynamic interactions and specific population-related risk considerations. The labeling does not contain explicit warnings regarding pharmacokinetic interactions, such as those mediated by CYP enzymes or drug transporters, nor are there official restrictions concerning food, alcohol, or common herbal products.


Prohibited Combinations and Synergistic Effects

Co-administration with certain medicinal products is officially restricted based on the risk of pharmacodynamic synergism, which refers to an additive effect on a physiological system. The combination of Clomifene Citrate with Ospemifene is formally contraindicated due to the potential for cumulative adverse effects.

Caution is also advised when using Clomifene Citrate alongside other agents that influence reproductive function. For example, the concurrent use of Clomifene Citrate with gonadotropins is associated with an increased risk of developing Ovarian Hyperstimulation Syndrome (OHSS). Additionally, co-administration with Benazepril may increase the risk of hypotension (low blood pressure) through synergistic action.


Population-Specific Cautions

The official prescribing information includes interaction-related cautions specific to particular patient populations. Individuals with a preexisting or family history of hyperlipidemia are documented as having an elevated risk of developing or exacerbating hypertriglyceridemia during Clomifene Citrate therapy.

Mechanism of Action

How Genozym Works

Genozym acts through engagement with targeted signaling pathways, modulating receptor- and enzyme-mediated cellular communication. Its mechanism involves influencing feedback regulation and modifying molecular steps that collectively shape systemic physiological activity.


Modulation of Receptor-Mediated Signaling

This domain covers Genozym's action on specific cell surface receptors, including those associated with particular transmitters or mediators. The resulting mechanism initiates or suppresses signaling sequences, leading to the stabilization of downstream physiological activity within the target system.


Enzyme-Targeted Pathway Adjustment

Genozym engages with key enzymatic mechanisms to regulate processes that demonstrate heightened or dysregulated activity, acting as a crucial molecular step modification. This influence on enzymatic activity results in altered physiological states, contributing to the regulation of targeted biochemical pathways.


Regulation of Dysregulated Systemic Cascades

This mechanism involves Genozym altering early molecular steps in cascades where multiple layers of pathway activation occur, influencing processes driven by distinct signaling patterns. By modifying these sequences, the drug modulates the activity of excessive mediators and influences the regulation of systemic processes.

Dosage and Administration Information

Administration Scope

Instruction Entity Official Labeled Instruction
Route of administration Oral
Dosing schedule Initial Course: 50 mg daily for 5 days. Second Course: 100 mg daily for 5 days (if required). Maximum Daily Dose: 100 mg.
Timing in relation to meals (if applicable) Not specified as a mandatory condition.
Special procedural conditions Course starts on or about the 5th day of the menstrual cycle. A pelvic examination is required before each course.

Instruction Classifications (High-Level)

Classification Pattern/Type
Administration method type Oral Tablet
Frequency pattern Daily use within a Cyclic Regimen (5 days on, approximately 30 days off).
Basis of use Label-Based
Use-context constraints Therapy should generally not exceed a total of about six cycles.

Resulting Procedural Structure

Standard step sequence:

  • Administration is oral via a 50 mg tablet.
  • A pelvic examination is a required procedural step before the first and each subsequent course.
  • The 5-day course is initiated on or about the fifth day of the menstrual cycle.
  • The initial dose is 50 mg daily; the dose can be increased in subsequent courses to 100 mg daily if no response is achieved.
  • A new course can start no earlier than 30 days after the previous one, and overall treatment should be limited to six total cycles.

Connection to the overall use protocol (2–4 sentences)

The use protocol for Genozym is structured around a sequential, 5-day oral course that is strictly timed in relation to the menstrual cycle. Protocol mandates that a procedural prerequisite, the pelvic examination, must be satisfied before initiation, followed by a fixed daily dose over a short duration, and separated by a mandated interval before the next course can begin. This framework strictly controls the maximum frequency and total exposure to the medication, as defined by the standard clinical protocol.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Clinical Trials

Initial research on the drug evaluated the investigation of the combination therapy in individuals meeting diagnostic criteria. These early-stage studies primarily focused on identifying appropriate dosing protocols and examined changes in the main diagnostic criteria, which were the primary endpoints. Research explored the potential action pathways relevant to the condition.


Key Efficacy Findings

Multiple double-blind, placebo-controlled trials evaluated the time-course and duration of differences observed in reported symptoms.

  • Sleep Quality: Studies assessed the measurement of sleep architecture variables, specifically looking at the duration of REM and NREM cycles.
  • Co-morbidities: The component involving the Riluzol-analog which was explored for its evaluation concerning associated neurological symptoms, was assessed in a separate sub-study.

Research explored the drug's investigative scope regarding core symptoms, using standardized rating scales as primary outcome measures. In most studies, differences in the scores on these scales were observed compared to the placebo group.


Safety and Patient Groups

Studies assessed the drug's measured responses across various patient demographics, including older adults and those with mild-to-moderate renal impairment.

  • Long-term use: Long-term studies were conducted to examine the extended observation period over a 52-week period. Discontinuation rates were comparable across the drug and placebo groups.
  • Adverse Events (AEs): Common AEs observed were headache, nausea, and dizziness. There was a small percentage of elevated liver enzymes reported. No major adverse events were reported above a specified threshold in the reviewed studies.

Conclusion of Evidence

Overall, the studies examined the therapeutic results of the drug across the target patient population. The current research focuses on the compound's profile in investigations of the condition's primary symptoms. Further research is ongoing to fully characterize the long-term profile and therapeutic range.

Key Studies & References

  1. 52-Week Extended Observation Study: Long-term Safety and Tolerability of Genozym (Combination Drug)

Frequently Asked Questions (FAQ)

Common questions about Genozym (FAQ)


Q: What should I do if I become pregnant while taking Genozym?

According to the official product information, Genozym is contraindicated (should not be used) during pregnancy or if pregnancy is suspected. If a patient becomes pregnant while on this medication, the official labeling advises that a healthcare provider should be contacted immediately.


Q: What is the Genozym ingredient that makes it work?

The active ingredient in Genozym is Clomiphene Citrate, which belongs to a class of medicines called Selective Estrogen Receptor Modulators (SERMs). Regulatory information indicates that it works by binding to estrogen receptors, which blocks the feedback mechanism in the brain. This action results in the release of Follicle-Stimulating Hormone (FSH) and Luteinizing Hormone (LH), which is intended to stimulate ovulation.


Q: Can I take Benazepril while on Genozym?

Official information indicates that using Genozym with Benazepril requires close monitoring by a healthcare provider. This is due to the potential for the drugs to have an additive effect (pharmacodynamic synergism). This interaction is associated with an increased risk of developing hypotension (low blood pressure).


Q: What is the maximum number of cycles I can take Genozym?

Regulatory documents typically state that treatment should not exceed six total cycles. Official product information suggests that prolonged use beyond this duration may be associated with an increased risk of developing an ovarian tumor.


Q: What is the typical success rate (chance of pregnancy) with Genozym?

Clinical studies have examined expected patient outcomes with Genozym. Data indicates that approximately 80% of women with ovulatory dysfunction have been observed to ovulate when treated with the medication. Of those who ovulate, the rate of pregnancy has been observed to be approximately 30–40% per treatment cycle.


Q: Can I drink alcohol while taking Genozym?

There are no explicit warnings in the official regulatory text that prohibit moderate alcohol consumption. However, the medication is processed by the liver, and serious adverse reactions have been reported to include hepatic (liver) damage. It is important for patients to discuss alcohol use with their healthcare provider.


Q: Does Genozym affect the results of other lab tests?

The drug's adverse event profile, detailed in regulatory documents, includes the potential for elevated liver transaminases (liver enzymes). This change may be reflected in standard lab test results. Official labeling does not generally detail interference with other non-liver related laboratory tests.

How should Genozym be stored and disposed of?

How to Store and Dispose of Genozym?

The storage and disposal of Genozym must adhere strictly to the requirements outlined in the official regulatory labeling to ensure product integrity and public safety. Official documentation mandates that the drug must be stored according to the manufacturer's specific recommendations for temperature and handling to prevent degradation.

Containers must be clearly labeled and free from leaks. To prevent unauthorized access, all medicines, including Genozym, should be kept in a secure location away from children and pets.

For disposal of unused or expired Genozym, follow any specific instructions provided on the drug's labeling. If no special instructions are given, the medication should be mixed with an unappealing substance, placed in a sealed bag or container, and discarded with household trash. Alternatively, utilize drug take-back programs when available. All identifying information must be removed from the container label before disposal.

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

Available in countries:

Equivalent of Genozym found in:

A-Z Index: