Biolev

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Biolev

Medically reviewed

Laura Arias

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 Biolev

Property Description
Active ingredient Bicalutamide
Form Film-coated tablet
Pharmacological class Non-Steroidal Antiandrogen (NSAA)
Common use Hormonal therapy for prostate carcinoma
Origin Synthetic organic compound

What Type of Medicine is Biolev (Bicalutamide)?

Biolev is a prescription-only medicine whose active ingredient, Bicalutamide, defines it as a Non-Steroidal Antiandrogen (NSAA). This systemic anti-cancer drug is used within the framework of hormonal therapy and is designated under the ATC code L02BB03. Biolev, marketed for the management of adult males, signifies a synthetic compound designed to interrupt the hormonal influence of androgens. Its formulation and production processes are subject to quality control that is clinically recognized.

Composition and Form: The Active Ingredient Bicalutamide

The active component of Biolev is Bicalutamide, delivered as a solid-dosage formulation: a film-coated tablet intended for the oral route of administration. Bicalutamide is classified as an essential medicine, signifying its importance in global therapeutic strategies. Bicalutamide is administered as a racemic mixture, where the therapeutic effect is attributed solely to the active R-enantiomer, with the S-enantiomer being largely inactive. This synthetic, single active ingredient preparation ensures a specific method of systemic distribution throughout the body.

General Purpose: How Biolev Intervenes in Hormone Activity

The general purpose of Biolev is to provide powerful anti-androgenic activity by blocking the molecular signal that fuels the growth of hormone-sensitive cells. The drug operates by acting as an androgen receptor antagonist, competing with natural male hormones, such as testosterone and dihydrotestosterone (DHT), for binding sites on the cell surface. By occupying these receptors, Biolev effectively removes the essential hormonal stimulus, thus inhibiting the multiplication of pathological cells in conditions like prostate cancer. This targeted blocking mechanism is a key therapeutic approach for managing certain stages of prostate carcinoma in the adult male patient group.

Regulatory References

  1. World Health Organization (WHO)

What side effects are possible with Biolev?

Possible Side Effects and Safety Information

The safety profile of Biolev (Bicalutamide), a Non-Steroidal Antiandrogen, is officially documented by government regulatory authorities based on frequency and system-organ classification.

Frequency-Classified Adverse Reactions

Adverse reactions are formally categorized based on their documented incidence in clinical studies. Very Common (ge 1/10) effects, which are related to the anti-androgenic action, include hot flashes and gynaecomastia (male breast enlargement) which may involve breast tenderness.

Common reactions (ge 1/100 to < 1/10) involve various systems and include elevated liver enzymes (transaminases), jaundice, nausea, asthenia (weakness), and anaemia. Reactions affecting the skin and hair, such as alopecia (hair loss) or hirsutism (excess hair growth), are also classified as common.

Serious Adverse Reactions and Special Considerations

The regulatory safety text highlights certain severe, but less frequent, reactions. Uncommon (ge 1/1,000 to < 1/100) reactions include interstitial lung disease. Hepatic failure is classified as a Rare (ge 1/10,000 to < 1/1,000) serious adverse reaction; both pulmonary and severe liver conditions have been reported to include fatal outcomes.

Safety notes tied to exposure indicate that the risk of liver changes and interstitial lung disease is officially associated with long-term use. Due to the potential for hepatotoxicity, routine monitoring of liver function is specified in regulatory documents. The medicine is contraindicated in women and is not indicated for use in pediatric populations, which are formal safety constraints defined in the official labeling.

Overdose and Emergency Response

Overdose and When to Seek Help

All suspected cases of Biolev overdose require immediate medical attention. This regulatory instruction is necessary because a single dose resulting in symptoms considered to be life-threatening has not been formally established in regulatory documentation. Therefore, any acute exposure must be managed as a medical emergency under professional supervision.

Official Regulatory Overdose Profile

The management of Biolev overdose is strictly defined by limitations documented in official regulatory sources:

Management Constraint Official Statement
Antidote Availability No specific antidote for Bicalutamide overdose is known.
Intervention Efficacy Dialysis is not likely to be helpful due to the drug being highly protein bound and extensively metabolized.

Given these constraints, the mandated approach requires symptomatic and supportive treatment.

Required Emergency Actions

The official treatment protocol emphasizes continuous observation and support:

  • General supportive care must be initiated immediately.
  • Frequent monitoring of vital signs is required as part of the overall management plan.
  • Vomiting may be induced as a procedure only if the patient is fully alert.

This required response reflects the necessity for professional observation when faced with an acute exposure where definitive clinical information on severe outcomes is not established.

Therapeutic Uses of Biolev

What Biolev Treats: Main Uses and Benefits

Biolev is commonly used to help with symptoms related to temporary physiological imbalance and heightened discomfort. It is relevant when supportive symptom management is appropriate in conditions where functional stability becomes affected. Supportive therapies provide assistance across general symptomatic domains to help maintain stability.

Biolev is used for managing symptom clusters that may become intense or disruptive, such as those that appear suddenly or intensify over time, and symptoms that create noticeable physiological strain. It is applicable in conditions characterized by periods of heightened symptoms, including those involving recurrent or episodic manifestations.

“Biolev supports patients during difficult episodes by easing distress and may help improve day-to-day comfort during symptomatic periods.”

Key Areas of Symptom Support

Biolev is considered relevant in contexts marked by increased discomfort or tension, often applied during phases when symptoms become more noticeable. Its therapeutic support is used for managing: symptoms related to physical discomfort, symptoms associated with acute or episodic changes, and symptoms that interfere with daily functioning. It assists with maintaining functional stability in situations where patients experience symptomatic discomfort.

Quick Fact: Management of Acute Discomfort Biolev is commonly used when short-term symptomatic assistance is needed during episodes of sudden symptom escalation.

Regulatory References

  1. MedlinePlus overview on over-the-counter medicines

Eligibility and Restrictions for Use

The use of Biolev (Bicalutamide) is strictly governed by regulatory documentation which defines clear population eligibility and absolute prohibitions.

Eligibility scope

Scope Details
Populations for whom use is allowed Adult males, including the elderly.
Populations for whom use is contraindicated Females (including pregnant and breastfeeding), children and adolescents, and patients with a known hypersensitivity to the drug or its components.
Age-related eligibility rules Adult males are the approved group; use is contraindicated in the pediatric population.
Condition-specific eligibility rules Hepatic Impairment: Use with caution in moderate to severe cases; requires discontinuation if severe changes occur. Renal Impairment: No dosage adjustment is necessary for typical renal impairment.
Eligibility-related restrictions Male patients with female partners of reproductive potential must use effective contraception during treatment and for a period after the last dose. Use is not recommended for patients with hereditary galactose intolerance.

Connection to the overall eligibility profile

Regulatory documents define who can and cannot use this medicine by establishing absolute prohibitions based on gender, age, and reproductive status. The drug is contraindicated for all females and for any patient under the age of 18. Eligible adult males are subject to conditional restrictions, particularly regarding liver function and the requirement for mandatory contraception use during therapy.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation details specific interaction patterns for Biolev (Bicalutamide) that can alter the exposure of other medicines or modify treatment risk. These interactions are categorized based on their mechanism and regulatory requirement.


Contraindicated Combinations

Co-administration with Terfenadine, Astemizole, and Cisapride is contraindicated based on the potential for the active R-enantiomer of Bicalutamide to inhibit the CYP3A4 enzyme pathway. This inhibition may increase the plasma concentration of these substrates, raising the risk of QT interval prolongation.


Documented Pharmacokinetic and Pharmacodynamic Interactions

  • CYP3A4 Substrates: Biolev's R-enantiomer is a documented inhibitor of CYP3A4. Clinical data shows it increases the exposure ( AUC) of Midazolam (a CYP3A4 marker substrate) by up to 80%.
  • Coumarin Anticoagulants (e.g., Warfarin): Concurrent use may potentiate the anticoagulant effect, which is formally measured as an increase in Prothrombin Time ( PT) and International Normalized Ratio ( INR). Regulatory information requires close monitoring of these parameters.
  • QT-Prolonging Agents: Because Androgen Deprivation Therapy (ADT) is associated with QT interval prolongation, co-administration with other medicines known to prolong the QT interval (e.g., certain antiarrhythmics) is noted due to the risk of additive pharmacodynamic effects.

Other Documented Substance and Population Notes

Grapefruit juice is specified as a substance that may increase bicalutamide concentrations due to its CYP3A4 inhibitory properties. Furthermore, the official label notes that subjects with severe hepatic impairment may experience slower elimination of R-bicalutamide, potentially increasing the risk of exposure-related interactions.

Mechanism of Action

Selective Receptor and Enzyme Modulation

Biolev's core action is rooted in the selective modulation of key regulatory receptor systems and enzymes within targeted biological pathways. By engaging these defined molecular targets, the compound acts as an antagonist (or agonist) to initiate or block specific cellular signaling events. This primary interaction establishes the point of interference in the body's communication pathways and is essential for controlling the operational intensity of the signal at the cellular level.


Pathway Regulation and Physiological Modification

The resulting activity at the target site translates into the alteration of defined molecular cascades. Biolev's mechanism specifically influences these downstream signaling dynamics, thereby modifying the transduction of signaling input and adjusting the activity of second messenger systems. This targeted pathway interference reduces the functional consequence of dysregulated activation. Collectively, this selective modulation and pathway regulation influences regulatory loops within the affected biological system, which leads to a predictable systemic physiological modification within the relevant organ system.

Dosage and Administration Information

How to use Biolev — Official Administration Guidelines

This map summarizes the established instructions for using Biolev (Bicalutamide), focusing on the administration procedure.


Administration Scope

Instruction Detail
Route of administration Oral, consistent with the film-coated tablet form.
Dosing schedule The dose is typically 50 mg once daily when administered in combination with an LHRH analog for metastatic disease, or 150 mg once daily for monotherapy in locally advanced disease.
Timing in relation to meals May be taken with or without food.
Preparation requirements Tablets must be swallowed whole with liquid. The score line on the 150 mg tablet is provided only to facilitate swallowing and is not intended for dividing the dose into halves.
Age-group administration rules Older Adults and patients with renal impairment typically do not require a dosage adjustment.
Missed-dose rules If a dose is missed, it must be skipped entirely. The next dose should be taken at the regularly scheduled time; a double dose is not permitted.
Special procedural conditions The medicine must be taken once daily at the same time each day. For the 50 mg regimen, administration should be initiated concomitantly with the LHRH analog treatment.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral administration.
Frequency pattern Daily (Once daily).
Regulatory basis Defined by established clinical protocols based on specific regimens.
Use-context constraints Used as part of a long-term continuous therapy plan, with some regimens specified for at least 2 years or until disease progression.

Resulting Procedural Structure

Official step sequence:

  • Take the prescribed dose (50 mg or 150 mg) as a film-coated tablet.
  • Swallow the tablet whole using a liquid.
  • Take the medicine once daily, ensuring the dose is taken at the same time each day.
  • Continue therapy long-term as directed by the treatment plan.

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

The instructions establish a daily, consistent, and continuous oral protocol for the systemic delivery of the antiandrogen. This procedure mandates that the tablet be taken whole, regardless of food intake, and that deviations from the schedule, such as a missed dose, must be managed by skipping the dose rather than increasing the next one. The regimen is defined by specific strengths (50 mg or 150 mg) which correspond to the clinical context of the anti-androgen therapy.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Biolev (Bicalutamide)

The information below summarizes the design and reported measurements from official clinical studies and regulatory reviews for Biolev. It describes the scope of the available research without offering any clinical guidance or recommendations.


Evidence for Use in Locally Advanced Prostate Carcinoma

Research was studied for use in adult males diagnosed with locally advanced prostate cancer, which is a condition characterized by functional limitations where the cancer has grown outside the prostate capsule. Large-scale, randomized controlled trials (RCTs) were used in research examining Biolev as an additional treatment alongside standard care such as radiation therapy or watchful waiting.

These studies monitored specific patient outcomes, including Overall Survival (OS) and Progression-Free Survival (PFS), which is the time interval measured before disease progression or spread. Findings describe patterns observed in the studies where patients receiving Biolev had their outcomes tracked over many years. What remains uncertain is how the research findings apply to all scenarios, as the results apply only to the populations studied, and follow-up durations were limited for certain subgroup analyses.


Evidence for Use in Metastatic Prostate Carcinoma

Biolev was studied for use in adult males with metastatic prostate cancer, where the disease has spread to other parts of the body. RCTs were used in research examining Biolev as part of Combined Androgen Blockade (CAB) therapy. Studies monitored Overall Survival (OS) and the time until the disease worsened, which is a trial measure known as Radiographic Progression-Free Survival (rPFS).

Research highlights changes measured during the study period in tumor biomarker levels, specifically Prostate-Specific Antigen (PSA) shift measurements, when Biolev was contrasted with other hormonal therapies. Comparative evidence is lacking for direct, randomized comparisons against the latest generation of hormonal therapies. Some research has noted findings related to the drug's properties that may affect its clinical behavior, and data for certain groups remain insufficient when evaluating sequential treatment.

Frequently Asked Questions (FAQ)

Common questions about Biolev (FAQ)


Q: How quickly does Biolev start working after taking it?

A: Regulatory documents describe the pharmacological process of Biolev. They indicate that the active component reaches its maximal constant level, or steady state, after approximately four to twelve weeks of continuous daily use. This timeframe relates to the period required to reach a stable, consistent level of the active ingredient in the bloodstream, according to pharmacological data.


Q: What is the main difference between Biolev and other similar drugs I see advertised?

A: Official information describes Biolev as a Non-Steroidal Antiandrogen (NSAA) with a specific profile. Key distinctions noted in regulatory pharmacology sections include the drug’s extended elimination half-life, which is a factor in its regulatory-approved regimen of once-daily dosing, as compared to some older NSAA medications.


Q: Is it safe to take Biolev if I also take a common over-the-counter pain reliever?

A: Regulatory documents list specific interaction patterns for Biolev with certain other medications, particularly those that affect clotting. While they do not specifically address every common over-the-counter pain reliever, the official label specifies that blood-clotting parameters, such as INR and Prothrombin Time (PT), should be closely monitored when Biolev is used in combination with certain anticoagulants.


Q: Does Biolev affect birth control pills?

A: Regulatory safety information addresses the use of Biolev in male patients with female partners who are of reproductive potential. Due to the potential for serious harm to an unborn baby, regulatory guidance specifies that male patients with female partners who can become pregnant should use effective contraception during treatment and for a specified period after the last dose of the medicine.


Q: What is the risk of developing a dependency on Biolev?

A: Biolev is classified as a Non-Steroidal Antiandrogen used in hormonal cancer therapy. Regulatory agencies have not classified this medicine as a controlled substance, and official documentation does not associate it with risks of physical or psychological dependency or abuse.


Q: Is Biolev considered a first-line treatment for its approved uses?

A: Regulatory documents describe Biolev’s role based on the context of its approved use. It is officially indicated for metastatic disease when used in combination with another hormonal therapy, and as an adjuvant (additional) treatment for locally advanced disease alongside standard clinical care.


Q: Does Biolev have a generic version available?

A: Yes, official bioequivalence studies have been conducted for regulatory bodies to confirm the quality and consistency of generic versions. These reports indicate that bicalutamide products from different manufacturers have been evaluated for bioequivalence and authorized for use by regulatory bodies.


Q: What is the half-life of Biolev?

A: Pharmacokinetic data available in regulatory documents describe the elimination half-life of Biolev's active component. During continuous daily dosing, this process takes approximately seven to ten days.


Q: Can Biolev affect my sleep patterns?

A: Official documentation lists drowsiness, referred to as somnolence, as a potential adverse reaction reported in clinical trials.


Q: Do many people experience weight changes while taking Biolev?

A: The official Summary of Product Characteristics (SmPC) notes that weight gain is a documented common adverse reaction. This means it has been reported to occur in 1 out of every 10 to 100 people during treatment.


Q: Is Biolev approved in countries outside of the US?

A: Yes, the medicine is regulated, approved, and authorized for use by major governmental health agencies outside of the United States. Examples include the European Medicines Agency (EMA) and the UK’s MHRA, which publish comprehensive regulatory documentation.


Q: Do I need to get blood tests while taking Biolev?

A: Official regulatory documents specify the need for routine monitoring of liver function (serum transaminase levels) due to the potential for liver changes. This monitoring is typically done prior to starting treatment and at regular intervals thereafter.


Q: How soon will I know if Biolev is working for me?

A: Regulatory documents describe how a patient’s biological response to the treatment may be monitored. They note that regular assessments of serum Prostate Specific Antigen (PSA) levels may be used by healthcare providers to help track the medicine's activity.


Q: What if I have an allergic reaction to Biolev?

A: Official safety information notes that hypersensitivity reactions, such as angioneurotic edema, have been reported. Furthermore, regulatory documents state that in the event of clinical signs of severe adverse reactions, such as serious liver problems, immediate discontinuation of the medicine is specified.


Q: Is there a list of ingredients in Biolev I can check?

A: Yes, regulatory documents, such as the FDA Prescribing Information, provide a full breakdown of the medicine’s composition. This includes both the active ingredient, Bicalutamide, and a list of the inactive ingredients used to formulate the film-coated tablets.


Q: Does Biolev cause dry mouth?

A: Dry mouth is not listed as a common reaction in primary regulatory documents. However, official safety information does note that Biolev may be associated with metabolic changes, such as high blood sugar, which can lead to symptoms like increased thirst.

How should Biolev be stored and disposed of?

Biolev (Bicalutamide) tablets must be stored according to official regulatory specifications to maintain product quality.

Storage Requirements

Condition Regulatory Requirement
Temperature Store at Controlled Room Temperature (20 C to 25 C), with excursions up to 30 C.
Protection Keep in the original, tightly closed container and protect from light and moisture.
Prohibited Do not refrigerate or freeze the tablets.

Disposal and Safety

Unused or expired Biolev must not be disposed of in household waste or flushed down the toilet (wastewater). The medicine must be returned to a pharmacist or local collection program according to local pharmaceutical waste regulations. Always keep Biolev out of the sight and reach of children.

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

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