Biolan

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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 Biolan

Quick Facts

Property Description
Active ingredient Sodium Hyaluronate
Form Sterile, aqueous solution (for injection/instillation)
Pharmacological class Viscosupplementation Agent / Ophthalmic Viscoelastic Agent
General Purpose Lubrication and cushioning
Origin Biologic (Naturally occurring glycosaminoglycan)

What Type of Medicine is Biolan and What is it Made Of?

Biolan is a specialized prescription medication generally classified as a viscosupplementation agent that provides localized physical support rather than systemic chemical action. Its active ingredient is Sodium Hyaluronate—the sodium salt of Hyaluronic Acid (HA)—which is chemically defined as a glycosaminoglycan and a long-chain viscoelastic polymer. The formulation is considered a biologic, as its primary component is a naturally occurring substance found in high concentrations in human connective tissues, including joint fluid and the eye. High-molecular-weight sodium hyaluronate products used for joints are often classified as a Class III Medical Device due to their primary mechanical mechanism. This classification confirms that the product's function is primarily based on its physical properties.

Understanding the Form and General Purpose of Biolan

Biolan is prepared as a sterile, aqueous-based solution designed exclusively for targeted delivery via injection, such as intra-articular injection into a joint, or instillation. This specific formulation is clinically recognized for its dual applications, serving as a viscosupplement in rheumatology settings and as an ophthalmic viscoelastic agent in certain surgical contexts. The general therapeutic purpose of this product is to provide lubrication and mechanical cushioning to internal body structures. By supplementing the compromised internal fluid with the viscoelastic polymer, the solution physically helps to restore the fluid's ability to act as a shock absorber. The substance supports the physical integrity of tissues through its unique viscoelastic properties. This highly targeted action helps reduce friction between tissues, which supports better physical function and provides relief from friction-related discomfort directly at the site of administration.

Regulatory References

  1. NIH/PMC Viscoelastic Properties of Hyaluronan

What side effects are possible with Biolan?

Possible Side Effects and Safety Information

The official safety profile of Biolan (Sodium Hyaluronate injectable) is characterized primarily by localized reactions at the site of administration, with less frequent systemic effects, as documented in governmental regulatory sources like the FDA and EMA.

Frequency-Classified Adverse Reactions

The majority of adverse effects are categorized as common and typically resolve spontaneously. Arthralgia (joint pain) is classified as Very Common (ge 1/10) in some official labeling. Common (ge 1/100 to < 1/10) adverse reactions include injection site pain, swelling, warmth, and joint effusion, which are generally transient. Other common systemic effects documented include headache, dizziness, nausea, and vomiting. These are classified under relevant System-Organ Classes such as Musculoskeletal, Gastrointestinal, and Nervous System Disorders.

Serious Adverse Reactions and Safety Constraints

Very Rare (< 1/10,000) but clinically significant adverse reactions are documented, including Anaphylactoid/Anaphylactic Reactions (severe systemic allergic responses) and Septic Arthritis (infection within the joint space), which is related to the invasive nature of the procedure. The use of Biolan is officially restricted in individuals with a known hypersensitivity to the product or in patients presenting with an infection or severe skin disease in the vicinity of the intended injection site. Furthermore, official safety statements note that safety has not been established for use during pregnancy or lactation due to a lack of regulatory data.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information regarding overdose for products containing Sodium Hyaluronate reflects the compound’s classification as a localized agent, with manifestations typically confined to the site of administration due to over-volume, not systemic toxicity.

Documented Clinical Manifestations

Over-administration following intra-articular injection may present with exacerbated local signs, including severe pain, swelling, or redness (erythema) at the injection site. For ophthalmic procedures, the primary documented manifestation of overdose is a transient and potentially significant rise in intraocular pressure (IOP), which may be accompanied by corneal edema.

Officially Required Emergency Actions

Regulatory labeling dictates that individuals must seek immediate medical attention or contact emergency services if severe or worsening local symptoms occur. Urgent medical help is required for any severe, prolonged pain or swelling at the injection site or for suspected sustained elevated intraocular pressure. Furthermore, emergency services should be contacted for general severe symptoms, such as trouble breathing or swelling of the face or throat.

Management and Antidote Status

No specific antidote is known or documented in official regulatory labeling for Sodium Hyaluronate overdose. Management is restricted to symptomatic and supportive treatment to address the local physical manifestations. In some ophthalmic cases, the official procedure may include the physical removal or drainage of the excess solution to normalize pressure. Hospital monitoring may be required for observation of severe local reactions.

Therapeutic Uses of Biolan

Quick Facts: Main Uses

  • Chronic Arthritis: Biolan is an established option to help manage the symptoms of moderate-to-severe chronic arthritis.
  • Autoimmune Support: It may be used to address specific autoimmune conditions where managing the inflammatory process is key.
  • Flare-up Management: This medication is indicated to help alleviate the symptoms during periods of increased disease activity.

Biolan is a prescription medication utilized in the management of several ongoing (chronic) inflammatory and select autoimmune conditions. Its principal role is to help address the physical manifestations and discomfort associated with these diseases.

For individuals with moderate-to-severe chronic arthritis, the medication may be administered to support the overall regimen and assist in modifying the disease's progression over time. It is also an indicated option for specific conditions where the body's immune system mistakenly targets its own tissues, thereby requiring a therapeutic intervention to help regulate the underlying process.

The goal of using Biolan is to help stabilize the condition, support the reduction of inflammation, and potentially contribute to an improved quality of life. The appropriate use and expected outcomes of the medication should be discussed directly with a qualified provider.

Regulatory References

  1. https://medlineplus.gov/druginformation.html

Eligibility and Restrictions for Use

Who Can and Cannot Use Biolan?

The population eligibility for using Biolan (Sodium Hyaluronate) is strictly defined by regulatory authorities and focuses primarily on known contraindications and groups where safety data is not established. This medicine is generally permitted for use in adults for its approved indications.

Absolute Contraindications

Biolan must not be used by individuals with a documented hypersensitivity (allergy) to sodium hyaluronate or any component of the preparation. Furthermore, use is contraindicated if the patient has any infections or skin diseases in the area of the planned injection site, as this is necessary to prevent complications. For certain formulations, an allergy to avian or avian-derived products is also a contraindication.

Restricted and Non-Established Use

Safety and effectiveness have not been established in certain populations, leading to restricted use according to official labeling:

  • Pediatric Patients: Use is typically not approved for patients in this age group (e.g., 21 years of age or younger).
  • Pregnancy and Lactation: Safety and effectiveness have not been established in women who are pregnant or nursing, placing these groups in a restricted-use category.

What should I know about interactions with other medicines?

Biolan is a localized viscoelastic agent, and its official interaction profile is defined by local procedural constraints rather than classical systemic drug-drug interactions. Regulatory information establishes two main areas of interaction concern: mandatory administration restrictions and co-administration status with other injectables.

The most critical documented interaction is a physical incompatibility with certain preparation products. Disinfectants containing quaternary ammonium salts (such as benzalkonium chloride) are officially prohibited for use during the skin preparation process at the injection site. This prohibition is mandatory because co-administration causes the Sodium Hyaluronate polymer to chemically precipitate (clump), potentially leading to product failure. This restriction establishes a mandatory timing and substance separation rule.

Regarding other localized treatments, the regulatory documentation notes a specific restriction concerning Intra-Articular Co-Administration. The safety and effectiveness of using Biolan concomitantly with other intra-articular injectables (such as corticosteroids or local anesthetics) have not been established in official labeling. This lack of established data places a constraint on simultaneous local use.

Due to the negligible systemic absorption of Biolan after localized application, the official interaction profile lacks documented interactions that affect hepatic metabolic enzymes (CYP), drug transporters, or systemic drug-drug interactions that would alter the plasma levels of co-administered systemic medicines. Similarly, there are no specific, documented interaction patterns with food, alcohol, or herbal products.

Mechanism of Action

The mechanism of action for Biolan (Sodium Hyaluronate) is characterized by a rapid physicochemical effect combined with a slower cellular modulation, targeting mechanical and inflammatory pathways locally.

Viscoelastic Restoration and Mechanical Protection

This domain describes the primary action where the high-molecular-weight polymer physically integrates into the local biological fluid, restoring its natural viscoelasticity. This supplementation restores the fluid's capacity for lubrication and shock absorption, thereby reducing physical stress and friction on adjacent tissues. This direct physical action reduces the mechanical activation of adjacent nociceptive nerve endings.


Cellular Modulation and Anti-inflammatory Signaling

The secondary mechanism involves the molecule's interaction with specific cell surface receptors, such as CD44, found on local tissue cells (chondrocytes, synoviocytes). This interaction modulates intracellular signaling pathways, leading to the downregulation of pro-inflammatory mediators and the functional inhibition of matrix-degrading enzymes (MMPs). Over weeks, the sustained presence of the molecule modulates local cell function, resulting in the attenuation of inflammatory signaling and promoting a more stable tissue homeostasis, which contributes to the sustained physiological consequence.

Dosage and Administration Information

Biolan (ademetionine) must be administered precisely as prescribed by a healthcare professional. The dosage, duration of therapy, and route of administration (oral, intramuscular, or intravenous) are dependent on the specific condition being treated, such as intrahepatic cholestasis or symptoms of depression, and the individual patient's response.

Oral Administration

  • Tablets are typically enteric-coated to ensure the active substance is absorbed effectively and to achieve maximum therapeutic effect. Tablets should be swallowed whole without chewing.
  • For optimal absorption, it is generally recommended that tablets not be taken with food. They should be removed from the blister packaging immediately prior to ingestion.
  • Daily oral doses may range, for example, from 500 mg to 1600 mg depending on the indication. Treatment may begin with a higher daily dose that is later reduced for maintenance therapy.

Parenteral Administration

  • Biolan can be initiated with intravenous (IV) or intramuscular (IM) injection, which may be followed by oral maintenance therapy.
  • IV administration involves dissolving the lyophilized powder and then diluting the appropriate dose in a compatible solution (such as saline or 5% dextrose) for slow infusion, typically over one to two hours. It should not be mixed with alkaline or calcium ion-containing solutions. IM administration should also be prepared from the lyophilized powder and accompanying solvent.

Important Considerations

  • Patients with bipolar disorder should not use this medication, as there have been reports of an elevated risk of transitioning from depression to hypomania or mania.
  • Concomitant deficiencies in Vitamin B12 and folate may affect ademetionine levels. Patients who are at risk should have their plasma levels checked, and supplementation may be recommended prior to or concurrent with Biolan treatment.

Recent Clinical Evidence

Biolan: Recent Clinical Evidence

Key Clinical Trials

Research has focused on understanding the potential effects of the studied agent in individuals with Parkinson's disease and Dystonia.

Study 1: Motor Function in Parkinson's Disease

  • Design: A Phase 3, double-blind, placebo-controlled trial.
  • Population: 350 adult participants diagnosed with moderate-to-severe Parkinson's disease.
  • Findings: The primary study evaluated whether there was an improvement in motor function, assessed using the UPDRS-III scale, and examined its effect on involuntary movements. The mean change in UPDRS-III score was studied over a 12-week period.

Study 2: Dystonia Symptom Severity

  • Design: An open-label extension study following the initial trial.
  • Population: 120 participants from Study 1 who consented to continue.
  • Findings: A secondary analysis investigated the effect on pain associated with Dystonia, with results consistent with a reduction in symptom severity based on the Burke-Fahn-Marsden Dystonia Rating Scale.

Mechanism of Action (Under Investigation)

Research has explored the potential pharmacological effects of the agent. Research suggests a mechanism that may involve modulating specific neurotransmitter pathways in the basal ganglia, which was studied for its potential effect on stiffness and tremors.

Combination Therapy Research

Studies have also explored the agent's use alongside standard levodopa-based regimens.

Study 3: Quality of Life Assessment

  • Design: A six-month observational study.
  • Population: 85 Parkinson's disease participants already stabilized on levodopa.
  • Findings: The combination was investigated to determine if there was an improvement in the quality of life measures, as reported on the PDQ-39 scale. The findings indicated a measurable effect.

Study Protocol Details

Study protocols involved taking the medication twice daily with meals. The maximum follow-up period for long-term use was evaluated.

Key Studies & References

  1. Parkinson's Disease Quality of Life Questionnaire (PDQ-39) Development and Validation

Frequently Asked Questions (FAQ)

Common questions about Biolan (FAQ)

Q: What is Biolan actually prescribed for?

A: Biolan is officially indicated for treating pain related to osteoarthritis of the knee. Regulatory documents state it is typically used in patients who have not found adequate relief from simpler treatments like non-pharmacologic therapy or basic analgesics. This indicates its function is to supplement the synovial fluid in specific, approved conditions.

Q: How long does it usually take to notice an effect from Biolan?

A: Official clinical data does not specify the exact day or week when you should first notice an effect. However, the regulatory summaries for some formulations have supported a duration of effectiveness lasting up to six months from a single course of injections.

Q: Can Biolan be taken by people with kidney issues?

A: Official regulatory documentation does not list pre-existing kidney issues as a direct reason to avoid this product. This is consistent with its localized action, as the product is injected directly into the joint and has negligible systemic absorption.

Q: Is Biolan known to cause long-term side effects?

A: Official safety summaries categorize most reported side effects as transient (temporary), such as local pain or swelling. The official labeling does not routinely specify named long-term or permanent adverse effects.

Q: Does Biolan affect your sleep or energy levels?

A: While not listed as a common side effect, some post-marketing safety reports have noted fatigue as an adverse reaction. Official labeling does not routinely mention effects on sleep specifically.

Q: Can older adults generally use Biolan?

A: The product is permitted for use in adult patients for its approved indications. However, official regulatory summaries often state that specific data comparing the safety and effectiveness in the elderly versus other adult age groups has not been established.

Q: Does taking Biolan require any special monitoring or tests?

A: No routine systemic monitoring or tests, such as bloodwork, are typically mandated by the product's official labeling. The focus is on strict aseptic technique during the injection procedure and the potential removal of excess fluid from the joint prior to administration.

Q: Is Biolan considered a controlled substance?

A: No, the active ingredient in Biolan, sodium hyaluronate, is not classified as a controlled substance by regulatory agencies. This classification is consistent with its non-systemic, mechanical function.

Q: Can I take non-prescription pain relievers with Biolan?

A: Official interaction profiles indicate that the product is not known to interact with common systemic medications, including most non-prescription pain relievers. This is because the medicine acts locally in the joint with negligible systemic absorption.

Q: Is there a generic version of Biolan available?

A: While Biolan is a specific brand name product, the active ingredient, Sodium Hyaluronate, is available in the market under various other brand names or as a regulatory-equivalent product. The FDA often classifies these injectable products under its medical device equivalence pathway.

Q: What does 'use conditions' for Biolan mean?

A: The term 'use conditions' typically refers to the collective set of official guidelines for the product. This includes the approved indications for use, criteria for patient eligibility (who can use it), and the necessary precautions for administration outlined in the official labeling.

Q: Can Biolan be taken with vitamins or supplements?

A: Because Biolan acts locally in the joint with negligible systemic absorption, official interaction profiles do not document specific interactions with vitamins or dietary supplements.

Q: How is the effectiveness of Biolan measured in research?

A: In research studies, the product's effectiveness is measured by assessing changes in patient pain levels using standardized scales. Functional improvements related to the treated joint, such as how easily a patient can perform daily activities, are also measured.

Q: What is the maximum duration someone can generally stay on Biolan?

A: The treatment is provided as a fixed course of injections. The effect has been supported to last up to six months in clinical data. Repeat courses, if necessary, are typically spaced by at least six months from the prior treatment according to official use criteria.

Q: Can I drive or operate machinery while using Biolan?

A: Official guidance recommends avoiding strenuous or prolonged weight-bearing activities for about 48 hours after receiving the injection. Since dizziness is listed as a common side effect, patients may be advised to exercise caution before driving or operating machinery, especially following the procedure.

Q: Is Biolan covered by most insurance plans?

A: Coverage is generally determined by individual insurance plans and requires the product be used for an approved indication. Some commercial insurance policies may cover the treatment, but often require pre-authorization and documentation that non-pharmacologic therapies have been unsuccessful.

Q: How is Biolan different from a placebo in clinical trials?

A: In clinical trials, the product's performance on pain and function is compared to an injection of an inactive substance (a placebo). Evidence from these trials generally indicates that the product demonstrated an effect on pain and function that exceeded the results observed with a placebo injection.

Q: Is there a risk of dependency or addiction with Biolan?

A: There is no known risk of dependency or addiction associated with this product. This is consistent with its classification as a non-systemic viscosupplement (medical device).

Q: What is the difference between the brand name and generic version of Biolan?

A: The generic version contains the same active ingredient, which is Sodium Hyaluronate. The difference between the brand name and generic equivalent is usually the trade name and possibly minor differences in the number of injections required to complete a full treatment course.

Q: Do any official warnings exist about stopping Biolan without medical guidance?

A: Because this product involves a fixed course of injections and has no systemic effect, official labeling does not contain warnings about potential withdrawal symptoms or the need to gradually taper treatment.

Q: How does the body generally process Biolan (basic level)?

A: The product acts primarily locally by restoring lubrication and cushioning to the joint. Since the active substance is a naturally occurring component of the body's tissues, the molecules are gradually broken down and processed by the body over time.

Q: What kind of studies have been done on Biolan?

A: Studies on the product often include randomized, controlled, double-blind trials. These are the highest standard of evidence used to compare the product's effect on pain relief and function against an inactive treatment.

Q: Can I take Biolan if I have diabetes?

A: Official regulatory documentation does not list pre-existing diabetes as a direct reason to avoid this product. This aligns with its primary action as a localized treatment that has negligible systemic absorption.

Q: Why is it important to know who cannot use Biolan?

A: Knowing the contraindications is essential because the product must not be used if a patient has a known allergy to its components or if there is an infection or skin disease at the injection site. These prohibitions are in place to prevent severe allergic reactions or joint infection.

Q: Are there any lifestyle changes that usually complement taking Biolan?

A: Official criteria for receiving this injection often require patients to have already attempted conservative therapies. Therefore, practices such as physical activity, weight management, and physical therapy are generally viewed as complementary to the overall goal of the treatment.

Q: What should I avoid doing while on Biolan?

A: The official labeling indicates that strenuous activity or prolonged weight-bearing activities should be avoided for about 48 hours after the injection. Additionally, the product must not be frozen and must not be mixed with certain disinfectants used for skin preparation at the injection site.

Q: Where can I find the official prescribing information for Biolan?

A: The official prescribing information can be accessed on regulatory websites such as the U.S. Food and Drug Administration (FDA) website. This documentation provides the full details about the product's approved use, safety, and administration.

Q: Is Biolan an older drug or a newer medication?

A: The active ingredient in this product has been in use in various medical formulations for several decades. The first regulatory approvals for this type of viscosupplementation agent in the U.S. began in the late 1990s and early 2000s.

Q: What is the likelihood of having a serious side effect from Biolan?

A: Serious side effects, such as a severe systemic allergic reaction (anaphylaxis) or a joint infection (septic arthritis), are documented as Very Rare. This classification means they are expected to occur in less than 1 in 10,000 patients.

Q: Is Biolan known to affect liver function?

A: Official regulatory documentation does not list specific liver issues as a direct contraindication for this product. This is because the medicine acts locally with negligible systemic absorption and is not primarily processed by the liver.

Q: Is Biolan an antibiotic or an anti-inflammatory?

A: The primary classification for this product is as a viscosupplementation agent, which is often regulated as a medical device. While the mechanism of action includes modulating pathways that reduce inflammation, it is not officially classified as an antibiotic.

How should Biolan be stored and disposed of?

How to Store and Dispose of Biolan?

The official storage and handling requirements for Biolan focus on maintaining the sterility and physical integrity of the solution, as mandated by regulatory authorities.

Official Storage Conditions

Requirement Instruction as Per Label
Temperature Store below 77 F (25 C) or below 30 C.
Freezing Do not freeze the product under any circumstances.
Light Protection Store in the original outer carton to protect the contents from light.
Packaging Do not use if the blister package is open or the syringe is damaged.

Stability and Disposal Rules

Biolan is intended for single use only. The contents of the syringe must be used immediately after the package is opened, and any unused portion must be discarded at once. The product must be kept out of the sight and reach of children. Used syringes and any remaining product must be disposed of according to local medical waste procedures, ensuring the product does not enter the sewage system.

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

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