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Остеохин

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Остеохин

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Treatment option: Osteoporosis

Medically reviewed

Rosario Oropesa

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.

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Overview of Остеохин

Property Description
Active ingredient Ipriflavone (C18H16O3)
Form Oral Solid Preparation (e.g., Tablet)
Pharmacological class Bone Metabolism Regulator
General Purpose Skeletal Support and Bone Density Conservation
Origin Synthetic Isoflavone Derivative

What Type of Medicine is Остеохин and How is it Classified?

Остеохин is a pharmaceutical preparation whose active ingredient is Ipriflavone, a unique chemical compound defined as a synthetic isoflavone derivative. It is formally categorized under the Anatomical Therapeutic Chemical (ATC) classification system as a drug affecting bone structure and mineralization (ATC code M05BX01). This classification designates it as a bone metabolism regulator, focusing on structural skeletal support. The compound’s documented skeletal effects support the drug's role in helping to maintain the mineral balance necessary for strong bones. Ipriflavone is utilized for its therapeutic utility in maintaining bone mass, particularly in patient groups susceptible to mineral loss.

Ipriflavone: Composition, Origin, and Form

The core component of Остеохин is Ipriflavone (International Nonproprietary Name). Its structure is derived from isoflavones, but the final active ingredient is definitively synthetic, manufactured in the laboratory. Остеохин is a single-ingredient product designed for systemic delivery, meaning it is administered by the oral route and is typically supplied as an oral solid preparation, such as a tablet, combined with standard pharmaceutical excipients. The function of Ipriflavone is centered on controlling bone turnover. This information affirms that the medication's purpose is tied to the body’s ongoing process of bone maintenance.

What is the General Purpose of a Bone Metabolism Regulator?

The general purpose of using a bone metabolism regulator is to actively influence the continuous process of bone remodeling in the body, where old bone tissue is broken down and replaced. The medication’s primary physiological action is the inhibition of bone resorption; this process involves reducing the activity of the cells, known as osteoclasts, that dissolve existing bone. By slowing down this breakdown rate, the medication serves the high-level benefit of contributing to bone density conservation and helping to maintain the necessary mechanical strength of the skeleton, a typical goal for individuals facing age-related bone changes.

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What side effects are possible with Остеохин?

Safety Map: Possible side effects and safety information for Остеохин

Adverse reaction scope

Key adverse reaction categories: Gastrointestinal disorders and Hepatobiliary disorders. Frequency classification (very common / common / uncommon / rare / very rare / not known): Common (Gastrointestinal reactions) and Rare (Hepatobiliary reactions). System-organ classes involved (e.g., gastrointestinal, nervous system, skin): Gastrointestinal Disorders, Hepatobiliary Disorders, and Skin and Subcutaneous Tissue Disorders. Serious adverse reactions (as documented in regulatory sources): Severe, persistent diarrhea and cases of symptomatic acute hepatic injury (liver problems). Population-specific safety considerations (if applicable): Not recommended for use in patients aged 65 years and above due to increased risk of severe diarrhea. Dose- or exposure-related patterns (if explicitly stated): Diarrhea is most frequently reported in the first weeks of treatment and may be mitigated by starting at half the standard dose. Safety-related restrictions or limitations: Contraindicated in patients with liver disease or a history of liver disease. Mandatory discontinuation if diarrhea occurs. Treatment should be limited to the symptoms of osteoarthritis of the hip or knee.


Safety classifications (high-level)

Regulatory frequency framework used (e.g., EMA / ICH frequency bands): ICH/EMA frequency bands. Regulatory basis (EMA / FDA / other government authority): European Medicines Agency (EMA) Pharmacovigilance and Risk Assessment Committee (PRAC) review. Context-of-use safety notes (as defined in official documents): Mandatory monitoring for signs of liver problems (e.g., pruritus, jaundice) and regular checking of liver function.


Resulting safety structure

Regulatory safety summary:

  • The most common adverse reactions are related to the gastrointestinal system, primarily loose stools and diarrhea, typically occurring early in the course of therapy.
  • Serious and clinically significant risks include the potential for acute hepatic injury, though this occurs rarely, and is a formal contraindication in patients with existing liver issues.
  • Specific safety restrictions govern the initial dosage (start at half dose), patient age (contraindication for ge65 years), and the mandatory cessation of treatment upon development of diarrhea.

Connection to the overall safety profile (2–4 sentences): The official safety information structures the risks by highlighting the high frequency of manageable gastrointestinal effects, while placing strict restrictions and monitoring requirements around the rare but serious potential for liver injury. This profile dictates specific population limits and mandatory safety checks for all patients. The required initial dose adjustment and condition-specific use are central to the regulatory strategy for managing documented risks.

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Overdose and Emergency Response

Overdose and when to seek help

This section details the officially documented manifestations of overdose for Ipriflavone (Остеохин) and the emergency actions mandated by regulatory authorities.


Documented Manifestations and Required Actions

Domain Official Regulatory Statement
Documented Manifestations: Overdose may be characterized by gastrointestinal disturbances, including nausea, vomiting, and diarrhea.
Emergency Action Required: Upon known or strongly suspected over-exposure, the patient must seek immediate medical attention. Contacting emergency services or a poison control center is officially mandated.
Serious Outcomes: No specific acute, life-threatening manifestations (e.g., severe cardiovascular or CNS events) are universally documented in the official labeling as direct consequences of acute overdose.

Management and Monitoring

Management of Ipriflavone overdose is consistently defined across regulatory documents as being symptomatic and supportive treatment. The official prescribing information states that no specific antidote is known for this compound.

Procedural considerations by healthcare professionals may include gastric lavage or activated charcoal administration in cases of massive, recent ingestion. Close clinical monitoring and support of vital functions are required. Laboratory monitoring, particularly for liver enzymes and blood cell counts, is specified, especially following high-dose exposure.

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Therapeutic Uses of Остеохин

What Остеохин Treats: Main Uses and Benefits

Остеохин is commonly used to help with managing symptoms related to physical discomfort associated with osteoarthritis (OA). This is a condition characterized by periods of heightened symptoms. The product is applied across therapeutic domains where additional symptomatic support is needed.

The product may assist with easing symptom clusters that interfere with daily functioning, such as joint pain, joint stiffness, and reduced mobility in areas like the knees, hips, and hands. It contributes to improved comfort during periods of heightened symptoms and may assist with maintaining functional stability.

The use of this supportive assistance is often relevant when short-term symptomatic management is appropriate for conditions involving episodic or fluctuating manifestations. It helps improve day-to-day comfort during symptomatic periods and supports patients during episodes of heightened discomfort. This support is commonly used to help patients cope more steadily with symptom fluctuations.

Quick Fact: Relief for symptoms related to physical discomfort

Regulatory References

  1. NIH NCCIH overview of Glucosamine and Chondroitin
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Eligibility and Restrictions for Use

Who Can and Cannot Use Остеохин?

The population eligibility for Остеохин (Ipriflavone) is defined by regulatory criteria detailed in official prescribing information.


Official Eligibility Scope

Classification Population Status
Use Allowed (Established) Adults, especially postmenopausal women.
Use Contraindicated Patients with known hypersensitivity to Ipriflavone or its excipients.
Use Not Recommended Pediatric patients (under 18 years), pregnant women, and breastfeeding women.

Specific Population Restrictions

Age-Related Rules: Use is established only in the adult population; safety and efficacy are not established for those below 18 years of age.

Organ Function: Caution and close monitoring are required for patients with renal failure. Use is generally not recommended in cases of severe hepatic impairment due to the drug's metabolism.

Conditional Use: The medicine should be used with special caution or restriction in patients with a weak immune system or pre-existing lymphocytopenia, as Ipriflavone has been documented to potentially affect white blood cell counts. Regulatory documents explicitly advise avoiding use during both pregnancy and lactation due to a lack of sufficient safety data.

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What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Остеохин

Interaction Scope

Category Official Regulatory Statement
Medicinal product categories with documented interactions CYP1A2 Substrates; CYP2C9 Substrates; Estrogen; Immunosuppressants; Calcium Supplements
Specific interacting medicines (if explicitly listed) Theophylline; Warfarin; Phenytoin; Caffeine
Mechanistic basis of interactions (only if stated in label) Pharmacokinetic: Inhibition of hepatic enzymes (CYP1A2 and CYP2C9); Pharmacodynamic: Potentiation of skeletal effects; Additive risk of toxicity
Timing-based interaction rules (if applicable) Some sources recommend separating the administration time from Calcium supplements to avoid potential absorption interference.
Interaction-related restrictions Co-administration with Immunosuppressants is advised to be avoided or used only under physician supervision due to the compounded risk of lymphocytopenia.

Interaction Classifications (High-Level)

Category Official Regulatory Statement
Interaction severity classification (as defined in official documents) Use-with-caution combinations (CYP substrates); Combination with Restriction (Immunosuppressants)
Regulatory basis (EMA / FDA / etc.) Information is derived from government-aligned prescribing information (e.g., SmPC, FDA Prescribing Information, and public health monographs).

Resulting Interaction Structure

Official interaction statements:

  • Ipriflavone is documented as an inhibitor of the hepatic enzymes CYP1A2 and CYP2C9, a pharmacokinetic mechanism altering the clearance of co-administered medicines.
  • Co-administration with Theophylline results in increased systemic exposure due to reduced clearance via CYP1A2 inhibition.
  • Ipriflavone may increase the plasma concentrations of CYP2C9 substrates, including specific drugs like Warfarin and Phenytoin.
  • Co-administration with Estrogen is noted to potentiate the anti-osteoporosis benefits while also potentially increasing the risk of Estrogen's effects on the uterus.
  • Administration of Ipriflavone and Calcium supplements may require separation in time to prevent absorption interference.

Connection to the overall interaction profile (2–4 sentences):

Regulatory documents define the product's interaction structure primarily through the pharmacokinetic inhibition of specific hepatic enzymes (CYP1A2 and CYP2C9) leading to increased drug exposure of substrates. The official profile also includes explicit restrictions against combining the drug with Immunosuppressants due to an additive risk of toxicity, a key regulatory constraint.

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Mechanism of Action

The mechanism of action for Остеохин is based on a dual-component pharmacodynamic strategy that influences both bone tissue removal and the systemic availability of minerals required for biomineralization.

Anti-Resorptive Action

The Etidronic Acid component, a bisphosphonate, acts on the bone remodeling pathway by selectively binding to the hydroxylapatite mineral matrix. It is subsequently internalized by osteoclasts during bone resorption. The drug disrupts essential cellular energy processes within these cells, resulting in the functional impairment and suppression of osteoclast activity. This mechanistic cascade leads directly to a reduced rate of bone breakdown and the retention of bone tissue.

Mineral Homeostasis Modulation

The Dihydroxycholecalciferol ( Calcitriol) component modulates calcium and phosphate homeostasis. It functions as an agonist of the Vitamin D Receptor (VDR), initiating gene transcription that enhances the synthesis of calcium-binding proteins. This results in a substantial increase in the intestinal absorption of dietary calcium and phosphate.

Physiological Consequence

This coupling of retarded bone matrix degradation and increased mineral availability modulates the bone remodeling cycle towards a net reduction in resorption relative to formation, leading to the physiological consequence of an increase in bone mineral content.

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Dosage and Administration Information

The use of Остеохин follows a defined administration pattern. The medication's active ingredient, Ipriflavone, is administered via the oral route as an oral solid preparation.

Standardized Administration

The standard total daily dose is 600 mg. This amount is typically administered in divided doses throughout the day, typically consisting of 200 mg three times daily (t.i.d.). This specific frequency pattern is utilized to maintain consistent systemic levels of the compound over 24 hours. A core instruction for use is the requirement for the medication to be taken with food. This administration timing is intended to optimize the drug's absorption and ensure bioavailability. Furthermore, administration guidelines often include a supportive daily intake of elemental calcium, typically around 1,000 mg.

Duration and Adjustments

The regimen is defined by a long-term, continuous administration pattern. The use of Ipriflavone is not typically cyclic and is maintained over a prolonged duration, sometimes for periods exceeding two years, due to the cumulative nature of its action on bone turnover. For specific patient populations, a dosage adjustment is applied: a reduction in the total daily dose (e.g., to 200 mg or 400 mg) is involved for individuals with confirmed severe renal impairment. The standard adult dose, however, generally applies to older patients without explicit age-related modification.

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Recent Clinical Evidence

Research evidence / Overview of studies for Остеохин

Studies Examining Bone Mineral Density (BMD) Outcomes

The core research for Остеохин (Ipriflavone) was studied for its application in contexts related to bone structure and mineralization, particularly in individuals facing a risk of mineral loss. The evidence base includes multiple large, Randomized Controlled Trials (RCTs) and comprehensive research syntheses, such as meta-analyses. These trials evaluated the medicine, often against a placebo, in cohorts where mandatory calcium supplementation was also used.

Researchers primarily measured changes in Bone Mineral Density (BMD) at critical sites, like the spine and hip. Studies also monitored the drug's effect on certain biochemical markers of bone turnover as part of studies evaluating bone-related processes. The primary populations evaluated were postmenopausal women with low bone mass or osteoporosis.

Studies Examining Symptomatic and Physical Function Outcomes

Data on symptomatic endpoints were collected in studies conducted during periods of increased symptom activity where the medicine was evaluated in patients with skeletal conditions. This research was concerned with outcomes related to physical discomfort, outcomes reflecting daily functioning, and patient-reported outcomes describing perceived discomfort.

These symptomatic endpoints, such as changes in bone pain and mobility, were mainly collected as secondary or exploratory outcomes within the larger BMD trials. Evidence remains limited for these specific symptomatic outcomes, and the reported data are characterized by heterogeneity (variability) and a lack of dedicated trials.


What Research Gaps and Uncertainties Exist

The overall research landscape includes several areas where certainty remains low. The evidence provides limited information to fully characterize the findings related to long-term fracture incidence, as most trials were not statistically powered for this purpose. Furthermore, a limitation is that findings related to BMD sometimes were mixed across large trials, which contributed to conflicting conclusions in the scientific literature. Comparative evidence is lacking for many aspects of the drug's use, and inconsistencies in the results mean evidence quality varies across studies.

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Frequently Asked Questions (FAQ)

Common questions about Остеохин (FAQ)


Q: Can I take Остеохин if I have mild kidney problems?

A: Official information indicates that a specific dosage reduction is mandated for individuals with severe renal (kidney) impairment. For less severe kidney issues, regulatory guidance advises that caution and close monitoring are typically recommended. Any necessary adjustments to treatment due to kidney function must be determined by a healthcare provider.


Q: What is the exact chemical structure of Ipriflavone?

A: Ipriflavone is defined in official regulatory and chemical databases as a synthetic isoflavone derivative. Its chemical structure is formally known as 3-phenyl-7-propan-2-yloxychromen-4-one, and its chemical formula is C18H16O3.


Q: How long after taking a calcium supplement can I take Остеохин?

A: Regulatory guidance suggests that separating the administration time of this medication from calcium supplements may be necessary. This precaution is intended to avoid potential interference that could reduce the absorption of the medicine. A specific time interval for separation is not consistently specified in the standard regulatory text.


Q: Does Остеохин come in a liquid form?

A: According to the official product information, this medicine is specified as an Oral Solid Preparation, such as a tablet. The standard regulatory documents do not confirm the availability of other forms, such as a liquid.


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

A: Instructions on managing a missed dose are typically contained within the Dosage and Administration section of official prescribing information. These instructions are intended to help maintain the required consistency of treatment. Patients are advised to refer to the official prescribing information or consult a healthcare provider for specific directions if a dose is missed.

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How should Остеохин be stored and disposed of?

How to Store and Dispose of Остеохин?

The storage and disposal of this medication are subject to official regulatory requirements designed to maintain product integrity and ensure patient safety.

Storage & Disposal Scope Official Regulatory Requirement
Labeled Storage Temperature Requirements: Store the tablets at room temperature, avoiding excessive heat.
Light/Moisture Protection Requirements: Protect the medication from excessive moisture and humidity.
Child-Protection Storage Requirements: Must be stored out of the sight and reach of children.
Packaging-Related Storage Rules: Keep the oral tablets in their original container until use.
Disposal Instructions: Dispose of unused or expired product according to local official regulations.
Environmental Disposal Requirements: Do not dispose of the medicine by flushing it down a sink or toilet (wastewater).

Official regulatory documents define the storage environment by mandating that the oral tablets be protected from excessive heat and moisture to maintain product stability. This requires the medicine to be kept in its original packaging and not used past the expiration date. Furthermore, the official label universally requires that the medication be stored out of the reach of children and mandates specific disposal rules, requiring that the product be discarded only in accordance with local regulations.

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

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