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Неовир

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Неовир

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Treatment option:

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.

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Overview of Неовир

Defining Неовир: A Synthetic Immunomodulator and Interferon Inducer

Неовир is a medicinal product classified as a prescription-only, synthetic immunomodulator and an interferon inducer. Its primary function is to influence and strengthen the body's natural defense systems.

The core chemical identity of Неовир lies in its single active substance, oxodihydroacridinylacetate sodium, which belongs to the synthetic chemical group known as acridone derivatives. The compound’s mechanism is defined by its capacity to stimulate the endogenous production of interferons (alpha and gamma), which are protective proteins. This specific immunotropic action places Неовир within the Anatomical Therapeutic Chemical (ATC) classification under L03AX—other immunostimulants.

Composition and Type: The Role of Oxodihydroacridinylacetate Sodium

The pharmaceutical preparation of Неовир is characterized by the use of oxodihydroacridinylacetate sodium as its only active ingredient. This makes it a single-component product.

The medicine is supplied as a clear, aqueous solution for injection intended for intramuscular (IM) administration. The choice of the injectable form is a distinguishing factor compared to oral immunomodulators, as it is designed to ensure systemic absorption of the low molecular weight compound. This formulation is intended to achieve the kinetic profile required to initiate the compound's immune-modulating effects.

General Purpose: Supporting the Body’s Defensive Capacity

The general purpose of Неовир is to support the body’s overall defensive capacity, particularly when the immune system requires support. By triggering the internal production of protective proteins and influencing the activity of cells like macrophages and natural killer (NK) cells, the compound assists in the immune system's general readiness. This action provides a non-specific method of defense, intended for scenarios where the body needs to resist various infectious challenges.

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What side effects are possible with Неовир?

Possible side effects and safety information for Неовир

Regulatory documents classify the possible adverse reactions of Oxodihydroacridinylacetate Sodium according to frequency and the body system affected. The medicine’s safety profile is formally organized to highlight both the most common and the most serious documented events.


Frequency-Classified Adverse Reactions

Adverse reactions are formally categorized based on the likelihood of their occurrence, using standardized regulatory frequency bands:

Classification Examples of Reactions
Common (≥ 1/100 to < 1/10) Injection site pain, Fever (pyrexia), Headache
Uncommon (≥ 1/1,000 to < 1/100) Chills, Transient dizziness, Local redness/induration
Rare (≥ 1/10,000 to < 1/1,000) Allergic reactions (e.g., rash, pruritus)

These effects are generally classified under General Disorders and Administration Site Conditions and Nervous System Disorders. The systemic effects, such as fever and headache, are more frequently observed at the beginning of the treatment course and are linked to the drug’s action as an interferon inducer.


Serious Adverse Reactions and Safety Constraints

The official label documents the risk of severe Hypersensitivity Reactions, including anaphylaxis, following administration. These events establish a high-level safety threshold requiring careful patient monitoring.

Specific safety constraints apply to certain patient populations. The medicine is contraindicated in individuals with a known severe hypersensitivity to the active substance or any excipients. Furthermore, the label requires caution or defines contraindications for patients with severe renal impairment, severe hepatic impairment, and pre-existing autoimmune diseases.

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Overdose and Emergency Response

Overdose and When to Seek Help

This section outlines the official regulatory information for an overdose of Неовир (Oxodihydroacridinylacetate Sodium), based strictly on government-approved prescribing information.

Documented Overdose Profile

The official regulatory documents for Неовир generally indicate the product has a low acute toxicity profile. Consequently, no specific clinical symptoms, signs, or severe life-threatening outcomes (such as cardiovascular or neurological complications) resulting from an acute overdose are formally documented or reported in the official prescribing information.

Required Emergency Actions

Despite the low documented toxicity, regulatory authorities mandate a clear action in the event of over-administration.

  • Seek Medical Attention: The required action following any suspected or confirmed over-administration is to seek medical attention or consult a physician immediately to assess the situation.

  • Management Strategy: The officially described treatment for managing an overdose is non-specific, restricted to symptomatic therapy and supportive care. No specific antidote for Oxodihydroacridinylacetate Sodium is known or listed in the official regulatory documentation. Specific procedural steps, such as gastric lavage, are generally not required for this injectable form.

  • Population-Specific Notes: The official overdose section does not explicitly document increased severity or specific considerations for any patient group, including pediatric, geriatric, or renally impaired individuals.

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Therapeutic Uses of Неовир

What Неовир Treats: Main Uses and Benefits

This medication is commonly used across conditions presenting with episodic or fluctuating symptom patterns where additional symptomatic support is needed. It is applied across domains where short-term symptom management is appropriate, primarily addressing conditions involving viral triggers. Such use is aimed at assisting the body in addressing the clinical challenges associated with viral activity.

The key therapeutic benefit contributes to easing the overall symptom load and helps maintain a sense of stability during periods of heightened symptoms. It is applied in scenarios where additional management of discomfort is required, assisting with manifestations like fever, body aches, localized pain and itching from outbreaks, and upper respiratory symptoms such as sore throat and congestion. The supportive approach may assist with maintaining functional stability during difficult episodes.

“Applied in clinical settings that involve acute or unstable symptom patterns, this medication plays a role in managing patient discomfort during episodes of heightened symptoms.”

Quick Fact: Relief for Localized and Systemic Discomfort

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Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Неовир

The eligibility profile for Неовир is strictly governed by regulatory documents, establishing clear exclusions and restrictions based on patient characteristics and pre-existing health status. Use of this medicine is generally permitted for adults (18 years and older) who do not present any specific contraindications.


Absolute Contraindications (Must Not Use)

The medicine is contraindicated for several specific populations and conditions, including:

  • Age: Individuals under 18 years of age (children and adolescents).
  • Reproductive Status: Women who are pregnant or breastfeeding (lactation period).
  • Pre-existing Conditions: Patients with known autoimmune diseases or hypersensitivity to the drug's components.
  • Organ Function: Patients with severe renal impairment, specifically defined by a Creatinine Clearance (CrCl) less than 30 mL/ min.

Conditional Use (Use with Caution)

Official labeling advises that use is restricted and requires caution in the following populations:

  • Older Adults (Geriatric Patients): Caution is advised, often due to the potential for age-related decline in organ function.
  • Impaired Organ Function: Patients with impaired hepatic function or non-severe impaired kidney function.
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What should I know about interactions with other medicines?

The official regulatory interaction profile for Oxodihydroacridinylacetate Sodium (Неовир) is defined primarily by pharmacodynamic restrictions and specific substance constraints, as documented in regulatory prescribing information.

Pharmacodynamic and Immunotropic Conflicts

  • Immunosuppressive Medicinal Products: Co-administration with agents that suppress the immune system is formally restricted. This limitation is officially documented to prevent a counteractive effect that may diminish the drug's expected immunomodulatory action.
  • Other Interferon Inducers: Combining with other medicinal products classified as Interferon Inducers is similarly restricted. This rule is applied to avoid potential additive effects within the immune response system.

Absence of Pharmacokinetic Interactions

The regulatory information specifically notes that no physicochemical incompatibility or other forms of undesirable interaction have been identified. This finding includes a lack of documented conflicts involving the body's major metabolic enzymes, such as the cytochrome P450 (CYP) system, or drug transporters.

Restriction on Substance Co-use

During the treatment period, official labeling designates Alcohol Consumption as an "undesirable combination." This formal restriction prohibits the use of ethanol-containing products.

Compatibility with Other Therapies

The drug is documented as compatible and combines well with traditional therapeutic agents, including antibacterial, chemotherapeutic, and antifungal medicines, as well as specific antiviral drugs used in combined regimens.

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Mechanism of Action

Primary Mechanism: Interferon Induction

Неовир is a synthetic low molecular weight immunomodulator that functions primarily by inducing the synthesis of interferons ( IFN). Specifically, the molecule stimulates the production of both Type I interferons ( IFN-alpha and IFN-beta) and Type II interferon ( IFN-gamma) within host cells.

Cellular Cascade and Intracellular Action

The synthesis of IFN initiates a downstream immunomodulatory response through the activation of innate immune cells. This process includes the modulation of Natural Killer ( NK) cells and various T-lymphocytes. Furthermore, IFN induction results in the regulation of mRNA and protein synthesis within the cell, creating a restrictive environment that functions at the molecular level to inhibit viral replication.

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Dosage and Administration Information

The use of Неовир (Oxodihydroacridinylacetate Sodium) is determined by specifications detailing administration route, dose schedule, and timing.

Administration scope

Entity Description
Route of administration Strictly Intramuscular (IM) injection into deep muscle tissue; this route is mandatory and non-interchangeable with oral or intravenous forms.
Dosing schedule (as written in official specifications) The regimen is cyclic and intermittent, typically featuring a single dose of 250 mg. Administration must not exceed the Maximum Total Dose defined for one treatment course.
Timing in relation to meals (if applicable) Administration is independent of food intake due to its parenteral delivery.
Preparation requirements (if applicable) The Solution for Injection is used undiluted. Prior to administration, the solution must be visually inspected to confirm clarity.
Age-group administration rules The label outlines specific dose modifications or usage restrictions for pediatric patients and older adults based on official protocols.
Missed-dose rules The documentation specifies a protocol for handling a missed scheduled injection to maintain the required fixed-interval spacing of the cyclic regimen.
Special procedural conditions The medicine must be administered by a healthcare professional in a supervised clinical setting, and is prohibited from intravenous (IV) use.

Instruction classifications (high-level)

Classification Pattern
Administration method type Parenteral (Injectable).
Frequency pattern Intermittent, fixed-interval use (e.g., once every 48 hours), administered in defined cycles or courses.
Regulatory basis Governed by the official instructions provided at the country of registration.
Use-context constraints Clinical supervision required; restricted to Short-term course duration.

Connection to the overall use protocol

The official usage protocol is structured around three non-negotiable elements: a mandatory Intramuscular Route, a strictly defined Intermittent, Fixed-Interval Dosing Schedule, and a predetermined Fixed Course Length. These procedural steps, explicitly documented in prescribed documentation, govern the medicine's delivery by requiring clinical oversight and restricting its overall duration and frequency of application.

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Recent Clinical Evidence

Research evidence / Overview of studies for Неовир

Evidence for use in Acute Viral Hepatitis C

Research has examined Neovir in research contexts exploring acute Hepatitis C in a specific patient group. The studies were typically designed as non-randomized, open-label clinical studies (not comparative to a placebo or a different standard treatment). Researchers monitored outcomes related to virological status (HCV RNA load) and biochemical markers (liver enzymes), examining how these factors changed over time.

The evidence is primarily based on research conducted in a small, defined group of adult male patients diagnosed with the acute condition. Findings describe patterns observed in the studies. Specifically, one reported study reported no significant changes in virological and biochemical markers in the observed cohort over the three-month period. This research contributes to the broader evidence landscape by showing how the substance was studied for this specific, short-term clinical scenario.

Evidence for use in Viral Encephalitis in Young Children

Research has explored Neovir as a component of the overall supportive care for viral encephalitis in infants and very young children. These studies were structured as small-scale clinical examinations or case series, which track patients’ progress but do not include a control group for comparison. Studies monitored clinical outcomes related to systemic or functional imbalance, such as complication rates and the duration of their hospital stay.

Study Design and Quality Overview

The overall evidence supporting Neovir was evaluated in research that predominantly consists of smaller, non-randomized clinical studies and case series. This structure means that comparative evidence is limited as studies did not include controlled groups (such as a placebo or different treatment) for direct comparison. The overall evidence quality varies across studies and is often described as low for high-certainty conclusions.

Follow-up Duration and Long-Term Data

The observation periods in the available research are generally limited. For the studies in Acute Viral Hepatitis C, follow-up durations were intermediate-term, extending only up to three months. Consequently, there is limited information for long-term outcomes or on whether any observed short-term changes persist after the study period ends. Extended outcomes are not fully established in the research that has been published.

What Research Gaps and Uncertainty Remain

Scientific uncertainty remains regarding several aspects of Neovir research. The primary gaps include the need for larger, randomized controlled trials (RCTs), which are generally viewed as the standard for providing more definitive comparative data. The sample sizes were modest in the available research, which may limit the certainty of the findings. Furthermore, the lack of long-term evidence means that extended outcomes or sustained patterns are not yet known.

Key Studies & References Official Drug Monograph/Summary for Oxodihydroacridinylacetate Sodium (Неовир): Indications, Dosage, and Contraindications (Vidal, Russia)

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Frequently Asked Questions (FAQ)

Common questions about Неовир (FAQ)

Q: Is it true that Неовир affects the body's natural defenses?

Yes, Неовир is officially classified as an Immunomodulator and a potent Interferon Inducer. This classification means its primary function is to influence and strengthen the body's natural defense systems by stimulating protective proteins.


Q: Is it possible for Неовир to cause an allergic reaction?

Yes, official safety information states that allergic reactions, such as a rash or itching (pruritus), are classified as rare adverse events. Regulatory documents also document the risk of severe hypersensitivity reactions, including anaphylaxis.


Q: Can Неовир be crushed or split if a person has trouble swallowing?

The medicine is supplied exclusively as a sterile solution intended for intramuscular (IM) injection. This means it is administered directly into the muscle tissue by a healthcare professional and is not available in any oral form, such as a tablet that could be crushed or split.


Q: If I miss a dose of Неовир, what is the general guidance?

Regulatory documents explicitly specify a precise protocol for handling a missed scheduled injection. This protocol is necessary to ensure the required fixed-interval spacing of the cyclic regimen is maintained throughout the treatment course.


Q: Can I stop taking Неовир as soon as my symptoms improve?

The official usage protocol for this medicine is strictly defined by a mandatory, fixed-interval dosing schedule. The documentation describes a predetermined, fixed course length, which informs the decision-making process for the duration of the regimen.


Q: How quickly should someone expect to feel a difference after starting Неовир?

According to official regulatory documents, certain systemic effects, such as fever and headache, are linked to the drug’s action as an interferon inducer. These specific effects are reported to be most frequently observed early in the treatment course. The specific timeframe for the onset of the medicine's overall functional effect is not detailed in the same way.


Q: Does Неовир make you feel sleepy or affect your ability to drive?

The regulatory safety profile lists transient dizziness as an uncommon adverse reaction. Because dizziness is a symptom that may affect one's ability to drive or operate machinery.


Q: Does using Неовир require any specific lab tests before or during treatment?

The official eligibility profile strictly contraindicates the medicine for severe renal impairment, which is defined by a specific lab value for Creatinine Clearance ( CrCl) being less than 30 mL/ min. This regulatory information about contraindications is based on specific lab values, which are typically used by a healthcare professional when assessing eligibility and managing use.


Q: Has there been any research on Неовир's effect on the elderly?

Official labeling advises that use of the drug is restricted and requires caution in older adults, often referred to as geriatric patients. This is typically due to the potential for age-related decline in natural organ function.


Q: Is the research on Неовир considered strong and reliable?

Official evaluations describe the evidence as primarily stemming from smaller, non-randomized clinical studies and case series. This structure limits the availability of comparative data, which means the overall certainty of high-level conclusions often varies across studies.


Q: What are the known limitations or uncertainties in the research evidence for Неовир?

Studies and official information cite several scientific uncertainties regarding this medicine. Primary research gaps include the need for larger, randomized controlled trials (RCTs) and the current lack of established long-term outcome data on the substance.

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How should Неовир be stored and disposed of?

How to Store and Dispose of Неовир (Neovir)

The official regulatory labeling for Неовир (Oxodihydroacridinylacetate Sodium solution for injection) defines strict requirements for its storage and handling to maintain product stability.


Storage Requirements

Condition Regulatory Mandate
Temperature Store between 15 C and 25 C.
Environment Must be stored in a dry place and protected from light.
Child Safety Keep out of reach of children.
Solution Integrity The solution must be discarded if it becomes cloudy or turns milky-white, as this indicates unsuitability for use.

Stability and Disposal

The ampoule contents must be used immediately after opening. The medicine must not be used after the expiration date printed on the package. Disposal of any unused or expired product must be carried out in accordance with local pharmaceutical waste regulations.

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

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