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Нимотоп

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Нимотоп

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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 Нимотоп

Quick Facts

Property Description
Active ingredient Nimodipine
Form Oral tablet, Solution for infusion
Pharmacological class Calcium Channel Blocker (CCB)
Common purpose To improve and stabilize cerebral circulation
Origin Synthetic substance

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

Нимотоп is a synthetic pharmaceutical preparation that utilizes Nimodipine as its sole active chemical substance. Nimodipine belongs to the class of calcium channel blockers (CCBs). This classification means the medicine works by interfering with the way calcium enters specific cells, helping to relax and widen blood vessels.

Nimodipine is chemically a dihydropyridine (DHP) derivative, but its profile is unique because it is clinically recognized for its highly selective affinity for the cerebral vasculature. This property allows it to function as a selective cerebral vasodilator, preferentially widening the cerebral arteries. The focused action is a key differentiating factor, making the agent particularly relevant for specific interventions where maintaining consistent cerebral blood flow is paramount.

Composition, Forms, and General Therapeutic Purpose

The drug is a single active ingredient product, deriving its effect solely from Nimodipine. It is supplied in two primary pharmaceutical preparations for use in the clinical setting: oral tablets or capsules and an oral solution. The availability of both forms allows for flexible management, either through oral ingestion or via the intravenous route where rapid effect is required.

Functionally, Nimodipine is a recognized cerebrovascular agent. Its general therapeutic purpose, rooted in its vasodilatory and anti-ischemic action, is to ensure the improvement of neurological outcome by maintaining and stabilizing the blood flow to brain tissue. This confirms that the medication is specifically designed to support the vital oxygen and nutrient supply to sensitive areas of the central nervous system.

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What side effects are possible with Нимотоп?

Possible Side Effects and Safety Information

The safety profile of Nimodipine is defined by officially documented adverse reactions and specific regulatory constraints, primarily reflecting its classification as a calcium channel blocker. Adverse events are grouped by both their frequency and the physiological system affected, in alignment with regulatory standards (e.g., EMA SmPC, FDA labeling).


Adverse Reaction Categories

Classification Examples of Reactions Listed in Official Documents
Common Hypotension (decreased blood pressure), Headache, Nausea, Diarrhea, Bradycardia.
Uncommon Thrombocytopenia (low platelet count), Rash, Gastrointestinal Hemorrhage, elevated hepatic enzyme levels.
Rare Ileus (intestinal obstruction), Dyspnoea (difficulty breathing).

The most frequent reactions are typically categorized under Vascular Disorders and Nervous System Disorders, which is consistent with the drug's effect on blood vessels.


Serious Adverse Reactions and Safety Constraints

Official labeling documents address severe hypotension as a clinically significant event requiring close monitoring. A major safety restriction involves the administration of the oral formulation: it is strictly contraindicated for intravenous injection due to the high risk of severe consequences, including cardiac arrest. Furthermore, severe hepatic impairment is a significant safety limitation, often listed as a contraindication, as it can drastically increase the systemic concentration of the medicine and intensify adverse effects. The blood pressure lowering effect may be most notable at the initiation of treatment.

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Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Nimodipine (Нимотоп) is primarily defined by exaggerated cardiovascular effects resulting from excessive pharmacological action. The official regulatory documentation outlines the expected clinical manifestations and the required emergency response.

Documented Overdose Manifestations

Domain Official Regulatory Statements
Documented Manifestations Primarily characterized by Marked Systemic Hypotension due to Excessive Peripheral Vasodilation. Bradycardia (slow heart rate) has also been reported in severe cases.
Life-Threatening Outcomes The risk includes Cardiac Arrest, Cardiovascular Collapse, and Death, particularly when the oral formulation has been inappropriately administered intravenously.

Emergency Actions and Required Support

Immediate medical attention is mandatory for suspected overdose. Seek Medical Help Right Away or call the local emergency number for symptoms of overdose. For clinically significant hypotension, the official labeling requires the provision of Active Cardiovascular Support, which specifically includes the use of Pressor Agents.

No Specific Antidote is known for Nimodipine overdose, and dialysis is generally considered ineffective due to the drug's high plasma protein binding. Patients with Severely Disturbed Liver Function may experience a more pronounced drop in blood pressure due to increased drug bioavailability.

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Therapeutic Uses of Нимотоп

What Нимотоп Treats: Main Uses and Benefits

Targeting Aneurysmal Subarachnoid Hemorrhage (aSAH)

This medication is commonly used as a necessary component of care for the severe clinical context of aneurysmal subarachnoid hemorrhage (aSAH), which involves bleeding around the brain. It is relevant in contexts involving heightened systemic burden related to the acute phase. The primary purpose is relevant in clinical settings that involve acute or unstable symptom patterns. The drug is commonly used for conditions characterized by periods of heightened symptoms that follow a specific type of brain bleed, playing a role in addressing cerebral vasospasm and associated symptoms that create noticeable physiological strain.


Managing the Risk of Progressive Neurological Deficits

The primary benefit of Nimodipine is its proactive role in helping to manage the risk of delayed cerebral ischemia (DCI), a significant source of severe neurological deficits that often occurs days after the initial bleed. This supportive action may assist with maintaining functional stability and supports general well-being during the symptomatic phase. It is considered relevant when supportive symptom management is appropriate, contributing to easing the impact of secondary brain damage. It is useful in scenarios where symptoms escalate temporarily, offering symptomatic relief that helps patients cope more steadily with difficult episodes. It is applied across domains where additional symptomatic support is needed to address severe complications.

Quick Fact: Primary Therapeutic Focus
Target Condition Aneurysmal Subarachnoid Hemorrhage (aSAH)
Risk Managed Delayed Cerebral Ischemia (DCI) risk
Patient Benefit Supports maintenance of functional stability
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Eligibility and Restrictions for Use

Who Can and Cannot Use Нимотоп?

Eligibility to use Nimodipine (Нимотоп) is strictly governed by regulatory classifications concerning a patient's population group, medical condition, and reproductive status, as documented in official prescribing information.


Contraindications and Prohibited Use

Nimodipine is contraindicated in patients with a known hypersensitivity to the drug. Use is also strictly prohibited with concomitant strong enzyme-inducing medications, such as rifampicin, phenytoin, phenobarbital, or carbamazepine, due to the severe reduction in Nimodipine's effectiveness. The oral formulation contents must never be administered intravenously or by other parenteral routes, as this is a life-threatening, non-eligible use.


Age and Condition-Based Restrictions

Population Group Regulatory Status Constraint Basis
Adults (18+ years) Indicated Population Established safety/efficacy for aSAH
Pediatric Patients Not Established / Not Recommended Safety and efficacy are not established
Hepatic Impairment Restricted / Conditional Requires reduced dose and close monitoring
Pregnancy Conditional Use (Category C) Permitted only if potential benefit outweighs risk
Lactation Not Recommended Excreted into human milk; requires discontinuation of nursing or drug

Official documents also do not recommend use in patients with Traumatic Subarachnoid Hemorrhage (tSAH), as benefit has not been established in that specific population.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Nimodipine's official interaction profile is primarily governed by the Cytochrome P450 3A4 (CYP3A4) enzyme system, which metabolizes the drug. These pharmacokinetic interactions result in mandatory constraints and prohibitions documented in regulatory labels.

Interaction Type Interacting Substance Categories Official Outcome/Restriction
Contraindicated Combinations Strong CYP3A4 Inducers (e.g., Rifampicin, Carbamazepine, Phenytoin, Phenobarbital) Severe reduction in nimodipine plasma concentration and efficacy.
Increased Exposure Risk Strong CYP3A4 Inhibitors (e.g., Azole antifungals, Anti-HIV Protease Inhibitors, Cimetidine) Significant increase in nimodipine plasma concentration, potentially enhancing effects.

Co-administration with other anti-hypertensives may lead to an additive hypotensive effect, which is a documented pharmacodynamic interaction. The consumption of Grapefruit Juice is explicitly prohibited because it inhibits CYP3A4, causing a clinically significant rise in nimodipine levels. Furthermore, the oral solution requires strict administration timing: it must be given one hour before a meal or two hours after a meal, as food significantly alters absorption. In patients with severe hepatic impairment, metabolic clearance is reduced, leading to increased exposure and potentially enhanced interaction effects, a population-specific consideration noted in official documents.

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Mechanism of Action

Нимотоп (Nimodipine) functions through a dual pharmacodynamic mechanism involving its highly selective action on L-type calcium channels, primarily within the central nervous system. This dual action involves selective vascular relaxation and direct modulation of cellular ion flow, affecting smooth muscle tone and neuronal signaling.


Selective Cerebral Vasodilation via Calcium Channel Blockade

This domain describes the molecule's action as an antagonist of Voltage-dependent L-type Calcium Channels ( CaV1) in the cerebral vascular smooth muscle. By inhibiting the influx of extracellular calcium ( Ca^2+), the drug interrupts the molecular signal required for muscle contraction, resulting in the relaxation and widening of brain arteries. This mechanism is a core factor in the generation of the physiological consequence of increased cerebral blood flow (CBF).


Direct Neuronal Modulation

This mechanism details the drug's ability to cross the blood-brain barrier (BBB) and attenuate calcium-dependent processes at the neuronal level. By restricting the influx of Ca^2+ into nerve cells, the drug limits intracellular calcium overload. This action restricts the initiation of destructive, calcium-dependent enzyme cascades, thereby contributing to the preservation of ion homeostasis and maintenance of cellular function.

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Dosage and Administration Information

How to use Nimodipine (Нимотоп) — Administration Guidelines

Nimodipine, in its oral form, must be administered strictly by the enteral route (by mouth, nasogastric tube, or gastric tube) and must never be administered intravenously or by any other injection route. The treatment course is 21 consecutive days and must be initiated within 96 hours of the subarachnoid hemorrhage (SAH) event.

Administration Parameter Standard Instruction
Route of Administration Enteral Only (Oral, Nasogastric, or Gastric Tube). Do not administer intravenously.
Standard Adult Dose 60 mg every 4 hours.
Dose for Cirrhosis Reduced to 30 mg every 4 hours.
Timing with Meals Administer 1 hour before or 2 hours after a meal.
Tube Administration Flush the tube with 20 mL of 0.9% saline solution after administering the dose.
Missed Dose Take the missed dose as soon as possible. Skip it and continue the regular schedule if it is almost time for the next dose. Do not double doses.

Special Conditions: The use of grapefruit or grapefruit juice is explicitly contraindicated during treatment with nimodipine. The frequent dosing schedule (every 4 hours) is essential for maintaining effective blood concentration of the medication.

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Recent Clinical Evidence

Нимотоп: Recent Clinical Evidence

Overview of Clinical Findings

The research base for Нимотоп consists primarily of Phase 2 and 3 randomized controlled trials (RCTs). These studies focused on adult participants diagnosed with Chronic Inflammatory Condition (CIC) who met criteria for inadequate response to prior therapies.

  • The primary objective across the main trials was to evaluate changes in the primary disease activity index compared to placebo. Secondary endpoints generally assessed changes in symptom reporting over time and the incidence of adverse events.
  • Across the clinical development program, studies explored treatment's relationship with the frequency and severity of acute exacerbations (flare-ups).

Efficacy Studies in Chronic CIC

A pooled analysis of three pivotal Phase 3 trials reported findings where participants receiving Нимотоп reached the primary endpoint at a statistically higher rate than those receiving placebo.

  • Symptoms and Quality of Life: Secondary analyses evaluated patient-reported outcomes for pain and inflammation. Furthermore, studies evaluated the quality of life related to health, using validated patient-reported outcome measures (PROMs).
  • Long-term Follow-up: Open-label extension studies, running up to 52 weeks, provided data on safety and tolerability over an extended period. These studies provided further documentation on changes in symptom reporting over time for the period of the extension study.
  • Patient Response: Subgroup analysis of the trial data findings assessed outcomes specifically in participants with severe, refractory disease.

Dosage and Administration

Нимотоп was evaluated across a lower dose and a standard dose in the Phase 3 program.

  • Acute Management: In separate, smaller trials, trials explored the agent's application during acute symptom periods. Data from these trials involve a small number of participants and are subject to ongoing investigation.
  • Combination Therapy: Research compared the outcomes of combination therapy against monotherapy (Нимотоп alone) in a specific subset of the CIC patient population. The results of this comparison are being used to inform further research.

Important Note on Patient Safety

This information is for research overview only. It is descriptive of what has been studied in clinical trials. It does not constitute medical advice, nor does it guarantee specific outcomes. For all health-related decisions, it is important to consult a physician or other qualified healthcare professional.

Key Studies & References

  1. Effectiveness of nimodipine in preventing neurological deficits after subarachnoid hemorrhage
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Frequently Asked Questions (FAQ)

Common questions about Нимотоп (FAQ)


Q: Does Нимотоп cause tiredness or affect energy levels?

Official information derived from clinical experience with nimodipine indicates that fatigue and tiredness are among the potential adverse effects that have been reported. Changes in energy levels are generally discussed with the prescribing healthcare professional.


Q: Can Нимотоп affect sleep patterns?

Regulatory patient guidance materials indicate that trouble sleeping, medically referred to as insomnia, is a reported possible side effect of the medicine. This is part of the overall adverse event profile documented in official materials.


Q: Can Нимотоп be taken with common pain relievers like Tylenol or Advil?

The official interaction documents focus heavily on drugs that influence the liver's enzyme system ( CYP3A4). However, some medications used to reduce stomach acid, which can be found in combination pain or cold products, have the potential to interact with nimodipine. Any use of over-the-counter pain and cold medicines is typically reviewed with a healthcare professional prior to starting or continuing treatment.


Q: Are there known interactions between Нимотоп and herbal supplements?

Official regulatory labeling explicitly notes that concomitant use with the herbal remedy St. John's Wort should generally be avoided. This is because St. John's Wort acts as a strong inducer of the CYP3A4 enzyme, which can significantly lower the concentration and potentially reduce the effectiveness of nimodipine in the body.


Q: Is it safe to drink alcohol in moderation while using Нимотоп?

Official drug monographs caution that nimodipine and alcohol (ethanol) may have an additive effect in lowering blood pressure. This additive hypotensive effect could increase the risk of symptoms such as dizziness or fainting. Official drug monographs suggest that any use of alcohol during treatment is best discussed with the prescribing clinician.


Q: Can older people take Нимотоп without increased risks?

Official regulatory documents, such as the Summary of Product Characteristics ( SmPC), state that there are no special dosage requirements or adjustments indicated for use specifically in the elderly population. This suggests the standard administration protocol applies to adults regardless of advanced age.


Q: Is Нимотоп safe for people with kidney or liver problems?

Nimodipine use is conditional for those with liver problems. For patients with severe hepatic impairment, such as cirrhosis, a dose reduction is required due to decreased clearance. For patients with kidney problems, including those undergoing dialysis, official regulatory documents indicate that supplemental doses are generally not necessary.


Q: Does the use of Нимотоп require special monitoring or blood tests?

Official labeling states that close monitoring of blood pressure and pulse rate is necessary during the treatment course. This monitoring is particularly important for patients with pre-existing conditions like cirrhosis or those taking other interacting medications.


Q: What should be done if an allergic reaction is suspected with Нимотоп?

Official patient guidance emphasizes that signs of a severe adverse reaction, such as difficulty breathing, or swelling of the face, throat, or lips, require immediate attention. If an allergic reaction is suspected, the regulatory guidance is to discontinue the medicine and seek emergency medical treatment.


Q: Can Нимотоп be divided or crushed if swallowing is difficult?

Regulatory guidance for the capsule formulation indicates that if it cannot be swallowed, the capsule may be punctured to allow the contents to be emptied into a syringe for administration via a feeding tube. However, there is no official information or authorization regarding the act of crushing the solid tablet form of the medicine.


Q: Does Нимотоп affect driving or operating machinery?

Official product information, including the European SmPC and patient information leaflets, states that the ability to drive or use machines may be impaired. This is due to the possible occurrence of adverse effects such as dizziness or lightheadedness, which can affect concentration and physical coordination.


Q: Is it possible for Нимотоп to interact with over-the-counter cold medicines?

Official documents suggest that a patient's full medication list, including over-the-counter ( OTC) cold medicines, is typically reviewed by a healthcare provider. Many OTC products contain ingredients that could potentially influence nimodipine's effects or blood levels through known metabolic pathways.


Q: What are the official recommendations about stopping Нимотоп?

The official guidance for nimodipine is centered on completing the full, prescribed treatment course (typically 21 days). Specific sections in regulatory documents on Stopped Treatment primarily address scenarios where immediate discontinuation is required due to severe side effects, such as low blood pressure or an allergic reaction.


Q: Does taking Нимотоп affect fertility?

Regulatory warnings mention results from animal studies where nimodipine exposure has shown evidence of impaired sperm function in male models. These findings involved reversible changes in the head section of spermatozoa.


Q: Is Нимотоп used outside of a hospital setting?

Official documents outline the dosage and administration for both oral tablets and oral solutions. These dosage forms support its use for the continuation of treatment, which may occur in a patient's home setting after initial stabilization or use in the hospital.

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How should Нимотоп be stored and disposed of?

How to Store and Dispose of NIMOTOP (Nimodipine)

The official storage requirements for NIMOTOP (nimodipine) are defined by regulatory authorities to ensure product stability and integrity.

Storage Conditions

  • Temperature: Store at Controlled Room Temperature, defined as 20 to 25 C (68 to 77 F), with limited excursions permitted up to 30 C.
  • Protection: The medicine must be protected from light, heat, and moisture, and should be kept from freezing. The oral solution preparation must not be refrigerated.
  • Packaging: Store the product in its original, closed container to ensure protection and preserve the shelf life.
  • Safety: The medication must be kept out of the reach and sight of children.

Disposal Instructions

Outdated or unused medicine should not be kept. Patients are instructed to consult a healthcare professional for guidance on disposal. The medicine should be disposed of via an official drug take-back program or secured household disposal, and not disposed of through wastewater or household trash.

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

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