Trimetacor

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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 Trimetacor

Property Description
Active ingredient Trimetazidine dihydrochloride
Form Tablet (IR/MR), Capsule (PR), Oral Drop Solution
Pharmacological class Metabolic agent, Antianginal drug
Common use Supporting heart function in conditions of low oxygen supply
Origin Synthetic, Piperazine derivative

What Type of Medicine is Trimetacor? (Identity and Classification)

Trimetacor is a pharmaceutical preparation whose active component is Trimetazidine dihydrochloride, a synthetic compound chemically classified as a piperazine derivative. This medicine is defined as a single-substance product (monotherapy) intended for oral administration. It is notably used widely in Europe and over 80 countries globally, reflecting its established international clinical use.

It belongs to the Antianginal drug category. Its distinct feature is its pharmacological class as a specialized metabolic agent and fatty acid oxidation inhibitor. This mechanism differentiates it from many conventional cardiovascular medicines because its focus is on improving the heart cell's internal energy processes rather than altering mechanical functions like heart rate or blood pressure.

The Role of Trimetazidine as a Cytoprotective Agent

Trimetazidine functions as a cytoprotective anti-ischemic agent, offering the general benefit of protecting heart cells and enhancing their resilience when oxygen supply is reduced. This mechanism involves optimizing cellular energy processes: the substance promotes the heart muscle's fuel source shift away from oxygen-intensive fatty acids toward more efficient glucose oxidation.

This metabolic action has been described for its potential to preserve essential energy reserves (like ATP) in the heart muscle during periods of oxygen deficiency. This means the substance fundamentally supports the heart muscle's ability to resist the damaging effects of reduced blood flow, making it a valuable adjunct therapy in the cardiovascular field.

Available Formulations: Tablets, Capsules, and Oral Solution

The Trimetazidine compound is available for oral intake in multiple formats, which is a differentiating factor for patient adherence and convenience. The main dosage form(s) include the Immediate-Release Tablet and the Modified-Release Tablet (MR), alongside the Prolonged-Release Capsule (PR). The composition of these medicines consists of the active ingredient, Trimetazidine dihydrochloride, combined with suitable pharmaceutical excipients to create either a solid form or an aqueous solution base for the Oral Drop Solution.

Regulatory References

  1. DrugBank DB09069

What side effects are possible with Trimetacor?

Possible side effects and safety information

The safety profile of Trimetazidine dihydrochloride is classified by regulatory authorities using standard frequency categories and System-Organ-Classes (SOC). Understanding the official safety characteristics is essential, as the medicine is strictly contraindicated in certain patient groups.

Adverse Reactions and Frequency

Adverse reactions are formally classified by frequency. Common effects, reported in 1 to 10 out of 100 users, include dizziness, headache, gastrointestinal disturbances such as nausea and abdominal pain, along with rash and asthenia (feeling of weakness). Rare effects, affecting 1 to 10 out of 10,000 users, include palpitations, orthostatic hypotension (low blood pressure upon standing), and falls.

Serious Safety Concerns

The most significant safety constraint involves the appearance of Parkinsonian symptoms (including tremor, rigidity, akinesia, and gait instability), which are classified as Not Known (frequency cannot be estimated). These movement disorders are generally reversible after treatment discontinuation, with recovery often reported within four months. Severe effects on the blood (e.g., Agranulocytosis) and liver (Hepatitis) are also documented under the Not Known category.

Regulatory Restrictions and Special Populations

Trimetacor is strictly contraindicated in patients with established Parkinson's disease or existing parkinsonian symptoms, and in those with severe renal impairment (creatinine clearance less than 30 ml/min). Caution is required when prescribing to older adults (aged ge 75 years) and patients with moderate renal impairment, as increased systemic exposure to the drug is expected in these populations. The occurrence of dizziness or drowsiness may affect the ability to drive or operate machinery.

Overdose and Emergency Response

Overdose and when to seek help

Information regarding the acute overdose of Trimetazidine dihydrochloride (Trimetacor) is officially noted as very limited in governmental regulatory documentation. Specific clinical signs or symptom profiles resulting from an overdose are not extensively documented in the dedicated sections of official prescribing information.

Emergency Actions and Required Management

Immediate action is required if more than the prescribed amount of Trimetacor is ingested. Regulatory guidance mandates that a patient must inform their doctor or pharmacist following any suspected overdose. This instruction constitutes the required emergency-response statement provided in the official labeling.

Supportive Care and Antidote Status:

The official regulatory documents define the management strategy for Trimetacor overdose. The stated procedure is that the treatment should be symptomatic, reflecting a focus on general supportive care rather than a specific intervention. No specific antidote is mentioned or listed in the official prescribing information for this compound.

Furthermore, the regulatory labels do not detail specific requirements for hospital monitoring or special overdose considerations for distinct populations, such as elderly patients or those with existing hepatic or renal impairment. The overall profile is constrained to this basic guidance for symptomatic management and mandated patient reporting.

Therapeutic Uses of Trimetacor

What Trimetacor Treats: Main Uses and Benefits

Trimetacor is commonly used for the symptomatic treatment of Stable Angina Pectoris in adults. The medication is used as an add-on therapy for patients whose symptoms are inadequately controlled by, or who are intolerant to, first-line antianginal medications. It is intended to assist in managing the overall symptom burden by helping with the frequency and intensity of these episodic angina attacks.


Key Therapeutic Contexts

The medicine is relevant for managing symptom clusters related to physical effort and activity that are linked to organ-specific functional stress. This supportive action may help patients cope more steadily with the emergence of discomfort related to exertion and may assist with managing the need for short-term symptomatic assistance from other medications. Trimetacor's primary therapeutic role is focused on the management of Stable Angina Pectoris and is relevant in clinical settings involving heightened systemic burden, such as in patients with coexisting Chronic Heart Failure or Diabetes Mellitus.

“It is applied in scenarios where additional management of discomfort is required, especially when symptoms interfere with daily functioning.”

Quick Fact

Quick Fact: Relief for Angina Symptoms
Primary Therapeutic Use Symptomatic management of chest pain and discomfort associated with Stable Angina Pectoris.
Main Patient Benefit Supports functional stability and helps ease the overall symptom load related to physical effort.
Clinical Scenario Used as an add-on treatment when first-line antianginal therapies are generally not adequately managing symptoms, or where the patient is intolerant.

Eligibility and Restrictions for Use

The eligibility for using Trimetacor (Trimetazidine) is strictly defined by regulatory authorities based on neurological risk, age, and organ function status. The medicine is indicated for use only in adult patients.

Absolute Contraindications (Do Not Use)

  • Movement Disorders: Contraindicated in patients with Parkinson disease, parkinsonian symptoms, tremors, restless leg syndrome, or other related movement disorders.
  • Severe Renal Impairment: Prohibited for individuals with severe renal impairment, defined as a creatinine clearance (CrCl) of less than 30 mL/min.
  • Hypersensitivity: Contraindicated in patients with known allergy to the active substance or any other ingredient.

Age and Physiological Restrictions

Population Group Eligibility Status (Regulatory Label)
Children & Adolescents (Under 18) Not Recommended (Safety and efficacy are not established).
Older Adults (Over 75) Caution Required (Increased exposure due to decreased renal function; dose modification is required).
Moderate Renal Impairment (CrCl 30 - 60 mL/min) Restricted Use (Caution is advised, and a dose reduction is mandatory).
Pregnancy Preferable to Avoid (As a precautionary measure due to limited human data).
Breastfeeding Should Not Be Used (A risk to the infant cannot be excluded).

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory information indicates that Trimetacor (Trimetazidine dihydrochloride) has a limited profile for clinically significant drug-drug interactions with widely used cardiovascular medicines.

Official Interaction Statements

  • Absence of Interactions: Official regulatory documentation states that no drug interactions have been identified with commonly co-administered cardiovascular therapies, including beta-adrenolytic medicines, calcium channel blockers, and digitalis glycosides. The medicine is officially described as exerting its action without affecting haemodynamic parameters.
  • Pharmacokinetic Non-Interaction: Co-administration of Trimetazidine has been documented to have no effect on the pharmacokinetics of probe substances such as Digoxin or Theophylline. Furthermore, official data suggests the product is neither an inducer nor an inhibitor of drug hydroxylation based on studies with Phenazone.
  • Food and Timing: There are no documented interactions with foodstuffs that affect absorption or clearance. The official prescribing information also specifies no mandatory requirements for timing or separation of administration for co-administered products.

Interaction-Related Restrictions and Considerations

Classification Constraint Official Basis
Co-administration Restriction Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is restricted in some regulatory documents. Non-interaction has not been established in regulatory data.
Population-Specific Caution Increased Trimetazidine exposure is expected in elderly patients and those with moderate renal impairment. Caution based on reduced renal clearance.

Mechanism of Action

Trimetacor (trimetazidine) functions as a metabolic modulator, primarily targeting the cardiomyocyte energy substrate utilization pathways. Its principal action is the specific and selective inhibition of long-chain 3-ketoacyl coenzyme A thiolase (LC 3-KAT), the final enzyme in the fatty acid beta-oxidation cascade. This inhibitory action decreases the rate of fatty acid oxidation, which subsequently shifts the cellular energy substrate preference toward glucose oxidation, a process requiring less oxygen per unit of synthesized adenosine-5′-triphosphate (ATP).

This metabolic shift leads to an increase in pyruvate dehydrogenase activity, restoring a balance between glucose oxidation and glycolysis. Intracellular consequences include a reduced rate of hydrogen ion and lactate accumulation and a restricted influx of calcium ions into the cytoplasm. At the system level, this pharmacodynamic modulation of myocardial metabolism results in preserved ATP levels and enhanced mechanical resistance of the cell membrane.

Dosage and Administration Information

Administration Protocol

Trimetacor (Trimetazidine dihydrochloride) is administered via the oral route, available as 20 mg immediate-release tablets, 35 mg modified-release tablets, and an oral drop solution. The regimen is determined by the formulation: the standard dose for the immediate-release tablet is 20 mg taken three times daily, while the modified-release tablet is prescribed at 35 mg twice daily. A standard instruction for use is that all formulations must be taken during meals.

Entity Administration Guideline
Dosing Schedule MR 35 mg twice daily; IR 20 mg three times daily.
Timing & Handling Taken during meals. Prolonged-release forms must be swallowed whole (do not crush).
Missed Dose Rule Resume treatment normally with the next dose; do not double the dose.

Population-Specific Dosing Rules

The usage protocol includes dose adjustments based on renal function. For patients with moderate renal impairment (creatinine clearance 30-60 mL/min), the dose is reduced: the modified-release 35 mg form is reduced to once daily, and the immediate-release 20 mg form is reduced to twice daily. This dosage reduction may also apply to older adults (over 75 years) who have corresponding reduced kidney function. The medicine is not for use in patients with severe renal impairment, and it is not recommended for the pediatric population (under 18 years) as safety has not been established.

Duration and Treatment Protocol

Continuation of treatment is conditional upon a review of its effectiveness. The benefit of the treatment must be evaluated after a period of three months; if no treatment response has been observed, clinical guidelines state that the medicine should be discontinued.

Recent Clinical Evidence

The Research Landscape for Trimetazidine

The clinical research for trimetazidine focuses on its use in research contexts involving cardiovascular conditions. The evidence base is primarily constructed from Randomized Controlled Trials (RCTs), a key study design that compares the medicine against a placebo or standard treatment. This body of research contributes to the understanding of patterns observed when the medicine was studied for conditions characterized by reduced oxygen supply to the heart muscle.


Evidence for Use in Stable Angina Pectoris

Trimetazidine was studied for the symptomatic management of Stable Angina Pectoris. Available research consists mostly of short- to intermediate-term RCTs that were designed to compare the medicine as an add-on to existing medication. Researchers monitored outcomes related to physical discomfort, such as the frequency of weekly angina attacks and the number of short-acting nitrate medications used. Studies also monitored functional measures like total exercise duration. The findings describe patterns where patients reported measurements of lower angina attack frequency and measured changes in exercise duration. However, these reports were largely based on short-term symptom changes, and follow-up durations were limited.


Research in Chronic Heart Failure and Special Groups

The medicine was studied for patients with Chronic Heart Failure (reduced Ejection Fraction). Research includes various-sized RCTs and meta-analyses that monitored LVEF (a measure of heart pumping ability) and functional status. Research describes patterns of measured changes in LVEF and functional classification. However, findings regarding major clinical events like all-cause mortality were mixed across studies.

Furthermore, research studies explored subgroups, such as patients with Stable Angina Pectoris and coexisting Type 2 Diabetes Mellitus, where findings describe patterns of symptomatic improvement. For these specific groups, however, data for certain groups remain insufficient from large, dedicated comparative trials.


What Remains Uncertain in the Research

Despite numerous studies, the certainty remains low in several key areas. The most significant gap is the need for larger, definitive trials specifically designed to monitor and track long-term cardiovascular events or mortality. The long-term effects are not fully established regarding the sustained durability of the functional benefits, and evidence quality varies across studies, particularly for conditions outside of stable angina. The evidence highlights what is known — and what is still uncertain.

Frequently Asked Questions (FAQ)

Common questions about Trimetacor (FAQ)


Q: What's the main difference between Trimetacor and other common angina treatments?

Trimetacor functions as a metabolic agent that modulates how heart cells utilize energy substrates. Its mechanism involves shifting the heart's fuel source toward glucose oxidation, which is a process that requires less oxygen. Official product information states that Trimetacor is distinct from many conventional angina medicines because it does not significantly affect haemodynamic parameters, such as heart rate or blood pressure.


Q: Does Trimetacor help with shortness of breath or just chest pain?

Trimetacor is indicated for the symptomatic treatment of stable angina pectoris. Official studies for this indication primarily monitored outcomes related to symptoms like physical discomfort and increases in exercise duration. While its primary role is to support heart cell function during stress, specific relief of shortness of breath is not explicitly detailed in the labeling as a primary outcome.


Q: Is it normal to feel slightly dizzy when first starting Trimetacor?

Yes, regulatory documents list dizziness as a common side effect. This means it has been reported in 1 to 10 out of every 100 users. If any side effect, including dizziness, causes you concern, it is appropriate to consult your healthcare provider.


Q: Can I drink coffee or tea while I'm taking Trimetacor?

Regulatory information indicates that there are no documented interactions with foodstuffs that affect the absorption or clearance of Trimetacor. Since no interactions are noted with food, continuing to consume coffee and tea as part of a normal diet is consistent with official guidelines.


Q: Are there any specific foods I should avoid while on this medication?

Official prescribing information states that there are no known restrictions or specific foods that need to be avoided while taking this medication. The drug has been documented as having no interactions with common foodstuffs that would affect its absorption or clearance.


Q: Can I take vitamins or supplements while on Trimetacor?

Official regulatory data indicates that Trimetacor has a low potential for drug-drug interactions with widely used heart medicines. The drug is not known to inhibit the enzymes that break down many common substances. However, official data on drug interactions primarily concerns prescription medicines, not all possible vitamins or dietary supplements.


Q: Can Trimetacor affect the results of blood tests?

Regulatory studies have shown that co-administration of Trimetacor has no effect on the pharmacokinetics of specific probe substances, such as the drugs Digoxin or Theophylline. This suggests a low general risk of interference. However, the labeling does not contain a general statement about non-interference with all common blood tests.


Q: How should Trimetacor be stored (temperature, light exposure)?

Official guidelines require that Trimetacor be stored at a temperature not exceeding 30 C (86^circF) to maintain its stability. The official guidelines also require that the medicine be kept out of the sight and reach of children to prevent accidental ingestion.


Q: Why is Trimetacor not commonly used in the United States?

Trimetacor is widely used internationally, including in Europe and over 80 countries globally. However, the product is not currently approved for use by the Food and Drug Administration (FDA) in the United States.


Q: What are the signs that Trimetacor might not be working for my condition?

The continuation of treatment is conditional upon a formal review of its effectiveness. Official instructions require that a healthcare provider formally evaluate the benefit of the treatment after a period of three months. If no treatment response has been observed, regulatory instructions state that the medicine should be discontinued under medical supervision.


Q: Is Trimetacor widely accepted in European medical guidelines?

Yes. Trimetacor is approved and used in numerous countries, including a significant presence in Europe where it is authorized in many European Member states. Its use is established internationally as an antianginal and metabolic agent.


Q: What is the maximum daily dose of Trimetacor?

The official dosing schedule for the modified-release tablet provides a total daily amount of 70 mg. The immediate-release tablet provides a total daily amount of 60 mg. Dose adjustments for populations like older adults or those with moderate kidney impairment are determined by a healthcare professional.


Q: Does Trimetacor interact with common cold or flu medications?

The regulatory profile indicates no identified drug interactions with common heart medications, and no mandatory separation of dosing is required for co-administered products. This suggests a low potential for general drug-drug interactions, but specific cold and flu medications are not individually named in the labeling.


Q: Is it normal to feel a bit more tired when first starting this medication?

Official product information lists asthenia (a feeling of general weakness or lack of energy) as a common side effect. If this feeling is persistent or severe, consulting a healthcare provider is appropriate.


Q: Why is Trimetacor sometimes prescribed for inner ear issues?

While its primary use is for heart conditions, in certain regions, Trimetacor has been historically authorized for the supporting symptomatic treatment of conditions related to the inner ear, specifically vertigo and tinnitus (ringing in the ears), as well as some visual disturbances of vascular origin.


Q: Is the research on Trimetacor considered strong or limited?

Official regulatory reviews acknowledge that the medicine has been studied extensively in Randomized Controlled Trials (RCTs). However, these reviews also note that the certainty regarding long-term major cardiovascular events remains low, and the evidence quality varies across studies.


Q: What is the difference between immediate-release and modified-release Trimetacor?

The key difference is the rate at which the active ingredient is released into the body and the resulting dosing schedule. The modified-release form is designed to be taken less frequently—typically twice daily—to maintain a more stable concentration of the medicine over 24 hours. The immediate-release form must be taken more often.


Q: Is Trimetacor a preventative medication, or does it treat acute symptoms?

Trimetacor is classified as a medicine for the symptomatic treatment of stable angina pectoris. It is important to note that it is not indicated for the treatment of an acute or sudden angina attack.


Q: What is the purpose of the coating on some Trimetacor tablets?

The coating is essential for the Modified-Release (MR) or Prolonged-Release (PR) formulations. This specialized coating controls the speed at which the medicine is dissolved and absorbed, allowing the tablets to be taken less frequently than the immediate-release form.

How should Trimetacor be stored and disposed of?

How to Store and Dispose of Trimetacor (Trimetazidine)

Official regulatory information specifies the required conditions for storing and disposing of Trimetacor tablets to maintain product stability and safety.

Storage Requirements

Condition Requirement
Maximum Temperature Must be stored at a temperature not exceeding 30^circC (86^circF).
Child Safety Keep out of the sight and reach of children to prevent accidental ingestion.
Product Stability Adherence to the maximum temperature limit is required to maintain the medicinal product's stability.

Disposal Instructions

Any unused medicinal product or waste material must be disposed of in accordance with local requirements. This instruction mandates the use of established pharmaceutical return programs or local collection points for proper handling of expired or leftover medicine, rather than discarding it in household trash or wastewater.

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

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