Adelax

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Adelax

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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 Adelax

Quick Facts

Property Description
Active ingredient Flupentixol Dihydrochloride, Melitracen Hydrochloride
Form Film-coated tablet (Oral preparation)
Pharmacological class Psychoactive Agents (Typical Antipsychotic/TCA combination)
Common use Addressing co-occurring low mood and anxiety
Origin Synthetic derivative compounds

Adelax is defined as a fixed-dose combination (FDC) synthetic medicinal product designed to address co-occurring symptoms of low mood and anxiety, providing a dual-action approach to emotional balance. This preparation is classified by the World Health Organization (WHO) under the category of Psychoanaleptics.


What Type of Medicine is Adelax? (Identity and Pharmacological Class)

Adelax is uniquely characterized by its formulation, which includes two distinct active substances: Flupentixol Dihydrochloride and Melitracen Hydrochloride. This product is known internationally under trade names such as Deanxit, and its composition is recognized in clinical practice for its bipolar therapeutic strategy. This strategy pairs a low-dose Typical Antipsychotic (Neuroleptic), Flupentixol, with a Tricyclic Antidepressant (TCA), Melitracen. The FDC product integrates two different pharmacological classes into one consistent oral preparation, typically a film-coated tablet.


Composition, Form, and General Purpose

The tablet form ensures a consistent, fixed ratio of the two synthetic compounds, a property pharmacologically supported for its ease of use in combination therapy. The general therapeutic goal of this unique combination is to support emotional balance and enhance mental drive. The blend of Melitracen, an agent recognized for its activating properties, and Flupentixol, which provides neural stabilization, is clinically used to address patients presenting with concurrent signs of reduced motivation, apathy, anxiety, and inner tension. Clinical reviews note that this FDC is a frequent choice for its combined activating and anxiolytic effects in cases of depressive neuroses. This indicates the medicine is utilized to simultaneously relieve anxiety while boosting mental energy.


Understanding the Dual-Action Mechanism

The dual mechanism involves complementary actions on brain chemistry that are medically recognized for their effectiveness in mixed affective states. The Melitracen component works to contribute to mood elevation by modestly affecting the reuptake of key neurotransmitters. Concurrently, the Flupentixol component works to calm and stabilize the nervous system by modulating dopamine receptors, which helps in the reduction of inner tension and nervousness. This established, balanced profile is designed to restore psychological functionality while minimizing excessive sedation, making it suitable for managing concurrent anxiety and low drive.

What side effects are possible with Adelax?

Possible Side Effects and Safety Information

The safety profile of Adelax (Flupentixol/Melitracen) is defined by officially documented adverse reactions categorized by frequency and the body systems affected. These safety characteristics reflect the dual nature of the medicine, which combines a low-dose neuroleptic and a tricyclic antidepressant.

Frequency-Classified Adverse Reactions

The most frequently reported effects, generally classified as Common in regulatory documents, include dry mouth, constipation, dizziness, sleepiness (somnolence), tremor, restlessness (agitation), and increased heart rate (tachycardia). Uncommon effects may include blurred vision and urinary retention.

System-Organ-Class Safety Groupings

Adverse effects are categorized by the systems they affect:

System-Organ Class Examples of Documented Effects
Nervous System Dizziness, Tremor, Sleepiness, Extrapyramidal symptoms
Gastrointestinal Dry mouth, Constipation
Vascular / Cardiac Orthostatic hypotension, Tachycardia, QT prolongation

Serious Adverse Reactions and Safety Constraints

The official labeling notes the potential for serious adverse reactions, though these are rare. These include Neuroleptic Malignant Syndrome (NMS), which involves high fever and muscle stiffness, and Tardive Dyskinesia, characterized by involuntary movements associated with long-term neuroleptic use. Serious cardiac events, such as QT prolongation and arrhythmias, are also documented safety concerns.

Safety documents also stipulate that the medicine is strictly contraindicated in patients with a recent myocardial infarction (heart attack) and those concurrently using Monoamine Oxidase Inhibitors (MAOIs).

Time-Related and Population-Specific Notes

Certain effects, such as extrapyramidal symptoms and sleepiness, are more likely to occur during the initial treatment phase. Furthermore, regulatory information advises caution for older adults, where dose reduction is often indicated. The medicine is generally not recommended during pregnancy or lactation, and its safety and efficacy are not established in children and adolescents.

Overdose and Emergency Response

Overdose and When to Seek Help

The following is a summary of the officially documented overdose profile for Adelax, based strictly on government regulatory documents.

Documented Overdose Presentations

Property Description
Documented Manifestations: Symptoms are primarily dominated by the Tricyclic Antidepressant (TCA) component (Melitracen), presenting with severe Central Nervous System (CNS) effects, cardiovascular distress, and anticholinergic signs. Extrapyramidal symptoms related to the Flupentixol component may occur.
Physiological Systems Affected: CNS (drowsiness, coma, convulsions), Cardiovascular system (tachycardia, arrhythmias, hypotension, circulatory collapse), and Anticholinergic system (dry mouth, urinary retention).
Severity Classification: Overdose is classified as a life-threatening emergency, particularly due to the risk of severe cardiac arrest and circulatory collapse.

Required Emergency Actions

Official regulatory sources mandate that anyone who suspects an Adelax overdose must contact a doctor or nearest hospital casualty department immediately [Source 3.6]. This instruction is absolute and must be followed even if there are no immediate signs of discomfort or poisoning, as serious, delayed effects can occur [Source 3.6]. Individuals are required to bring the medicine container to the medical professional [Source 3.6].

Official Management Procedures

Treatment is classified as symptomatic and supportive, as no specific antidote is known for this combination [Source 1.3, 2.2]. Recommended supportive measures include gastric lavage and activated charcoal if performed soon after ingestion [Source 1.3, 2.2]. Continuous cardiac monitoring is required to manage the high risk of life-threatening arrhythmias [Source 3.5]. The label explicitly states that Epinephrine (adrenaline) must not be used in managing this type of overdose [Source 1.3, 2.2].

Therapeutic Uses of Adelax

What Adelax Treats: Main Uses and Benefits

The medication is applied in addressing symptoms related to anxiety and low mood and is considered relevant in contexts marked by increased discomfort or tension. Adelax is applied in addressing symptomatic discomfort in conditions characterized by periods of heightened symptoms, such as depressive neuroses, psychogenic depression, masked depression, and psychosomatic affections where emotional distress complicates physical symptoms.

The medication is generally useful in situations where patients experience a dual burden of emotional distress and a lack of energy. Adelax is applied across domains where additional symptomatic support is needed to address symptoms that interfere with daily functioning, such as apathy and chronic fatigue (asthenia). It provides support that helps ease the symptom load during these emotional episodes, offering supportive relief to individuals coping with mixed affective states. The medication may also assist with managing functional somatic disorders like certain forms of IBS or functional pain.


Quick Fact: Relief for Concurrent Emotional and Somatic Symptoms

Symptom Domain Symptomatic Benefit
Mixed Emotional Distress Supports general well-being during symptomatic phases and helps ease inner tension.
Asthenia (Low Drive) Assists in managing apathy and may assist with managing low energy.
Functional Somatic Complaints Provides supportive relief for physical discomfort linked to emotional tension.

Regulatory References

  1. Malta Medicines Authority package leaflet

Eligibility and Restrictions for Use

Official Eligibility Profile

The eligibility for Adelax is strictly governed by regulatory classifications, outlining populations for whom use is permitted, restricted, or contraindicated.

Category Eligibility Classification
Age Group Adults are permitted; Children and adolescents under 18 are not recommended due to a lack of efficacy and safety data. Older adults may require a lower initial dose.
Contraindicated Conditions The medicine is contraindicated for patients with a recent myocardial infarction, certain disorders of cardiac rhythm, untreated narrow-angle glaucoma, and acute alcohol/barbiturate/opiate intoxication.
Concomitant Therapy Use is contraindicated with Monoamine Oxidase Inhibitors (MAOIs) or within two weeks of stopping an MAOI.
Physiological Status It is not recommended for use in severe depression requiring hospitalization or in excitable/overactive patients. Advanced cardiovascular or hepatic disease requires caution.
Maternal Status Use is not recommended during pregnancy and lactation, and should only be administered if the expected benefit clearly outweighs the theoretical risk to the fetus or infant.

This framework defines mandatory prohibitions for patients with certain cardiovascular and neurological disorders, ensuring adherence to labeled restrictions. Use is generally permitted for adults but requires caution and special consideration in the elderly and those with specific comorbidities like epilepsy or hyperthyroidism.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Adelax's interaction profile, as defined in regulatory documents, is primarily driven by pharmacodynamic potentiation and strict restrictions on contraindicated agents.

Category Official Regulatory Entities / Statements
Medicinal product categories with documented interactions Monoamine Oxidase Inhibitors (MAOIs), Central Nervous System (CNS) Depressants, Sympathomimetics, Adrenergic Neurone Blockers, Anticholinergic Agents.
Specific interacting medicines (if explicitly listed) Lithium (due to risk of neurotoxicity), Guanethidine, Reserpine, Clonidine (as Adrenergic Neurone Blockers).

Official Interaction Statements

  • Contraindicated Combinations: Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is formally contraindicated due to the documented risk of a hypertensive crisis or serotonin syndrome. Acute intoxication states involving alcohol, barbiturates, or opiates are also officially contraindicated.
  • Timing Separation: A mandatory two-week period of separation is required between the discontinuation of an MAOI and the initiation of treatment with this medicine, as explicitly stated in regulatory labeling.
  • Pharmacodynamic Potentiation: The combination may enhance the CNS depressant effect of substances like alcohol and other CNS depressants, requiring consumption to be avoided or limited, and it may also potentiate the effects of anticholinergic agents.
  • Antihypertensive Interference: Regulatory documents state that Adelax may counteract the antihypertensive effects of Adrenergic Neurone Blockers, such as guanethidine.
  • Cardiovascular Potentiation: The official label notes that Melitracen may potentiate the cardiovascular effects of Sympathomimetics (e.g., adrenaline, noradrenaline).

Mechanism of Action

Adelax functions as a competitive antagonist at peripheral muscarinic acetylcholine receptors (mAChRs), primarily targeting the M3 receptor subtype expressed on the surface of smooth muscle cells and glandular tissue.

The compound binds reversibly to the orthosteric site of the M3 mAChR, preventing the endogenous neurotransmitter acetylcholine (ACh) from binding and initiating signal transduction. This blockade inhibits the Gq protein-coupled intracellular cascade, which typically involves the activation of phospholipase C (PLC) and the subsequent generation of inositol trisphosphate ( IP3) and diacylglycerol (DAG).

The resulting intracellular consequence is a reduction in the release of calcium ions ( Ca^2+) from the sarcoplasmic reticulum. This decreased intracellular calcium concentration prevents the activation of myosin light chain kinase (MLCK), which is essential for initiating smooth muscle contraction. The downstream cascade leads to diminished cholinergic drive in smooth muscle, resulting in a state of myorelaxation in targeted tissues. The system-level physiological consequence is an alteration of parasympathetic outflow, modulating contractility in organ systems innervated by cholinergic fibers.

Dosage and Administration Information

How to Use Adelax

The medicine Adelax is a fixed-dose combination product for oral administration only. It is supplied as a film-coated tablet containing the standardized amounts of Flupentixol (0.5 mg) and Melitracen (10 mg).


Standard Administration and Regimen

The tablets are intended to be swallowed whole with water and should not be chewed. Administration may occur with or without food. Due to the product's activating properties, the dosing schedule is typically restricted to the earlier part of the day to avoid potential sleep interference.

For adults, the usual starting regimen is two tablets daily, taken as one tablet in the morning and one tablet at noon. In cases requiring higher initial support, the daily dose may be increased to three tablets, provided the absolute maximum of four tablets per day is not exceeded. Once the need for higher support diminishes, the dose is generally reduced to a maintenance dose of one tablet daily, typically taken in the morning.


Use in Specific Populations

Specific administration instructions exist for certain patient groups. For older adults (above 65 years), the starting dose is typically reduced to one tablet per day, taken in the morning. The maximum recommended daily intake for this population is limited to two tablets. Use in children and adolescents under 18 years of age is generally not recommended as the safety and efficacy profile has not been fully established in this group.

Treatment duration is individualized; however, if no clinical improvement is observed after approximately one week at the maximum dose, discontinuation is typically considered.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Clinical Evaluation

Early-stage research focused on characterizing the biological effects of the compound, which is a combination of flupentixol (a thioxanthene) and melitracen (a tricyclic antidepressant). The studies assessed changes in symptom severity metrics during the trial period for conditions such as anxiety and depression. Research evaluated whether the drug regimen correlated with measurements of the quality of life for individuals experiencing mood disorders.


Key Findings from Pre-Clinical and Phase I Trials

Pre-clinical studies examined the drug’s binding affinity and metabolic profile in isolated cells and animal models. Phase I trials reported on the initial safety metrics and pharmacokinetics (how the body handles the drug) in healthy human volunteers. These trials focused on determining the limits of exposure in human volunteers.


Phase II and III Assessment Data

  • Symptom Score Measurement: Trials utilizing established rating scales were reviewed to assess changes in reported symptom levels over the study period. A key finding from the research was a correlation between drug administration and changes in reported metrics for anxiety and depression.
  • Functional Capacity Assessment: Research examined changes in daily functioning, mobility, and physical activity levels following the drug’s use.
  • Combination Assessments: One study examined the use of the drug in combination with light exercise. The combination was assessed in terms of its association with sleep quality metrics and its impact on the concurrent use of other medications.

Safety and Tolerability Profile

Various studies assessed the effect of this drug, with one trial reporting a measured response in a large majority of participants. Reported safety data from studies characterized the tolerability of the drug among adult participants, though certain populations, such as those with severe kidney issues, were often excluded from these trials. The adverse events most frequently reported in the trials involved symptoms such as headaches and gastrointestinal discomfort.

Key Studies & References

  1. Efficacy and safety of flupentixol-melitracen in patients with refractory chronic cough: a randomised, double-blinded, placebo-controlled clinical trial
  2. Review Article The Efficacy of Flupentixol-Melitracen in the Adjuvant Therapy of Ulcerative Colitis in the Chinese Population: A Meta-Analysis
  3. SUMMARY OF PRODUCT CHARACTERISTICS (SmPC) for Deanxit film-coated tablets (Flupentixol/Melitracen)

Frequently Asked Questions (FAQ)

Common questions about Adelax (FAQ)

Q: Does Adelax interact with common pain relievers like ibuprofen?

A: Regulatory documents advise caution regarding potential interactions involving the Melitracen component of this medicine and certain common pain relievers known as non-steroidal anti-inflammatory drugs (NSAIDs). Official product information indicates that this combination may increase the risk of gastrointestinal bleeding. The complete medication list for an individual is a key consideration for their prescribing healthcare professional.

Q: Can Adelax be used by people with kidney issues?

A: Official documents advise that caution is needed in patients who have pre-existing kidney or liver conditions. Furthermore, individuals with severe kidney issues were often excluded from the original clinical trials used for regulatory review. Use in these populations may require special consideration and assessment by a healthcare professional.

Q: How long does it usually take for Adelax to start working?

A: Official administration instructions provide a timeframe for reassessment, suggesting that if no signs of clinical improvement are observed after approximately one week at the maximum dose, discontinuation should be considered. This reference point is used as a guideline for initial treatment review by healthcare professionals.

Q: How long does the effect of one dose of Adelax typically last?

A: The duration of the effect is related to how the body processes the medicine, which is called pharmacokinetics. The drug contains two active components, each with its own processing time. Official information indicates the biological half-life of Flupentixol is approximately 35 hours, while the half-life of Melitracen is approximately 19 hours.

Q: Can Adelax affect my ability to drive?

A: Regulatory warnings indicate that the ability to operate machinery or drive may be affected by the medicine. This is due to the potential for common side effects such as sleepiness (somnolence) and dizziness that are listed in the official product information.

Q: What is the risk of stopping Adelax suddenly?

A: Regulatory information indicates that treatment is usually withdrawn gradually to help minimize the experience of discontinuation symptoms, rather than stopping the medicine suddenly. This is a common practice for medicines of this type.

Q: How quickly does Adelax leave the body?

A: The speed at which the medicine leaves the body is described by the half-life of its components in pharmacokinetic data. Official product information states that the biological half-life of Flupentixol is approximately 35 hours, and the half-life of Melitracen is approximately 19 hours.

Q: What should I know about Adelax and alcohol consumption?

A: Official documents state that the medicine may enhance the central nervous system (CNS) depressant effects of substances like alcohol. Because of this potential for increased sedation and other effects, regulatory warnings recommend that consumption of alcohol be avoided or limited.

Q: Can Adelax cause drowsiness or fatigue?

A: Official safety data lists sleepiness (somnolence) as a commonly reported effect of the medicine among participants in clinical studies. This finding is one of the recognized neurological effects of the medicine's components.

Q: Is it normal to have mild headaches when starting Adelax?

A: Official safety data characterizes headaches as an adverse event that was frequently reported by participants during clinical trials. This indicates that headaches are a known and common occurrence associated with the medicine's use.

Q: What is the risk of Neuroleptic Malignant Syndrome (NMS) with Adelax?

A: The official labeling notes that Neuroleptic Malignant Syndrome (NMS) is a potential serious adverse reaction associated with the neuroleptic component of the medicine. While serious, this syndrome is reported to occur rarely, consistent with the class of medicine, and is an officially documented safety concern.

How should Adelax be stored and disposed of?

Official Storage and Disposal Requirements

The required storage conditions for Adelax (Flupentixol/Melitracen) tablets are explicitly defined in regulatory documentation to ensure product quality and safety.

Item Official Regulatory Requirement
Storage Temperature Store at a temperature not exceeding 30 C (86 F) in a dry place.
Handling Requirements Protect from light and keep in a dry place. Do not refrigerate or freeze.
Packaging Rules Tablets must be stored in the original container (blister pack or bottle).
Child Safety Keep out of reach of children.
Disposal Unused or expired Adelax must be disposed of according to local regulations.
Environmental Rule Do not dispose of via wastewater or household waste to protect the environment.

These statements require the user to maintain the specified temperature and environmental conditions, prohibit certain storage environments, and mandate that disposal must follow authorized pharmaceutical waste procedures.

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

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