Manther

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Manther

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Manther

What is Manther? (Artemotil)

Property Description
Active ingredient Artemotil (beta-Arteether)
Form Injection (Oil-based), Tablet
Pharmacological class Antimalarial (Artemisinin and Derivatives)
Common purpose Rapidly killing malaria parasites
Origin Semi-synthetic (from Artemisia annua)

What Type of Medicine is Manther (Artemotil)?

Manther is a pharmaceutical product containing the active substance Artemotil, which is classified as a potent Antimalarial agent. Artemotil (beta-Arteether) belongs to the Artemisinin and Derivatives drug class, a foundational category in modern parasitic disease treatment. This compound is a semi-synthetic derivative of Artemisinin, a natural substance isolated from the sweet wormwood plant (Artemisia annua). This modification provides the necessary chemical stability required for manufacturing and controlled clinical delivery.

The active ingredient functions as a prodrug; it is chemically designed to be converted by the body into the primary therapeutic agent, Dihydroartemisinin (DHA). Manther is a prescription-only (Rx) medication, typically used when rapid, high-efficacy intervention is necessary, such as in cases of severe or complicated parasitic infections.


What is Manther's Role and General Purpose?

The primary therapeutic goal of Manther is to act as a blood schizonticide, defining its general purpose as the rapid and direct elimination of the multiplying malaria parasites in the bloodstream. The medication is clinically recognized for its fast action even against strains of parasites that have developed resistance to older drug classes. This rapid action is critical for quickly reducing the parasitic load and interrupting the life cycle of the infection.

The compound's active form achieves this through its unique chemical structure, which interacts with iron within the parasite cell, generating cytotoxic radical species that destroy the parasite's vital structures.


Available Forms of Manther

Manther is provided as a single-ingredient drug entity primarily in oil-based injection and tablet dosage forms. The injectable preparation, often utilizing a vehicle like sesame oil, is necessary for the stability and appropriate delivery of the lipid-soluble Artemotil compound. This composition and dual availability provide administrative flexibility, which is crucial for managing patients depending on the severity and setting of their parasitic infection.

What side effects are possible with Manther?

Possible Side Effects and Safety Information

The safety profile for Manther (Artemotil) is formally documented in regulatory texts, categorizing possible adverse effects primarily by frequency and the physiological system affected.


Adverse Reaction Scope

Classification Examples of Documented Effects
Common Effects (Gastrointestinal & CNS) Headache, Dizziness, Nausea, Vomiting, Diarrhoea, Abdominal pain, Fever.
Uncommon Effects (Skin & General) Rash, Injection site pain (for injectable form).
Expected Laboratory Changes Transient reduction in reticulocyte and neutrophil counts, transient elevations in liver enzymes (ALT/AST).

Serious Adverse Reactions and Safety Constraints

Certain reactions, though rare, are considered clinically significant and are highlighted in official documents. This includes the potential for Hypersensitivity reactions, which can be serious, and the documented high-level concern regarding the potential for Neurotoxicity associated with the artemisinin drug class.

Regulatory documents also mandate high-level safety considerations for specific patient populations. Caution or restriction is necessary for individuals with Severe Hepatic Impairment due to the potential for altered drug clearance. Furthermore, the use of Manther during Pregnancy is often restricted to situations where therapeutic benefit outweighs the risk, particularly in the first trimester.

These haematological changes (reticulocyte and neutrophil count reductions) are typically noted as time-dependent and transient, expected to occur following the initiation of treatment.

Overdose and Emergency Response

The official regulatory information for Manther (Artemotil) primarily addresses the potential for toxicity derived from high-dose studies of the artemisinin drug class, as documented human overdose cases are limited or currently undocumented in some prescribing information. This regulatory approach guides the mandatory emergency response based on potential risk.

Overdose Risk and Signs
An excessive dose poses a risk of cardiotoxicity, which may manifest as cardiac irregularities or QTc prolongation at high doses.
The potential for neurotoxicity requires clinical monitoring for signs such as gait disturbance or altered neurological reflexes, based on pre-clinical findings.
Emergency Action Required
Immediate medical attention is mandated for accidental or severe overdose, requiring transfer to a specialised centre for management.
No specific antidote is known for this compound; therefore, treatment is officially defined as symptomatic and supportive.
Management requires continuous observation, including ECG monitoring, to address and manage any severe cardiac or systemic effects that may arise.

The drug's official overdose profile emphasizes that when severe over-exposure is suspected, urgent professional medical intervention is critical for managing potential life-threatening symptoms and maintaining vital functions. This action is critical because supportive care is the only available intervention in the absence of a known antidote.

Therapeutic Uses of Manther

What Manther Treats: Main Uses and Benefits

The primary therapeutic domain for Manther (Artemotil), an artemisinin derivative, is relevant in the management of conditions marked by increased physiological stress, such as severe parasitic infections. This class of drugs is considered relevant for the management of severe and complicated malaria, including infections caused by P. falciparum that present with heightened physiological stress.

This medication is commonly used across conditions characterized by periods of heightened symptoms, particularly for the initial and critical management of severe malarial episodes. It is relevant for easing symptoms related to physical discomfort and acute manifestations such as high fever, intense chills, and debilitating headaches. It is also applied in situations involving drug-resistant strains of P. falciparum when established, older antimalarials may be failing. The therapeutic effect provided by this medication may assist in reducing the intensity of symptoms and may support the management of conditions where symptoms may intensify temporarily.

“This medication may assist with managing conditions where symptoms may intensify temporarily.”

It is used to address the acute symptoms of severe and complicated malaria, including cerebral malaria, unstable symptom patterns, and conditions due to drug-resistant parasites.


Quick Fact: Relief for Severe Symptom Patterns Manther is commonly used when symptoms become temporarily overwhelming, offering support that helps ease the overall symptom burden associated with acute parasitic infections, and assists with maintaining functional stability.

Regulatory References

  1. Canada.ca Health Agency

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Manther (Artemotil)

The official regulatory profile defines patient eligibility for Manther (alpha,beta-Arteether) based on a patient's history, age, and physiological status.


Contraindications and Non-Eligibility

Category Eligibility Status (Regulatory Label)
Hypersensitivity Contraindicated in patients with known allergy to alpha,beta-Arteether or any artemisinin derivative.
Pregnancy Status Contraindicated (safety is not established in general use; conditional use only for severe disease).
Lactating Mothers Not recommended; women should not breast-feed during therapy.

Restricted and Established Use

Category Eligibility Status (Regulatory Label)
Age (Under 16) Restricted use due to a documented potential for cardiac effects.
Adults and Children Eligible for use in the treatment of severe and complicated P. falciparum malaria.
Severe Organ Failure Use not established for patients with severe renal or hepatic impairment due to a lack of regulatory study data.

Connection to the overall eligibility profile

Regulatory documents explicitly define that Manther is contraindicated for anyone with a known hypersensitivity to the drug class. Use is strictly restricted for pregnant women and children under 16, with special caution mandated in these populations. The medicine is otherwise eligible for use in adults and children who meet the criteria for severe or complicated malaria, provided they do not have any of the specific non-eligibility conditions listed in the labeling.

What should I know about interactions with other medicines?

The drug product Manther belongs to the class of artemisinin derivatives, which are primarily used as antimalarial agents. As with all medications in this therapeutic class, its potential for drug-drug interactions is a critical consideration due to the complexity of the body's drug processing systems, particularly the cytochrome P450 (CYP) enzyme pathway.

Potential Drug-Drug Interactions

Manther is known to be metabolized in the liver, often involving CYP enzymes. This pharmacokinetic pathway means that co-administration with other medicines that affect these enzymes may alter the concentration of Manther or the co-administered drug, potentially affecting efficacy or increasing the risk of adverse effects.

Key Interacting Medicinal Product Categories:

  • Strong CYP Enzyme Inhibitors/Inducers: Medicines that significantly increase (induce) or decrease (inhibit) the activity of CYP enzymes (especially CYP3A4) can affect Manther's breakdown. Combining Manther with strong inducers may lead to lower therapeutic levels and treatment failure. Combining it with strong inhibitors may increase its concentration, raising the risk of toxicity.
  • Medicines that Prolong the QT Interval: Manther, like other antimalarials, can carry a risk of electrocardiogram changes (QTc prolongation). Combining it with other medicines known to prolong the QTc interval, such as certain antiarrhythmics, antipsychotics, or some antibiotics, can increase the risk of serious heart rhythm disturbances. This combination is generally considered clinically significant and often requires close monitoring or avoidance.

Food and Other Product Interactions

Unlike many medications, Manther is often advised to be taken with food, or food enriched with fat, to promote absorption and optimize drug levels. Antacids and other substances that can interfere with gastrointestinal absorption should be spaced appropriately to maintain effective drug concentration. Patients should discuss all concurrent medications, including over-the-counter products, supplements, and herbal remedies, with a healthcare professional to assess the interaction risk.

Mechanism of Action

️ How Manther Works

Mechanism 1: Iron-Triggered Chemical Activation

The drug's action is initiated by chemical activation within the parasite. The active metabolite, Dihydroartemisinin (DHA), relies on the iron/heme released from the host's hemoglobin digestion to cleave its endoperoxide bridge. This cleavage is a crucial molecular step that generates highly reactive, cytotoxic free radicals, modifying early molecular steps that result in cellular disruption.

Mechanism 2: Multi-Target Cellular Destruction

The resulting free radicals act as a direct, widespread chemical assault, causing irreversible covalent binding and damage to essential parasitic proteins and membrane lipids. Concurrently, DHA inhibits the parasite's vital Sarco/endoplasmic Reticulum Ca^2+-ATPase (PfATP6) enzyme, resulting in the modulation of processes driven by distinct signaling patterns. This dual, high-speed attack on critical parasitic structures and regulatory systems results in the irreversible destruction of asexual blood-stage parasites, resulting in the cessation of the parasitic life cycle in the blood.

Dosage and Administration Information

The administration of Manther (Artemotil) is strictly governed by established protocols, defining a short, fixed course of therapy via injection. Dosing regimens are based on official product specifications for the alpha, beta-Arteether injectable form. The medicine is restricted to the intramuscular (IM) route only; no other route of administration is permissible.

Feature Official Labeled Instruction
Route Restriction Intramuscular use only.
Adult Dosing 150 mg once daily.
Pediatric Dosing 3 mg/kg per day.
Treatment Duration Fixed course of three consecutive days

The administration schedule requires the injection to be given once daily for a total duration of three days. The dose is a non-adjustable amount, determined either by the standard adult measure or the weight-based calculation for children.

Procedural Conditions for Injection The official instructions require specific procedural steps for the administration of the oil-based solution:

  • The injection must be administered deep intramuscularly under aseptic conditions.
  • The preferred injection site is the upper external quadrant of the buttock.
  • The volume of the initial dose may be divided and injected into both thighs to manage the site.
  • A key procedural constraint is that no other drug should be drawn into or mixed within the same syringe, ensuring the integrity of the formulation.

This structured protocol defines Manther’s use as a fixed, three-day administration course intended for standardized delivery in a supervised setting.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Manther (Artemotil)


Clinical Research for Severe and Complicated Malaria

Research regarding Manther (Artemotil) was evaluated in clinical trials that research examined its use in managing conditions involving periods of heightened symptoms, specifically severe and complicated Plasmodium falciparum malaria [NIH/NLM]. These studies, which include Randomized Controlled Trials (RCTs), was studied for its role compared to older treatments, such as quinine. Research goals included the evaluation of Parasite Clearance Time (PCT), which is a measure of how rapidly the parasite load changes during the study period.

Researchers monitored several key clinical outcomes related to systemic or functional imbalance. This included measuring the time required for the fever to break and the time needed until the parasites were observed in studies related to their presence in the bloodstream (PCT). Findings describe patterns observed in the studies where measurements for parasite clearance time was observed in trials involving the artemisinin class and trials involving quinine.


How Studies Measured Treatment Success

In addition to measuring the elimination of the parasite, trials for Manther applied in research contexts involving fluctuating or unstable symptoms such as cerebral malaria. For these cases, studies examined outcomes capturing phases of heightened symptom activity, such as the time taken for patients in a coma to regain consciousness, referred to as Coma Resolution Time (CRT). The research also explored the recurrence of the infection (recrudescence) after initial treatment.

Findings indicate that when studies compared the artemisinin class to older treatments like quinine, the reported measurements for CRT were similar in both groups; researchers also explored measurements for patient status [Cochrane Review]. Research highlights changes measured during the study period but does not determine whether an individual will respond similarly.


Research Gaps and Areas of Uncertainty

The evidence supporting the use of the entire artemisinin class is extensive, but the evidence specific to Artemotil alone evidence quality varies across studies. Sample sizes were modest in the individual Artemotil trials. Comparative evidence is lacking for a direct, large-scale comparison of Artemotil against the current internationally recognized standard of care, intravenous artesunate. Therefore, conclusions regarding its relative standing often rely on indirect evidence synthesized from the broader artemisinin drug class. While research provides insight into short-term changes and patient status, long-term outcomes following treatment are not fully established for this specific drug.

Frequently Asked Questions (FAQ)

Common questions about Manther (FAQ)

Q: What is the main purpose of the Manther medicine?

A: According to regulatory documents, the active ingredient in Manther is classified as an antimalarial. Its primary purpose is the treatment of severe and complicated malaria caused by the parasite Plasmodium falciparum.

Q: Is Manther a type of antibiotic or an anti-inflammatory?

A: Official product information classifies Manther as an Antimalarial drug. It is a derivative of artemisinin, a chemical class developed specifically to target the malaria parasite.

Q: How quickly can I expect Manther to start working?

A: Studies and official information indicate that the medicine acts quickly against the parasite. Researchers measure prompt clearance of the parasites from the bloodstream, with this process often beginning within hours of the first injection. Clinical studies often measure the resolution of fever and other symptoms over a longer period.

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

A: The duration of the drug's effect is related to its elimination half-life, which can range from 2 hours up to 40 hours for its various components. This duration aligns with the fixed, short course of treatment defined in the official prescribing information.

Q: Is Manther classified as a controlled substance?

A: Manther is classified in regulatory documents as an antimalarial drug. It is not listed as a controlled substance in government schedules for drugs with a potential for abuse or dependence.

Q: Does Manther cause fatigue or make you feel sleepy?

A: Official safety profiles and studies have reported common side effects that include tiredness (fatigue), weakness, dizziness, and sleep disturbance. Side effects should always be discussed with a healthcare provider.

Q: What is the difference between Manther and similar treatments like [placeholder drug name]?

A: Official documents describe that Manther (Artemotil) is a part of the artemisinin drug class. Research has examined its use compared to older treatments like quinine and has also compared its features to other related artemisinin derivatives, focusing on measurements of infection clearance.

Q: Are there different strengths or forms of Manther available?

A: The active ingredient is available in different forms, including an oil-based injection for intramuscular use, as well as combination tablets with other antimalarial agents for oral use. The available strengths depend on the specific formulation and the country's regulatory approval.

Q: Is Manther a preventative treatment or a treatment for active symptoms?

A: According to the official regulatory indications, the medicine is intended for the treatment of severe malaria (the active disease). It is not indicated or approved for the purpose of preventing malaria (prophylaxis).

Q: Can Manther be used by people with existing heart problems?

A: Because Manther carries a risk of affecting the heart’s rhythm (QTc prolongation), the official restrictions mandate avoidance in patients with clinical conditions known to prolong the QT interval, which includes certain types of cardiac rhythm issues.

Q: Is Manther suitable for people with a history of kidney or liver disease?

A: Official regulatory documents advise caution for patients with existing liver or kidney conditions. While no dose adjustment is typically recommended for mild to moderate impairment, close monitoring is necessary for individuals with severe kidney or liver disease.

Q: Can Manther be taken at the same time as pain relievers?

A: The product information advises caution when using Manther with other medicines that can affect the heart's electrical activity or the liver's drug breakdown. Since some pain relievers can fall into these categories, patients are advised to check for potential interactions with all concurrent medicines.

Q: Can Manther be taken alongside over-the-counter allergy medicine?

A: Official drug information requires caution when taking Manther with over-the-counter products that can affect the QTc interval. Some older allergy medicines (antihistamines) are known to carry this risk, and patients are advised to check for potential interactions with all concurrent medications.

Q: If I am taking a medicine for high blood pressure, will Manther cause an interaction?

A: Some medicines used to manage high blood pressure can interact with Manther by affecting the QTc interval or the liver's drug-processing enzymes. Regulatory information defines these interaction categories, and patients should review all high blood pressure medicines with a healthcare professional for specific risks.

Q: What if I have an existing mental health condition—can I still use Manther?

A: Caution is necessary if taking medicines for a mental health condition, as some treatments, such as certain antipsychotics, are known to prolong the QTc interval. This is a risk factor for interaction, and all current medications should be discussed with a healthcare provider to assess risk.

Q: Is Manther only for use by a specific gender?

A: The regulatory labels and dosing instructions address use in both adult and pediatric populations. There are no specific gender-based restrictions mentioned for the use of this medicine.

Q: How long after stopping Manther does it typically stay in your system?

A: The time needed for the body to clear the medicine is based on the elimination half-life of its active components. Since the half-life can be up to 40 hours, the drug and its metabolite may take several days to be fully eliminated from the system.

Q: What does the term 'contraindication' mean in relation to Manther?

A: A contraindication is a regulatory term meaning that using the drug for a specific patient or situation may cause serious harm or is otherwise strictly prohibited. The official documents list contraindications that prohibit the use of Manther under certain circumstances.

Q: What does 'irreversible covalent binding' mean in simple terms?

A: This technical term from the 'How it works' section describes a permanent chemical process. It means that the active component of the drug forms a very strong, stable bond with critical molecules inside the parasite, causing permanent damage that stops the infection.

Q: Is Manther covered by a special safety warning or alert from regulatory bodies?

A: The product information contains significant safety constraints and high-level warnings. These include concerns related to the potential for cardiotoxicity (affecting the heart) and neurotoxicity (affecting the nervous system).

Q: Does Manther come with a Patient Information Leaflet or medication guide?

A: Yes, as required by regulatory authorities such as the FDA and EMA, prescription medicines are typically dispensed with a Patient Information Leaflet (PIL) or Medication Guide. This document provides summarized safety and usage information.

How should Manther be stored and disposed of?

The storage and disposal of Manther (Artemotil) are strictly defined by regulatory guidelines to preserve product stability.

Official Storage Requirements

Condition Requirement
Temperature Store below 30 C (86 F). Do not refrigerate or freeze.
Protection Keep in the original container, protected from light (injection form) and moisture (tablet form).
Stability The injection is for single use only. Discard any unused portion immediately after opening.
Child Safety Must be kept out of the sight and reach of children.

Official Disposal Rules

All unused, expired, or leftover product must be disposed of according to local pharmaceutical waste requirements. Disposal should not be done via household trash or wastewater (flushing down a toilet or sink), but must follow official, regulated take-back schemes or established pharmaceutical waste procedures.

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

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