Maver

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Maver

Treatment option:

Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Maver

What is Maver?

Maver is a pharmacological treatment designed for the management of chronic hepatitis C virus (HCV) infection. It is a fixed-dose combination therapy consisting of two direct-acting antiviral agents: glecaprevir and pibrentasvir. These components work together to inhibit the replication of the virus across various genotypes.

Mechanism of Action

The effectiveness of Maver is derived from the synergistic action of its two primary active ingredients, which target specific proteins necessary for the viral life cycle:

  • Glecaprevir: This component is an NS3/4A protease inhibitor. It works by blocking the enzyme responsible for cleaving viral polyproteins into functional units, thereby preventing the virus from maturing and replicating.
  • Pibrentasvir: This component is an NS5A inhibitor. It targets a non-structural protein that is essential for both viral RNA replication and the assembly of new virus particles.

By attacking the virus at two different stages of its development, the combination helps to lower the viral load in the body to undetectable levels, a state often referred to as a sustained virologic response.

Clinical Application

Maver is utilized in adult and pediatric patients to treat chronic hepatitis C. It is formulated to be effective against all major genotypes of the hepatitis C virus (Genotypes 1 through 6). This pan-genotypic capability allows the medication to be used in a broad range of patients, including those who have not previously received treatment and those with certain types of compensated liver disease, such as cirrhosis.

The development of this combination therapy represents an advancement in antiviral research, moving toward shorter treatment durations and higher rates of viral clearance compared to older interferon-based regimens.

Regulatory References

  1. WHO Essential Medicines List: Antimalarials

What side effects are possible with Maver?

Possible Side Effects and Safety Information

This section describes the officially documented adverse reactions and safety characteristics of Arteether (Maver) as classified in government regulatory documents.

Officially Documented Adverse Reactions

Side effects are classified by the physiological system affected, in line with regulatory standards:

  • Gastrointestinal Disorders: Reactions commonly listed include nausea, vomiting, and depressed gastrointestinal tract activity.
  • Nervous System Disorders: The label notes the possibility of dizziness, headache, and tinnitus.
  • Blood and Lymphatic System Disorders: Adverse effects include neutropenia and an increase in eosinophil count, with transient reticulocytopenia observed in individual cases.
  • General & Administration Site Conditions: Pain at the injection site, chills, rigors, and low fever are also documented.

Serious Safety Considerations

The official safety profile highlights the potential for effects on the heart. These include ECG abnormalities such as prolongation of the QT interval. The possibility of a serious adverse event, specifically arrhythmia (ventricular tachycardia), is noted as occurring in rare cases.

Regulatory Safety Restrictions and Cautions

Maver is formally contraindicated in individuals with a known hypersensitivity to artemisinin derivatives. Furthermore, caution is advised with the concomitant use of other medications known to prolong the QT interval, due to the potential for additive effects on cardiac function. The safety of Arteether is not established during pregnancy, especially the first trimester, and its use is not studied in patients with pre-existing renal or liver failure.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Maver (Arteether Injection) states that no specific case of human overdose has been formally documented during clinical experience. Consequently, the overdose protocol focuses strictly on managing potential systemic toxicity identified in non-human safety studies and on implementing mandatory supportive care.

In the event of accidental overdose, immediate medical assistance is required to initiate management under the instruction of a doctor. This action is critical because the product information confirms that no specific antidote is known for Arteether.

Potential Systemic Effects from Safety Studies

While human data is absent, high-dose exposure in pre-clinical studies documented the potential for severe systemic effects. These findings, mentioned in regulatory documents, include signs of neurotoxicity (such as convulsions and respiratory depression) and cardiac toxicity (specifically, prolongation of the QT interval).

Management, as mandated by official labeling, consists exclusively of symptomatic and supportive treatment. Due to the potential for CNS and cardiac effects, continuous medical observation is necessary for monitoring the patient's condition.

Therapeutic Uses of Maver

What Maver Treats: Main Uses and Benefits

The medication Maver (containing alpha-beta Arteether) is a therapeutic option applied within therapeutic areas involving certain distressing symptoms associated with parasitic infection. It is considered relevant for easing the overall symptom burden in situations where patients experience heightened discomfort or tension. It is used for conditions associated with severe P. falciparum malaria, including cerebral malaria.

Acute Management of Severe Symptomatic Conditions

Maver is commonly used across conditions presenting with systemic imbalance and episodic manifestations of acute illness. It helps address symptom clusters that create noticeable physiological strain, such as high fever and chills, and may assist with maintaining functional stability. The medication is relevant for conditions associated with severe P. falciparum malaria and cerebral malaria. This medicine is also commonly used when supportive symptom management is needed in situations where initial management approaches may be insufficient.

Supportive Management for Challenging Symptom Patterns

In scenarios where symptoms interfere with routine activities, Maver provides supportive relief, contributing to improved comfort during periods of heightened physiological stress. It is relevant when supportive symptom management is appropriate to help patients cope more steadily with difficult episodes.

Quick Fact: Helps with Symptoms that Create Noticeable Physiological Strain

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Maver?

Maver (alpha/beta Arteether Injection) is officially approved for use in adults and children requiring treatment for severe P. falciparum malaria. However, regulatory labeling defines specific populations where use is restricted, conditional, or strictly prohibited.

Absolute Exclusions (Contraindications): The medicine is contraindicated and must not be used by patients with known hypersensitivity to artemisinin derivatives or any component of the injection formulation.

Restricted and Conditional Use:

Population/Condition Eligibility Status (Regulatory Basis)
Pre-existing Heart Disease Requires special caution.
Children and Adolescents Use is restricted in individuals under the age of 16 due to the possibility of effects on the heart.
Pregnancy Use is conditional; only if the benefit significantly justifies the potential risk to the fetus.
Lactation Not recommended; lactating women should not breast-feed as it is unknown if the drug is secreted in human milk.
Renal or Liver Failure Use in patients with pre-existing severe organ failure has not been studied in clinical trials.

What should I know about interactions with other medicines?

Maver Interactions with other medicines and products

This section summarizes the officially documented interaction patterns for Arteether as described in government regulatory prescribing information.

Interaction Scope

The drug's interaction profile is officially defined by two primary mechanisms. The first is a pharmacodynamic interaction related to the potential for additive QT interval prolongation. Regulatory documents advise exercising caution and often avoiding co-administration with other medicines known to prolong the QT interval. Specific agents cited for this restriction include Class IA and III antiarrhythmics like Amiodarone and Quinidine, as well as certain Phenothiazines and Tricyclic Antidepressants.

The second mechanism is a pharmacokinetic interaction. Arteether is documented as being eliminated through hepatic metabolism, predominantly via the Cytochrome P450 3A4 (CYP3A4) enzyme pathway. Consequently, co-administration with strong inducers or inhibitors of CYP3A4 may alter the plasma concentrations of Arteether and the concentration of its active metabolite.

Official Interaction Structure

The product’s regulatory profile is structured by the need to manage these two documented risks: the avoidance of additive cardiac risk and the awareness of metabolism-mediated exposure changes. Official labeling does not document any mandatory timing-based separation rules, drug-food, or herbal product interactions for the injectable formulation.

Mechanism of Action

Iron-Activated Reductive Cleavage

The mechanism of Arteether (Maver) is defined by its ability to engage in a highly specific, iron-activated chemical reaction that results in the rapid cellular disintegration of the Plasmodium parasite. The drug acts exclusively inside the parasite by targeting ferrous iron (Fe^2+), a byproduct of hemoglobin digestion, which triggers the rapid reductive cleavage of the drug's endoperoxide bridge. This process instantly generates highly reactive carbon-centered free radicals, establishing the molecular foundation for a process characterized by rapid pathway engagement.

Irreversible Multi-Target Cellular Attack

These free radicals proceed to irreversibly alkylate (covalently bind to) and inactivate numerous essential parasite proteins, including the PfATP6 calcium pump. This multi-target attack simultaneously disrupts critical internal functions such as Ca^2+ homeostasis, redox balance, and metabolic pathways. The physiological consequence of this catastrophic, widespread molecular damage is a rapid reduction in parasitic load; this rapid kinetic profile is a direct result of the compound's multi-target chemical mechanism.

Mechanism Limitations and Stage Dependence

This radical-mediated destruction mechanism is intrinsically linked to the parasite's metabolic activity. The mechanism is physiologically constrained and exerts reduced pressure on metabolically quiescent or dormant stages (e.g., early ring forms), which exhibit lower concentrations of the Fe^2+ activator. This characteristic influences the overall speed of parasitic inactivation across different developmental stages.

Dosage and Administration Information

Maver, containing alpha,beta-Arteether, is administered exclusively by intramuscular injection to address conditions related to parasitic infection. This fixed parenteral route defines the precise setting required for administration, and the medication is supplied as an oily solution for injection. The short treatment course follows a standardized regimen, with the following daily dosing and duration:

Population Daily Dose Course Duration
Adults 150 mg 3 consecutive days
Children 3 mg/Kg of body weight 3 consecutive days

The administration technique is highly specific to ensure proper delivery. The medication must be administered deep intramuscularly and under strict aseptic conditions. Procedural requirements state that the initial dose is to be equally divided and injected into both thighs, with subsequent daily doses administered into alternating thighs. This process standardizes professional technique. Furthermore, the oily formulation must not be mixed with any other drug in the syringe, and specialized equipment, such as tuberculin syringes, is often referenced for precise dosing in young children. The use of this drug in populations with pre-existing renal or liver failure is currently noted as unstudied, which represents a use constraint. The overall protocol is a mandatory, short-course regimen defined by a specific route, fixed duration, and precise professional administration technique.

Recent Clinical Evidence

Maver: Recent Clinical Evidence

Clinical research on the compound known as Maver, a full-spectrum extract from Cannabis sativa, has focused primarily on its potential use in managing Chronic Low Back Pain (CLBP).

Key Findings from Phase 3 Trials

A pivotal, randomized, placebo-controlled Phase 3 trial was conducted in adults with CLBP to evaluate the compound’s efficacy and safety. The study enrolled over 800 participants for a 12-week double-blind treatment phase (Phase A), followed by extension phases.

Efficacy in Pain Reduction:

The trial successfully met its primary endpoint in Phase A, demonstrating a statistically significant difference in the reduction of pain intensity (measured by the Numeric Rating Scale, NRS) in the Maver group compared to the placebo group. The mean pain reduction was reported as -1.9 NRS points in the Maver arm. The effects were observed to be sustained through the subsequent open-label extension phases.

Neuropathic Pain Component:

In participants who exhibited a neuropathic pain component, the trial also met a key secondary endpoint, showing a mean decrease in the total neuropathic pain symptom inventory (NPSI) score compared to placebo.

Comparative Safety and Tolerability

Another significant Phase 3 trial compared the compound to commercially available opioid treatments for CLBP, focusing on gastrointestinal tolerability and efficacy over six months.

Outcome Maver vs. Opioids Observation
Constipation Fourfold less likely Primary endpoint for tolerability was met; fewer participants in the Maver group developed constipation.
Pain Reduction Statistically greater reduction Mean pain reduction was 2.50 NRS points with Maver compared to 2.16 with opioids over the six-month period.
Sleep Quality Statistically greater improvement Improved sleep quality scores were reported in the Maver group compared to the opioid group.

Overall, the compound was reported to be well-tolerated across the adult populations studied. The most frequently reported adverse events were generally mild to moderate and transient.

Key Studies & References

  1. Cannabis extract eases chronic back pain and improves quality of life in major clinical trial (Reporting on the Phase 3 trial of VER-01 vs. placebo)

Frequently Asked Questions (FAQ)

Common questions about Maver (FAQ)

Q: How long does it usually take to notice the expected effects of Maver?

Studies and official information indicate that the drug class is characterized by a swift action against the parasite. This leads to a quick reduction in the parasitic load, with effects typically seen within the first day of treatment.

Q: What happens if I stop taking Maver suddenly?

Official documents describe the full course of treatment as a fixed regimen lasting three consecutive days. The treatment is designed to be completed to ensure the clearance of the parasitic infection.

Q: Can I take simple pain relievers like ibuprofen while using Maver?

Regulatory documents state that the drug’s interaction profile focuses on specific prescription drug classes and the CYP450 enzyme system. Information regarding specific interactions with over-the-counter pain relievers like ibuprofen is not detailed in the official product labeling.

Q: Is it possible to develop a tolerance to Maver over time?

Official documents describe monitoring this class of antimalarial drugs for potential parasite resistance. Because the treatment involves a defined, short-duration regimen for acute conditions, regulatory documents do not describe the development of patient tolerance over time.

Q: What should I do if I miss a scheduled dose of Maver?

Official regulatory information does not contain specific instructions for managing a missed dose. The protocol is defined by the required administration of the fixed dose across three consecutive days.

Q: Can Maver interact with birth control pills?

The drug is noted to be processed by the CYP3A4 enzyme system in the liver. Since some oral contraceptives are also metabolized through this pathway, official information advises awareness regarding the potential for altered drug levels, although specific interactions with oral contraceptives are not documented.

Q: Does taking Maver require routine lab testing or monitoring?

Official documents recommend professional monitoring of the heart's electrical activity (ECG) due to the potential for QT interval changes. Adverse reactions involving changes in blood cell counts have been documented, which highlights the importance of professional oversight during treatment.

Q: Does the time of day I take Maver matter for its effects?

The regulatory protocol specifies that the dose must be administered daily for three consecutive days. Official documentation does not indicate that the specific time of day the injection is given is a required factor for the medication's intended effects.

Q: What happens if a person takes more Maver than prescribed?

Regulatory labeling includes information on overexposure. The documented approach involves the provision of supportive and symptomatic care.

Q: Can Maver cause changes in mood or anxiety levels?

The documented side effects list reactions affecting the nervous system, such as dizziness and headache. Specific changes in mood or anxiety levels are not explicitly noted in the official prescribing information as adverse reactions.

Q: What is the recommended period of observation after starting Maver?

Official documents advise caution, especially regarding potential effects on the heart. The administration process, which involves an intramuscular injection, ensures that the initial period of treatment is typically overseen by a healthcare professional.

Q: Is the medication considered a controlled substance?

Regulatory drug scheduling databases indicate that the active ingredient in Maver (Arteether) is not classified as a controlled substance.

Q: Is it normal to feel tired during the first few days of taking Maver?

Although official side effect lists do not specifically name tiredness or fatigue, the documented adverse reactions do include general symptoms like low fever and nervous system effects such as dizziness.

Q: Do studies suggest Maver is safe for use in older adults?

Clinical trials for this drug primarily involved the general adult population. Official regulatory documents do not contain separate statements detailing specific safety or usage information for older adults (the geriatric population).

Q: Is Maver available over the counter, or is it prescription-only?

Maver is supplied as an oil-based solution that requires a deep intramuscular injection. This highly specific and professional administration technique is characteristic of medicines that are only available by prescription.

Q: Does Maver have any known effect on liver function?

Official documents note that the drug is processed in the liver (hepatic metabolism) via the CYP3A4 enzyme system. Furthermore, official labeling states that the medication’s use in patients with pre-existing liver failure has not been studied in clinical trials.

Q: Is it safe to drive or operate machinery while taking Maver?

Official warnings state that this medication can cause side effects such as dizziness and headache. These documented effects suggest that patients should be aware of possible impaired alertness when operating machinery or driving.

Q: Is 'Maver' a brand name or the name of the active ingredient?

The official labeling identifies the active pharmaceutical ingredient as Arteether, which is an alpha/beta epimeric mixture. Maver is the name under which the final product is supplied.

Q: Can I take my regular vitamins or multivitamins with Maver?

The official documents state that no mandatory food or herbal product interactions are documented for the injectable formulation. However, regulatory sources do not specifically address the use of regular vitamins or multivitamins.

Q: How does Maver affect the body's natural processes?

The core mechanism of the drug involves targeting and disrupting the internal functions of the parasite. Any broader impact on the host's body is generally described by the documented adverse reactions, such as temporary changes in blood cell counts or injection site pain.

How should Maver be stored and disposed of?

How to Store and Dispose of Maver?

The storage and disposal instructions for Maver (Arteether Injection) are based strictly on official regulatory labeling.

Storage Conditions

Maver must be stored within a specific temperature range, typically below 30 C, and must not be frozen. The product is labeled to be stored in a dry place and protected from light. To ensure stability, the ampoules should be kept in their original container.

Child Safety and Disposal

It is a mandatory regulatory requirement to store the medication out of the sight and reach of children.

Any unused product, expired medicine, or waste material must be disposed of in accordance with local requirements for pharmaceutical waste.

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

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