ARTVIGIL 150

What is ARTVIGIL 150?

ARTVIGIL 150 is a modern pharmaceutical drug from the pharmacological group of nootropics and psychostimulants, which is used to correct conditions associated with excessive daytime sleepiness and cognitive impairment. The main active substance of the drug is armodafinil — an enantiomerically pure form of modafinil, which provides a longer and more stable therapeutic effect compared to its predecessors. The manufacturer of ARTVIGIL 150 is the Indian pharmaceutical company HAB Pharmaceuticals, which specializes in the production of high-quality generics and innovative drugs. The product belongs to the ASSURANS category, which unites medicines with proven bioequivalence to original molecules. The drug is available in the form of tablets for oral administration, each containing 150 mg of armodafinil.

ARTVIGIL 150 belongs to a class of drugs that promote increased wakefulness and improved concentration without a pronounced sympathomimetic load on the cardiovascular system. Unlike classic amphetamine-type psychostimulants, armodafinil has a fundamentally different mechanism of action, which reduces the risk of developing addiction and withdrawal syndrome. The drug acts selectively on certain areas of the hypothalamus responsible for regulating the sleep-wake cycle, which provides a more physiological restoration of cognitive activity. The therapeutic effect of ARTVIGIL 150 develops gradually, reaching peak blood plasma concentration approximately two hours after administration. The duration of action of a single dose ranges from twelve to fifteen hours, which allows taking the drug once a day.

The pharmaceutical company HAB Pharmaceuticals has established itself as a reliable manufacturer that complies with international GMP quality standards and conducts multi-stage control of each batch of products. The ASSURANS line, which includes ARTVIGIL 150, is designed to provide patients with affordable and effective analogues of expensive original drugs. Each ARTVIGIL 150 tablet has a stable pharmacokinetic profile, which guarantees the predictability of the therapeutic response. The drug is available by prescription only, as it requires a preliminary examination and exclusion of contraindications. Before starting ARTVIGIL 150, it is mandatory to consult a doctor to determine the appropriateness and safety of therapy.

What is ARTVIGIL 150 prescribed for?

The main indication for the use of ARTVIGIL 150 is narcolepsy — a chronic neurological disorder characterized by uncontrollable attacks of sleep during the day and sudden loss of muscle tone. The drug helps patients with this diagnosis maintain an adequate level of wakefulness during the active part of the day, which significantly improves quality of life and social adaptation. Armodafinil affects the dopaminergic and noradrenergic systems of the brain, increasing the sleepiness threshold and stabilizing circadian rhythms. Clinical studies demonstrate a significant reduction in the frequency of daytime sleepiness episodes after the first week of regular ARTVIGIL 150 use.

The second important indication is obstructive sleep apnea syndrome, in which patients suffer from chronic fatigue and daytime sleepiness due to repeated breathing pauses during nighttime sleep. ARTVIGIL 150 is used as an adjunct in the complex therapy of this condition when the main treatment with CPAP therapy does not fully eliminate the symptoms of excessive sleepiness. The drug allows patients to stay alert and productive throughout the day without affecting the quality of night sleep. It is important to understand that ARTVIGIL 150 does not treat apnea itself, but only corrects its consequences in the form of daytime hypersomnia.

ARTVIGIL 150 is also prescribed for shift work sleep disorder, when a person's professional activity involves night shifts or frequent flights across several time zones. The drug helps adapt the body to a shifted sleep-wake schedule, reducing feelings of exhaustion and improving cognitive performance. In some cases, a doctor may recommend ARTVIGIL 150 off-label to correct severe asthenia, chronic fatigue syndrome, and cognitive impairments accompanying depressive disorders. The decision on such use is made strictly individually, taking into account all risks and potential benefits for a particular patient.

Composition and active components of ARTVIGIL 150

The main active substance of ARTVIGIL 150 is armodafinil at a dosage of 150 mg per tablet. Armodafinil is the R-enantiomer of modafinil, which means higher binding selectivity to dopamine transporters and a longer elimination half-life from the body. This molecular feature provides a more stable concentration of the drug in the blood during the day and reduces fluctuations in the therapeutic effect. The mechanism of action of armodafinil is to inhibit dopamine reuptake in the synaptic cleft, which increases the availability of this neurotransmitter for postsynaptic receptors. Additionally, the drug modulates the activity of the hypothalamic orexin system, which plays a key role in maintaining wakefulness.

Auxiliary components of ARTVIGIL 150 include microcrystalline cellulose, lactose monohydrate, pregelatinized starch, povidone, croscarmellose sodium, and magnesium stearate. Each of these components performs a specific function in tablet formulation, ensuring proper mechanical strength, disintegration rate, and bioavailability of the active substance. Lactose monohydrate acts as a filler, giving the tablet the necessary mass and volume, while croscarmellose sodium promotes rapid tablet disintegration in the gastrointestinal tract. Magnesium stearate is used as a lubricating agent to prevent the powder mixture from sticking to pressing equipment during manufacturing.

The pharmacokinetic profile of armodafinil is characterized by rapid absorption after oral administration, reaching peak plasma concentration in two hours. The elimination half-life is approximately fifteen hours, allowing therapeutic concentrations to be maintained throughout the day after a single morning dose. Metabolism of the drug occurs predominantly in the liver with the participation of cytochrome P450 system enzymes, particularly the CYP3A4 isoenzyme. Excretion of metabolites is carried out mainly through the kidneys, which requires caution when prescribing to patients with impaired excretory function.

Dosage of ARTVIGIL 150

The standard recommended dose of ARTVIGIL 150 for adult patients is 150 mg once daily, preferably in the morning or one to two hours before starting a work shift. For patients with narcolepsy and obstructive sleep apnea syndrome, the drug is taken in the morning, which allows maintaining an optimal level of wakefulness throughout the day. In cases of insufficient therapeutic response, the doctor may consider increasing the dose up to 250 mg per day; however, such a decision is made strictly individually after evaluating the tolerability of the drug. The maximum daily dose should not exceed 250 mg, as a further increase is not accompanied by a proportional enhancement of the effect, but increases the risk of side effects.

For patients with shift work sleep disorder, ARTVIGIL 150 is taken one hour before the start of the night shift, which provides maximum concentration of the drug during the period of greatest need for alertness. The duration of the treatment course is determined by the doctor depending on the nature of the underlying disease and the patient's individual response to therapy. In narcolepsy and sleep apnea, the drug can be prescribed for a long period with regular monitoring of the patient's condition and assessment of the need to continue treatment. For situational use during time zone changes or episodic night shifts, short-term intake of ARTVIGIL 150 for several days is possible.

Elderly patients and individuals with impaired liver function may require a downward adjustment of the ARTVIGIL 150 dose. In severe renal failure, a 50% dose reduction or an increase in the interval between doses is recommended, as the elimination of drug metabolites slows down. Any change in dosage should be carried out only after agreement with a doctor, who takes into account all the individual characteristics of the patient. Self-adjustment of the dose can lead to insufficient effectiveness of therapy or the development of undesirable side effects.

How to take ARTVIGIL 150 correctly?

ARTVIGIL 150 is taken orally with a sufficient amount of water, regardless of food intake. However, it should be noted that taking the drug with fatty food can slow down the absorption rate of armodafinil and delay the onset of the therapeutic effect by approximately one to two hours. To achieve maximum effectiveness, it is recommended to take ARTVIGIL 150 on an empty stomach or two hours after a light breakfast. The tablet should not be chewed, crushed, or divided into parts, as this may disrupt the integrity of the dosage form and affect the release rate of the active substance.

If a regular dose of ARTVIGIL 150 is missed, the patient should take the drug as soon as possible if more than eight hours remain before the next scheduled dose. If the missed dose is discovered later, it is better to skip it and return to the normal dosing schedule to avoid disrupting night sleep. It is strictly not recommended to double the dose to compensate for a missed one, as this can cause an overdose and pronounced side effects. Taking ARTVIGIL 150 in the afternoon or evening can lead to insomnia and disruption of circadian rhythms, so the drug should only be taken in the morning hours or before starting a night shift.

During the course of ARTVIGIL 150 treatment, it is important to maintain a regular sleep schedule and not use the drug as a substitute for adequate rest. Patients should avoid consuming caffeine-containing beverages in large quantities, as this can enhance the stimulating effect of the drug and provoke tachycardia, anxiety, or tremors. If any unusual symptoms appear or well-being worsens, it is necessary to immediately consult a doctor to review the therapy scheme. The body's individual response to ARTVIGIL 150 may vary depending on age, sex, body weight, and concomitant diseases of the patient.

Side effects of ARTVIGIL 150

The most common side effects of ARTVIGIL 150 observed in more than five percent of patients are headache, nausea, decreased appetite, and insomnia. Headache usually occurs at the beginning of therapy and tends to decrease in intensity after the first week of regular drug intake. Nausea is most often associated with taking ARTVIGIL 150 on an empty stomach, so patients with a sensitive stomach are recommended to take the tablet after a light snack. Insomnia develops mainly in cases where the drug is taken later than the recommended time or in a dose exceeding the body's individual need.

Less common adverse reactions of ARTVIGIL 150 include anxiety, dizziness, dry mouth, diarrhea, and palpitations. Some patients may experience an increase in blood pressure, which requires regular monitoring of hemodynamic parameters during the course of treatment. Rare but serious side effects are allergic reactions, including skin rash, hives, angioedema, and in rare cases, Stevens-Johnson syndrome. If any signs of an allergic reaction appear, ARTVIGIL 150 should be discontinued immediately and medical help should be sought.

Patients should be aware that ARTVIGIL 150 can affect mental state, causing irritability, emotional lability, or, in rare cases, depressive episodes and suicidal thoughts. Particular attention is required for patients with a burdened psychiatric history, to whom the drug is prescribed with caution and under close medical supervision. If any unusual changes in mood, behavior, or thinking occur, it is necessary to urgently inform the doctor to evaluate the appropriateness of continuing therapy. Most side effects of ARTVIGIL 150 are dose-dependent and disappear after dose adjustment or discontinuation of the drug.

Contraindications of ARTVIGIL 150

An absolute contraindication to the use of ARTVIGIL 150 is hypersensitivity to armodafinil, modafinil, or any auxiliary component of the drug. Patients with a known lactose allergy should take into account that the tablets contain lactose monohydrate, so in case of intolerance to this component, the drug is not prescribed. ARTVIGIL 150 is contraindicated in patients with severe arterial hypertension that is not controlled medically, as the drug can cause an additional increase in blood pressure. Also, the drug is not used in severe heart rhythm disorders, in particular ventricular arrhythmias and unstable angina.

ARTVIGIL 150 is not prescribed to patients with a history of psychotic disorders, as the stimulating effect of the drug can trigger an exacerbation of psychotic symptoms. The drug is used with caution in anxiety disorders, bipolar affective disorder, and depression, requiring a careful assessment of the benefit-risk ratio. In patients with severe hepatic impairment, ARTVIGIL 150 is prescribed only in reduced doses under the monitoring of liver function. In severe renal failure, dosage adjustment is also required due to delayed elimination of drug metabolites.

The use of ARTVIGIL 150 during pregnancy is not recommended, as there are insufficient data on the safety of the drug for the fetus. Women of childbearing potential should use reliable methods of contraception during the course of treatment, as armodafinil can reduce the effectiveness of hormonal contraceptives. The drug is not prescribed to children and adolescents under eighteen years of age due to the lack of clinical data on safety and efficacy in this age group. In elderly patients, ARTVIGIL 150 is prescribed with caution, as sensitivity to psychostimulants increases with age and the risk of adverse reactions rises.

Interaction of ARTVIGIL 150 with other drugs and alcohol

ARTVIGIL 150 can enter into clinically significant interactions with a number of medications, which requires mandatory informing of the doctor about all drugs taken by the patient. Armodafinil is an inducer of the CYP3A4 enzyme, so it can accelerate metabolism and reduce the effectiveness of hormonal contraceptives, cyclosporine, midazolam, and certain antiretroviral drugs. Concomitant use of ARTVIGIL 150 with warfarin requires regular monitoring of the international normalized ratio, as a decrease in the anticoagulant effect is possible. The drug can enhance the effect of other central nervous system stimulants, particularly methylphenidate and caffeine, which increases the risk of tachycardia and anxiety.

Alcohol consumption during the course of ARTVIGIL 150 treatment is not recommended, as ethanol can enhance the side effects of the drug on the nervous system and mask signs of alcohol intoxication. Patients should take into account that ARTVIGIL 150 can affect the speed of psychomotor reactions and the ability to concentrate, so during therapy one should refrain from driving vehicles and working with potentially dangerous machinery until individual reaction to the drug is established. Combination of ARTVIGIL 150 with drugs that prolong the QT interval requires special caution, as additive prolongation of this parameter and an increased risk of ventricular arrhythmias are possible.

Where to buy ARTVIGIL 150 in Ukraine

ARTVIGIL 150 is available for purchase in pharmacy chains of Ukraine with a prescription from a doctor, as the drug belongs to the category of prescription medicines. Patients can also use the services of online pharmacies that deliver medications upon prescription confirmation. When buying ARTVIGIL 150, it is important to pay attention to the integrity of the packaging, expiration date, and the presence of protective elements confirming the originality of HAB Pharmaceuticals products. The drug should be stored in a dry place, protected from light, at a temperature not exceeding twenty-five degrees Celsius, out of reach of children.

The shelf life of ARTVIGIL 150 is twenty-four months from the date of manufacture indicated on the package. After the expiration date, the use of the drug is strictly prohibited, as it can be dangerous to health. Before starting therapy with ARTVIGIL 150, the patient must consult a doctor to determine the correct dosage and rule out possible contraindications. The body's individual response to the drug may vary, so self-medication with ARTVIGIL 150 is unacceptable and can lead to serious health consequences.