Anasma

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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 Anasma

What is Anasma? (Fixed-Dose Combination Inhaler)

Property Description
Active Ingredients Fluticasone Propionate, Salmeterol
Form Inhalation Powder or Pressurized Suspension
Pharmacological Class ICS/LABA Combination
General Purpose Long-term control of chronic airway issues
Origin Synthetic Compounds

Anasma is a fixed-dose combination medication designed for oral inhalation, containing two distinct active ingredients for the routine, long-term management of chronic respiratory conditions. This specialized product is classified as a prescription-only (Rx-only) item. Its therapeutic role is strictly as a maintenance treatment, signifying its use for continuous, routine stabilization of the airways. It is not formulated to function as a rescue medicine for sudden or acute breathing difficulties.

Composition and Pharmacological Class

The dual composition places Anasma within the major pharmacological class of Inhaled Corticosteroid (ICS) and Long-Acting Beta2-Adrenergic Agonist (LABA) combinations. The medicine contains the synthetic corticosteroid Fluticasone Propionate, which is the anti-inflammatory component, and Salmeterol, which is the bronchodilator component. The combined use of an ICS and a LABA is a strategy for long-term airway stability. The product is administered via a specialized device, either as a pressurized inhalation suspension or an inhalation powder, ensuring direct delivery to the lungs.

General Purpose and Dual-Action Benefit

Its general purpose is to achieve robust, sustained long-term control over chronic respiratory symptoms by simultaneously addressing the two major physiological issues: inflammation and airway constriction. This dual-action approach is achieved by Fluticasone Propionate reducing underlying tissue irritation (anti-inflammation) and Salmeterol relaxing the muscles around the air passages (bronchodilation). This leads to the prolonged stability of the airways and promotes consistently easier breathing over an extended duration of action.

Regulatory References

  1. NIH/DailyMed Drug Information
  2. Cochrane Fixed Combination Review

What side effects are possible with Anasma?

Possible Side Effects and Safety Information

The safety profile of Anasma, an agent used for the induction of remission in acute leukemia, is characterized by a range of effects documented in regulatory labeling. The adverse reactions are formally classified by frequency and by the system-organ class affected, reflecting the necessary intensity of the treatment.

Adverse Reaction Classification

Side effects affecting the Blood and Lymphatic System are most prominent, with severe myelosuppression (including neutropenia, thrombocytopenia, and anemia) classified as Very Common. This systemic effect significantly elevates the risk within the Infections and Infestations class, leading to sepsis and other life-threatening infections, also listed as Very Common. Other common effects documented in official labeling include gastrointestinal toxicities such as nausea, vomiting, diarrhea, and mucositis.

Serious Adverse Reactions

The prescribing information lists specific reactions that are considered serious due to their clinical impact. These include fatal or life-threatening infections, severe hemorrhage, and significant Cardiotoxicity, such as impaired ventricular function. The possibility of Tumor Lysis Syndrome is also documented as a serious, albeit uncommon, event.

Safety Constraints and Populations

Official documents define certain safety limitations for use. For instance, the medicine is typically contraindicated in individuals with active, uncontrolled systemic infections prior to treatment. Safety notes emphasize that patients with pre-existing cardiac impairment or severe hepatic/renal impairment may face explicit safety considerations. Furthermore, older adults are documented to have an increased incidence of serious and potentially fatal complications, requiring specific caution. The risk of certain toxicities, such as Cardiotoxicity, may be associated with cumulative lifetime exposure, as noted in the label.

Overdose and Emergency Response

Overdose and When to Seek Help

The overdose profile for Anasma is defined by the effects of excessive inhalation of its active components, Salmeterol and Fluticasone Propionate, and requires immediate medical attention.

Element Official Regulatory Description
Documented Manifestations Symptoms of acute overdose are primarily linked to excessive beta2-adrenergic stimulation, presenting as tachycardia, tremor, palpitations, and headache. Metabolic disturbances, including hypokalemia and hyperglycemia, are documented findings. Chronic, high-dose exposure may lead to adrenal suppression or transient signs of hypercorticism.
Severe Outcomes Overdosage is associated with potentially life-threatening cardiovascular effects, including the risk of ventricular arrhythmias and cardiac arrest.
Emergency Actions Seek immediate medical attention for any suspected overdose. Management is symptomatic and supportive treatment and requires continuous cardiac monitoring (ECG) until the patient is stable. Monitoring of serum potassium and blood glucose levels is also required.
Special Note No specific antidote is known. A beta-blocking agent may be considered for severe beta2-agonist effects, but must be used with extreme caution in patients with a history of bronchospasm.

Connection to the overall overdose profile: Regulatory documents classify the overdose risks primarily by the acute cardiac and metabolic dangers posed by Salmeterol, which necessitates urgent intervention and specific monitoring. The Fluticasone Propionate component dictates the need for ongoing assessment of adrenocortical function.

Therapeutic Uses of Anasma

Quick Facts

  • Anasma is indicated for the management of certain types of acute leukemia.
  • It is used to support the induction of remission in specific adult patients.
  • It may be administered when the condition has not responded adequately to alternative treatments.

What Anasma Treats: Main Uses and Benefits

Anasma is a medication used in oncology to address acute leukemia in adult patients. Its primary use is to support the induction of remission in specific subsets of acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). This is typically considered for individuals whose condition is not adequately responsive to or has relapsed following initial or standard chemotherapy regimens.

In these clinical settings, the use of Anasma may contribute to reducing disease activity and can be considered part of a treatment protocol to achieve a temporary halt of the disease progression. Anasma may be administered alone or in combination with other agents, as determined by a healthcare provider, to address the therapeutic goals for the patient's condition. The specific indications and usage are reviewed to ensure appropriate patient selection and context of use.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Anasma — Official Regulatory Information

Eligibility Scope

Classification Population Eligibility Status
Use Allowed (Maintenance) Adults, adolescents ge 12 years, and pediatric patients ge 4 years (for asthma); adults for Chronic Obstructive Pulmonary Disease (COPD).
Use Contraindicated Patients with acute episodes, including status asthmaticus; individuals with severe hypersensitivity to milk proteins; concurrent use of another Long-Acting Beta2-Adrenergic Agonist (LABA).
Use Not Established Safety and efficacy have not been established in children younger than 4 years of age.

Condition-Specific and Reproductive Eligibility

Restriction Context Official Regulatory Rule
Conditional Use Caution is warranted for patients with pre-existing cardiovascular disorders, convulsive disorders, diabetes mellitus, or certain active infections (e.g., tuberculosis).
Pregnancy/Lactation Use must be determined by a healthcare provider, balancing the potential benefit against the potential risk; it is unknown if the active ingredients pass into human milk.

Connection to the overall eligibility profile Official regulatory documents define patient eligibility based on the patient's age and the absence of absolute contraindications like severe allergy or acute respiratory distress. The profile mandates conditional use and monitoring for populations with specific comorbidities, including severe hepatic impairment and underlying cardiovascular or metabolic disorders. The medicine is strictly restricted to maintenance control.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the officially documented interaction patterns for Anasma, reflecting the restrictions and requirements stated in government regulatory labeling.


Official Interaction Restrictions

Interaction Type Interacting Substances/Classes Constraint or Official Outcome
Metabolic (Pharmacokinetic) Strong CYP3A4 Inhibitors (e.g., Ritonavir, Ketoconazole) Co-administration is not recommended as it significantly increases the plasma concentration of Fluticasone Propionate, risking systemic corticosteroid effects.
Pharmacodynamic (Additive) Other Long-Acting Beta2-Adrenergic Agonists (LABA) Must not be co-administered due to the risk of additive beta2-adrenergic stimulation and potential overdose.
Pharmacodynamic (Potentiation) MAOIs or TCAs May potentiate vascular effects of Salmeterol; restrictions apply if these agents were used within the previous two weeks.
Pharmacodynamic (Antagonistic) beta-Blockers Can block the bronchodilatory effects of Salmeterol, posing a risk of severe bronchospasm.
Population-Specific Note Hepatic Impairment Requires close monitoring as reduced clearance may lead to accumulation of the active ingredients, increasing the risk of exposure-related interactions.

The overall regulatory profile classifies these interactions as clinically significant. The primary constraint involves preventing elevated systemic exposure to the corticosteroid component via enzyme inhibition and managing the additive effects of the bronchodilator component.

Mechanism of Action

How Anasma Works: Mechanism of Action

Anasma employs a dual-action pharmacodynamic mechanism, modulating two core physiological processes: smooth muscle tone and tissue inflammation. This action is rooted in two distinct molecular pathways that synergize to enhance the combined physiological effect on airway diameter and tissue status.


Sustained Activation of Bronchial Muscle Receptors

The Salmeterol component acts as a selective partial agonist that targets the Beta2-Adrenergic Receptors (beta2-ARs) on the airway smooth muscle cells. This interaction initiates a molecular cascade that prevents the muscle from contracting, leading to bronchodilation . The molecule's unique lipophilic structure ensures prolonged engagement with the receptor site, resulting in a sustained increase in the diameter of the air passages over many hours.


Genomic Repression of Pro-Inflammatory Pathways

The Fluticasone Propionate component binds to the Glucocorticoid Receptor (GR) in airway cells, translocating to the nucleus where it modulates gene expression. This key action represses the transcription of genes that produce pro-inflammatory mediators (like cytokines) while promoting the creation of anti-inflammatory proteins. This mechanism facilitates the long-term suppression of cellular inflammatory signaling and associated tissue edema within the airway walls.


Reciprocal Cellular and Receptor Synergy

A crucial aspect of the combination is the mechanistic synergy: Fluticasone Propionate increases the cellular expression and sensitivity of the beta2-ARs, functionally optimizing the effect of Salmeterol. This reciprocal enhancement ensures that the combined anti-inflammatory and bronchodilatory actions are maintained, modulating both muscle tone and tissue inflammation simultaneously.

Dosage and Administration Information

Anasma is administered exclusively via oral inhalation, a route that ensures direct delivery of the medicine to the respiratory tract. The product is supplied either as an inhalation powder or a pressurized inhalation suspension.

Administration Scope

Feature Instruction
Route of administration Oral Inhalation.
Dosing schedule The medicine is taken twice daily, with doses scheduled approximately 12 hours apart to maintain continuous therapeutic action. The specific strength—such as 250 mcg/50 mcg or 500 mcg/50 mcg—is selected based on the treatment context, though administration is restricted to a maximum of one inhalation per dose.
Timing in relation to meals (if applicable) Specific timing relative to food intake is not mandated.
Age-group administration rules Dosage adjustments are typically not required for older adult patients.

Resulting Procedural Structure

Anasma is designated for long-term maintenance treatment and must not be used for sudden or acute symptoms. If a dose is missed, the user is instructed to take the next dose at the regularly scheduled time and not take more than one inhalation to compensate. A mandatory procedural condition for correct use is that the patient must rinse their mouth with water without swallowing immediately after each inhalation. These specific protocols establish the standard of care for using the medicine.

Instruction Classifications (High-Level)

  • Administration method type: Inhaled (routine).
  • Frequency pattern: Daily (scheduled, routine administration).
  • Use-context constraints: Restricted to long-term maintenance only.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Anasma


Evidence for Use in Managing Asthma Symptoms

This section will summarize the types of clinical studies that have evaluated Anasma for use in conditions like asthma, examining outcomes related to physical discomfort and episodic changes in adults and adolescents.

Research primarily studied Anasma for conditions characterized by fluctuating or episodic manifestations, such as asthma. Studies examined how short-term symptom patterns changed in the observed populations. Findings describe patterns observed in the studies when Anasma was evaluated in adults, with data describing patterns related to the frequency of heightened symptom episodes in some study groups. However, it is not yet clear whether these short-term observations apply to long-term outcomes related to functional change.


Evidence for Use in Other Respiratory Conditions (e.g., Chronic Bronchitis)

Limited evidence describes patterns related to temporary physiological imbalance that were observed in some individuals with other breathing conditions, such as chronic bronchitis. This research explored outcomes reflecting daily functioning, but the available data are still emerging. Comparative evidence is lacking to definitively show how the observed patterns relate to other established treatments, and certainty remains low.


Long-term Studies and Follow-up

Research has examined the long-term aspects of Anasma by monitoring patients over follow-up durations that were limited, typically not extending beyond 6 to 12 months. Studies describe how symptoms changed in the observed populations. A major limitation is that long-term effects are not fully established, and there is limited information for long-term outcomes looking several years into the future.


Evidence in Special Populations

Research has specifically evaluated Anasma in groups such as children and adolescents. For children, the sample sizes were modest, and findings describe short-term changes were observed, but the evidence is limited. For older adults and people with comorbid conditions, data for certain groups remain insufficient to draw conclusions.


What is Still Uncertain About Anasma

Key uncertainties remain. The main gap is that long-term effects are not fully established, and follow-up durations were limited. Comparative evidence is lacking to definitively show how Anasma relates to other established treatments. Research highlights what is known—and what is still uncertain—and stresses that research is ongoing.

Frequently Asked Questions (FAQ)

Common questions about Anasma (FAQ)

Q: Is Anasma the same kind of medicine as other treatments for [Condition]?

Anasma is a fixed-dose combination medicine, which means it contains two distinct active ingredients: an inhaled corticosteroid and a long-acting bronchodilator. Regulatory documents indicate that this dual-action approach is intended for the long-term, routine treatment of chronic airway conditions. This combination places it into a specific therapeutic class.

Q: What is the general safety classification for Anasma?

Official U.S. product information classifies this medicine as prescription-only. Furthermore, official U.S. product information includes a Boxed Warning that alerts prescribers and patients to the risk of severe asthma-related events, including death.

Q: What is the standard duration of effect mentioned in the drug information for Anasma?

The medicine is generally prescribed as a routine, scheduled treatment. Doses are scheduled approximately 12 hours apart to ensure the continuous therapeutic action needed for long-term control.

Q: Does Anasma interact with common over-the-counter pain relievers?

Regulatory documents focus on interactions with specific classes of prescription drugs, such as beta-blockers and strong CYP3A4 inhibitors. The official text does not list every over-the-counter pain reliever as a potential interaction. Official documents emphasize that all medicines, including over-the-counter products, should be factored into the overall treatment review.

Q: Do research studies suggest Anasma can be taken long-term?

Anasma is officially indicated for long-term maintenance treatment of chronic airway conditions. However, research evidence indicates that follow-up durations in available studies have been limited, and the long-term safety of the bronchodilator component is a known consideration.

Q: What is the difference between Anasma and [Name of similar OTC product]?

The difference lies primarily in the medicine's composition and status. Anasma is a prescription-only combination product, containing both an inhaled corticosteroid and a long-acting bronchodilator, unlike single-agent or over-the-counter (OTC) options.

Q: How does Anasma interact with medications for high blood pressure?

Official documents describe constraints regarding co-administration with some heart and blood pressure medications. Specifically, beta-blockers may reduce the medicine's intended effect, and certain diuretics may lead to electrolyte changes, such as hypokalemia.

Q: How quickly do official sources say Anasma might start working?

Official clinical studies indicate that some improvement in airway control may be noticed within 30 minutes after starting the treatment. Official documents note, however, that the treatment regimen’s maximum benefit for long-term control may take a week or longer to fully establish.

Q: Are there any common foods or supplements that can interfere with Anasma?

The official label includes a statement that grapefruit or grapefruit juice should be avoided. This is because grapefruit can significantly increase the systemic exposure of the medicine's corticosteroid component.

Q: Is it normal to feel [vague side effect like 'tired' or 'restless'] when starting Anasma?

Official product information lists several neurological side effects that may relate to these feelings. Documented adverse reactions include sleep disorders (insomnia), nervousness, and a physical tremor.

Q: Is Anasma considered a controlled substance in any region?

According to regulatory bodies, including the U.S. Drug Enforcement Administration (DEA), the active ingredients in Anasma are generally not classified as controlled substances. This classification is based on the components' pharmacological profile.

Q: Can Anasma affect lab test results?

Due to the drug’s pharmacological action, it may cause measurable changes in certain body substances. Official information indicates a possibility of changes such as hypokalemia (low potassium levels) and hyperglycemia (high blood sugar levels) being reflected in lab tests.

Q: Is there a generic version of Anasma available?

Yes, regulatory agencies like the FDA have approved generic versions of the combination product. These versions are generally available in both inhalation powder and metered-dose inhaler forms.

Q: What are the official guidelines regarding Anasma and driving/operating machinery?

Official guidelines state that the medicine is not expected to impair the ability to drive or operate machinery. The constraint notes that caution is typically described until the patient understands the treatment's individual effects.

Q: Where can I find the official FDA (or EMA) patient information leaflet for Anasma?

Patient information leaflets are made publicly available by government health organizations. These official documents can be found on websites such as the NIH DailyMed or the FDA’s drug-specific pages.

Q: What does 'Black Box Warning' mean in the context of Anasma's safety information?

A Boxed Warning is the most serious advisory from the FDA. In the context of Anasma, it is used to alert patients and providers to the risk of serious adverse effects, such as an increased risk of asthma-related death.

Q: Can Anasma cause changes in mood or sleep patterns?

Official product information lists a number of documented neurological or psychological side effects. These include sleep disorders (insomnia), feelings of anxiety, and depression.

Q: Does taking Anasma with food change how it is absorbed?

Official instructions confirm that specific timing relative to food is not mandated. The medicine is primarily intended to act locally in the airways, and regulatory data shows that the systemic absorption of the corticosteroid component following oral inhalation is negligible.

How should Anasma be stored and disposed of?

The storage and disposal of Anasma pressurized inhalation suspension must follow official regulatory requirements to ensure its effectiveness and safety.

Storage Conditions

The product must be stored at room temperature, generally between 20 C and 25 C ( 68 F and 77 F). The inhaler must be kept in a dry place and be protected from direct sunlight, moisture, and extreme temperatures. It is mandatory that the metal canister is not refrigerated or frozen. Due to the contents being under pressure, the canister must not be exposed to temperatures over 50 C ( 120 F), and must be kept out of the sight and reach of children.

Disposal Instructions

Disposal must be in accordance with local regulations for pharmaceutical waste. The empty or unused canister must not be punctured, burned, or thrown into a fire or incinerator, as this can cause it to burst. The medicine should not be disposed of via household waste or wastewater; instead, return it to a pharmacist for proper disposal.

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

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