Cortynase

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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 Cortynase

Cortynase is a single-ingredient medicine containing the potent synthetic active substance Mometasone Furoate. This compound is classified pharmacologically as a Glucocorticoid—a type of corticosteroid—primarily used for its strong localized anti-inflammatory and anti-allergic properties. Mometasone Furoate is clinically recognized for its high receptor affinity, meaning it is specifically effective at binding to the target receptors in the body's cells.


Quick Facts: Cortynase Identity

Property Description
Active Ingredient Mometasone Furoate
Form Aqueous suspension (Nasal Spray)
Pharmacological Class Glucocorticoid (Corticosteroid)
Common Therapeutic Purpose Powerful local anti-inflammatory action
Origin Synthetic
Typical Status Prescription-only (Rx) or Over-the-Counter (OTC), depending on formulation and country

What Type of Medicine Is Cortynase?

Cortynase is classified as a synthetic corticosteroid, belonging to the group of medicines known as Glucocorticoids. The substance, Mometasone Furoate, is chemically synthesized as a fluorinated steroid with a furoate ester, a structure designed to enhance its local potency while minimizing systemic absorption. This specialized chemical design is key to allowing the drug to deliver strong anti-inflammatory benefits directly to the target area, making it a well-tolerated option for local treatment.

Composition and Common Pharmaceutical Forms

The core composition of this medicinal entity utilizes Mometasone Furoate as its sole active ingredient. Cortynase is most commonly presented as an aqueous suspension administered via a specialized nasal spray device, which facilitates the intended intranasal route of administration. For use on the skin, the same Mometasone Furoate compound is also formulated for topical administration in preparations such as creams, ointments, and lotions, serving as a versatile local agent.

Cortynase: Primary Therapeutic Function

The primary function of Cortynase is the potent local suppression of swelling and inflammation. It achieves this by acting directly within cells as a Glucocorticoid receptor agonist, which modulates the transcription of various genes responsible for the inflammatory process. This action reduces the production of inflammatory mediators, such as leukotrienes and prostaglandins, leading to a general calming of irritation and congestion localized to the area of administration.

What side effects are possible with Cortynase?

Possible side effects and safety information

The safety profile of Cortynase, containing the corticosteroid Mometasone Furoate, is organized by regulatory authorities into frequency and affected System Organ Class (SOC), providing a formal overview of documented risks. The majority of reported effects relate to local irritation at the site of administration.


Officially Documented Adverse Reactions by Frequency

Side effects are classified based on their observed incidence, with Common effects being the most frequent, impacting up to 1 in 10 patients.

Classification Examples of Documented Effects
Common Epistaxis (nosebleed), Pharyngitis, Nasal irritation, Nasal burning, Headache
Rare Hypersensitivity reactions including Anaphylactic reaction, Angioedema, Bronchospasm

System Organ Class-Specific Safety Patterns

Adverse reactions are documented across several physiological systems in official labeling:

  • Respiratory, Thoracic, and Mediastinal Disorders: Includes local effects like nasal burning and irritation.
  • Nervous System Disorders: Documented effects include Headache.
  • Immune System Disorders: Covers rare, serious effects such as anaphylactic reaction.
  • Eye Disorders: Cataracts and Glaucoma are officially noted as potential risks associated with long-term use.
  • Musculoskeletal and Connective Tissue Disorders: The potential for growth suppression in the pediatric population is a specific safety consideration for prolonged therapy, requiring periodic height monitoring.

Regulatory documentation constrains use during pregnancy and lactation to situations where the potential benefit to the patient is deemed to outweigh the potential risk.

Overdose and Emergency Response

The official regulatory documents on Mometasone Furoate (Cortynase) overdose focus primarily on the systemic risks associated with the chronic use of higher-than-recommended dosages. Acute toxicity from a single instance of excessive intranasal use is considered unlikely due to low systemic absorption. The principal documented overdose manifestation linked to prolonged, high-dose exposure is the development of hypercorticism or clinical signs consistent with Cushing's syndrome. This severe outcome involves the suppression of the Hypothalamic-Pituitary-Adrenal (HPA) Axis, which may lead to potential Glucocorticosteroid Insufficiency.

In any instance of suspected overdose or ingestion of excessive amounts, regulatory instructions mandate that medical help be sought immediately. This includes contacting a certified Poison Control Center right away. If the affected individual collapses or experiences cessation of breathing, local emergency services must be contacted immediately. There is no specific chemical antidote known for Mometasone Furoate overdose listed in the official labeling.

Management focuses on providing supportive and symptomatic treatment, alongside the gradual discontinuation of the medicine under medical guidance. Due to the susceptibility to systemic effects, the official labeling also requires routine growth monitoring for pediatric patients receiving nasal corticosteroids.

Therapeutic Uses of Cortynase

Main Uses of Cortynase

Cortynase is a corticosteroid medication primarily used to manage inflammatory and allergic conditions affecting the nasal passages. It is most commonly indicated for the treatment of rhinitis, a condition characterized by inflammation of the nasal mucous membrane.

Allergic Rhinitis

Cortynase is used to relieve symptoms associated with both seasonal and perennial allergic rhinitis. Seasonal allergic rhinitis, often referred to as hay fever, occurs in response to outdoor allergens such as pollen from trees, grasses, or weeds. Perennial allergic rhinitis is a year-round condition typically triggered by indoor allergens, including dust mites, pet dander, or mold.

Non-Allergic Rhinitis

In addition to allergy-related inflammation, Cortynase may be used to treat vasomotor rhinitis. This is a non-allergic condition where the blood vessels inside the nose expand, leading to congestion and discharge. It can be triggered by environmental factors such as changes in temperature, humidity, or exposure to strong odors.

Benefits and Mechanism of Action

The primary benefit of Cortynase is its ability to reduce localized inflammation within the nasal cavity. As a corticosteroid, it works by inhibiting the release of various substances in the body that mediate the inflammatory response.

Symptom Management

By addressing the underlying inflammation, Cortynase helps to alleviate several common nasal symptoms:

  • Nasal Congestion: Reduces the swelling of nasal tissues to improve airflow.
  • Rhinorrhea: Decreases the production of excess mucus (runny nose).
  • Sneezing: Calms the irritation that triggers the sneezing reflex.
  • Nasal Itching: Soothes the mucous membranes to reduce discomfort.

Targeted Delivery

Because Cortynase is administered intranasally, the medication is delivered directly to the site of inflammation. This localized approach allows the active ingredients to work where they are needed most while minimizing the amount of medication that enters the general bloodstream.

Eligibility and Restrictions for Use

Who can and cannot use Cortynase?

Regulatory agencies define specific population eligibility rules for Cortynase (mometasone furoate nasal spray) based on age, current health status, and hypersensitivity.

Eligibility Group Regulatory Status
Allergic Rhinitis Adults, adolescents (12+), and children (3–11) are eligible for use.
Nasal Polyposis Use is restricted to adults mathbf(18;years;and;older); use in children and adolescents is not established.
Children under 2 Use is generally not recommended due to unestablished safety and efficacy data.

Contraindications: Cortynase is officially contraindicated for any individual with a known hypersensitivity or allergy to mometasone furoate or any of the product’s excipients. It must also not be used in patients with an untreated localized infection of the nasal lining, such as nasal herpes simplex.

Restrictions and Cautions: Use should be avoided following recent nasal surgery, nasal trauma, or if there are recent nasal ulcers, until complete healing has occurred. Caution is mandated for patients with tuberculosis or other untreated systemic infections, and for immunosuppressed individuals. For pregnancy and lactation, use is typically restricted unless the potential benefit to the mother is determined to outweigh any potential risk, as documented in official labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation for Cortynase (Mometasone Furoate) nasal spray details interaction patterns centered on drug metabolism and additive pharmacological effects. The primary metabolic route for Mometasone Furoate involves the Cytochrome P450 (CYP) 3A4 enzyme system.


Documented Interaction Structure

Element Official Regulatory Information
Interacting Product Category Strong CYP3A4 inhibitors; Other Corticosteroid products
Specific Interacting Medicines Ketoconazole, Cobicistat-containing products, Ritonavir
Mechanistic Basis Pharmacokinetic (CYP3A4 inhibition); Pharmacodynamic (additive glucocorticoid effects)

Pharmacokinetic and Pharmacodynamic Effects

Co-administration with strong CYP3A4 inhibitors results in a pharmacokinetic interaction that causes increased plasma exposure and reduced systemic clearance of Mometasone Furoate. This outcome increases the potential for systemic glucocorticoid effects if such combinations are used over prolonged periods.

Separately, a pharmacodynamic interaction exists with other corticosteroid products (such as oral or inhaled steroids). The use of Cortynase alongside these substances may lead to additive glucocorticoid effects, thereby increasing the overall risk of systemic exposure complications.

Official regulatory labels do not document specific interaction patterns with food, alcohol, or herbal products, nor do they specify mandatory time-separated dosing requirements.

Mechanism of Action

Cortynase is an inhibitor of the Janus Kinase (JAK) family, specifically targeting JAK1 and JAK2 through competitive binding within the enzyme’s ATP-binding pocket. This molecular interaction interrupts the transduction of extracellular signals mediated by various inflammatory cytokines and growth factors that rely on the JAK-STAT pathway.

The inhibition prevents the phosphorylation of Signal Transducers and Activators of Transcription (STAT) proteins. This suppression diminishes the expression of key inflammatory mediators, including Interleukin-6 (IL-6) and Tumor Necrosis Factor-alpha (TNF-alpha), and downregulates the transcription of genes linked to cellular inflammation and immune cell activation.

This resultant pathway modulation subsequently reduces the migration and proliferation of activated immune cells. The overall effect is the downregulation of intracellular signaling relevant to chronic inflammatory processes at the cellular and tissue level.

Dosage and Administration Information

How Cortynase is Used: Official Administration Guidelines

Cortynase (Mometasone Furoate) is used according to specific instructions detailing the administration route, dosage, and frequency. This medicine is administered locally, primarily through the intranasal route for the aqueous suspension or topically for cream and ointment formulations.


Official Dosing and Frequency

Indication (Adults 12 years) Dosing Schedule Frequency Pattern
Allergic Rhinitis Two 50 mcg sprays per nostril Once daily (200 mcg total)
Nasal Polyps Two sprays per nostril (200 mcg); may increase to two sprays per nostril twice daily (400 mcg) Once daily; maximum twice daily
Topical (0.1% Form) Apply a thin film to the affected skin area Once daily

Administration and Procedural Rules

The usage protocol for the intranasal spray requires specific preparation and handling. Before initial use, the device must be primed by actuating the pump until a fine spray is produced. For repriming after a period of non-use (e.g., 1 week or more), two actuations are typically required. The container must be shaken well before each dose to ensure proper suspension. The product is for intranasal use only, and administration must avoid the eyes and mouth.

Age-Specific Use

Administration for pediatric patients aged 2 - 11 years is typically limited to one 50 mcg spray per nostril once daily, resulting in a total daily dose of 100 mcg. Dosing for adolescents aged 12 and older is aligned with the standard adult regimen.

Duration Constraints

If the maximal twice-daily dosing for nasal polyps does not yield an adequate response after 5 to 6 weeks, the treatment plan requires professional re-evaluation. Similarly, topical treatment should be reviewed if no improvement is seen after 2 weeks of use.

Recent Clinical Evidence

Research evidence / Overview of studies for Cortynase


Evidence for Use in Allergic Rhinitis (Nasal Spray)

The research into the nasal spray formulation of Cortynase (Mometasone Furoate) was conducted using short-term and intermediate-term Randomized Controlled Trials (RCTs), which is the standard design for investigating drug candidates. These trials were used in research exploring how symptoms change over time, comparing the medicine against a non-active substitute (placebo). Outcomes related to physical discomfort were monitored, focusing on how symptoms like sneezing, nasal congestion, and runny nose were measured using scores like the Total Nasal Symptom Score (TNSS).

Findings describe patterns observed in the studies related to measured changes in the Total Nasal Symptom Score when comparing the active medicine to the placebo, based on data collected over short-term observation periods. Clinical data providing insight into outcomes for patients with severe comorbidities or specific structural nasal issues remain limited, as these groups were often excluded from pivotal trials.


Evidence for Use in Nasal Polyps

This compound was evaluated in trials for patients with nasal polyps—conditions involving periods of heightened symptoms. The research primarily utilized controlled clinical trials. Studies monitored outcomes linked to inflammatory states, focusing on objective measures like the physician-assessed size and grading of nasal polyps, alongside patient-reported outcomes describing perceived discomfort, such as nasal congestion and loss of the sense of smell.

Trials described patterns related to the objective measurement of change in polyp size when comparing investigational groups against placebo groups over observation periods of 4 to 16 weeks. The evidence base for preventing the long-term recurrence of nasal polyps, especially after surgical removal, is less extensive than the data characterizing the initial studied patterns.


Long-term Studies and Durability of Response

Research has explored whether the outcomes observed in short-term use were sustained over longer defined time intervals. Long-term studies extending for up to 52 weeks (one year) were conducted, but these studies often prioritized monitoring systemic effects, such as adrenal function, over continued efficacy endpoints. Research highlights changes measured during the study period, suggesting that observed symptom patterns continue to be recorded throughout the full year of monitoring in the studied populations. However, long-term effectiveness in specific uses is an area where data are still emerging, and certainty remains low regarding the full durability of symptom management in all patient groups.

Frequently Asked Questions (FAQ)

Common questions about Cortynase (FAQ)

Q: Is Cortynase a treatment that aims for a cure, or is it used for long-term management?

According to the official product information, Cortynase is described in terms of managing and controlling symptoms associated with its approved uses. Research evidence indicates that studies have examined its use over long-term periods, lasting up to one year. This focus suggests the drug is primarily intended for sustained management rather than aiming for a permanent cure.


Q: Can Cortynase potentially affect a person's mood or sleep patterns?

Official documents list potential side effects that affect the nervous system, such as headache. While mood changes or sleep disturbances are not explicitly listed as common effects, this medicine belongs to a class (glucocorticoids) where systemic effects require observation. For this reason, changes in mood or sleep patterns may be a point of discussion with a healthcare provider.


Q: Are there any specific medical screening requirements for starting Cortynase?

Regulatory mandates require that certain health factors be assessed before and during use. For example, periodic height monitoring may be a regulatory requirement for pediatric patients using the drug long-term. Additionally, use is restricted or cautioned in individuals with untreated infections or those who have had recent nasal surgery or trauma.


Q: Can the Cortynase tablet or capsule be crushed or split?

The official pharmaceutical forms of Cortynase are an aqueous suspension (a specialized liquid) for nasal spray and a topical cream or ointment for skin use. Because the medicine is not generally available as a tablet or capsule, questions regarding crushing or splitting do not usually apply to its approved formulations.


Q: What are the general recommendations for patients who need to undergo surgery while taking Cortynase?

Official regulatory labels describe that the use of Cortynase should be avoided if a patient has recently undergone nasal surgery or experienced a nasal injury or trauma. Official labeling indicates that administration is restricted until the healing process in the nasal lining is complete.


Q: Does Cortynase interact with common over-the-counter pain medications like ibuprofen?

Official regulatory documentation details interactions only with strong CYP3A4 inhibitors and other corticosteroids. The product’s regulatory label does not document specific interaction patterns with common over-the-counter pain medications like ibuprofen or acetaminophen.


Q: What is generally described about the onset of action for Cortynase?

Clinical research related to Cortynase measures outcomes by tracking the change in symptom severity scores over defined observation periods compared to a placebo. This research methodology provides information on the general time frame during which symptom patterns begin to change, as measured in clinical trials.


Q: Is it normal to experience fatigue when first starting Cortynase?

According to official regulatory adverse reaction tables, fatigue is not listed as a documented common or rare side effect of Cortynase.


Q: Do the official documents mention any potential for dependence with Cortynase?

Official documents on the medicine’s identity typically address the potential for dependence. Cortynase, containing Mometasone Furoate, is not classified by regulatory agencies as a substance associated with abuse or dependence.


Q: Is Cortynase known to cause changes in weight?

Official regulatory adverse reaction tables do not list changes in weight as a documented common or rare side effect associated with the use of Cortynase.


Q: What is the general guidance regarding Cortynase use in elderly patients?

According to regulatory labels, no specific dosage adjustment is generally required for the use of Cortynase in the elderly population. Use is typically aligned with the standard regimen established for adults.


Q: What precautions are described for Cortynase use in people with known liver conditions?

Because Cortynase is metabolized (broken down) in the body by the CYP3A4 enzyme system in the liver, official information notes that caution may be necessary. Regulatory information indicates caution is associated with use in people with severe hepatic impairment (serious liver issues) due to potential changes in how the medicine is cleared from the body.


Q: Why do some people mistakenly believe Cortynase is an immediate painkiller?

Cortynase is classified as a Glucocorticoid (a type of corticosteroid) that is primarily used for its potent local anti-inflammatory action and suppression of swelling. This mechanism of action, which focuses on modulating the immune response, is different from that of medications designed for immediate pain relief.


Q: Is Cortynase a controlled or scheduled substance?

Regulatory agencies classify medicines based on their potential for abuse. Official documents indicate that Cortynase, containing Mometasone Furoate, is typically not classified as a controlled or scheduled substance.


Q: What type of regulatory warning, like a Black Box Warning, is associated with Cortynase?

Official labeling outlines a number of important Warnings and Precautions related to systemic effects and pediatric growth. However, regulatory documents for the nasal spray formulation generally do not contain a Black Box Warning (the most serious warning) at the beginning of the label.


Q: Is it possible to develop a tolerance to the effects of Cortynase over time?

Clinical studies have followed patient outcomes and symptom patterns for periods of up to 52 weeks. While the research suggests continued effectiveness throughout the study period, official regulatory labels do not explicitly use the term 'tolerance' or 'tachyphylaxis' to describe a loss of efficacy over time.


Q: Are there any known interactions between Cortynase and common vaccinations?

Regulatory documents contain a general caution regarding the use of corticosteroids and certain vaccinations. Due to the potential for systemic effects and immune system modulation, regulatory information notes the need for special consideration regarding live or live-attenuated vaccines.


Q: What is the general information about discontinuing Cortynase after long-term use?

Official warnings advise caution for long-term use because corticosteroids carry a potential for systemic effects. As a result, regulatory documents describe the need for careful management, such as a managed reduction in use after extended treatment, to allow the body's natural hormone production (adrenal function) to be monitored.


Q: How quickly do the effects of Cortynase wear off after the last dose?

Official regulatory documents contain information on the medicine’s half-life and metabolism data. This data describes the rate at which the active substance is broken down and eliminated from the body, typically over the course of several hours.


Q: Can Cortynase use impact blood sugar levels?

As the active ingredient is a glucocorticoid (a type of corticosteroid), regulatory documents mandate caution. The potential for systemic effects may lead to a recommendation for monitoring factors such as blood sugar levels during use.


Q: Are there any known differences in how Cortynase affects different ethnic groups?

Regulatory labels for Cortynase often address whether pharmacokinetic or pharmacodynamic differences were observed across different demographic groups in clinical trials. Generally, official information states that no specific differences related to ethnicity have been identified in the studied populations.

How should Cortynase be stored and disposed of?

Storage and Disposal of Cortynase (Mometasone Furoate Nasal Spray)

Storage Requirements

Cortynase must be stored within the temperature range of 2 C to 25 C (36 F to 77 F). It is essential to protect the medicine from light and it must not be frozen. Keep the product in its closed container and ensure it is stored out of the reach of children.

Product Stability and Disposal

The nasal spray bottle is designed to deliver a specific number of doses and must be discarded after 120 sprays have been used, even if liquid remains. Any outdated or unused product should be properly disposed of. Regulatory documents state the medicine should not be flushed down a toilet or poured into a drain.

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

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