Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol for Chronic Obstructive Pulmonary Disease: A Comprehensive Review

Overview:

The FDA (Food and Drug Administration) approved the combination of Glycopyrrolate and Formoterol fumarate inhalation aerosol on December 18th, 2019. An inhalation aerosol containing Glycopyrrolate and Formoterol fumarate is a combination drug used for the long-term maintenance treatment of emphysema and chronic bronchitis associated with chronic obstructive pulmonary disease (COPD). Breathing becomes challenging with COPD, a lung condition that progresses over time. Long-acting bronchodilators include Formoterol and Glycopyrrolate. Bronchodilators are inhaled through the mouth to widen the bronchial tubes, or air channels, in the lungs. They improve breathing difficulties, wheezing, coughing, and shortness of breath by forcing more air into the bronchial passages.

Drug Group:

Long-acting bronchodilator (Long-acting beta 2-agonist (LABA) / long-acting muscarinic antagonist (LAMA) combination).

Available Doses and Dosage Forms:

Glycopyrrolate and Formoterol fumarate inhalation aerosol comes in a single pre-measured dose strength:

• 15 mcg (micrograms) Glycopyrrolate and 12 mcg Formoterol fumarate per actuation.

• This medication is typically dispensed in a multi-dose inhaler.

For Patients:

What Is Chronic Obstructive Pulmonary Disease?

Breathing becomes challenging with COPD, a lung condition that progresses over time. Emphysema and chronic bronchitis are the two primary lung disorders included in this general phrase.

• Chronic Bronchitis: Long-term inflammation and irritation of the lining of the bronchial tubes causes chronic bronchitis, which manifests as a cough that produces mucus.

• Emphysema: This illness damages the lungs' air sacs, lessening their flexibility and making breathing difficult.

Long-term exposure to irritants, most frequently via cigarette smoke, is a typical cause of COPD development. Additional risk factors encompass work exposure to dust and chemicals, as well as air pollution.

COPD symptoms can include:

• Breathing difficulty, particularly while moving.

• Wheezing.

• Tightness in the chest

• Persistent coughing and mucus production.

• Fatigue.

Although COPD cannot be cured, some medicines can help control symptoms and enhance quality of life. In extreme situations, they include oxygen treatment, pulmonary rehabilitation, and medication.

How Does Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol Work?

This medicine is a mixture of two medications that function differently to improve breathing by widening the airways in the lungs:

• Glycopyrrolate: This medication is categorized as an anticholinergic. It facilitates breathing by loosening the muscles around the airways, which become constricted in people with COPD.

• Formoterol Fumarate: One long-acting beta2-adrenergic agonist (LABA) is Formoterol fumarate. It functions by relaxing the muscles in the airway walls, which opens up the lungs' airways.

These two drugs work better together to increase airflow and lessen COPD symptoms.

What Is the Dosage of Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

This drug is supplied in pre-measured dosage strengths of 12 mcg Formoterol fumarate and 15 mcg Glycopyrrolate for each actuation (puff). Two inhalations, twice a day (morning and evening), is the usual dosage.

How Effective Is Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

The inhalation aerosol of Glycopyrrolate and Formoterol fumarate is thought to be a useful treatment for chronic obstructive pulmonary disease (COPD). This is an analysis of its efficacy:

• Breathing Improvement: Research has indicated that this drug can considerably enhance lung function by boosting airflow and lowering dyspnea in COPD patients.

• Decreased Flare-Ups: This can lessen the frequency and intensity of COPD flare-ups, which are episodes when symptoms get worse.

• Enhanced Quality of Life: This medicine can assist individuals with COPD in engaging in more activities and enhance their overall quality of life by treating their symptoms.

What Are the Things to Inform the Doctor Before Taking the Drug?

To guarantee the safety and efficacy of Glycopyrrolate and Formoterol fumarate inhalation aerosol, one must disclose all relevant medical history to the doctor before beginning use. Here are some important topics to talk about:

• Allergies: Please mention any allergies to any drugs, including this one, or any other inhalers or chemicals.

• Health Issues: Tell the physician about any past medical history, particularly:

  • Heart issues, such as hypertension or an irregular pulse.

  • Diabetes (abnormal insulin levels).

  • Glaucoma (group of eye conditions characterized by progressive damage to the optic nerve).

  • Heart conditions.

  • Elevated blood pressure.

  • Irregular heart rhythm or beat.

  • Renal illness.

  • Illness of the liver.

  • Prostate illness.

  • Seizures (sudden, uncontrolled electrical disturbance in the brain that leads to various physical and behavioral manifestations).

  • Thyroid conditions

• List all of the medications used, including herbal supplements, over-the-counter meds, and prescription pharmaceuticals. This makes possible interactions easier to find.

• Being pregnant or nursing a baby: Inform about nursing a baby or expecting a child.

How Is Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol Administered?

The mouth is used to inhale this drug. Take it at the same time each day, as instructed on the prescription label. Avoid using it more frequently than recommended. Unless the care team instructs otherwise, continue taking it.

Read the “Instructions for use” attached to this medicine. Two inhalations, twice a day (morning and evening), is the typical dosage. The precise amount, however, can change based on the COPD's unique requirements and severity.

Here is a general administrative guideline:

1. Get the Inhaler Ready: If the inhaler is brand-new or has not been used in a while, prime it by following the directions on the packaging.

2. Inhale and Activate: After completely exhaling, enclose the lips with the mouthpiece to create a seal. Press the canister to release the drug while taking a calm, deep breath in.

3. Hold the Breath: To help the drug enter the lungs, hold the breath for the prescribed number of seconds.

4. Breathe Out Slowly: After holding the breath, slowly release it.

5. Second Dose: If the physician advised taking two breaths, follow the steps again for the second inhalation.

6. Mouthwash Rinse (Optional): To avoid dry mouth or a sore throat, some doctors advise rinsing the mouth with water after taking the inhaler.

What Are the Side Effects of Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

The following side effects should be reported as soon as possible to the care team:

• Angioedema (allergic responses) can include skin rashes, hives, itching, swelling of the lips, tongue, arms, or legs, as well as difficulty breathing or swallowing.

• Changes in heart rhythm, including an erratic or rapid heartbeat, lightheadedness or faintness, chest discomfort, and breathing difficulties.

• An elevation in blood pressure (hypertension).

• Cramping or soreness in the muscles.

• Unexpected eye discomfort or changes in vision, such as halos around lights, fuzzy vision, or vision loss.

• Urine passage difficulties.

• Breathing difficulties or wheezing that worsen after using.

Generally, the following side effects do not need to be reported to the care team if they persist or are bothersome:

• Constipation.

• Cough.

• Mouth dryness.

• Headache.

• Sore throat.

• Shaking or trembling.

• Difficulty falling asleep.

It is conceivable that not all adverse effects are covered in this list. For medical advice regarding side effects, contact the physician. One can notify the FDA about adverse effects.

Dietary Considerations:

When utilizing the inhalation aerosol of Glycopyrrolate and Formoterol fumarate, there are no particular dietary limitations. However, some dietary changes may help to marginally improve some side effects, such as dry mouth:

• Keep the mouth moist throughout the day by drinking lots of water to stay hydrated.

• Restrict sugary beverages and candies since they may exacerbate symptoms of dry mouth.

• Suck on sugar-free sweets or chew sugar-free gum to help relieve dry mouth and increase salivation.

• Improving the air's moisture content, particularly at night, helps alleviate dryness.

Missed Dose:

Here is what to do if one forgets to take the dosage of Formoterol fumarate and Glycopyrrolate inhalation aerosol:

• Remain calm, as generally, a missed dose does not cause much harm.

• Ignore the dosage missed and resume with the usual regimen.

• Never take two doses to make up for one that is missed.

Overdose:

This drug has a potentially dangerous overdose. This is what can be done:

• Immediately seek medical treatment if someone overdosed. Make a call to emergency services or head to the closest emergency room.

Overdose symptoms include:

• Trembling or shaking.

• Chest ache.

• Erratic or rapid pulse.

• Extreme vertigo.

• Observe the physician's advice in the letter. Take no more medicine than is given at any time.

• Monitor the dosages. To assist in adhering to the regimen, use a medication journal or reminder app. Never lend out the inhaler to someone else. Their requirements for dose may differ.

Storage

• Keep out of children's and animals' reach.

• Store it at room temperature between 20 and 25 degrees Celsius (68 and 77 degrees Fahrenheit). Inhalers should not be exposed to intense heat, cold, or humidity. When the dose counter reaches "0" or the expiration date approaches, discard it three months after taking it out of the foil bag, whichever comes first.

• To dispose of prescription drugs that have run out of stock or are no longer needed:

1. Bring the prescription drug to a pharmacy take-back program. To locate a location, contact police enforcement or a local pharmacist.

2. Ask the pharmacist or the care team how to dispose of the drug securely if unable to return it.

For Doctors:

Indication:

This drug is prescribed for the long-term maintenance therapy of airflow restriction in individuals suffering from emphysema and chronic bronchitis, as well as chronic obstructive pulmonary disease (COPD).

Dose:

• Each actuation (puff) of the drug contains a single pre-measured dosage strength of 15 mcg Glycopyrrolate and 12 mcg Formoterol fumarate.

• Two inhalations, twice a day (morning and evening), is the usual dosage. However, this might change based on personal needs and the severity of COPD.

Dosing Considerations:

• Always adhere to the precise dosage and frequency recommendations provided by the doctor. Based on the severity of the COPD and how well one responds to the medicine, they will calculate the best dose.

• This drug should not be used to treat acute respiratory distress. For such circumstances, keep the rescue inhaler that the doctor prescribed—typically a short-acting bronchodilator.

• For older individuals, there are often no special dose changes. When figuring out the right dose, the doctor will take the specific health situation into account.

• Patients who have significant liver or kidney damage may need to modify their dosage. Talk to the physician about this.

What Are the Pharmacological Aspects of Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

• Pharmacodynamics: Patients with COPD can have effective bronchodilation and enhanced airflow owing to the pharmacodynamics of Glycopyrrolate and Formoterol fumarate inhalation aerosol, which entail the complementary mechanisms of muscarinic antagonism and beta2-adrenergic agonism.

• Mechanism

  • A muscarinic antagonist called Glycopyrrolate causes bronchodilation by blocking muscarinic receptors in the airways.

  • A long-acting beta2-adrenergic agonist, Formoterol fumarate, causes smooth muscle relaxation and bronchodilation by activating beta2-receptors in the airways.

  • These two active substances work together to treat COPD by having a dual bronchodilatory action.

• Pharmacokinetics

  • Absorption: The medication particles enter the lungs by inhalation and are then taken up by the body and circulated throughout the body. The absorption patterns of Glycopyrrolate and Formoterol fumarate vary, with Glycopyrrolate being absorbed more quickly than Formoterol.

  • Distribution: Glycopyrrolate is widely distributed throughout tissues, as evidenced by its enormous volume of distribution. The body has large amounts of Formoterol fumarate, particularly in the lungs.

  • Metabolism: In the liver, Glycopyrrolate is mostly processed via oxidation and hydrolysis, and Formoterol fumarate is metabolized via the O-demethylation and conjugation routes.

  • Elimination: Except for a tiny amount secreted in the stools, Glycopyrrolate is largely removed intact in the urine. Urine is the main path where Formoterol fumarate and its metabolites are eliminated.

Toxicity:

• Cardiovascular Effects: As a beta2-agonist, Formoterol fumarate may have adverse cardiovascular consequences, including palpitations, arrhythmias, and elevated heart rate, particularly in individuals with underlying cardiovascular diseases.

• Anticholinergic Effects: Common adverse effects of anticholinergics, such as constipation, dry mouth, urine retention, and elevated intraocular pressure may occur.

Clinical Studies:

• Effectiveness: The combination of Glycopyrrolate and Formoterol fumarate has been shown in several clinical trials to be effective in enhancing lung function, lowering exacerbations, and alleviating symptoms in individuals with COPD. When compared to each of the individual components or a placebo, the combination has demonstrated greater bronchodilatory benefits.

• Safety: Clinical trials have shown that the combination is typically well tolerated, and its safety profile is in line with that of the separate parts. Nasopharyngitis, dry mouth, and headaches are among the mild to moderately severe adverse effects that have been reported.

What Are the Contraindications of Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

• Hypersensitivity: Patients with a history of known hypersensitivity to either of the formulation's excipients or active components should not use Glycopyrrolate and Formoterol fumarate inhalation aerosol.

• Narrow-Angle Glaucoma: Patients with narrow-angle glaucoma should not use Glycopyrrolate due to its anticholinergic properties, which may cause a rise in intraocular pressure.

• Retention of Urine: Patients with urinary retention should not use Glycopyrrolate due to its anticholinergic effects, which can also cause urine retention.

• Severe Cardiovascular Disorders: As a beta2-agonist, Formoterol fumarate may raise the risk of cardiovascular events in those with severe or unmanaged cardiovascular conditions, such as hypertension, arrhythmias, or ischemic heart disease.

Warnings and Precautions:

• Fatal Asthma Reactions: Formoterol fumarate is one example of a long-acting beta2-adrenergic agonist (LABA) that has been linked to a higher risk of mortality from asthma. Asthma patients should not be treated with this medicine.

• Incongruous Bronchospasm: There have been reports of using this drug to cause paradoxical bronchospasm, which is a constriction of the airways. The drug should be stopped right once if this happens.

• Effects on the Heart: Cardiovascular side effects, including elevated blood pressure and heart rate, are possible with Formoterol fumarate. Patients with pre-existing cardiovascular problems should exercise caution.

• Effects of Anticholinergics: Common adverse effects of anticholinergics, such as dry mouth, constipation, and urine retention can be brought on by Glycopyrrolate. Patients need to have their effects closely watched.

What Are the Drug Interactions of Glycopyrrolate and Formoterol Fumarate Inhalation Aerosol?

Do not combine this medication with:

• Cisapride.

• Dofetilide.

• Dronedarone.

• Other long-acting beta-2 agonists (LABAs) are similar to Formoterol (such as Indacaterol, Olodaterol, Salmeterol, and Vilanterol).

• Pimozide.

• Thioridazine.

• Ziprasidone.

Talk to the doctor about all the current medications, including:

• Allergy, cough, and cold antihistamines.

• Medications for bladder problems (Oxybutynin, Tolterodine).

• Medications for blood pressure, heart disease, or irregular heartbeat.

• Medications for depression, anxiety, or mental health conditions.

• Monoamine oxidase inhibitors (MAOIs).

• Medications with anticholinergic properties (Aclidinium, Ipratropium, Glycopyrrolate [already present in this medication], Tiotropium, Umeclidinium).

• Medications that prolong the QT interval (affecting heart rhythm).

• Steroid medications (Prednisone, Cortisone).

• Stimulant medications for ADHD, weight loss, or wakefulness.

• Theophylline.

By discussing the current medications with the doctor, they can identify any potential interactions and ensure the safety of using this medication alongside the existing treatment plan.

Specific Considerations:

• Elderly Patients: The anticholinergic effects of Glycopyrrolate, which include dry mouth, constipation, and urine retention, may be more common in elderly people.

• Impairment of Renal Function: Glycopyrrolate clearance may be decreased in patients with renal impairment, increasing exposure and risk of side effects.

• Hepatic Impairment: Both Glycopyrrolate and Formoterol fumarate may be metabolized differently in patients with hepatic impairment, which might have an impact on the medication's safety and effectiveness.

• Pregnancy and Lactation: Unless the possible advantages outweigh the dangers, this medicine is not advised during pregnancy or lactation. Before using this medicine, talk to the doctor about the reproductive plans.