#1 Clinical Trials Search in Europe

Fenoterol Hydrobromide

Fenoterol Hydrobromide, a beta-2 adrenergic agonist, has been the subject of several clinical trials exploring its efficacy in treating respiratory conditions like asthma and its potential in managing heart failure. These studies aim to understand the drug’s effects on lung function, heart rate, and overall patient outcomes, comparing it with other treatments and investigating new formulations for expanded therapeutic use.

Table of Contents

What is Fenoterol?

Fenoterol hydrobromide, also known by brand names such as Berotec[1] or Berodual (when combined with ipratropium)[2], is a medication that belongs to a class of drugs called beta-2 adrenergic agonists. These medications work by stimulating specific receptors in the body, particularly in the lungs, to help relax and open up the airways.

Medical Uses

Fenoterol is primarily used to treat respiratory conditions, including:

  • Asthma: It helps manage acute bronchial obstruction and symptoms of asthma[3]
  • Chronic Obstructive Pulmonary Disease (COPD): Fenoterol can help relieve symptoms of COPD, a group of lung diseases that includes chronic bronchitis and emphysema[1]
  • Bronchiectasis: This condition, where the airways of the lungs become abnormally widened, can also be treated with fenoterol[4]

In some cases, fenoterol has been studied for potential use in treating heart failure, although this is not its primary application[5].

How Fenoterol Works

Fenoterol works by stimulating beta-2 adrenergic receptors in the body. When these receptors are activated:

  • The smooth muscles in the airways relax, which helps to open up the breathing passages
  • It can increase heart rate without significantly raising blood pressure, which may help improve heart function in some cases[5]
  • The medication can help reduce inflammation in the airways, making breathing easier

Administration Methods

Fenoterol can be administered in several ways:

  • Metered-dose inhaler (MDI): This is a common method where the medication is inhaled directly into the lungs using a small, handheld device[1]
  • Nebulizer: In some cases, especially for children or those who have difficulty using an inhaler, fenoterol can be given through a nebulizer, which turns the medication into a fine mist that can be inhaled[3]
  • Intravenous (IV) injection: In certain research settings or specific medical situations, fenoterol may be administered intravenously[6]

Clinical Studies and Research

Several clinical studies have been conducted to evaluate the effectiveness and safety of fenoterol:

  • A study compared fenoterol to formoterol in children with acute bronchial obstruction, assessing its efficacy in managing asthma symptoms[3]
  • Research has been done to evaluate fenoterol’s potential in improving exercise capacity in patients with bronchiectasis[4]
  • Some studies have explored the use of fenoterol in activating brown adipose tissue, which could have implications for metabolism and weight management[6]
  • Investigations have been conducted to compare fenoterol with other bronchodilators and to assess its effectiveness when used in combination with other medications like ipratropium[2]

Potential Side Effects

Like all medications, fenoterol can cause side effects. Some potential side effects include:

  • Increased heart rate
  • Tremors or shaking, particularly in the hands
  • Headache
  • Nervousness or anxiety
  • Dry mouth
  • Nausea

It’s important to note that not everyone experiences these side effects, and they often diminish as your body adjusts to the medication. Always report any persistent or severe side effects to your healthcare provider.

Precautions and Considerations

When using fenoterol, keep in mind:

  • Always use the medication as prescribed by your doctor
  • If you have heart problems, diabetes, or other chronic conditions, inform your doctor before using fenoterol
  • Regular check-ups may be necessary to monitor your response to the medication
  • Do not increase your dose or frequency of use without consulting your healthcare provider
  • If you’re pregnant or breastfeeding, discuss the risks and benefits of fenoterol use with your doctor

Remember, fenoterol is a powerful medication that can significantly improve symptoms for many patients with respiratory conditions. However, it should always be used under medical supervision and as part of a comprehensive treatment plan.

Aspect Details
Primary Uses Treatment of asthma and COPD; potential use in heart failure
Administration Methods Metered-dose inhalers, nebulizers, intravenous infusion (in trials)
Key Clinical Trials Comparison with other bronchodilators; evaluation of new formulations; testing in heart failure patients
Measured Outcomes Lung function (FEV1, FVC), heart rate, blood pressure, exercise capacity
Potential Benefits Improved airway function in asthma; possible cardiac benefits in heart failure
Safety Considerations Monitoring of heart rate, blood pressure, and other potential side effects
Ongoing Research New formulations (R,R form), comparison with established treatments, exploration of use in heart failure

FAQ

  • What is Fenoterol Hydrobromide used for? Fenoterol Hydrobromide is primarily used to treat respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It works by relaxing and opening the airways, making breathing easier.
  • How is Fenoterol Hydrobromide administered? Fenoterol Hydrobromide can be administered in various forms, including metered-dose inhalers, nebulizers, and in some trials, as an intravenous infusion. The most common method for asthma treatment is via inhalation.
  • Are there any potential side effects of Fenoterol Hydrobromide? Common side effects may include increased heart rate, tremors, and headaches. In clinical trials, researchers closely monitor these effects, especially when testing new formulations or higher doses.
  • How does Fenoterol Hydrobromide compare to other asthma medications? Clinical trials have compared Fenoterol to other bronchodilators like ipratropium bromide and formoterol. These studies aim to determine the relative efficacy and safety of Fenoterol in managing asthma symptoms compared to alternative treatments.
  • Is Fenoterol Hydrobromide being studied for conditions other than asthma? Yes, some clinical trials are exploring the potential use of Fenoterol Hydrobromide in treating heart failure. Researchers are investigating its effects on heart function and its ability to improve cardiac output without significantly increasing blood pressure.

Ongoing Clinical Trials on Fenoterol Hydrobromide

  • Study on Oxygen Therapy and Drug Combination for Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)

    Recruiting

    3 1 1 1
    Investigated drugs:
    Denmark

  • Study on Oxygen Therapy and Salbutamol for Patients with COPD Exacerbation

    Not yet recruiting

    3 1 1 1
    Investigated drugs:
    Denmark

Glossary

  • Beta-2 adrenergic agonist: A type of medication that stimulates beta-2 receptors in the body, primarily used to relax and open airways in the lungs, making breathing easier for people with respiratory conditions.
  • Bronchodilator: A substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow to the lungs.
  • Metered-dose inhaler (MDI): A device that delivers a specific amount of medication to the lungs in the form of a short burst of aerosolized medicine that is usually self-administered by the patient via inhalation.
  • Forced Expiratory Volume in 1 second (FEV1): The volume of air that can be forcibly exhaled from the lungs in the first second of a forced exhalation. It's an important measure of lung function.
  • Pharmacokinetics: The study of how a drug is absorbed, distributed, metabolized, and eliminated by the body. This is crucial in understanding how a medication works and its effects over time.
  • Racemic mixture: A mixture that contains equal amounts of left- and right-handed enantiomers of a chiral molecule. In the context of Fenoterol, different forms of the drug are being studied for potential benefits.
  • Cardiopulmonary exercise test (CPET): A test that measures how well the heart and lungs work together during exercise. It's often used to evaluate the effectiveness of treatments for respiratory and cardiac conditions.

References

  1. https://clinicaltrials.gov/study/NCT02244216
  2. https://clinicaltrials.gov/study/NCT00274066
  3. https://clinicaltrials.gov/study/NCT00460577
  4. https://clinicaltrials.gov/study/NCT05183841
  5. https://clinicaltrials.gov/study/NCT01440335
  6. https://clinicaltrials.gov/study/NCT05294965