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Fluticasone/formoterol compared with other ICS/LABAs in asthma: a systematic review
Rajesh Venkitakrishnan Md Dnb1, Prasanna Kumar Thomas Md2, Ankit Bansal Md Dnb3
1Pulmonary Medicine, Rajagiri Hospital, Kochi, India.
Objectives:
An inhaled corticosteroid (ICS)-long-acting beta-2 agonist (LABA) combination has become the standard of care in asthma. Various ICS-LABAs are commercially available providing the clinician with many choices. A thorough understanding of the clinical efficacy and safety of various formulations will immensely benefit the prescribing doctor to decide the choice of agent. The present systematic review was undertaken to compare the clinical efficacy and safety of formoterol fluticasone (FF) to other ICS/LABA combinations in asthmatics.
Methods:
The review adhered to the general principles mentioned in the CRD guidance and the PRISMA statement. We searched Medline, Embase, and Cochrane Controlled Trials Register databases on the efficacy of FF in treating asthma compared with other ICS-LABAs. A total of 138 trials identified initially. Only trials comparing the efficacy and safety of FF in comparision with Salmeterol/fluticasone (SF) or Budesonide/Formoterol (BF) were selected. The outcomes compared were onset of bronchodilator action, improvement in lung function, asthma control, asthma-related quality of life and risk of pneumonia.
Results:
Sixteen studies were included in the final analysis. FF therapy provided faster onset of bronchodilatation than SF. A better improvement in lung function was seen with FF inhaler use as compared with comparators in two studies. Patients using the FF inhaler had a non-inferior asthma control and asthma-related quality of life. Pneumonia risk was least with FF usage.
Conclusion:
FF provides faster onset of action, numerically superior improvement in lung function and comparable asthma control than other ICS-LABA formulations. FF has better safety evidenced by lower occurrence of pneumonia.
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