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Use of albuterol, a beta-adrenergic agonist, may be associated with the following:
- Paradoxical bronchospasm [see WARNINGS AND PRECAUTIONS]
- Cardiovascular effects [see WARNINGS AND PRECAUTIONS]
- Hypersensitivity reactions, including anaphylaxis [see CONTRAINDICATIONS and WARNINGS AND PRECAUTIONS]
- Hypokalemia [see WARNINGS AND PRECAUTIONS]
Albuterol is a component of COMBIVENT RESPIMAT.
Use of ipratropium bromide, an anticholinergic, may result in the following:
Ipratropium bromide is a component of COMBIVENT RESPIMAT.
Clinical Trials Experience
COMBIVENT RESPIMAT 12-Week Clinical Trials
The safety data described in Table 1 below are derived from one 12-week, randomized, multi-center, double-blind, double-dummy, parallel-group trial that compared COMBIVENT RESPIMAT (20/100 mcg), CFC-propelled COMBIVENT Inhalation Aerosol (36/206 mcg), and ipratropium bromide delivered by the RESPIMAT inhaler (20 mcg) administered four times a day in 1460 adult COPD patients (955 males and 505 females) 40 years of age and older. Of these patients, 486 were treated with COMBIVENT RESPIMAT. The COMBIVENT RESPIMAT group was composed of mostly Caucasian (88.5%) patients with a mean age of 63.8 years, and a mean percent predicted FEV1 at screening of 41.5%. Patients with narrow-angle glaucoma, symptomatic prostatic hypertrophy or bladder-neck obstruction were excluded from the trial.
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Table 1 shows all adverse reactions that occurred with a frequency of ≥ 2% in the COMBIVENT RESPIMAT treatment group in the 12-week COPD trial. The frequency of the corresponding adverse reactions in the CFC-propelled COMBIVENT Inhalation Aerosol and ipratropium bromide delivered by the RESPIMAT inhaler groups is included for comparison. The rates are derived from all reported adverse reactions of that type not present at baseline, whether considered drug-related or not by the clinical investigator.
Table 1: Adverse Reactions in ≥ 2% of
Patients in the COMBIVENT RESPIMAT Group in a 12-Week COPD Clinical Trial
|Body System (Event)||12-Week Ipratropium-Controlled Trial|
|COMBIVENT RESPIMAT (20/100 mcg)
|CFC-propelled COMBIVENT Inhalation Aerosol (36/206 mcg)
|Ipratropium bromide by the RESPIMAT Inhaler (20 mcg)
|Patients with any adverse reaction||46||52||45|
|Respiratory, thoracic and mediastinal disorders|
|Nervous system disorders|
|Infections and infestations|
|Upper Respiratory infection||3||4||3|
Adverse reactions that occurred in < 2% in the COMBIVENT RESPIMAT (20/100 mcg) group observed in this 12-week trial include: Vascular disorders: hypertension; Nervous system disorders: dizziness and tremor; Musculoskeletal and connective tissue disorder: muscle spasms and myalgia; Gastrointestinal disorders: diarrhea, nausea, dry mouth, constipation, and vomiting; General disorders and administration site conditions: asthenia, influenza-like illness, and chest discomfort; Eye disorders: eye pain; Metabolism and nutritional disorders: hypokalemia; Cardiac disorders: palpitations and tachycardia; Skin and subcutaneous tissue disorders: pruritus and rash; Respiratory, thoracic and mediastinal disorders; pharyngolaryngeal pain and wheezing.
A separate 12-week trial evaluated a higher than approved dose of COMBIVENT RESPIMAT in 1118 COPD patients. Patients were randomized to COMBIVENT RESPIMAT (40/200 mcg) (n=345), CFC-propelled COMBIVENT Inhalation Aerosol (36/206 mcg) (n=180), ipratropium delivered by the RESPIMAT (40 mcg) (n=252) or placebo (n=341). The overall incidence and nature of adverse reactions observed were similar to the adverse reactions seen with COMBIVENT RESPIMAT 20/100 mcg.
COMBIVENT RESPIMAT Long Term (48-week) Safety Trial
Long term chronic use safety data for COMBIVENT RESPIMAT were obtained from one 48-week, randomized, multi-center, open-label, parallel-group trial that compared COMBIVENT RESPIMAT (20/100 mcg), CFC-propelled COMBIVENT Inhalation Aerosol (36/206 mcg) and the free combination of ipratropium bromide (34 mcg) and albuterol (180 mcg) HFA inhalation aerosols administered 4 times a day in 465 adult COPD patients (273 males and 192 females) 40 years of age and older. Of these patients, 157 were treated with COMBIVENT RESPIMAT. The COMBIVENT RESPIMAT group was composed of mostly Caucasian (93.5%) patients with a mean age of 62.9 years, and a mean percent predicted FEV1 at screening of 47.0%. An evaluation of the safety data from the trial revealed that most adverse reactions were similar in type and rate between treatment groups. However, cough occurred more frequently in patients enrolled in the COMBIVENT RESPIMAT group (7.0%) compared to those in the CFC-propelled COMBIVENT Inhalation Aerosol (2.6%) or the free combination of ipratropium bromide and albuterol HFA inhalation aerosols (3.9%) groups.
In addition to the adverse reactions reported in the controlled clinical trial with COMBIVENT RESPIMAT, adverse reaction information concerning CFC-propelled COMBIVENT Inhalation Aerosol is derived from two 12-week controlled clinical trials (N=358 for CFC-propelled COMBIVENT Inhalation Aerosol). Adverse reactions reported in ≥ 2% of patients in the CFC-propelled COMBIVENT Inhalation Aerosol treatment group include: bronchitis, upper respiratory tract infection, headache, dyspnea, cough, pain, respiratory disorder, sinusitis, pharyngitis and nausea. Adverse reactions reported in < 2% of patients in the CFC-propelled COMBIVENT Inhalation Aerosol treatment group include: edema, fatigue, hypertension, dizziness, nervousness, tremor, dysphonia, insomnia, diarrhea, dry mouth, dyspepsia, vomiting, arrhythmia, palpitation, tachycardia, arthralgia, angina, increased sputum, taste perversion, urinary tract infection, dysuria, dry throat and bronchospasm.
In addition to the adverse reactions reported during clinical trials, the following adverse reactions have been identified during post approval use of CFC-propelled COMBIVENT Inhalation Aerosol. Since CFC-propelled Combivent Inhalation Aerosol and Combivent Respimat contain the same active ingredients, one should take into account the fact that the adverse reactions seen with CFC-propelled Combivent Inhalation Aerosol could also occur with Combivent Respimat. Because these events are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Gastrointestinal disorders: gastrointestinal motility disorder, drying of secretions, stomatitis and mouth edema
Immune system disorders: hypersensitivity;
Musculoskeletal and connective tissue disorders: muscular weakness
Psychiatric disorders: CNS stimulation, mental disorder
Urinary disorders: urinary retention
Cardiac disorders: myocardial ischemia
Allergic-type reactions such as skin reactions including rash, pruritus, and urticaria (including giant urticaria), angioedema including that of tongue, lips and face, laryngospasm, and anaphylactic reaction have also been reported with CFC-propelled COMBIVENT Inhalation Aerosol, with positive re-challenge in some cases [see WARNINGS AND PRECAUTIONS].
In a 5-year placebo-controlled trial, hospitalizations for supraventricular tachycardia and/or atrial fibrillation occurred with an incidence rate of 0.5% in COPD patients receiving CFC-propelled Atrovent® (ipratropium bromide) Inhalation Aerosol.
Metabolic acidosis has been reported with use of albuterol-containing products.
Read the Combivent Respimat (ipratropium bromide and albuterol) Side Effects Center for a complete guide to possible side effects
COMBIVENT RESPIMAT has been used concomitantly with other drugs, including beta-adrenergic bronchodilators, methylxanthines, and oral and inhaled steroids, commonly used in the treatment of chronic obstructive pulmonary disease. There are no formal studies fully evaluating the interaction effects of COMBIVENT RESPIMAT and these drugs with respect to safety and effectiveness.
There is the potential for an additive interaction with concomitantly used anticholinergic medications. Therefore, avoid coadministration of COMBIVENT RESPIMAT with other anticholinergic-containing drugs as this may lead to an increase in anticholinergic adverse effects [see WARNINGS AND PRECAUTIONS].
Caution is advised in the coadministration of COMBIVENT RESPIMAT and other sympathomimetic agents due to the increased risk of adverse cardiovascular effects [see WARNINGS AND PRECAUTIONS].
Beta-receptor Blocking Agents
Beta-receptor blocking agents and albuterol inhibit the effect of each other. Beta-receptor blocking agents should be used with caution in patients with hyperreactive airways.
The ECG changes and/or hypokalemia which may result from the administration of non-potassium sparing diuretics (such as loop or thiazide diuretics) can be acutely worsened by beta-agonists, especially when the recommended dose of the beta-agonist is exceeded. Although the clinical significance of these effects is not known, caution is advised in the coadministration of beta-agonist-containing drugs, such as COMBIVENT RESPIMAT, with non-potassium sparing diuretics. Consider monitoring potassium levels.
Monoamine Oxidase Inhibitors Or Tricyclic Antidepressants
COMBIVENT RESPIMAT should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors or tricyclic antidepressants or within 2 weeks of discontinuation of such agents because the action of albuterol on the cardiovascular system may be potentiated. Consider alternative therapy in patients taking MAOs or tricyclic antidepressants [see WARNINGS AND PRECAUTIONS].
Read the Combivent Respimat Drug Interactions Center for a complete guide to possible interactions
Last reviewed on RxList: 11/3/2014
Additional Combivent Respimat Information
Report Problems to the Food and Drug Administration
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