A comparative analysis of the decongestive effect of oxymetazoline and xylometazoline in healthy subjects.
Summary of "A comparative analysis of the decongestive effect of oxymetazoline and xylometazoline in healthy subjects."
BACKGROUND:
Oxymetazoline and xylometazoline are locally effective and direct acting drugs that relieve nasal congestion. The aim of this study was to objectively determine and compare the decongestive effects of oxymetazoline and xylometazoline in healthy subjects.
METHODS:
The study population comprised thirty healthy adults. All subjects underwent active anterior rhinomanometry (AARhm) and acoustic rhinometry (AR) tests following the application of oxymetazoline, xylometazoline, or placebo (physiological saline). The change in nasal resistance, nasal airflow, and different cross-sectional areas (CSAs) of the nasal cavity in the subjects were examined for each solution separately. The measurements were obtained over a 1-h period (baseline and 1, 15, 30, and 60 min post-dosing). All results were analyzed using the Kruskal-Wallis test and the Mann-Whitney U test.
RESULTS:
A total of 6,300 measurements of AARhm and AR were obtained. The application of placebo did not cause a statistically significant change in nasal resistance, nasal airflow, and CSAs (CSA1, 2, and 3, respectively) of the nasal cavity. In contrast, statistically significant changes in nasal resistance (inspiration p = 0.000 and p = 0.004; expiration p = 0.000 and p = 0.000), nasal airflow (inspiration p = 0.000 and p = 0.004; expiration p = 0.000 and p = 0.000), and CSAs of the nasal cavity (CSA2 p = 0.000 and p = 0.000, CSA3 p = 0.000 and p = 0.00), with the exception of CSA1 (p = 0.982 and p = 0.994), were obtained after the application of oxymetazoline and xylometazoline. A comparison of oxymetazoline and xylometazoline based on nasal resistance, nasal airflow, and CSAs of the nasal cavity demonstrated no statistically significant difference, except for CSA3.
CONCLUSION:
Oxymetazoline and xylometazoline are fast-acting and potent topical decongestants that have similar decongestive effects.
Affiliation
Department of Otorhinolaryngology, Celal Bayar University, 45010, Manisa, Turkey, gorkemeskiizmir@yahoo.com.
Journal Details
This article was published in the following journal.
Name: European journal of clinical pharmacology
ISSN: 1432-1041
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21069518
- DOI: http://dx.doi.org/10.1007/s00228-010-0941-z
Medical and Biotech [MESH] Definitions
Matched-pair Analysis
A type of analysis in which subjects in a study group and a comparison group are made comparable with respect to extraneous factors by individually pairing study subjects with the comparison group subjects (e.g., age-matched controls).
Placebo Effect
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.
Textbooks
Books intended for use in the study of specific subjects, containing systematic presentation of the principles and essential knowledge of the subjects.
Oxymetazoline
A direct acting sympathomimetic used as a vasoconstrictor to relieve nasal congestion. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1251)
Activation Analysis
A method of chemical analysis based on the detection of characteristic radionuclides following a nuclear bombardment. It is also known as radioactivity analysis. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
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