Polyposis nasi - Improvement in quality of life by the influence of leukotrien receptor antagonists

Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde der Ludwig-Maximilians-Universität München, Klinikum Grosshadern.
Laryngo-Rhino-Otologie (Impact Factor: 0.84). 05/2007; 86(4):282-6. DOI: 10.1055/s-2007-966094
Source: PubMed


Sulfido-Leukotrienes are important inflammatory mediators of bronchial asthma, intolerance of acetylsalicylic acid (ASA), polyposis nasi and allergic rhinitis. Receptorantagonists like Montelukast constitute a well-established asthma- and ASA intolerance-therapy. The aim of our study was to evaluate changes in patients Health-Related-Quality-of-Life (HRQL) during Montelukast-monotherapy of nasal polyposis.
The study was performed in a prospective, double blind and placebo-controlled matter. The study included 30 patients of our ENT outpatient's dept. (77 % male, mean age 49 yrs), suffering from nasal polyposis grade II to IV. Polyps were endoscopically graded, nasal Eosinophilic Cationic Protein (ECP) was measured, and HRQL-score was taken prior to and four weeks after Montelukast-(0 - 0 - 10 mg) compared to placebo. An established HRQL-questionnaire - including 25 items, summarized in 6 symptom-groups - was used. Given was a symptom-score of 1 (not troubled) to 4 (extremely troubled).
Patients treated with Montelukast improved their nasal symptoms (Delta HRQL-score 0.58 +/- 0.94, P < 0.01), practical problems (Delta HRQL-score 0.42 +/- 0.71, P < 0.05), headaches (Delta HRQL-score 0.38 +/- 0.56, P < 0.05), non-nasal symptoms (Delta HRQL-score 0.35 +/- 0.92, P < 0.05), sleep (Delta HRQL-score 0.26 +/- 0.71) and emotional problems (Delta HRQL-score 0.18 +/- 0.75). Intranasal ECP (Delta 210.67 ng/ml +/- 332.68) and polyp grading (Delta 0.72 +/- 1.77) tended to improve as well, but did not reach statistical significance. Patients treated with placebo revealed no significant changes neither in HRQL-score, ECP, nor polyp grading.
Montelukast-therapy of nasal polyposis significantly improved patient's HRQL in 4 out of 6 symptom-groups. Measuring HRQL proofed to constitute a more sensitive tool than looking at eosinophilic parameters of inflammation or polyp size.

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    • "Significant improvements were seen in exam score (p < 0.05), rhinomanometry (p < 0.01), and olfactometry (p < 0.001) in a placebo-controlled study.17 Although endoscopic staging failed to significantly improve (p > 0.05) in a placebo-controlled trial,18 a separate RCT observed a substantial decrease in computed tomography scores after montelukast treatment (p < 0.05) that was equivalent to the improvement shown after INCS treatment (p > 0.05).19 "
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    ABSTRACT: Leukotriene antagonists (LTAs) provide a potential strategy for the management of chronic rhinosinusitis with nasal polyposis (CRSwNP), which is often refractory to medical and surgical treatment. The purpose of this study is to determine the impact of LTA treatment alone and in conjunction with intranasal corticosteroids (INCSs) on nasal symptoms, objective clinical outcomes, and immune parameters in CRSwNP. A systematic review was performed including studies that assessed the effectiveness of LTAs on clinical outcome measures of CRSwNP. Exclusion criteria were trials assessing LTAs in CRS without nasal polyps or asthma symptoms only. Quantitative analysis was performed using a random effects model. Twelve studies fulfilled eligibility: five randomized control trials and seven case series. LTAs showed significant improvements in CRSwNP symptoms over placebo; however, these randomized trials were unable to be combined via meta-analysis. The two studies used in meta-analysis showed a standardized mean difference of pooled overall symptom scores of 0.02 (95% confidence interval, -0.39-0.44) between LTA and INCS study arms, indicating no difference between the treatment modalities. Improvement was described by all studies in symptoms, clinical outcomes, and/or immune parameters after LTA treatment, with greater improvements in a subset of symptoms beyond that observed with INCSs. Concomitant asthma, aspirin-exacerbated respiratory disease, and atopy did not significantly or consistently affect these results. LTAs are an effective tool for treating CRSwNP, with limited benefit as an adjunctive therapy. Additional study is required to determine the most beneficial strategy and patient population for their use.
    Preview · Article · Nov 2013 · American Journal of Rhinology and Allergy
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    • "Many adjunctive agents have been utilized to control CRS including antimycotics,95–98 anti-IgE,99 anti-IL5,100,101 antihistamine,102,103 aspirin desensitization,104 bacterial lysates,105–108 capsaicin,109 complementary and alternative medicine,3,110–114 decongestants,115 furosemide,116 immunosuppressants,117,118 leukotriene antagonists,119,120 nasal irrigation,121–127 mucolytic agents,128 phototherapy,129 probiotics,130 and proton pump inhibitors (PPIs).131 There was limited evidence on the effect of these options. "
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    ABSTRACT: This review describes the epidemiology and various treatments in chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP). Evidence for short-term use of systemic corticosteroids has been shown to be favorable in CRSwNP, but still limited in CRSsNP. Topical corticosteroids improve symptom scores in both CRS subgroups. The role of microbes in CRS is still controversial. Culture-directed antibiotics are recommended for CRSsNP with exacerbation. Long-term use of low dosage antibiotics is recommended for CRSsNP for their anti-inflammatory effects. Other emerging treatment options are also discussed.
    Full-text · Article · Jun 2013 · International Journal of General Medicine
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    • "Interestingly, an increased colonization rate of Staphylococcus aureus and IgE to SAEs was reported in nasal polyps, specifically in subjects with asthma and AERD [87]. Thereby, IgE to SAEs was also coincident with higher levels of IL-5, eotaxin and eosinophil cationic protein which are known to potentiate and prolong the eosinophilic inflammation leading to polyps' development. "
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    ABSTRACT: Aspirin-exacerbated respiratory disease (AERD) refers to aspirin sensitivity, chronic rhinosinusitis (CRS), nasal polyposis, asthma, eosinophil inflammation in the upper and lower airways, urticaria, angioedema, and anaphylaxis following the ingestion of NSAIDs. Epidemiologic and pathophysiological links between these diseases are established. The precise pathogenesis remains less defined, even though there is some progress in the understanding of several molecular mechanisms. Nevertheless, these combinations of diseases in patients classified by AERD constitute a fatal combination and may be difficult to treat with standard medical and surgical interventions. This paper reviews in brief the epidemiology, clinical features, diagnosis, molecular pathogenesis, and specific therapies of patients classified by AERD and postulates future attempts to gain new insights into this disease.
    Full-text · Article · Aug 2012 · Journal of Allergy
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