Objective Despite the increased availability of biologic treatments indicated for severe asthma, patient and physician preferences for these medications remains largely unknown. The purpose of this study was to understand perceptions of biologic therapies, barriers to care with biologic medications, and preferences for biologic therapy attributes. Methods This mixed-methods study involved quantitative surveys and qualitative telephone interviews with patients and physicians from the United States. Participants described preferences for relevant attributes, and barriers to use of biologic medications. Participants rated, ranked, and indicated importance of preferences for different levels of key attributes including: mode of administration, administration setting, dosing frequency, number of injections, and time to onset of effect. Other attributes unique to each group were also included. Results A total of 47 patients and 25 physicians participated. Patients ranked out-of-pocket costs, mode of administration, time to onset of efficacy, and administration setting as the most important attributes. Physicians ranked mode of administration, time to onset of efficacy, dosing frequency, and insurance reimbursement/access as most important. Both groups expressed preferences for less frequent administrations (Q8W over Q4W or Q2W) (all P <0.01) and subcutaneous (SC) over intravenous injection (both P <0.0001). Key patient barriers to biologic medications include location of treatment, administration time, scheduling, cost/insurance coverage, number of injections, and mode of administration. Physicians identified patient candidacy, convincing patients, administration setting, mode of administration, cost, and administrative burden as key barriers to initiating therapy; and efficacy, speed of onset, convenience of administration, cost, and patient compliance as barriers to staying on therapy. Conclusions Patients and physicians expressed strong preferences for less frequent dosing, SC administration, and faster onset. Cost/insurance coverage and convenience issues were key barriers to use. Increased awareness and understanding of preferences and barriers may be useful in facilitating physician-patient conversations with the goal of individualizing treatment.
Chronic sinusitis is a recurrent disorder commonly found in atopic individuals, yet few studies have explored the role of inflammatory mediators in sinusitis. Sinus lavage fluid from ten patients with chronic sinusitis obtained during endoscopic surgery was analyzed for total cell counts and then assayed for histamine, immunoreactive leukotriene C4/D4/E4 (LTC4/D4/E4), and prostaglandin D2 (PGD2). All ten patients had been unresponsive to medical treatment, including oral corticosteroids in most cases. High concentrations of histamine, LTC4/D4/E4 and PGD2 were found in sinus fluid and were comparable to levels seen in nasal secretions of allergic rhinitis patients following allergen challenge. In the sinus fluid, inflammatory cells were predominantly neutrophils with only low percentages of mast cells, basophils or eosinophils. On the basis of the histamine and PGD2 concentrations in sinus fluid, we conclude that mast cell/basophil activation does occur in chronic sinusitis and may contribute to the persistent inflammation present in sinusitis.
Consideration of the needs and objectives of individual patients significantly influences the behavior of erectile dysfunction (ED) patients and their partners. Evaluation of an erectile dysfunction (ED) patient requires individualized consideration of the expectations, needs, and objectives of the affected couple. These factors can influence attitudes toward diagnosis, treatment seeking, and ultimately treatment compliance and dropout. Relevant ED market research studies were presented at the 2006 annual meeting of the American Urological Association. The studies explored the prevalence of ED, access to treatment, and ED patient attitudes and preferences. Several barriers continue to influence treatment-seeking behavior in men with ED. These barriers have had a negative impact on the ED patient and marketplace resulting in low rates of utilization and high rates of dropout from therapies for ED.
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