This 6-month, open-label extension study of a previously described base study compared oral montelukast with inhaled beclomethasone in terms of safety, forced expiratory volume in one second (FEV1) measurements, parent and patient satisfaction with treatment, asthma-related medical resource utilization, school absenteeism, and parental work loss in children with asthma. A total of 124 of 266 asthmatic children, 6 to 11 years of age, who enrolled in the base study entered a 6-month open-label extension study (74 boys, 50 girls) and were re-randomized (2:1 ratio) to receive once-daily oral montelukast (n = 83) or inhaled beclomethasone 100 mcg three times daily (n = 41). Children were evaluated in the clinic prior to re-randomization (Month 0) and at regular visits at 1, 3, and 6 months. Children and their parents showed a significantly higher overall satisfaction for montelukast at 6 months than for inhaled beclomethasone (p = 0.001 and p < 0.05, respectively). According to parents, montelukast was more convenient (p < 0.001), less difficult to use (p = 0.005), and was used as instructed more of the time (p = 0.006) compared with beclomethasone. Oral corticosteroid use was similar in the montelukast (13% of patients) and beclomethasone (17%) treatment groups. The montelukast treatment group was more adherent with their regimen than the inhaled beclomethasone treatment group; almost twice as many children on montelukast compared with inhaled beclomethasone were highly compliant (82% versus 45%). The two study groups were similar with respect to overall safety, change in FEV1, asthma-related medical resource utilization, school absenteeism, and parental work loss. Montelukast represents a safe and effective asthma treatment regimen to which children with asthma are more likely to adhere.
With the ongoing pandemic of influenza A (H1N1) virus infection and the threat of high fatality rates for recent human cases of infection with highly pathogenic H5N1 strains, there has been considerable interest in developing pandemic vaccines. Here we report a randomized multicenter dose-finding clinical trial of a whole-virion, inactivated, adjuvanted H5N1 vaccine in adult and elderly volunteers. Four hundred eighty patients were randomly assigned to receive one or two doses of 3.5 g of the vaccine or one dose of 6 or 12 g. The subjects were monitored for safety analysis, and serum samples were obtained to assess immunogenicity by hemagglutination inhibition and microneutralization tests. The subjects developed antibody responses against the influenza A (H5N1) virus. Single doses of >6 g fulfilled EU and U.S. licensing criteria for interpandemic and pandemic influenza vaccines. Except for occasional injection site pain, malaise, and fever, no adverse events were observed. We found that the present vaccine is safe and immunogenic in healthy adult and elderly subjects and requires low doses and, unlike any other H5N1 vaccines, only one injection to trigger immune responses which comply with licensing criteria. A vaccine using the same methods as those described in this report, but based on a wild-type swine-origin 2009 (H1N1) influenza A virus isolate from the United States (supplied by the CDC), has been developed and is currently being tested by our group.With the ongoing pandemic of influenza A (H1N1) virus infection and the threat of high fatality rates for recent human cases of infection with highly pathogenic H5N1 strains, there has been considerable interest in developing pandemic influenza vaccines.With new cases continuing to emerge, as of June 2009, the avian influenza A (H5N1) virus subtype has caused 433 human infections in 15 countries, as confirmed by the World Health Organization (WHO), resulting in severe illness with a high fatality rate (30). Human-to-human spread has been strongly suspected and even evidenced by statistical methods (22,33). With new human infections continuing to develop, this subtype continues to represent a potential source of an influenza pandemic (33).Mass vaccination is the most effective approach to reduce illness and death from pandemic influenza. Therefore, vaccine producers are currently developing and assessing vaccines against H5N1 viruses (2,14,31). The effects of split, subvirion, and whole-virion H5N1 vaccines have been tested, with various immunogenicity results (31). Three whole-virion vaccines have been tested so far, two of which required two-dose regimens (4, 14), while a one-dose regimen with the present vaccine was found to be immunogenic in 146 adult subjects (24).The objective of the present study was to determine the safety and immunogenicity of an inactivated whole-virion vaccine against influenza A/Vietnam/1194/2004, using multiple dosing and administration schedules, for adult and elderly subjects. To date, this is the only influenza pandemic prototy...
These results indicate that nutritional supplements beneficially modulate plasma antioxidants and thus might have a positive influence on systemic redox balance and subsequently, pulmonary inflammation in asthmatic children.
Our study showed that temporary absence of and changes in cardiovascular findings are frequent in Williams-Beuren syndrome. These results could contribute to the refinement of diagnostic criteria and recommendations for cardiovascular follow-up of patients with this syndrome.
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