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Biomedical subjects

D B Price

Publications and source records attributed to D B Price.

At least 19 recordsLinked to original sources
PubMed2006

Effect of montelukast on lung function in asthma patients with allergic rhinitis: analysis from the COMPACT trial.

BACKGROUND: The Clinical Outcomes with Montelukast as a Partner Agent to Corticosteroid Therapy (COMPACT) trial demonstrated that montelukast added to budesonide (MNT + BD) was as efficacious as double the dose of budesonide (dBD) in improving morning peak expiratory flow (AM PEF) in adult asthmatics. Recent studies have demonstrated that montelukast is also effective in treating daytime and nighttime allergic rhinitis (AR) symptoms in asthmatic patients. This analysis was designed to examine whether asthmatic patients with comorbid AR respond differently than patients without comorbid AR in terms of asthma control (lung function). METHODS: There were 216 asthmatic patients in the MNT+BD group and 184 patients in the dBD group with AR. Treatment differences in the change from baseline in AM PEF were compared. Least square (LS) mean and 95% confidence interval (CI) were derived from an anova model adjusting for baseline and study site. RESULTS: There was a 9.2% increase in AM PEF from baseline in the MNT+BD group compared with a 6% increase in the dBD group. The LS mean difference [(MNT+BD)-dBD] was 14.2 l/min (P=0.028). Other secondary endpoints were similar between groups. CONCLUSION: In the subgroup of asthmatic patients with AR, a combined treatment approach that included montelukast and budesonide provided significantly greater efficacy in reducing airflow obstruction compared with doubling the dose of budesonide. These results support recommendations by the Allergic Rhinitis and its Impact on Asthma initiative that suggest a unified approach aimed at treating the airway inflammation common to both diseases is beneficial for the large proportion of asthmatics who also suffer from AR.

Acetates↗
PubMed2003

Randomised controlled trial of montelukast plus inhaled budesonide versus double dose inhaled budesonide in adult patients with asthma.

BACKGROUND: Inhaled corticosteroids (ICS) affect many inflammatory pathways in asthma but have little impact on cysteinyl leukotrienes. This may partly explain persistent airway inflammation during chronic ICS treatment and failure to achieve adequate asthma control in some patients. This double blind, randomised, parallel group, non-inferiority, multicentre 16 week study compared the clinical benefits of adding montelukast to budesonide with doubling the budesonide dose in adults with asthma. METHODS: After a 1 month single blind run in period, patients inadequately controlled on inhaled budesonide (800 microg/day) were randomised to receive montelukast 10 mg + inhaled budesonide 800 microg/day (n=448) or budesonide 1600 microg/day (n=441) for 12 weeks. RESULTS: Both groups showed progressive improvement in several measures of asthma control compared with baseline. Mean morning peak expiratory flow (AM PEF) improved similarly in the last 10 weeks of treatment compared with baseline in both the montelukast + budesonide group and in the double dose budesonide group (33.5 v 30.1 l/min). During days 1-3 after start of treatment, the change in AM PEF from baseline was significantly greater in the montelukast + budesonide group than in the double dose budesonide group (20.1 v 9.6 l/min, p<0.001), indicating faster onset of action in the montelukast group. Both groups showed similar improvements with respect to "as needed" beta agonist use, mean daytime symptom score, nocturnal awakenings, exacerbations, asthma free days, peripheral eosinophil counts, and asthma specific quality of life. Both montelukast + budesonide and double dose budesonide were generally well tolerated. CONCLUSION: The addition of montelukast to inhaled budesonide is an effective and well tolerated alternative to doubling the dose of inhaled budesonide in adult asthma patients experiencing symptoms and inadequate control on budesonide alone.

Acetates↗
PubMed2001

Changes in asthma drug therapy costs for patients receiving chronic montelukast therapy in the U.K.

The aim of this study was to assess changes in the costs of asthma drug therapy before and during the use of chronic montelukast treatment in the U.K. A retrospective cohort analysis of a primary care database in the U.K. was carried out. Patients with chronic montelukast use (> or = 140 once-daily doses) were selected for analysis. Benchmarking data were obtained for matched patients with chronic inhaled corticosteroid (ICS) use and patients with chronic salmeterol therapy with concomitant ICS use. The main outcome measures were changes in utilization and monthly cost of asthma therapies costs. Asthma patients experienced significant (P<0.05) reductions in the monthly costs of ICS, short-acting beta-agonists and antibiotics following chronic montelukast therapy. Monthly concomitant drug costs were reduced by Pound Sterling 7.49 per month, which offset 27.5% of the additional cost of montelukast, yielding an increase in total drug costs of Pound Sterling 19.78 per month. Meanwhile, increased total drug costs for matched patients with chronic ICS use, and matched patients with chronic salmeterol therapy and concomitant ICS use, increased by Pound Sterling 5.37 per month and Pound Sterling 44.55 per month respectively. Additionally, patients using chronic montelukast therapy experienced a statistically significant (P<0.05) reduction in the use of short acting beta-agonists, and antibiotics, suggesting improvement in asthma control. Chronic use of montelukast therapy is associated with a reduction of concomitant drug therapy costs.

Acetates↗
PubMed1997

A within-patient comparison of subcutaneous and oral sumatriptan in the acute treatment of migraine in general practice.

This study compared, for the first time in the United Kingdom, the efficacy and safety of oral 100 mg and subcutaneous 6 mg sumatriptan within a patient for the acute treatment of migraine. The patient's preference for the two formulations of sumatriptan were also recorded. The study was a multicentre, randomized, open, crossover design with an optional open parallel group extension. Individual attacks were treated with one formulation only. Over 70% of patients who treated attack 1 in both treatment periods of the crossover phase reported headache relief with each formulation at 4 h. Only 3% of patients failed to respond to at least one of the formulations at this time point. At the end of the crossover phase patient preference for the injection more than doubled from the pretreatment level in those patients who were previously naive to sumatriptan. During the optional phase of the study, 38% of patients chose to treat some attacks with oral and some with subcutaneous sumatriptan. The main reason for choosing injection was speed of relief, whilst convenience was the major reason for the use of the tablet.

Acute Disease↗
PubMed1988

Pediatric AIDS. Neuroradiologic and neurodevelopmental findings.

A group of 23 pediatric patients seropositive for HIV antibody were studied by computed tomography and evaluated neurodevelopmentally. Significant neurodevelopmental delays were found in over 95% of the patients studied. CT findings in six patients were normal and thirteen of 23 (57%) had prominence of the CSF spaces. Less frequent findings included calcifications in the basal ganglia and white matter. Cerebral mass lesions included one case of lymphoma and one case of hemorrhage. The CT findings in the pediatric age group differs from the adult population in that contrast enhancing inflammatory mass lesions are uncommon.

AIDS-Related Complex↗
PubMed1987

Bilateral synchronous mixed tumors of the parotid glands.

Bilateral synchronous mixed tumors of the parotid glands are uncommon. In this case, they occurred in association with multiple benign tumors elsewhere in the body. The larger of the two parotid neoplasms was asymptomatic and undetected on physical examination, even after its presence had been established by computed tomographic scan.

Adenoma, Pleomorphic↗
PubMed1987

Improved technique for rethreading and modifying Cope loop retention catheters.

In patients with high proximal biliary obstructions, the standard Cope biliary retention catheter may not drain the proximally obstructed bile ducts. Placing additional side holes proximally in the catheter will usually cut the retention string. We have therefore devised a simple technique for removing the string prior to making the side holes and replacing it, using the stiffening cannula provided with the catheter. The technique has proved successful in 5 cases.

Bile Ducts↗