Riccioni 2001.
Methods | DESIGN
‐parallel group ALLOCATION ‐Random ‐method of randomization: computer generated ‐method of assessment: not mentioned BLINDING ‐reported as double‐blind (patient and assessor) but without placebo WITHDRAWAL/DROPOUT ‐described JADAD's Quality Score = 2 ‐Confirmation of methodology: received (Oct 2003) |
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Participants | SYMPTOMATIC PARTICIPANTS RANDOMISED: N = 48 Z= 12 BUD= 12 Z+BUD= 12 Control= 12 WITHDRAWALS; Z=2 (16%) BUD= 1 (8%) Z+BUD= 2 (16%) AGE: mean (± SD) years Z: 33.75 (±11.24) BUD: 32.15 (±10.27) Z+BUD: 33.44 (±11.12) Control: 29.15 (±10.34) GENDER (% male): Z: 6 (50) BUD: 6 (50) Z+BUD: 6 (50) Control: 6 (50) BASELINE SEVERITY: ‐mild persistent % Predicted FEV1 (Mean +‐ SD) Z: 94.75 ± 7.68 BUD: 92.75 ± 9.87 Z+BUD: 92.16 ± 5.06 Control: 95.75 ± 5.84 ATOPY/ALLERGEN TRIGGERS: ‐not reported ASTHMA DURATION (years) ‐1 year ELIGIBILITY CRITERIA ‐1 year of mild persistent bronchial asthma ‐PEF >80% pred. and PEF daily variability in 20‐30% range with positive salbutamol reversibility test EXCLUSION: ‐URTI in last 3 weeks ‐hospitalization for asthma in the last 3 months ‐treatment with antihistamines, anticholinergics, theophylline drugs ‐presence of autoimmune, hepatic, or renal disorders ‐malabsorption, drug or alcohol addiction ‐pregnancy or lactation |
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Interventions | PROTOCOL Duration ‐run‐in Period: 2 weeks ‐Intervention: 8 weeks TEST GROUP: ‐Zafirlukast 20 mg bid TEST GROUP 2 ‐Zafirlukast 20 mg bid + Budesonide 400 g bid CONTROL GROUP ‐Budesonide 400 g bid CONTROL GROUP 2 ‐Placebo DEVICE: ‐not reported CO‐INTERVENTION: ‐not reported |
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Outcomes | ANALYSIS PER PROTOCOL
(not by ITT) OUTCOMES ‐reported at 8 weeks PULMONARY FUNCTION TEST ‐pre‐ and post FVC values ‐pre‐ and post FEV1 ‐pre‐ and post PC20 SYMPTOM SCORES ‐not reported FUNCTIONAL STATUS ‐not reported INFLAMMATORY MEDIATORS ‐not reported ADVERSE EVENTS ‐not mentioned WITHDRAWALS ‐not reported Primary outcome not specified |
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Notes | ‐Full‐text publication (2001) Funded by University ‐confirmation of methodology and data extraction: obtained from Graziano Riccioni, Oct 2003 USER‐DEFINED ORDER: 800 (daily dose of BDP‐equivalent=800 mcg ) |
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Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Allocation concealment (selection bias) | High risk | Study investigators aware as to treatment group assignment (Cochrane Grade C) |