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. 2005 Oct 19;2005(4):CD005076. doi: 10.1002/14651858.CD005076.pub2

Dorinsky 2004.

Methods Study Design: Parallel RCT 
 Randomisation: Random stated, method not described 
 Concealment of Allocation: Not stated. 
 Double Blinding: Yes 
 Withdrawals / dropouts: Not described 
 Adverse events: Not described 
 Statistical analysis: Described 
 Jadad Score: 2
Participants Study site: 
 No eligible: 
 No randomised: 88 (40;48) 
 No completed: Not stated 
 Sex: Intervention 1: 43% males; Intervention 2: 46% males 
 Age (mean, SD): 1: 34.3 (11.3); 2: 35.3 (14.6) 
 Diagnostic criteria for asthma: Not stated 
 Inclusion criteria: FEV1 65‐95% predicted and at least 30 days of treatment with medium dose ICS, patients had to become clinically unstable when ICS was decreased to FP 100mcg bid. 
 Exclusion criteria: Not stated 
 Baseline severity of asthma: FEV1 (mean, SE) Intervention 1: 84.5% (1.5); Intervention 2: 81.2% (1.4)
Interventions Run in phase 1: 2 weeks. Patients stable on FP 250 mcg bid or equivalent dose. 
 Run in phase 2: 5‐28 days. Stable patients decreased ICS to FP 100mcg bid ‐ those who became unstable were eligible to continue in trial. 
 Run in phase 3: 4 weeks. FP dose increased to 250mcg bid. If stable on FP 250mcg bid eligible for trial 
 Intervention 1: FSC 100/50mcg bid (200/100mcg daily) 
 Intervention 2: FP 250mcg bid (FP 500mcg daily) 
 Delivery device: DPI, single device 
 Duration of treatment: 24 weeks 
 Other:
Outcomes BAL/biopsy ‐ airway inflammation 
 Measured as change from baseline: Morning & evening PEF (l/min), FEV1 (L), rescue medications (puffs/day), % rescue free days), daily symptom score, % symptom free days,
Notes Poster only. Comparison 1: Constant dose ICS
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? Unclear risk Described as randomised; no other information available
Allocation concealment? Unclear risk Information not available
Blinding? 
 All outcomes Unclear risk Information not available