Hodson 1974.
Methods | Setting: UK, hospital outpatient clinic Length of intervention period: 9 weeks Randomisation: yes, method not stated Allocation concealment: yes (assignment to groups by independent pharmacist) Design: parallel group Masking: double blind Excluded: not stated Withdrawal: stated Baseline characteristics: not reported Jadad score: 4 | |
Participants | 25 patients: no details of age but probably adults only Inclusion criteria: Asthmatic patients requiring prednisolone at least 7mg/day for adequate control Exclusion criteria: Co‐existent chronic obstructive bronchitis | |
Interventions | BDP: 50 mcg 2 pfs 4x daily (400mcg/d) Placebo 2 pfs 4xdaily Delivery device: MDI |
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Outcomes | No. patients discontinuing oral prednisolone FEV1 FVC Clinic PEFR Plasma cortisol Plasma cortisol post tetracosactrin | |
Notes | Reply from author but unable to clarify method of random order generation. | |
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Allocation concealment? | Low risk | A ‐ Adequate |