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
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