Mann 1982.

Methods	"Not clear if an RCT, and unable to obtain further information as only the abstract is available" Cross‐over trial Number of centres: not stated Period of inclusion: not stated
Participants	Inclusion criteria Not stated Exclusion criteria Not stated
Interventions	Intervention 1 A: oral colchicine (5 mg twice daily) Intervention 2 B: placebo
Outcomes	No primary or secondary outcome pre‐specified Numbers of yellow pustules and brown lesions on both hands and feet and degree of scaling and erythema were plotted on a 10‐cm scale Participants themselves recorded their overall impression and the degree of pain and irritation on similar linear scales
Notes	‐