Single-dose placebo-controlled study of two Strepsils flavour lozenges for sore throat relief

Phase 3, randomised, double-blind trial of amylmetacresol + 2,4-dichlorobenzyl alcohol, amylmetacresol and 2,4-dichlorobenzyl alcohol in upper respiratory infection (URI) (3 arms), sponsored by Reckitt. Primary endpoint: Area under the change from baseline curve in throat soreness. Started Nov 2008; status: completed.