17,21-bis ( acetyloxy ) -2-bromo-6beta,9-difluoro-11beta-hydroxypregna-1,4-diene-3,2 0-dione ( halopredone acetate ; topicon ) cream , a new synthetic corticosteroid for topical use , has been evaluated against betamethasone valerate by means of double-blind sequential study , where the patients , mainly affected with psoriasis , presented symmetrically located lesions which were treated with either the new drug or the reference cream so that each patient could serve as his own control .
C0750848
betamethasone valerate
C0033860
psoriasis