“ Suprofen is markedly more potent inhibiting the conversion of arachidonic acid to PGF2 alpha than is ibuprofen (30 times) or aspirin (1250 times).”
“Taken together with the important role … (Hahn et al., 1982) that suprofen is more potent and effective than a number of … in vivo guinea pig uterine contractions induced by arachidonic acid , the results of the present study suggest a mechanism … effective treatment for the signs and symptoms of dysmenorrhea.”