Nasacort 24HR Superiority Claims OK Without Head-To-Head Tests – NAD

“Strong scientific consensus with regard to product efficacy” justifies claims that Sanofi’s Nasacort Allergy 24HR is “the most effective OTC medicine for the treatment of nasal allergy symptoms,” NAD determines. Claritin-maker Merck, in its challenge, argued Sanofi needs head-to-head testing to support the claim.