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Sanofi Clarifies Xyzal-Zyrtec Size Comparison, Outweighs J&J Calculation

Executive Summary

National Advertising Division recommends Sanofi add "nearly" to claim that Xyzal Allergy 24HR is "as effective at half the size" of J&J's Zyrtec in a TV ad because 3D modeling comparing the products showed Xyzal tablet has 73-mm volume and a Zyrtec tablet's is 145.2 mm. Sanofi's evidence also supported referring to Xyzal's size would not mislead consumers to expect its drug has half the pharmaceutical dosage of Zyrtec.

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