(April 14, 2016, 11:54 AM EDT) -- WILMINGTON, Del. — The Delaware Supreme Court on April 12 affirmed dismissal of a third-party payer (TPP) Nexium/Prilosec class action, saying the union health funds caused their own injury by continuing to pay for the more expensive prescription Nexium while claiming that they were the victims of false advertising by drug maker AstraZeneca Pharmaceuticals LP (Teamsters Local 237 Welfare Fund, et al. v. AstraZeneca Pharmaceuticals LP, et al., No. 415, 2015, Del. Sup.; 2016 Del. LEXIS 236)....