Any application by Mr. Acuna for special termination of debarment under section 306(d)(4) of the FD&C Act ( 21 U.S.C. Mr. Acuna was given notice of the proposed debarment and an opportunity to request a hearing within the timeframe prescribed by regulation. As of May 6, 2026 (30 days after receipt of the notice), Mr. Acuna has not responded. Mr. Acuna and his co-conspirators knowingly failed to conduct the trials according to the trial protocols and applicable federal regulations. For instance, on June 12, 2019, Mr. Acuna signed a check for $120 to Co-Conspirator 1 for fake medical records for two subjects.