CALL FOR METHODS Methods for Identification, Determination, or Screening Methods for PDE5 Inhibitors AOAC INTERNATIONAL invites method developers to submit methods for consideration and possible evaluation through the AOAC Official MethodsSM program. Prospective methods may be qualitative, identification methods, and/or screening methods for phosphodiesterase type 5 inhibitors (PDE5 inhibitors) in dietary ingredients and supplements. OBJECTIVE: The objective of this call for methods is to select and evaluate methods that can be used for routine surveillance of dietary ingredients. Acceptable methods must be reliable and reproducible when used by trained analysts in accredited laboratories. Interested method developers should provide a description of their proposed method and data characterizing the analytical performance of the proposed method. For the purpose of this Call-for-Methods, PDE5 inhibitors are defined as avanafil, lodenafil carbonate, mirodenafil, sildenafill, tadalafil, udenafil, or vardenafil; or any of their analogs. Any analytical technique that measures the analytes of interest and meets the method performance requirements specified in the SMPR will be considered. It is acceptable to have a different analytical method for each class of analytes. Applicable SMPRs: • View AOAC 2014.010 – Methods for the Identification of PDE5 Inhibitors • View AOAC SMPR 2014.011 – Methods for the Determination of PDE5 Inhibitors • View AOAC SMPR 2014.012 – Screening Methods for PDE5 Inhibitors Submit Your Method AOAC INTERNATIONAL METHOD SUBMISSION PROCESS: AOAC invites method authors to submit their methods with no fee required. Interested method authors or developers should provide a copy of their proposed method, as well as any available data characterizing the analytical performance and scientific validity of the method in AOAC format. For additional method author resources, please visit the AOAC SPDS Author Resource Center. Ideal method submissions should include a well written method procedure and be accompanied by data or information supporting the method’s applicability and demonstrating the method’s ability to meet the criteria of the AOAC standard method performance requirements. Do you have further questions about the method submission process? Please contact us to organize a method developer Q&A session by teleconference. .