CENTER FOR DRUG EVALUATION AND RESEARCH APPLICATION NUMBER: 205718Orig1s000 MICROBIOLOGY / VIROLOGY REVIEW(S) MEMORANDUM DEPARTMENT OF HEALTH AND HUMAN SERVICES PUBLIC HEALTH SERVICE FOOD AND DRUG ADMINISTRATION CENTER FOR DRUG EVALUATION AND RESEARCH DATE: October 2, 2013 TO: NDA 205718 FROM: John W. Metcalfe, Ph.D. Senior Microbiology Reviewer CDER/OPS/NDMS THROUGH: Stephen E. Langille, Ph.D. Senior Microbiology Reviewer CDER/OPS/NDMS cc: Mary Chung, PharmD. Regulatory Health Project Manager CDER/OND/ODEIII/DGIEP SUBJECT: Product Quality Microbiology assessment of Microbial Limits for NDA 205718 [Submission Date: 26 September 2013] The Microbial Limits specification for Netupitant and Palonosetron (Fixed Dose Combination Capsule) is acceptable from a Product Quality Microbiology perspective. Therefore, this submission is recommended for approval from the standpoint of product quality microbiology. Netupitant and Palonosetron (Fixed Dose Combination Capsule) is a Tablet/Capsule combination for oral administration. The drug product is tested for Microbial Limits at release using a method consistent with USP Chapter <61> (Microbiological Examination of Non-sterile Products: Microbial Enumeration Tests) and <62> (Microbiological Examination of Non-sterile Products: Tests for Specified Microorganisms). The Microbial Limits acceptance criteria are consistent with USP Chapter <1111> (Microbiological Examination of Non-sterile Products: Acceptance Criteria for Pharmaceutical Preparations and Substances for Pharmaceutical Use). The Microbial Limits acceptance criteria are provided in table 1. Reference ID: 3383098 MEMORANDUM Table 1. Microbial Limits Tests and Acceptance Criteria Test Method Total Aerobic Microbial Count USP<61> Total Combined Yeasts/Molds Count USP<61> Escherichia coli USP<62> Acceptance Criteria (b) (4) The Microbial Limits test methods were verified to be appropriate for use with the drug product following procedures consistent with those in USP Chapter <61> and <62>. The drug product will also be tested for Microbial Limits annually as part of the post-approval stability protocol. ADEQUATE Reviewer Comments – The microbiological quality of the drug product is controlled via a suitable testing protocol. END Reference ID: 3383098 --------------------------------------------------------------------------------------------------------This is a representation of an electronic record that was signed electronically and this page is the manifestation of the electronic signature. --------------------------------------------------------------------------------------------------------/s/ ---------------------------------------------------JOHN W METCALFE 10/02/2013 STEPHEN E LANGILLE 10/02/2013 Reference ID: 3383098