DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration Silver Spring MD 20993 NDA 208019 NDA APPROVAL Pharma Research Software Solution, LLC. Attention: Mr. Dmitry Izbinsky President 84 Rotterdam Road North Southampton, PA 18996 Dear Mr. Izbinsky: Please refer to your Drug Application (NDA) dated October 24, 2014, submitted pursuant to section 505(b)(2) of the Federal Food, Drug, and Cosmetic Act (FDCA), for Potassium Chloride for Oral Solution, USP, 20 mEq. We acknowledge receipt of your amendments dated December 22, 2014, and January 20, February 5, April 2, July 28 and 31, and August 14, 2015. This new drug application provides for the use of potassium chloride for oral solution for the treatment and prophylaxis of hypokalemia with or without metabolic alkalosis, in patients for whom dietary management with potassium-rich foods or diuretic dose reduction is insufficient. We have completed our review of this application, as amended. It is approved, effective on the date of this letter, for use as recommended in the enclosed agreed-upon labeling text. CONTENT OF LABELING As soon as possible, but no later than 14 days from the date of this letter, submit the content of labeling [21 CFR 314.50(l)] in structured product labeling (SPL) format using the FDA automated drug registration and listing system (eLIST), as described at http://www.fda.gov/ForIndustry/DataStandards/StructuredProductLabeling/default.htm. Content of labeling must be identical to the enclosed labeling (text for the package insert). Information on submitting SPL files using eLIST may be found in the guidance for industry SPL Standard for Content of Labeling Technical Qs and As, available at http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/U CM072392.pdf. Reference ID: 3808573 NDA 208019 Page 2 The SPL will be accessible via publicly available labeling repositories. CARTON AND IMMEDIATE CONTAINER LABELS Submit final printed carton and immediate container labels that are identical to the carton and immediate container labels submitted on July 31, 2015, as soon as they are available, but no more than 30 days after they are printed. Please submit these labels electronically according to the guidance for industry Providing Regulatory Submissions in Electronic Format – Human Pharmaceutical Product Applications and Related Submissions Using the eCTD Specifications (June 2008). Alternatively, you may submit 12 paper copies, with 6 of the copies individually mounted on heavy-weight paper or similar material. For administrative purposes, designate this submission “Final Printed Carton and Container Labels for approved NDA 208019.” Approval of this submission by FDA is not required before the labeling is used. Marketing the product with FPL that is not identical to the approved labeling text may render the product misbranded and an unapproved new drug. PROPRIETARY NAME If you intend to have a proprietary name for this product, the name and its use in the labels must conform to the specifications under 21 CFR 201.10 and 201.15. We recommend that you submit a request for a proposed proprietary name review. (See the guidance for industry Contents of a Complete Submission for the Evaluation of Proprietary Names, available at http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/u cm075068.pdf and “PDUFA Reauthorization Performance Goals and Procedures Fiscal Years 2008 through 2012”.) REQUIRED PEDIATRIC ASSESSMENTS Under the Pediatric Research Equity Act (PREA) (21 U.S.C. 355c), all applications for new active ingredients, new indications, new dosage forms, new dosing regimens, or new routes of administration are required to contain an assessment of the safety and effectiveness of the product for the claimed indication(s) in pediatric patients unless this requirement is waived, deferred, or inapplicable. This product is appropriately labeled for use in ages 0 to 18 years for this indication. Therefore, no additional studies are needed in this pediatric group. PROMOTIONAL MATERIALS You may request advisory comments on proposed introductory advertising and promotional labeling. To do so, submit, in triplicate, a cover letter requesting advisory comments, the proposed materials in draft or mock-up form with annotated references, and the package insert to: Reference ID: 3808573 NDA 208019 Page 3 Food and Drug Administration Center for Drug Evaluation and Research Office of Prescription Drug Promotion 5901-B Ammendale Road Beltsville, MD 20705-1266 As required under 21 CFR 314.81(b)(3)(i), you must submit final promotional materials, and the package insert, at the time of initial dissemination or publication, accompanied by a Form FDA 2253. Form FDA 2253 is available at http://www.fda.gov/downloads/AboutFDA/ReportsManualsForms/Forms/UCM083570.pdf. Information and Instructions for completing the form can be found at http://www.fda.gov/downloads/AboutFDA/ReportsManualsForms/Forms/UCM375154.pdf. For more information about submission of promotional materials to the Office of Prescription Drug Promotion (OPDP), see http://www.fda.gov/AboutFDA/CentersOffices/CDER/ucm090142.htm. REPORTING REQUIREMENTS We remind you that you must comply with reporting requirements for an approved NDA (21 CFR 314.80 and 314.81). If you have any questions, please call: Edward Fromm, R.Ph., RAC Regulatory Project Manager (301) 796-1072 Sincerely, {See appended electronic signature page} Norman Stockbridge, M.D., Ph.D Director Division of Cardiovascular and Renal Products Office of Drug Evaluation I Center for Drug Evaluation and Research cc: Melissa L. Goodhead, MSc, RAC President Pharmaceutical Project Solutions, Inc. 11705 Boyette Road, Suite 171 Riverview, Florida 33569 Enclosures: Content of Labeling Carton and Container Labeling Reference ID: 3808573 --------------------------------------------------------------------------------------------------------This is a representation of an electronic record that was signed electronically and this page is the manifestation of the electronic signature. --------------------------------------------------------------------------------------------------------/s/ ---------------------------------------------------NORMAN L STOCKBRIDGE 08/19/2015 Reference ID: 3808573