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208582Orig1s000 CENTER FOR DRUG EVALUATION AND RESEARCH APPLICATION NUMBER: 208582Orig1s000 CLINICAL REVIEW(S) Medical Officer’s Review of NDA 208-582 Class 2 Resubmission NDA 208-582 Submission Date: June 28, 2017 Resubmission Received Date: June 28, 2017 SDN-16, -018 Review Date: September 12, 2017 Applicant: Altaire Pharmaceuticals, Inc. P.O. Box 849, 311 West Lane Aquebogue, NY 11931 Contact: Michael S. Sawaya, General Counsel 631-722-5988 ext. 32 Drug: (b) (4) (fluorescein sodium and benoxinate hydrochloride ophthalmic solution) 0.25%/0.4% Pharmacologic Category: disclosing agent and anesthetic combination Submitted: Submitted June 28, 2017, is a resubmission of NDA 208582 (b) (4) (fluorescein sodium and benoxinate hydrochloride ophthalmic solution) 0.25%/0.4%, for topical use. The original NDA was submitted on December 22, 2015. A Complete Response (CR) letter dated June 22, 2016, was issued. An amendment to the resubmission was submitted on: 8/11/17 (SDN-18). Applicant now believes that the deficiencies identified in the CR regarding product quality and facilities inspections have been rectified. A safety update is also included in this submission. The request for a proprietary name review was submitted under a separate document (SDN-17). Reviewer’s Comments: No change in the safety profile was identified in the safety update provided in the June 28, 2017, submission. From a clinical perspective, our conclusion on the safety and efficacy of (b) (4) as a disclosing agent and anesthetic combination is unchanged. See original Clinical review finalized May 28, 2016, in DARRTS. Attached is the Agency’s recommended draft labeling with its edits to the applicant’s labeling submitted on June 28, 2017. The carton/container labeling submitted on August 11, 2017, is reviewed as well. Conclusion/Recommended Regulatory Action: NDA 208-582 is recommended for approval from a clinical perspective with the labeling revisions identified in this review, pending resolution of any remaining CMC or facility issues. Rhea A. Lloyd, MD Medical Officer 7 Page(s) of Draft Labeling have been Withheld in Full as b4 (CCI/TS) immediately following this page Reference ID: 4166002 --------------------------------------------------------------------------------------------------------- This is a representation of an electronic record that was signed electronically and this page is the manifestation of the electronic signature. --------------------------------------------------------------------------------------------------------- /s/ ---------------------------------------------------- RHEA A LLOYD 10/11/2017 WILLIAM M BOYD 10/12/2017 Reference ID: 4166002 NDA 208582 (b) (4) (fluorescein sodium and benoxinate hydrochloride ophthalmic solution) 0.25%./0.4% Material Reviewed/Consulted Names of discipline reviewers Medical Officer Review Rhea Lloyd, William Boyd 5/25/2016 Statistical Review Yungfan Deng, Yan Wang 3/9/2016 Pharmacology Toxicology Review Maria Rivera, Lori Kotch 6/8/2016 Clinical Pharmacology Review Yongheng Zhang, Phil Colangelo 4/7/2016 OPQ Review 5/24/2016, 6/7/2016, 6/15/2016 Application Team Lead Chunchun Zhang Drug Substance Gaetan Ladourceur Drug Product Yushi Feng Process Bidya Pai Microbiology Denise Miller Facility Vidya Pai Biopharmaceutics Banu Zolnik Regulatory Business Process Manager Erin Andrews ORA Lead Paul Perdue CDTL Review William Boyd 6/17/2016 OPDP Meena Ramachandra 6/13/2016 OSE/DMEPA label review Michelle Rutledge, Yelena Maslov 6/2/2016 DMEPA Proprietary name review Michelle Rutledge, Lubna Merchant 4/21/2016 Proprietary name granted Ginneh Stowe, Todd Bridges 4/21/2016 Pediatric Review Committee Minutes Meshaun Payne 6/8/2016 Project Manager Michael Puglisi OND=Office of New Drugs OPQ=Office of Pharmaceutical Quality OPDP=Office of Prescription Drug Promotion OSI=Office of Scientific Investigations CDTL=Cross-Discipline Team Leader OSE= Office of Surveillance and Epidemiology DEPI= Division of Epidemiology DMEPA=Division of Medication Error Prevention and Analysis DRISK=Division of Risk Management OPQ – Office of Product Quality review includes drug substance, drug product, manufacturing process, microbiology, facility and biopharmaceutics. DMPP =Division of Medical Policy Programs CDER Division Director Summary Review Template 2015 Edition 2 Version date: July 29, 2015. For initial rollout (NME/original BLA reviews) Reference ID: 3949355 NDA 208582 (b) (4) (fluorescein sodium and benoxinate hydrochloride ophthalmic solution) 0.25%./0.4% Table of Contents 1. Benefit-Risk Assessment...................................................................................................4 2. Background .......................................................................................................................4 3. Product Quality..................................................................................................................5 4. Nonclinical Pharmacology/Toxicology...........................................................................10 5. Clinical Pharmacology ....................................................................................................12 6. Clinical Microbiology .....................................................................................................12 7. Clinical/Statistical-Efficacy.............................................................................................12 8. Safety...............................................................................................................................17 9. Advisory Committee Meeting .........................................................................................22 10. Pediatrics .........................................................................................................................22 11. Other Relevant Regulatory Issues ...................................................................................22 12. Labeling...........................................................................................................................22 13. Postmarketing..................................................................................................................22 Appendix A – Literature References .............................................................................................23 Appendix B - Synopsis of Publications .........................................................................................25 CDER Division Director Summary Review Template 2015 Edition 3 Version date: July 29, 2015. For initial rollout (NME/original BLA reviews) Reference ID: 3949355 NDA 208582 (b) (4) (fluorescein sodium and benoxinate hydrochloride ophthalmic solution) 0.25%./0.4% 5. Clinical Pharmacology The clinical pharmacology review notes that the submission is a literature-based 505(b)(2) application and the applicant has not conducted any clinical safety and efficacy studies, or any PK or clinical pharmacology studies to support the NDA. The Clinical Pharmacology review team recommends the statement to this effect be included in the labeling and recommends approval. 6. Clinical Microbiology Not Applicable 7. Clinical/Statistical-Efficacy In support of the present NDA, the Applicant submitted over 30 publications of clinical studies ranging from prospective controlled studies to retrospective review of patients from clinical practice in adult and pediatric patients. In these studies, as discussed in the Medical Officer and CDTL Reviews, the determination of efficacy is compared with other anesthetic agents, or studies of anesthetic with or without fluorescein, as well as studies of different concentrations of the individual products. For the purpose of demonstrating efficacy, often the patient serves as his/her own control, representing a type of historical control as discussed in the Guidance to Industry - Providing Clinical Evidence of Effectiveness for Human Drug and Biological Products (May 1998). Many of the publications discuss the use of fluorescein and benoxinate during Goldman applanation tonometry (GAT), a procedure to determine the intraocular pressure (IOP); to evaluate patients at risk for developing glaucoma. Most tonometers are calibrated to measure pressure in millimeters of mercury (mmHg). In applanation tonometry the intraocular pressure (IOP) is inferred from the force required to flatten (applanate) a constant area of the cornea. The Goldmann tonometer is the most widely used version in current practice, other tonometers are available. After instillation of a drop of drug product, the procedure involves a special disinfected prism mounted on the tonometer head that is placed against the cornea. The examiner then uses a cobalt blue filter to view two green semi circles. The force applied to the tonometer head is then adjusted using a dial connected to a variable tension spring until the inner edges of the green semicircles in the viewfinder meet. When an area of 3.06 mm (0.120 in) has been flattened, the opposing forces of corneal rigidity and the tear film are roughly approximate and cancel each other out allowing the pressure in the eye to be determined from the force applied. Due to the subjective nature of optical endpoint and inter- and intra-observer variability, it should be assumed there may be an error of 2 mmHg in the reading. The combination of the disclosing agent and local anesthetic may be helpful in visualizing injury to the cornea that must be treated or objects that need to be removed. CDER Division Director Summary Review Template 2015
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