ectd: a clinical reviewer’s experience connelly_dia.reviewer... · ectd: a clinical reviewer’s...
TRANSCRIPT
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eCTD: A Clinical Reviewer’s Experience
Sarah M. Connelly, MDMedical OfficerDivision of Antiviral ProductsFDA
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Disclaimer
The views and opinions expressed in the following PowerPoint slides are those of the individual presenter and should not be attributed to Drug Information Association, Inc. (“DIA”), its directors, officers, employees, volunteers, members, chapters, councils, Special Interestemployees, volunteers, members, chapters, councils, Special Interest Area Communities or affiliates, or any organization with which the presenter is employed or affiliated.
These PowerPoint slides are the intellectual property of the individual presenter and are protected under the copyright laws of the United States of America and other countries. Used by permission. All rights reserved Drug Information Association DIA and DIA logo arereserved. Drug Information Association, DIA and DIA logo are registered trademarks or trademarks of Drug Information Association Inc. All other trademarks are the property of their respective owners.
2www.diahome.orgDrug Information Association
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Disclaimer
• Views expressed in this presentation areViews expressed in this presentation are those of the speaker and not, necessarily, of the Food and Drug Administration
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Outline• My Perspective
• NDA Review Process
• EDR/eCTD Viewer
El t f S b i i E l• Elements of Submission - Examples– Organization
Format– Format• Bookmarks• Hyperlinks
– Datasets
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My Typical Workload•Primarily review INDs and NDAs•Responsible for 27 INDs and 3 NDAsIND– Initial 30 day safety review
NDA– Initial application
p
– Clinical responses– Protocol reviews– Clinical Study Reports
– Supplements (efficacy, safety, pharmacology)
– Periodic Safety Update Clinical Study Reports– Annual reports– Safety reports
Investigator Brochures
Reports
– Investigator Brochures– Clinical Holds/Responses– End Of Phase 1, 2, 3 Meetings– Pre-NDA Meetings
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NDA Review Process
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Life before e-submissions…
http://www.circare.org/images/fda_ndaboxes.jpg
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Access using EDR
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eCTD Viewer
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My Focus in eCTD Viewer
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Sample Outline for NDA Clinical ReviewNDA Clinical Review
1 RECOMMENDATIONS/RISK BENEFIT ASSESSMENT1.1 Recommendation on Regulatory Action1.2 Risk Benefit Assessment1.3 Recommendations for Postmarket Risk Evaluation and Mitigation Strategies1.4 Recommendations for Postmarket Requirements and Commitments2 INTRODUCTION AND REGULATORY BACKGROUND2.1 Product Information
7 REVIEW OF SAFETYSafety Summary7.1 Methods7.1.1 Studies/Clinical Trials Used to Evaluate Safety7.1.2 Categorization of Adverse Events7.1.3 Pooling of Data Across Studies/Clinical Trials to Estimate and Compare Incidence7.2 Adequacy of Safety Assessments
2.2 Tables of Currently Available Treatments for Proposed Indications2.3 Availability of Proposed Active Ingredient in the United States2.4 Important Safety Issues With Consideration to Related Drugs2.5 Summary of Presubmission Regulatory Activity Related to Submission2.6 Other Relevant Background Information3 ETHICS AND GOOD CLINICAL PRACTICES3.1 Submission Quality and Integrity3.2 Compliance with Good Clinical Practices
q y y7.2.1 Overall Exposure at Appropriate Doses/Durations and Demographics of Target
Populations7.2.2 Explorations for Dose Response7.2.3 Special Animal and/or In Vitro Testing7.2.4 Routine Clinical Testing7.2.5 Metabolic, Clearance, and Interaction Workup7.2.6 Evaluation for Potential Adverse Events for Similar Drugs in Drug Class7.3 Major Safety Results
3.3 Financial Disclosures4 SIGNIFICANT EFFICACY/SAFETY ISSUES RELATED TO OTHER REVIEW
DISCIPLINES4.1 Chemistry Manufacturing and Controls4.2 Clinical Microbiology4.3 Preclinical Pharmacology/Toxicology4.4 Clinical Pharmacology4.4.1 Mechanism of Action4 4 2 Pharmacodynamics
7.3.1 Deaths7.3.2 Nonfatal Serious Adverse Events7.3.3 Dropouts and/or Discontinuations7.3.4 Significant Adverse Events7.3.5 Submission Specific Primary Safety Concerns7.4 Supportive Safety Results7.4.1 Common Adverse Events7.4.2 Laboratory Findings7 4 3 Vit l Si4.4.2 Pharmacodynamics
4.4.3 Pharmacokinetics5 SOURCES OF CLINICAL DATA5.1 Tables of Studies/Clinical Trials5.2 Review Strategy5.3 Discussion of Individual Studies/Clinical Trials6 REVIEW OF EFFICACYEfficacy Summary6 1 Indication
7.4.3 Vital Signs7.4.4 Electrocardiograms (ECGs)7.4.5 Special Safety Studies/Clinical Trials7.4.6 Immunogenicity7.5 Other Safety Explorations7.5.1 Dose Dependency for Adverse Events7.5.2 Time Dependency for Adverse Events7.5.3 Drug-Demographic Interactions7 5 4 D Di I t ti6.1 Indication
6.1.1 Methods6.1.2 Demographics6.1.3 Subject Disposition6.1.4 Analysis of Primary Endpoint(s)6.1.5 Analysis of Secondary Endpoints(s)6.1.6 Other Endpoints6.1.7 Subpopulations6 1 8 Analysis of Clinical Information Relevant to Dosing Recommendations
7.5.4 Drug-Disease Interactions7.5.5 Drug-Drug Interactions7.6 Additional Safety Evaluations7.6.1 Human Carcinogenicity7.6.2 Human Reproduction and Pregnancy Data7.6.3 Pediatrics and Assessment of Effects on Growth7.6.4 Overdose, Drug Abuse Potential, Withdrawal and Rebound7.7 Additional Submissions / Safety Issues8 POSTMARKET EXPERIENCE6.1.8 Analysis of Clinical Information Relevant to Dosing Recommendations
6.1.9 Discussion of Persistence of Efficacy and/or Tolerance Effects6.1.10 Additional Efficacy Issues/Analyses
8 POSTMARKET EXPERIENCE9 APPENDICES 9.1 Literature Review/References
9.2 Labeling Recommendations9.3 Advisory Committee Meeting
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My Approach
• Big Ticket Folders:Cli i l S S f t Effi– Clinical Summary: Safety, Efficacy
– Draft Labeling– ISE/ISS– Clinical Study Report(s)– Datasets and Dataset Definitions
• Competing Workload + Compressed Schedule → High Quality eCTD submissions Help review process
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Goal• Translate efficacy and safety data into a
comprehensive review and labelp
• Understand how key analyses performed
• Perform confirmatory and individualized exploratory analyses as appropriateexploratory analyses as appropriate
• Minimize time spent on:p– searching for supportive data– decoding datasets– rectifying discordant Sponsor/Reviewer resultsrectifying discordant Sponsor/Reviewer results
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Aspects of High Quality eCTD Submission
• Organization
• FormatTable of Contents– Table of Contents
– Bookmarks– HyperlinksHyperlinks
• Datasetsatasets
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Organization• Use “Comprehensive Table of Contents
Headings and Hierarchy”
• Clinical Summary ≠ ISE, ISS– April 2009 Guidance– “ISE and ISS are required in applications
submitted to the FDA in accordance with thesubmitted to the FDA in accordance with the regulations for NDA submissions”
• (21 CFR 314.50(d)(5)(v) and 21 CFR 314.50(d)(5)(vi)(a))
– “clinical summary sections should not beclinical summary sections should not be considered the appropriate location for the ISE or ISS, with rare exceptions.”
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PDF in appropriate format
Help Hindrance
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Bookmarks• Contained within Table of Contents• Hyperlink to the Reference
Ch k t k H li k k• Check to make sure Hyperlinks work
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Hyperlinks• Where: Table of Contents
Throughout the body of the document» Related sections, references, appendices,
tables, or figures not located on same page
• Why: Improves navigation efficiency
• Refer to PDF Specification and eCTD GuidancePDF Specification:http://www.fda.gov/downloads/Drugs/DevelopmentApprovalProcess/FormsSubmissionRequirements/ElectronicSubmissionhttp://www.fda.gov/downloads/Drugs/DevelopmentApprovalProcess/FormsSubmissionRequirements/ElectronicSubmissions/UCM163565.pdfeCTD Guidance:http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM072349.pdf
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Hyperlinks: Data Source
Hyperlink takes me to Page 1 of the 156 page Define.XML file
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HyperlinksReferences, Appendices, pp
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Hyperlinks: Narratives
Helpful: Embed link within body of textp y
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Hyperlinks: NarrativesHelpful: Organized by Death, Premature D/C, SAE
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Hyperlinks: Narratives
• Helpful: Link directly with Subject Narrative
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Hyperlinks: Narratives
• Not Helpful: Link to Synopsis
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Hyperlinks: Narratives
• Not Helpful: Link to Clinical Study Report (p. 1), No Direct Link to Subject NarrativeNo Direct Link to Subject Narrative
Takes you to p.1 CSR -> y pFind Deaths in TOC ->
Click on Hyperlink to find:
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Dataset DefinitionsDefinitions not provided
Start/Stop Date Start/Stop DayStart/Stop Relative to Reference Day
EPOCH, Treatment Period
Need for Clarification takes Time Away from Review
Concomitant Medications
y
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Dataset Size
• Non SDTM dataset files should be generally <400 MB per file<400 MB per file
W d di i f d t• We recommend discussion of data requirements with the review division prior to submittingsubmitting
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Dataset Files
•Clearly named (1, 2, 3)
•Grouped by lab type (chem, heme, etc)
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Summary
• eCTD format simplifies the review process• eCTD format simplifies the review process– Clinical reviewers have competing priorities and
established timelines
• Appropriate organization, format, hyperlinks pp p g ypand dataset submissions maximizes eCTD usefulness
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