division of microbiology assessment · u.s. food & drug administration ... ph. d. patricia...
TRANSCRIPT
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Division of Microbiology Assessment: Who we are, what we do and our
recommendations to industry
John Arigo, Ph.D. Branch Chief (Acting)
Division of Microbiology Assessment
Office of Process & Facilities
Office of Pharmaceutical Quality
Center for Drug Evaluation & Research
U.S. Food & Drug Administration
2016 GPhA CMC Workshop
May 17-18, 2016
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Office of Pharmaceutical Quality
Office of Program
and Regulatory Operations
Office of Policy for
Pharmaceutical Quality
Office of Testing and Research
Office of New Drug Products
Office of Biotechnology
Products
Office of Lifecycle Products
Office of Process
and Facilities
Office of Surveillance
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OPF Mission Statement
OPF assures that quality pharmaceuticals are
consistently manufactured over the product
lifecycle
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Office of Process and Facilities
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OPF Immediate
Office
Division of Process
Assessment I
Branch 1
Branch 2
Branch 3
Division of Process
Assessment II
Branch 4
Branch 5
Branch 6
Division of Process
Assessment III
Branch 7
Branch 8
Branch 9
Division of Microbiology Assessment
Branch 1
Branch 2
Branch 3
Branch 4
Division of Inspectional Assessment
Branch 1
Branch 2
Branch 3
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Lynne Ensor, Ph.D. Division Director (Acting)
John Arigo, Ph. D. Branch Chief (Acting)
Jesse Wells, Ph. D. &
Erika Pfeiler, Ph. D. Quality Assessment Leads
(Acting)
Eric Adeeku, Ph. D.
George Arhin, Ph. D.
Elizabeth Bearr, Ph. D.
Maria Cruz-Fisher, Ph. D.
Peggy Kriger, Ph. D.
Helen Ngai, Ph. D.
Vinayak Pawar, Ph. D.
Koushik Paul, Ph. D.
Jennifer Patro, Ph. D.
LT Jonathan Burgos, Ph. D.
Vacant
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Administrative Support
Melody Lescalleet
Sheila Henson
BRANCH I BRANCH IV BRANCH III BRANCH II
Bryan Riley, Ph. D. BC (Acting)
Steve Langille, Ph. D. BC (Acting)
Patricia Hughes, Ph.D. BC (Acting)
Nandini Bhattacharya,
Ph.D. &
Neal Sweeney, Ph. D. QALs (Acting)
John Metcalfe, Ph. D. &
LCDR Jessica Cole, Ph.D. QALs (Acting)
Colleen Thomas, Ph. D. &
Maria Candauchacon, Ph.D. QALs (Acting)
Yuansha Chen, Ph. D.
Bernard Marasa, Ph. D.
Denise Miller
Nutan Mytle, Ph. D.
Lisa Shelton, Ph. D.
Wendy Tan, Ph.D.
Samata Tiwari, Ph. D.
Jason God, Ph.D.
Alifiya Ghadiali, Ph. D.
Vacant
Vacant
Marla Stevens-Riley, Ph. D.
David Bateman, Ph. D.
Yeissa Chabrier-Rosello, Ph.D.
Julie Nemecek, Ph. D.
Dupeh Palmer, Ph. D.
Yarery Smith, Ph. D.
Jonathan Swoboda, Ph. D.
Daniel Schu, Ph. D.
Zachary Cusumano, Ph. D
Maria Manso, Ph. D.
Vacant
Bo Chi, Ph. D.
Candace Gomez-Broughton, Ph. D.
Lakshmi Narasimhan, Ph.D.
Cindy Tang, Ph. D.
Maria Barragan, Ph. D.
Natalia Pripuzova, Ph. D.
Anita Khatiwara, Ph. D.
Monica Markovski, Ph. D.
Vacant
Vacant
Vacant
Vacant
Program Support
Vera Viehmann
Jean Tang
Division of Microbiology Assessment
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Branches I-III (small molecules)
• Legacy OPS/IO (NDMS) & OGD Division of
Microbiology
• Assessment of:
– NDAs (originals & supplements)
– ANDAs (originals & supplements)
– INDs
– DMFs
– Meeting packages
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Branch IV (large molecule)
• Portion of legacy OC/BMAB staff
• Assessment of: – BLAs (originals & supplements)
– INDs
– DMFs
– Consults from other centers (e.g., CBER, CDRH, CVM)
– Meeting Packages
• Inspections – Typically lead PAI/PLI inspections for BLA drug substance
– Participate as SMEs on other BLA inspections
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OPF Product Quality Microbiology
• Risk-based analysis of:
– Manufacturing process/techniques
• sterility assurance supporting validation studies
– Microbial process controls
– Finished product quality attributes
• sterility, endotoxins, bioburden, container
closure integrity, antimicrobial effectiveness
– Both Drug Substance & Product
– Application & Facility
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OPF Product Quality Microbiology
• Risk-based analysis to:
– Focus on impact on patient safety
– Limit potential harmful effects of
microorganisms on drug product
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DMA Benefits
• Harmonization on microbiology-related policy
• Centralization for CDER product quality
microbiology-related policy development and
response to inquiries
• Flexibility of resources
• Staff professional development and cross-
training
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Additional DMA Activities
• Subject matter experts for emerging
issues:
– Drug shortage & recall activities
– Facility issues
– Drug issues (focus on potential contamination concerns)
• Participation in policy development
– With both internal & external organizations
(e.g., FDA, PDA, USP, AAMI, GPhA, etc.)
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Additional DMA Activities (2)
• Collaboration/Outreach with scientific
organizations
• Training
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Common Topics and
Recommendations for Industry
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Admin / Organization
• Recommendation: Make it easy to read
– Introduction and summaries
• “Autoclave X was qualified by performing 3 empty
chamber HD runs and 3 worst case HP/BI runs in
2016. The worst case load covers all loads
proposed for production – Results are provided on
page 18….”
• Provide summaries of results as well. Min/max
temperatures achieved, min/max F0, BI results.
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Admin / Organization
• Make it easy to read
– Give the simple things
• Machine, autoclave, and filling line name, room
numbers, etc.
• i.e., Don’t assume we know that only one filling line
is in the building
– English Translations
– Why?: Faster and more efficient review 15
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Sterilizing Filtration
• Increase in the use of pre-sterilized,
commercially available filling/filtration
trains.
• Pre-packaged and pre-sterilized sterilizing
filter, tubing, large flexible bag, etc.
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Sterilizing Filtration – Recommendation: Clearly mention the use of
this in the application
• Reference DMF if necessary
– Clearly indicate responsible party for
sterilization of system
– If you are sterilizing it too, tell us!
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Sterilizing Filtration – Why?: Avoid deficiencies concerning the
content of equipment loads or equipment
included in SIP validations
– Not captured by ‘worst case’ loads
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Sterilizing Filtration
• Re-use of sterilizing grade filters during
production campaigns
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Sterilizing Filtration • Recommendation:
- Avoid sterilizing filter re-use (when possible)
- Indicate the maximum number of times filter
may be re-used or re-sterilized
- Utilize ‘worst case’ conditions during media fills
and bacterial retention studies
• Why?:
– Validate the filter’s retentive capabilities after
maximum number of proposed sterilizations
and/or re-uses
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Drug Master Files
• DMFs tend to cause confusion and
potentially decrease review and
application approval efficiency
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Drug Master Files
– Recommendation: Clearly indicate where
appropriate validation information can be found
(e.g., LOAs)
– Electronic DMF submissions
– If possible, provide information in application
– Why?: Avoid deficiencies concerning absent or
confusing validation data
– Increase review efficiency and speed approval
process
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Reconstitution/Dilution Storage
• Applications missing assessment of
microbiological quality following product
penetration
• Post-reconstitution or dilution
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Reconstitution/Dilution Storage
• Recommendation:
– Provide risk assessment data to support the proposed
post-penetration holding parameters per product
labeling
– ‘Adapted’ USP<51> Antimicrobial Effectiveness Testing
• Why?:
– Understanding of the risk associated with product
labeling with regard to in-use stability and/or diluent
compatibility claims
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Bulk Bioburden Sampling
• Recommendation:
– Test the bulk solution prior to any filtration (i.e., prior to
0.45mm or 0.2mm pre filters)
• Why?: Sampling after filtration doesn’t tell you
how well controlled the bulk solution is. Can give
a false impression. Microbial metabolites can
pass through the filters. (QbD)
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• Misinterpretation of BI incubation time for DP
manufacturing facilities
• 7 days vs 24 hours
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Biological Indicators in
Validation/Qualification
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BIs in Validation/Qualification
• USP <55> (Biological Indicators)
“Incubate each tube at the optimal recovery temperature specified
by the manufacturer. Observe each inoculated medium-containing
tube at appropriate intervals for a total of 7 days after inoculation.”
• ISO 11138 “An incubation period is commonly recognized to be 7 days for
established sterilization processes, such as moist heat.”
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Center for
Food Safety
and Applied
Nutrition
Center for Drug
Evaluation and
Research
Center for
Biologics
Evaluation and
Research
Center for
Devices and
Radiological
Health
Center for
Tobacco
Products
Center for
Veterinary
Medicine
National Center
for
Toxicological
Research
Office of
Regulatory
Affairs
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BI for Validation/Qualification
• Recommendation:
– Incubate BIs used in validation studies for at least 7
days
• Why?:
– Reduced incubation time clearance is for healthcare
facilities – not drug product manufacturing sites.
• The clearance for reduced time denotes that 97% of positive
indicators show growth during the incubation period.
• Is that acceptable for your facility?
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Product Endotoxins Testing
• Pooling of samples, generally for small-
volume parenterals (NMT 100 mL)
• Question: Why do you do this?
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Product Endotoxins Testing
• Recommendation:
– Pooling acceptable, NMT 3 units
– MVD adjusted to proportional, lower value
– “Adjusted MVD” = MVD / # samples pooled
• Why?:
– Ensure test method’s ability to overcome potential
product-related interference or enhancement
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Media Fill Process Simulation
• Recommendation: Clearly indicate the
maximum proposed time for filling during
production
• Why?: We will routinely ask for the maximum
proposed commercial filling duration and want to
see that the process simulation studies can
support it.
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Supplement Filing Tips
• Clear list of all changes up front (cover letter and
intro pages of submission) – Change #1: New rubber stopper
– Change #2: Increased filling duration
– Change #3: Alternate autoclave load
• What are you changing from?
– Don’t assume that we have all of the prior reviews /
submissions easily accessible. Might have been
reviewed 10 years ago and not accessible.
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Supplement Filing Tips
• If your proposed filing category is based on a prior
approval:
– When and what was approved in the past? What line #,
what machine #, what ANDA #, date, copy of the
approval (if not a confidential CMO issue)
• Make it logical:
– “We propose CBE-30 because this filling line was
previously approved in ANDA 12345 on Jan 1, 2015
and nothing else is changing”
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References
• Guidance for Industry for the Submission of Documentation
for Sterilization Process Validation in Applications for
Human and Veterinary Drug Products http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM072171.pdf
• Guidance for Industry: Sterile Drug Products Produced by
Aseptic Processing – Current Good Manufacturing Practice http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM070342.pdf
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References (2)
• Guidance for Industry: Container and Closure System
Integrity Testing in Lieu of Sterility Testing as a
Component of the Stability Protocol for Sterile Products
– 2008 http://www.fda.gov/downloads/RegulatoryInformation/Guidances/UCM146076/pdf
• Guidance for Industry: Pyrogen and Endotoxins Testing:
Questions and Answers - 2012 http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm314718.htm
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References (3)
• Guidance for Industry: Comparability Protocols –
Chemistry, Manufacturing, and Controls Information –
Draft 2/03 http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM070545.pdf
• Guidance for Industry: Changes to an Approved NDA or
ANDA – 2004 http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm077097.pdf
• Guidance for Industry: ANDA Submissions – Refuse-to-
Receive Standards – 2013 http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM370352.pdf
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Technical Questions
• How to submit Control Correspondences http://www.fda.gov/downloads/Drugs/GuidanceCompliance
RegulatoryInformation/Guidances/UCM411478.pdf
• Mail to: [email protected]
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Summary
• OPQ/OPF’s DMA performs product quality
assessment of new, generic & biologic products
• Many reference documents available to describe
application expectations
• OPQ Holistic assessment to ensure safe, quality
products are available to consumers
– Quality by Design
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