Title: Division of Bacterial, Parasitic and Allergenic Products OVRR/CBER/FDA
1Division of Bacterial, Parasitic and Allergenic
ProductsOVRR/CBER/FDA
2Laboratory Mission and Functions
Assure Safe and Effective Products for
Immunological Control of Bacterial, Parasitic and
Allergenic Agents Affecting Human Health
- Research
- Review
- Post-licensure surveillance
- Inspection/compliance
- Lot release testing/protocol review
- Label/promotional activity review
- Consultations with outside organizations
3DBPAP Role in Regulatory Review and Approval
Pre-IND IND
License
- Meeting with
- sponsors to
- provide guid-
- ance
- Rev. of orig.
- Submission
- all subsequent
- ammendments
- Tech. Advice for
- product and
- assay development
- Rev. product manf.
- data determin-
- ation of prod. specs.
- Meet with sponsors
- Present prod. To
- Advisory Comm.
- Meet with spon-
- sors
- Eval. Assays to
- measure clinical
- response to prod.
- Eval. product
- characterization
- methods assays
- Rev. of final prod.
- manuf. process, in-
- cluding in process
- final product specs.
- Est. lot release protocols
- for CBER product
- release
- Conduct pre-approval
- inspection of the
- facility
4DBPAP Role in Regulatory Review and Approval
Pre-IND IND License Post
Licensure
- Review of Biological Deviation
- reports from industry
- Participation in biannual
- inspections of licensed products
- Review of post approval
- commitments
- Review of subsequent supplements
- for changes to maufacture or
- additional indications
- Meet with sponsors
5New or Improved Products Possible in the Next Ten
Years
- Respiratory Pathogens
- Streptococcus pneumoniae
- Mycobacterium tuberculosis
- Pseudomonas aeruginosa
- Neisseria meningitidis A,B,C
- Group B Streptococci
- Bordetella pertussis
- Chlamydia pneumoniae
- Corynbacterium diphtheriae
- Non-typeable H. influenzae
- Moraxella catarrhalis
- Sexually Transmitted Pathogens
- Neisseria gonorrheae
- Chlamydia trachomatis
- Pathogens Encountered by Penetrating Inoculation
- Borrelia burgdorfi
- Plasmodium species
- Leishmania species
- Clostridium tetani
- Staphylococcus aureus
- Schistosoma species
- Trypanosoma cruzi
- Special Pathogens (BT)
- Bacillus anthracis
- Clostridium botulinum
- Franciscella tularensis
- Yersinia pestis
-
6New or Improved Products Possible in the Next Ten
Years
- Diarrhea-Causing Pathogens
- Enterotoxigenic E. coli
- Shigella species
- Vibrio cholerae
- Campylobacter jejuni
- Other Mucosally-Trafficking Pathogens
- Clostridium difficile
- Salmonella typhi
- Mycobacterium leprae
- Helicobacter pylori
- STEC and EPEC
- Allergenic Antigens
- Latex
- Cockroach
- Short ragweed
- Skin Test Antigens
- PPD
- Coccoidian
- Leishmania
7Division of Bacterial, Parasitic and Allergenic
Products (DBPAP)
Laboratory of Respiratory and Special
Pathogens Drusilla Burns, Ph.D.-Chief
Laboratory of Immunobiochemistry Jay Slater,
M.D.-Chief
Immediate Office of the Director Richard Walker,
Ph.D.-Director Deputy Director Regulatory Staff
Administrative Staff
Laboratory of Bacterial Toxins Willie Vann,
Ph.D.-Chief
Laboratory of Biophysics Richard Pastor,
Ph.D.-Chief
Laboratory of Mycobacterial Diseases and
Cellular Immunology Sheldon Morris, Ph.D.-Chief
Laboratory of Enteric and Sexually Transmitted
Diseases Dennis Kopecko, Ph.D.-Chief
Laboratory of Methods Development and Quality
Control Bruce Meade, Ph.D.-Chief
Laboratory of Bacterial Polysaccharides Carl
Frasch, Ph.D.-Chief
8DBPAP Program Focus Areas
- Standardization of Assay Methods for Bacterial,
Parasitic and Allergenic Substances - LMDQC, LB, LIB, LP, LESTD, LBT, LRSP, LMDCI
- Pertussis and Other Toxin-Mediated Diseases
- LMDQC, LB, LBT, LRSP
- Mycobacterial and Other Intracellular parasites
- LMDCI
- Mucosal Pathogenesis and Immunization
- LESTD
- Allergenic Products and Allergenic Diseases
- LB, LIB
- Products to Combat Bioterrorism Agents
- LMDQC, LB, LESTD, LBT, LRSP, LMDCI
9Laboratory of Methods Development and Quality
Control
- Areas of Research
- Develop, standardize, and evaluate quality
control methods for bacterial vaccines - Develop, evaluate, and apply serological methods
to measure immune response in vaccine trials - Coordinate quality assurance activities within
DBPAP and provide leadership in initiative to
accredit CBER quality control testing
laboratories
- Recent Milestones
- Developed QC methods incorporated into WHO
- acellular pertussis vaccines guidelines
- Leader effort to standardize pertussis
immunoassays - 9 publications evaluating safety and
immunogenicity - of acellular pertussis vaccines
10Laboratory of Bacterial Polysaccharides
- Areas of Research
- Characterization of immune responses to
polysaccharide and conjugate vaccines - Standardization of methods for relevant clinical
application - Development of novel physical and chemical
methods for improved evaluation of licensed and
experimental vaccines - Characterization of innovative approaches to
vaccine development, and evaluation of
epidemiologic aspects of vaccine candidates
- Recent Milestones
- Licensure of pneumococcal conjugate vaccine
- Genetic typing method for gonococcal epidemiology
- Discovered conjugation modifies epitopes in
- polysaccharide vaccine conjugates
11Laboratory of Biophysics
- Areas of Research
- Characterization of biopolymers (polysaccharides,
proteins DNA) and macromolecular assemblies
(vaccine/adjuvant complexes, membranes,
micelles). - High-end instrumentation, including NMR, light
scattering, mass spec. - Computer simulation methods for molecular
modeling and analysis of complex data.
- Recent Milestones
- Simulation of aquaporin in membrane
- NMR based 3-D structure determination of
carbohydrates and of peptides in micelles - Synthesis of multiple antigen peptide (MAP)
12Laboratory of Respiratory and Special Pathogens
- Areas of Research
- Structure/Function Studies of Toxins
- Regulation of Virulence Factors of
- B. pertussis and B. anthracis
- Animal Models of B. pertussis Infection
- Recent Milestones
- Led the effort to license acellular
- pertussis vaccines
13Laboratory of Bacterial Toxins
- Areas of Research
- Characterization of Tetanus Toxin Structure and
Function - Characterization of Iron-Related Virulence
Determinants in C. diphtheriae and B. anthracis - Biosynthesis of bacterial polysaccharides
polysialic acids of E. coli and hyaluronic acid
of B. anthracis
- Recent Milestones
- Licensure of Botulinum type B for cervical
dystonia - Discovery of Heme oxygenase in C. diphtheriae
14The Laboratory of Mycobacterial Diseases and
Cellular Immunology
- Areas of Research
- Evaluation of protective immune responses to
intracellular bacteria - Assessment of DNA vaccination strategies against
tuberculosis - Characterization of a unique family of
tuberculosis proteins
- Recent Milestones
- Licensure of the Lyme Vaccine
- Development of an effective combination
- TB DNA vaccine
15Laboratory of Enterics and Sexually Transmitted
Diseases
- Areas of Research
- Invasion mechanisms of enteric bacterial
pathogens - Genetic regulation of bacterial virulence genes
- Hormonal effects on gonococcal pathogenesis
- Mucosal immunity, dosing and adjuvants
- Anthrax - Genetic analysis and development of
- live attenuated Salmonella-vectored vaccines
- Recent Milestones
- Defined host and bacterial requirements
- Novel MT-dependent C. jejuni invasion system
- Defined DNA sites and transcriptional activator
residues involved in virulence gene regulation
16Laboratory of Immunobiochemistry
- Areas of Research
- Allergen structure and function
- Immunomodulation of allergic
- responses
- Chemokines and chemokine
- receptors in the modulation of
- immune responses
Recent Milestones
- Development of a provisional US standard for
latex - Isolation and characterization of latex allergen
Hev b 5 - Grass pollen allergen extract standardization
- Re-validation of competition ELISA to determine
- potency of grass mite allergen extracts
- Statistical basis for assignment of release
limits - for standardized allergens
- Criteria for prioritization of allergens for
standardization
17Bioterrorism Program
- Research/Review for
- B. anthracis
- F. tularensis
- Y. pestis
- Botulinum toxin
- Research Areas
- Genetic manipulation and regulation
- Virulence factors
- Vaccine improvement
- Immunologic assay standardization
Cutaneous anthrax
infection
18Challenges and Realities Facing
Researcher/Reviewers
- Funding levels uncertain from year to year
dependent upon appropriation process - Bureaucratic hurdles
- Timing of workload determined by sponsor
submissions, not by CBER