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What’s an “Equivalent” Swab?
Revisiting “Cleaning Verification”
The Rationale for Rinse Sampling for Cleaning Agents
“Continued” vs. “Continuous” Process Verification
Use of Multiple Swabs for Sampling
“Design Space” for Cleaning Processes
The Changing Paradigm for Cleaning Validations
Revisiting Linearity of Swab Recovery Results
Use of Alkali/Acid Cleaning Agents in Biotech
The Science Behind Limits
What’s Happening to Worst-case Process Conditions?
Differing Ways to Express Limits
Another Alternative for Rinse Sampling Limits
Limits for Rinse “Grab” Samples
Solvent Reflux Sampling Recovery
Limits for Topicals
Are We Setting Limits Correctly?
Sampling Recovery for Biotech
Do Three Verifications Make a Validation?
What’s Happening to Revalidation?
Still More on Floors and Walls
More on Floors and Walls
What Have We Learned in the Last Two Decades?
Canada’s Revised Guidelines
A Stroll Down Memory Lane
Can Protocols Use Limit Tests?
More on Limits for API Manufacture
Measuring Residues of Volatile Solvents?
Downsides to TOC?
TOC Analytical Method Validation
Master Plans vs. Policies
Spiking Amounts for Sampling Recovery Studies
Issues in Campaigns
Revisiting Medically Safe Limits
Limits for Bulk Biotech Manufacture – Part 2
Limits for Bulk Biotech Manufacture – Part 1
Microbiological Test Method Validation?
Dealing with Deviations in the CEHT
Dealing with Deviations in the DEHT
Use of Sampling Templates
CV for General Room Surfaces?
CEHT for Sterilized Equipment
Surface Roughness and Cleaning
FTIR with Fiberoptic Sampling
Ion Mobility Spectrometry
Measuring Bioburden in Protocols
More on Using Rinse Sampling Alone
Separating CEHT Protocols from Cleaning Protocols
Bioburden Proliferation in CEHT Protocols
Acceptance Criteria for Dedicated Equipment
Selecting the Swab Sampling Area
Averaging Swab Sample Results?
Limits for Rinse “Grab” Samples
More on Limits for Formulated Cleaning Agents
Issues in Limits for Formulated Cleaning Agents
Revisiting Cleaning Validation for Medical Devices
Setting Limits Based on Process Capability?
Objectionable Microorganism Concept in Cleaning Validation
Cleaning Validation for Packaging Equipment: Part 2
Cleaning Validation for Packaging Equipment: Part 1
Dealing with Unknown Peaks
Understanding the Cleaning Process
Establishing Adequate Solubility for TOC Analysis
Is Rinse Sampling Alone Acceptable?
Selecting Worst-Case Products for Grouping
Issues in the Visual Examination of Equipment Surfaces
More on Specificity of Analytical Methods
Cleaning After a Media Fill
TOC Issues: Part 3 – Blanks for Recovery Studies
TOC Issues: Part 2 - Appropriate Blanks
TOC Issues: Part 1 - Sampling Materials
Defining Three “Consecutive” Runs
Endotoxin Issues in Cleaning Validation
Monitoring a Validated Cleaning Process
Revalidation
Correlation of TOC with a Specific Analytical Method?
PAT and Cleaning Validation
Correlation of Swab and Rinse Sample Results?
Why TOC is Acceptable
Adequate “Documented Evidence” for Cleaning Validation
Limits for Drugs with Multiple Actives
What’s Really Different About Biotech?
Using Statistics in Sampling?
Is a Dirty Swab a “Visually Clean” Failure?
Using Sampling Recovery Percentages
More on DEHT Issues
Additional Considerations in Recovery Studies Part 2
Additional Considerations in Recovery Studies Part 1
Recovery Studies for Rinse Sampling
Sampling the Sampling Rinse
Selecting Swab Sampling Sites
Worst-case Process Conditions
Recovery Studies for Microbial Sampling?
Cleaning Validation for Medical Devices
Understanding and Applying “Visually Clean”
What’s a Contaminant?
The Use of Default Limits
The Use of Safety Factors in Limits Calculations
What’s a “Dose” for Calculating Limits?
Cleaned Equipment Hold Time
Dirty Equipment Hold Times
Handling Sampling Recovery Results
Equipment Grouping Strategies for Cleaning Validation
Product Grouping Strategies for Cleaning Validation
Water Quality for Validated Cleaning Processes
Setting “Dose” Limits without Dosing Information
Cleaning for Manufacture of Clinical Trial Materials (CTMs)
The New FDA Compliance Program Guidance Manual and Cleaning Validation
Validation of Analytical Methods
Specificity of Analytical Methods
Happy Holidays
Campaigns and Dedicated Equipment
The Applicability of Cleaning Validation
Specific Documents
Human Drug CGMP
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Featured Items
February Cleaning Memo
- Revisiting “Cleaning Verification”
February Webinar
- Using Dose-based Limit Calculations - Feb. 25
Special Asia Webinars
Online Good Cleaning Validation Seminar
- April 12-15, 2010
FDA Drug School Presentation
- PDF Copy
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