isolator for sterility from the customer needs to the ... · • aeration time and running cost •...
TRANSCRIPT
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Slide 1 © PharmOut 2017
ISOLATOR For SterilityTesting
From The Customer Needs To The Qualification On Site
Charles Daviau GETINGE La Calhène
2017 July 25th
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Slide 2 © PharmOut 2017
Table of Content
CONTENT:
REMINDER
THE ISOLATOR
METHOD OF CHOICE
SOLUTIONS
CONCLUSION
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Slide 3 © PharmOut 2017
Sterility Testing Reminder
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Slide 4 © PharmOut 2017
What Is The Sterility Testing?
Definition:
• Sterility testing is required for monitoring all products that are manufactured according to GMP and purporting to be sterile.
• Sterility testing is the last test practiced on sterile finished products: antibiotic powders, injectable liquids, ophthalmic products… before giving them the authorization to go on the market.
• Sterility testing is a destructive test.
• Two methods are described with number of samples to use, the 2 culture media to use and the 2 temperatures of incubation:
• 0.45 micron membrane filtration (method of choice)
• Direct inoculation
• Time of incubation and quarantine is 14 days.
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Slide 5 © PharmOut 2017
Why?
• Industry perspective:
• No false positive (showing positive test / non sterile drug although it is sterile, i.e. re-contamination of it during testing)
• Efficiency, cost
• Regulation perspective:
• No false negative (showing negative test / sterile drug although it is non-sterile, i.e. usually H2O2 penetration prior or during testing)
• Agree with alternatives methods, with justifications
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Slide 6 © PharmOut 2017
Regulations / Guideline
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Slide 7 © PharmOut 2017
Why an Isolator?
• A physical barrier between operator and product• To reduce Risks of external contamination
• A working volume with controlled atmosphere
“Isolators are devices that provide for total separation between one environment and another. An
isolator does not directly exchange air with the surrounding environment and all air must enter through a
HEPA or ULPA filtration system. All transfer of material into the isolator must be accomplished while
maintaining complete environmental separation. The interior of the isolator, and all equipment contained
therein, must be sterilizable in a highly reproducible manner”.
James Akers
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Slide 8 © PharmOut 2017
Isolator vs LAF Cabinet
• Traditional clean room technology A/B
• RABS in grade B cleanroom
• BSC / LAF in grade B cleanroom
• Downflow booth
• PPE Personnel Protective Equipment
BSC & CLEANROOM
CLOSED BSC
Traditional A/B
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Slide 9 © PharmOut 2017
Why Isolator and not LAF Cabinet?
• To be able to test cytotoxic drugs / potent products without any risk for the operator
• To use the safest way for waste disposal
• To ensure reproducible and validated bio decontamination cycles
• A leaktight volume which can be traceable, measurable, « monitor able »
• But it ‘s mainly a reduced area close to the product , easy to clean and easy to bio decontaminate (6 log reduction, ATCC 12980 Bacillus Stearothermophilus).
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Slide 10 © PharmOut 2017
THE ISOLATOR
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Slide 11 © PharmOut 2017
Isolator Principle
Please draw me an isolator……
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Slide 12 © PharmOut 2017
Isolator Principle
VENTILATION &
FILTRATION
• Positive pressure
• Negative pressure
• Turbulent flow (ETF)
• Unidirectional flow (UDF)
BIO DECONTAMINATION
TRANSFER
BatchContinuous
Dynamic output Sterilization tunnel
DPTE® transfer OvenAutoclave
chemical airlock
MANIPULATION
Half-suitGlove/ sleeveDPTE® suit
CONTAINMENT (isolator)
• Flexible wall
• Rigid wall
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Slide 13 © PharmOut 2017
The Containment
• 316L base
• Soft wall
• Rigid wall of 316L/glass or PMMA
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Slide 14 © PharmOut 2017
Manipulation
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Slide 15 © PharmOut 2017
Biodecontamination /Sterilisation
CORE STERILIZATIONCONTACT STERILIZATION
AutoclaveOven
Steam
Vaccuum
Dry heat
Gaz sterilant
Isolator
RESULTS :
S.L.R. 106 spores
S.L.R. = Spore Log Reduction
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Slide 16 © PharmOut 2017
Biodecontamination
ClO2
H2O2
NO2
Formaldehyde
Peracetic acid
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Slide 17 © PharmOut 2017
Transfer
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Slide 18 © PharmOut 2017
Ventilation: Positive Pressure
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Slide 19 © PharmOut 2017
METHOD OF CHOICE
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Slide 20 © PharmOut 2017
How to Define?
CONFIDENTIAL - SEMINAR -April 2016
Inventory of the load
Check the feasibility
Load study
Validation on site
Sterility test method
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Slide 21 © PharmOut 2017
Regulations / Guideline
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Slide 22 © PharmOut 2017
Inventory
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Slide 24 © PharmOut 2017
Load Study
• To perform the “worst case” load(s) bio-decontamination
• Use CAD drawings, real units in ourshowroom or mock-ups
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Slide 25 © PharmOut 2017
Trial Synoptic
LOAD FOR EACH TEST
Description TEST#1 TEST#2
Glass Screw Vials 100 ml 20 20
Glass Screw Vials 50 ml 20 20
Plastic Syringe 2 ml 40 40
Plastic Syringe 5ml 4 4
2ml Pipettes 40 40
Rack of 40 Vials XXml 1 1
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Slide 26 © PharmOut 2017
Installation Assistance
Need:
• Close relationship early in the process
• Customer/supplier involvement
• Building constraints
• Very important :
• Air exhaust design
• Air exhaust location on roof (dangerous H2O2 reject)
• Alternative : catalytic converter option
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Slide 27 © PharmOut 2017
Installation Assistance
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Slide 28 © PharmOut 2017
Installation Assistance
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Slide 29 © PharmOut 2017
Cycle Development
The cycle development and validation must be done by isolator experts or approved / certified team in order to optimize:
• H2O2 consumption
• aeration time and running cost
• Cycle time
… and to avoid:
✓ The “non specialist” mistakes
✓ Avoid waste of time, searching the right / best bio decontamination parameters
✓ Direct explanations / training on site by the expert
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Slide 30 © PharmOut 2017
SOLUTION ?
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Slide 31 © PharmOut 2017
Successful Solution?
Flexible in use
Upgradeable /Modular
Workable
Traceable
Complete validated solution
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Slide 32 © PharmOut 2017
The State Of The Art
➢Our perspective: • Propose a very standard state-of-the-art
solution for a very standard application• Strong La Calhène expertise since 80’s, with
more than 900 references only for sterility testing
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Slide 33 © PharmOut 2017
Different Configurations/Units
< ISOFLEX-S with
small bio decon hatch
ISOFLEX-R with
bio decon hatch >
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Slide 34 © PharmOut 2017
ISOTEST –Up To 40 Tests Per Shift
• Integrated Steritrace II
• 316L stainless steel and glass, Siemens PLC control and touch panel
• Composed of 1 workstation (suitable for 2 operators) and 1 bio decontamination transfer hatch
• High throughput / productivity, one-way product flow using DPTE® transfer systems (option)
• Ideal for cytotoxic drugs (with waste management system)
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Slide 35 © PharmOut 2017
ISOFLEX R with Hatch
• ISOFLEX-R ™ with bio decontamination hatch and integrated Steritrace II
• 316L stainless steel and glass• Composed of 1 workstation (with 3
or 4 gloves for one operator) and 1 bio decontamination transfer hatch with front loading
• Smaller footprint than ISOTEST• Both chambers can be bio
decontaminated separately• High throughput / productivity,
one-way product flow using DPTE® transfer systems (option)
• Ideal for cytotoxic drugs (with waste management system)
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Slide 36 © PharmOut 2017
ISOFLEX R
• 3 or 4-glove ISOFLEX–R with integrated Steritrace II
• Batch concept isolator: • front window opening• Loading and closing• bio decontamination• sterility testing• opening for removal of
waste and canisters• Minimum useful surface:
<2,5mx1,5m• Ergonomics and visibility• Bio decontamination hatch can
be added • Easily upgradable
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Slide 37 © PharmOut 2017
Modularity
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Slide 38 © PharmOut 2017
Easy To Install And Maintain
Sensors and transmitters are located on the internal
face of the openable upper ventilation doors
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Slide 39 © PharmOut 2017
Tracability
InTouch® software as standard• 21 CFR part 11 & GAMP 5
compliant as standard.
• No extra cost for integration with SCADA.
• Trending data storage on Panel PC.
• Recorded in SQL data base:
• Audit trail
• Alarms *
• Reports *
• Recipes *
• Trends
• *Can be printed or stored in PDF
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Slide 40 © PharmOut 2017
Eliminate The Risks
• Glove leak tester
• Safe and secure Wastemanagement with DPTE ® system
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Slide 41 © PharmOut 2017
Conclusions
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Slide 42 © PharmOut 2017
Conclusions
• THE ISOLATOR FOR STERILITY IS NOT A SIMPLE GLOVE BOX :IT IS A «TOOL « .
• IT MUST BE DESIGNED
• TO BE FULLY QUALIFIED AND DOCUMENTED
• TO ENSURE THE FULL TRACABILITY
• TO BE EASY TO INSTALL/MAINTAIN /OPERATE
• TO ENSURE « PRODUCTIVITY «
• TO NOT CORRUPT THE TEST
• FOR THE FUTURE (RAPID METHOD….)
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