extractactables and leachables summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./ml)...

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PharmaEd Resources, Inc. • 2810 Robeson Park Drive • Champaign, IL 61822 tel. 217.721.5774 • web. www.pharmaedresources.com Extractables & Leachables Virtual Summit 2020 Ensuring Quality, Safety, Suitability and Regulatory Compliance for Drugs, Biologics and Medical Devices July 30–31, 2020, Online EDT Featuring Lessons Learned and Case Studies from Industry Experts: With Representation From: • CDRH Scientific Perspective on Chemical Analysis for Medical Devices • ISO 10993-18: Key Concepts and Practices for Effective and Compliant Chemical Characterization Supporting the Biological Evaluation of Medical Devices • Understanding the Major Revisions to ISO 10993 and the New European Medical Device Regulations • Case Study: Medical Device Toxicological Risk Assessment Following New Principles of ISO 10993-17 • Identification and Evaluation of Material Quality Attributes (MQA) of Polymerics Used in Cell Therapy Products Manufacturing • Chemical Interactions between Leachables and Biopharmaceuticals • The Need to Identify Unknowns from a Toxicological Perspective • BPOG E&L for Single-Use Systems – The Final Chapter • Utilizing BPOG data for selection and qualification of Single Use Systems • Extractables/Leachables Studies: Are You Certain About that Uncertainty? • Reducing Response Factor (RF) Variation and the need for Uncertainty Factors (UFs) in Extractables and Leachables Analysis • Comparison of the Solubilization Properties of Polysorbate 80 and Isopropanol/Water Solvent Systems for Organic Compounds Extracted from Three Pharmaceutical Packaging Configurations • Comprehensive Extractables Study of Autoclavable Polyethersulfone Filter Cartridges • Physics-based Model to Predict Patient Exposure to Polymer Additives in Medical Device Materials • And Much More! Mike Ruberto Material Needs James Hathcock Pall Biotech Cherry Shih Pall Life Sciences Steve Zdravkovic PPD Eric Hill Boston Analytical Stephen Doherty Toxikon Daniel Norwood Feinberg Norwood & Assoc. Carsten Worsøe Novo Nordisk A/S Michelle Kolodziejski Eurofins BioPharma Product Testing Mark Jordi Jordi Labs Piet Christiaens Nelson Labs With Comprehensive Coverage On: Mike Eakins Eakins & Assoc. David Saylor FDA Dennis Jenke Triad Scientific Sherry Parker WuXi AppTec Lisa Olson NAMSA Ping Wang Johnson & Johnson Ted Heise MED Institute Berk Oktem FDA Ron Brown FDA (retired) Charles Felice Janssen R&D

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Page 1: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

PharmaEd Resources, Inc. • 2810 Robeson Park Drive • Champaign, IL 61822tel. 217.721.5774 • web. www.pharmaedresources.com

Extractables & Leachables Virtual Summit 2020Ensuring Quality, Safety, Suitability and Regulatory Compliance

for Drugs, Biologics and Medical DevicesJuly 30–31, 2020, Online EDT

Featuring Lessons Learned and Case Studies from Industry Experts:

With Representation From:

• CDRHScientificPerspectiveonChemicalAnalysisforMedicalDevices

• ISO10993-18:KeyConceptsandPracticesforEffectiveandCompliantChemicalCharacterizationSupportingtheBiologicalEvaluationofMedicalDevices

• UnderstandingtheMajorRevisionstoISO10993andtheNewEuropeanMedicalDeviceRegulations

• CaseStudy:MedicalDeviceToxicologicalRiskAssessmentFollowingNewPrinciplesofISO10993-17

• IdentificationandEvaluationofMaterialQualityAttributes(MQA)ofPolymerics

UsedinCellTherapyProductsManufacturing

• ChemicalInteractionsbetweenLeachablesandBiopharmaceuticals

• TheNeedtoIdentifyUnknownsfromaToxicologicalPerspective

• BPOGE&LforSingle-UseSystems– TheFinalChapter

• UtilizingBPOGdataforselectionandqualificationofSingleUseSystems

• Extractables/LeachablesStudies:AreYouCertainAboutthatUncertainty?

• ReducingResponseFactor(RF)VariationandtheneedforUncertainty

Factors(UFs)inExtractablesandLeachables Analysis

• ComparisonoftheSolubilizationPropertiesofPolysorbate80andIsopropanol/WaterSolventSystemsforOrganicCompoundsExtractedfromThreePharmaceuticalPackagingConfigurations

• ComprehensiveExtractablesStudyofAutoclavablePolyethersulfoneFilterCartridges

• Physics-basedModeltoPredictPatientExposuretoPolymerAdditivesinMedicalDeviceMaterials

• AndMuchMore!

MikeRubertoMaterial Needs

James HathcockPall Biotech

Cherry ShihPall Life Sciences

SteveZdravkovic

PPD

Eric HillBoston

Analytical

StephenDohertyToxikon

Daniel Norwood

Feinberg Norwood & Assoc.

Carsten Worsøe

Novo Nordisk A/S

MichelleKolodziejski

Eurofins BioPharma

Product Testing

MarkJordiJordi Labs

PietChristiaensNelson Labs

With Comprehensive Coverage On:

MikeEakinsEakins & Assoc.

DavidSaylorFDA

DennisJenkeTriad Scientific

SherryParkerWuXi AppTec

LisaOlsonNAMSA

PingWangJohnson &

Johnson

TedHeiseMED Institute

BerkOktemFDA

RonBrownFDA (retired)

CharlesFeliceJanssen R&D

Page 2: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

Register Now to Guarantee Your Space! Online: www.pharmaedresources.com • Phone: 217.721.5774

INNOVATE WITH CONFIDENCE

PharmaEd’sExtractablesandLeachablesVirtualSummit2020Sponsoredby:

Extractables & Leachables Virtual Summit 2020

Page 3: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

Register Now to Guarantee Your Space! Online: www.pharmaedresources.com •Phone: 217.721.5774

Extractables & Leachables Virtual Summit 2020

identifiedandaccuratelyquantified.Afundamentalexpecta-tionthathasrarelybeenarticulateduntilrecentlyisthattheextractablesprofilebereproducible.Thatistosaythatifatestarticlewereprovidedtoseveralexperttestinglaborato-ries,theextractablesprofilesreportedbythoselaboratorieswouldbesimilar,ifnotequivalent,intheirimportantdetails,includingthenumberofextractablesreportedandtheiden-titiesandconcentrationsofthereportedextractables.

Recent, largely anecdotal, evidence suggests that thisexpectationofreproducibilitycouldbemoreawishthanarealityandthatextractablesprofilescanvary,insomecasesquitesubstantially,fromlabtolabandpossibilityevenwithinalab.Ifthislackofconsistencyistrueandreal,itcouldhaveasignificantbearingon,forexample,theuseofchemicalcharacterizationinthebiocompati-bilityassessmentofmedicaldevices.

In this presentation we will examine the published andavailableliteratureanddatathatisrelevanttothistopictoestablishwhethertheperceptionisrealityand,ifso,tocon-sideractionsthateitheramplifyorreduce/controlvariation.Furthermore,theavailableliteratureanddatawillbeusedtoquantifyreasonableexpectationsforreproducibility.

Q&A: Ask the Experts

10:35 ICHQ3E:ABriefOverviewCarsten Worsøe, Principal Scientist, Novo Nordisk A/S

The InternationalCommittee forHarmonisation (ICH)har approved the procurement of an ICH E&L guide-line.Althoughit isveryearly in the ICHprocessthis

shortpresentationwillgivebackgroundandhistory forthetopicapprovalinICHaswellasthecurrentlyknownprocessfortheICHguideline.

10:45 E&LRegulatoryPanelDiscussionModerator: Michael Eakins, Owner, Eakins & AssociatesPanel:

• DennisJenke,TriadScientificSolutions • RonaldBrown,Toxicologist,FDA(retired) • BerkOktem,Chemist,FDA

Discussants:TheAudience

11:20 ReducingResponseFactor(RF)Variation andtheneedforUncertaintyFactors(UFs) inExtractablesandLeachablesAnalysis

Dr. Mark Jordi, President, Jordi Labs

Chemical characterization per ISO 10993 has becomean important component of biocompatibility testing ofmedical devices. Similarly, pharmaceutical packagingischaracterizedforextractablesandleachablestover-

ifythesafetyofdrugproductsperUSP<1663>and<1664>.A majorconcernregardingtheaccuracyofextractablesandleachablesstudiesisquantitativeerrorduetoresponsefac-

Thursday,July30,2020, Eastern Daylight Time

8:00 Chairperson’s Welcome & Opening Remarks

Michael Eakins, Owner, Eakins & Associates

Regulatory Spotlight – Chemical Analysis for Medical Devices

8:10 CDRHScientificPerspectiveonChemicalAnalysisforMedicalDevices

Berk Oktem, Chemist, FDA

AbstractComingSoon

Critical Issues – Identifying Unknowns in E/L Studies

8:50 TheNeedtoIdentifyUnknownsfromaToxicologicalPerspective

Ron Brown, Toxicologist FDA (retired)

When conducting a toxicological risk assessment ofextractableand leachable (E&L) compounds, it is typ-ically assumed by the toxicologist that the extractedcompoundshavebeenidentifiedwithahighdegreeof

certainty.However,becauseofanalyticalchemistrychal-lenges,identificationofthecompoundstothislevelofcer-tainty isnotalwayspossible,especially fornon-targetedextractables. This talk with explore the implications ofconductingatoxicologicalriskassessmentofcompoundsthathavebeenonlytentativelyidentifiedandwillevaluaterecentproposalstoevaluatethesafetyofunidentifiedandpartially identifiedE&Lcompounds.Amongthestrategiesto be addressed in this presentation are the appropriateuseofThresholdofToxicologicalConcern(TTC)valuestoserveasdefaultTIorPDEvaluesforcompoundsthathavenotbeenconfidentlyidentifiedandneedtoidentifywhenacompoundisexpectedtobefoundinanextractbasedonknowledgeof thecompositionof thepolymericmaterialsofconstructionofthedeviceorpharmaceuticalpackaging.

9:30 Morning Break & Sponsor Presentations

9:55 Extractables/LeachablesStudies:AreYouCertainAboutthatUncertainty?

Dennis Jenke, President, Triad Scientific Solutions

There are many well-established and well-articulat-edexpectations forextractablesprofiles including thatallextractablesabovetheAETbediscovered,correctly

Page 4: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

Register Now to Guarantee Your Space! Online: www.pharmaedresources.com • Phone: 217.721.5774

Extractables & Leachables Virtual Summit 2020

Research Spotlight – Single Use Systems & BPOG

1:40 BPOGE/LforSingleUseSystems–TheFinalChapterJames Hathcock, Senior Director, Regulatory and Validation Consulting, Pall Biotech; Carsten Worsøe, Principal Scientist, Novo Nordisk A/S

Inthispresentation,wewillcoverthefollowingtopics:

• Supplierandend-usercollaboration• Extractablesecosystem• Datareviewprocess• Extractablesprotocolupdate• Communityofpractice

Case Studies – Utilizing BPOG data for selection and qualification of Single Use Systems

2:20 UtilizingBPOGDataforSelectionandQualificationofSingleUseSystems

Cherry Shih, Senior Scientist, Pall Life Sciences

The increasing availability of extractable datasetsaligned to standardized protocols (BPOG and USP<665>/<1665>)hasledtoadeeperunderstandingofex-

tractableprofilesindifferentsolvents.Wewillsharecaseswhere specific solvent profiles fromBPOGorUSP <665>canbeleveragedtobestsupportandsimplifytheriskas-sessmentprocess, forboth, thepurposeof initialmateri-alsselectionaswellasqualificationofamulticomponentsingleusesystem inadefinedmanufacturingprocess. Inapplyingstandardizeddatasets,weshareexamplesofhowextractablesprofilesperformedatdifferentsurfaceareatovolumeratios(0.4to18sq.cm./mL)comparetotheoretical-lyscaledvaluesbasedonsurfaceareaandvolumealone.Thegoalofthesecasestudiesistosimplifyandstrengthenapproachestoqualificationofsingleusematerials.

3:00 Afternoon Break & Sponsor Presentation

3:25 AssessingtheReactivityofLeachableswithBiopharmaceuticals,UsingINSULINasaMarkerCompoundCombinedIn-SilicoModelwithExperimental(Analytical)VerificationofProofofConcept,usingINSULINasaMarkerCompound

Piet Christiaens, Scientific Director, Nelson Labs Europe

In the EPREX case, leachable induced immuno-re-sponsescausedsevereadversereactionstoCKDpa-tients. Although the EPREX case is often referred to

by theE/Lcommunity tostress the importanceofan in-depth E/L evaluation of the C/C-system, it also showed

tor(RF)variation.Thiserroroccursbecausemanyextract-ables do not have commercially available standards andequalconcentrationsofdifferentextractablesgivedifferentsignalresponsesusingmassspectrometrydetectors.Recentpublicationshavehighlighted the risksposedbyRFvaria-tionforbothLCMSandGCM.Theimportanceof this issuehasbeenrecognizedbytheFDAresultingintheadditionofanuncertaintyfactor(UF)inthecalculationoftheanalyticalevaluationthreshold(AET).Whilethisaidsinmitigatingtherisksofunderreportingofextractables,theresultingrevisedAETcreatessignificantanalyticalchallengesoftenexceed-ing the limit of detection (LOD)of currentmass spectrom-etryinstrumentationandrequiringsampleconcentration.Italsocreatesquestionsastothevalidityofriskassessmentsbasedonrelativequantitationvaluesandisoneofthekeyissuesattherootofpoorreproducibilityinrecenthighpro-fileinterlaboratorystudies.Itisthereforestronglydesirabletodefineimprovedmethodsforquantitationwithmoreuni-versalRFswhichmitigatetheneedforUFs.Inthispresen-tation, alternative strategies for quantitation using tripledetectionliquidchromatographymassspectroscopy(LCMS)withultraviolet(UV)andchargedaerosoldetection(CAD)aswell as Gas ChromatographyMass Spectroscopy (GCMS)withsimultaneousFlameIonizationDetection(FID)willbepresented. Data comparing the response factors a varietyofextractablesbyUV,MS,FIDandCADwillbepresenteddemonstratinganapproach to reduceoverallRFvariation,the associatedneed forUFs and increasingconfidence intheresultingriskassessments.

12:00 Lunch Hour. Visit the Networking Chatroom

1:00 IdentificationandEvaluationofMaterialQualityAttributes(MQA)ofPolymericsUsedinCellTherapyProductsManufacturing

Ping Wang, Director, Johnson & Johnson, and Charles Felice, Principal Scientist, Janssen R&D

Cell therapy drug products such as CAR-T presentuniquechallengeswithrespect topolymericmaterialriskscomparedwithmorecommonbiologicprocesses.Themanufacturingprocessofcellproductshasfewerpurification steps, resulting in fewer opportunities toremovepolymeric-relatedimpuritiessuchasparticles,endotoxins,bioburden,andleachables&extractables.

These attributes are material quality attributes (MQAs)thatmustbeassessedand, if the risk ishigh,mitigated.Thispresentationwilldiscussthecorrelationofmanufac-turingprocessesandMQAs,andhowtheseprocesseswillimpacttherisklevelsoftheMQAstothefinaldrugproductqualityandpatientsafety.TheMQArisklevelsofthepoly-mericsateachstepwillbediscussed.

Page 5: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

Register Now to Guarantee Your Space! Online: www.pharmaedresources.com • Phone: 217.721.5774

Extractables & Leachables Virtual Summit 2020

Friday,July31, 2020, Eastern Daylight Time

8:25 Chairperson’s Welcome & Opening Remarks

Critical Issues—Exploring the Major Revisions to ISO 10993-1, -17, & -18: Methodological & Toxicological Considerations

8:30 ChemicalCharacterization&RiskAssessment ofMedicalDevices:Thoughts,Considerations& PointstoRemember

Stephen Doherty, Associate Director, Analytical Chemistry, Toxikon

Theconceptofchemicalcharacterizationofmedicalde-viceshascontinuedtoriseinimportanceaspartoftheevaluationofbiocompatibility.AspartofaRiskManage-

mentbasedsystemthechemicalcharacterization,togetherwiththeriskassessment,areessentialpartsofanyevalua-tion.Anunderstandingofthechemicalcharacterizationofmedicaldevicescanbeusedtoplanoverallbiocompatibil-itytestingstrategy,providedatatoassesscertainbiocom-patibilityendpointswithouttheneedoftesting,andallowonetobeabletobetterplanforandevaluatematerial/com-ponentchangesoverproduct lifecycle.Thispresentationwillreviewsomeofthegeneralconceptsofchemicalchar-acterizationasrelatedtobiocompatibility,whatitcanandcannotdo,provideanoverviewofsomeofthetechniquesused,andlookathowthechemicalcharacterizationgoeshand-in-handwiththeriskassessment.Inaddition,thepre-sentationwill discuss somepoints to consider as part ofplanningforandconductingachemicalcharacterizationtoprovidetheappropriatedatafortheriskassessmentbasedupontheparticularoutcomedesired.

9:05 ISO10993-18:KeyConceptsandPracticesforEffectiveandCompliantChemicalCharacterizationSupportingtheBiologicalEvaluationofMedicalDevices

Ted Heise, Vice President, Regulatory & Clinical Services, MED Institute

TheISO10993seriesofstandardsonbiologicaleval-uationofmedicaldeviceshasbeenevolvingovertheyears,workingtokeepupwithprogressinknowledge

of the subjectmatter. In keepingwith this progress, anupdateofISO10993-1(thetop-levelstandard)publishedin2018.Akeychangeinthisreviseddocumentwastheaddition of a more explicit requirement for chemicalcharacterization of all device types—regardless of thenatureanddurationofpatientcontact.

Tomeet the heightened focus on chemical characteriza-tion—and toupdate theexistingstandard—amajor revi-sionofISO10993-18“Chemicalcharacterizationofmedicaldevicematerialswithinariskmanagementprocess”wasundertaken.Thereviseddocumentshouldpublishinearly2020.Thisconferencesessionwillfocusonkeypartsofthenewdocument,bringinginexperienceandlessonslearnedfrommulti-stakeholderdevelopmentofthefinalstandard.

that the traditional E/L approach for container/closuresystems may not always be adequate in predictingleachables could chemically modify proteins, poten-tially causing immunogenicity through the formation of“anti-drug-antibodies.”

TheFDAGuidanceforIndustry:“ImmunogenicityAssess-mentforTherapeuticProteins”(2014)describesanaphy-laxis, cytokine release syndrome, infusion reactions,non-acutereactionsandcross-reactivitytoendogenousproteinsastheassociatedsafetyconcernswhenconsid-eringimmunogenicityasaresultofchemicalinteractionbetweenleachablesandproteins.

Thepresentationwilladdresstwowaysofpredictingifanyofthechemicalcompounds,foundintheextractionprofileofcontainer/closurecomponent,could lead toachemical interactionifanyof thoseextractableswouldbecomea leachable: (1)howtoperformanin-silicore-activityapproachofaverybroadsetofcommonlyknownextractablecompoundsand(2)achemicalreactivitytesttoactuallyscreenforresidualchemicalreactivity.

Inaddition,achemicalreactionmodel,basedonInsulinasamarkercompoundwasdevelopedtoactuallyverifythein-silicopredictedchemicalreactivityandcomparetheoutcomeof thein-silicoexercisewiththeobservedreactivitybetweenapredefinedsetofextractablesandinsulin.

4:05 StandardMethodsforExtractables/LeachablesProfiling:WhataretheImplications?Daniel Norwood, Principal Consultant, Feinberg Norwood & Associates

Modern analytical chemistry, in the form of GC/MSand LC/MS,hasbeenat center stage inextractable/leachable assessment since the late 1980s. Variousorganizations(PQRI,USP,etc.)haveattemptedtoes-tablishthebasicscientificprinciplesforaccomplish-ingextractables/leachablesassessmentsalongwith

the use of these highly sensitive and selective analyti-cal techniques.Overthepast tenyearsorso,ageneralconsensus has been established regarding the suite ofanalytical techniquesapplied toanyassessmentbasedon thevolatilityandchemicalnatureof theanticipatedanalytes.Thisconsensusincludes:Head-space(HS)GC/MSforvolatileanalytes,Directinjection(DI)GC/MSforsemi-volatileanalytescontainedinsolventextracts,Di-rectinjectionLC/MSfornon-volatileanalytescontainedin solvent extracts, and ICP/MS for elemental analytes.Theconsensusdoesnotincludeallofthedetailsoftheanalyticalmethods since the organizations that agreedon best practices did notwant to be proscriptive. Thispresentation will attempt to discuss the possibility ofestablishing standard methods for extractables/leach-ables. It will describe the requirements for standardmethodsalongwiththeimplicationsforthepharmaceu-ticalindustryoftheimplementationofstandardmethods.Theexperienceoftheenvironmentalindustrywithstan-dardmethodsinthe1970sand1980swillbeconsidered.

4:45 End of Day One

Page 6: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

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Extractables & Leachables Virtual Summit 2020

INNOVATE WITH CONFIDENCE

Q&A: Ask the Experts

10:40 ISO10993PanelDiscussionModerator: Michael Eakins, Eakins & Associates

Panel:

• DennisJenke,TriadScientificSolutions• TedHeise,MEDInstitute• SherryParker,WuXiAppTec

Discussants:TheAudience

11:15 CommercialImplicationsofaProperlyPlannedBiologicalEvaluationStrategy,Including theUseofChemicalCharacterization

Lisa Olson, Vice President — North American Laboratory and Global Analytical Services, NAMSA

Since2009, theemphasisonariskmanagementpro-cess and characterization of materials continues to

shiftthebiologicalsafetyparadigm.Putsimply,thedaysof medical product manufacturers simply contractingwithatestinglaboratorytoperformahandfulofbiologi-calsafetytestsisnolongeranacceptedpracticebyanyglobal regulatory body. Medical device regulators arerequiringcarefullyplannedevaluationstrategiesbasedonriskandempiricaldata.

Join this session to learn howawell-planned strategyutilizing chemical characterization can have favorableandevencostsavingimplicationsforthecommercializa-tionofyourproduct.Thissessionwillbeastarttofinish,stepbystep instructiononwhentostartyourplanning,whatstepsto followtoexecutechemicalcharacteriza-tion testing and/or biological testing, and how to keepyourtimelinesasshortorshorterthanwhenperformingconventionalbiologicaltesting.

11:55 Lunch Hour. Visit the Networking Chatroom

12:55 Physics-basedModelstoPredictPatientExposuretoMedicalDeviceLeachables

David Saylor, Materials Scientist, FDA

Thematerialsthatcomprisemedicaldevicescontainsubstancesthatcanbetransferredtopatients.Patientexposure to thesesubstancesmaybedesirable,e.g.drug delivery, but more generally, there is concern

foradverseeffectsifachemicalisreleasedinsufficientquantities.Historically,thelikelihoodforadverseeffectshasbeenevaluatedusinganimal testing. Toxicologicalriskassessment(TRA)isanalternativeapproachthatcanobviatetheneedforextensiveanimaltesting.TRAreliesonexposureestimation,yetexposuredataarechalleng-ingtoobtainandinterpret.Physicsbasedmasstransportmodelsprovideapromisingalternativetoestablishclini-callyrelevantexposureestimates.Thispresentationwillprovideanoverviewofexposuremodelsandtheirusein

Topicstobecoveredwillinclude:

• Navigatingtheflowchart,includingfactorsthatcanhelpdeterminewhethercompositionalinformationmaybeadequateforchemicalcharacterization,oranalyticaltestingofextractsislikelytobenecessary;

• Considerationsfordeterminingextractionconditions;namely,solventselection,temperature,duration,andnatureofextraction(e.g.,simulateduse,exaggerated,orexhaustive);

• DistinctionsbetweenextractablesandleachablesintheapplicationofestablishedE&Lprinciplestomedicaldevices;

• Approachestoperforminganexhaustiveextraction,aswellasdiscussionofhowmultiplestepscanfacilitateuseofpracticalsafetythresholds;

• Qualificationofanalyticalmethods,includingdiscussionofparametersthatmaybecandidatesforuse;and,

• Additionalinsightsdrawnfromregulatorinputduringnumerousdiscussionsofvariouselementsofthestandard.

9:40 CaseStudy:MedicalDeviceToxicologicalRiskAssessmentFollowingNewPrinciplesofISO10993-17

Sherry Parker, Senior Director of Regulatory Toxicology, WuXi AppTec

ISO 10993-17,whichwas last revised is 2002, has un-dergoneasignificantrevisionandtheproposedtitleis“ToxicologicalRiskAssessmentofMedicalDeviceCon-

stituents”. The revised standardwill expand fromcurrentguidance on establishing allowable limits of leachablesubstances,toconductingatoxicologicalriskassessmentof medical device constituents. Proposed updates to thestandard and its current statuswill be presented. Topicswill include hazard identification, exposure assessment,dose-response assessment, and risk characterization.Therewillbeemphasisontheuseofexpertjudgementtodeterminewhether the toxicological risks of exposure toextractableorleachablechemicalsinmedicaldevicesareacceptable, what additional steps may be taken to miti-gaterisk, includingwhetherexposureestimatescouldbefurther refined through additional chemical characteriza-tionandwhentorecommendriskcontrol. Inaddition, thetechnical specification ISO/TS 21726:2019, Application oftheThresholdofToxicologicalConcern(TTC)forAssessingBiocompatibility of Medical Device Constituents, will bediscussed.Acasestudywillbepresentedtoprovideexam-ples todemonstrate theapplicationof thenewprinciplesproposedinISO10993-17andISO/TS21726tothetoxicolog-icalriskassessmentofmedicaldevices.

10:15 Morning Break & Sponsor Presentations

Page 7: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

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Extractables & Leachables Virtual Summit 2020

creasethenumberand/oramountof impurities leachedfrom materials used during its manufacture, storage,and/or administration. However, it is uncertain if/howthe solubilization properties of this surfactant comparetonon-surfactantsolventsystems.Thegoalofthisstudyistoprovideinsightintothisareaofuncertaintybycom-paring thesolubilizationpropertiesofpolysorbate80 tothose of isopropanol/water solutions while in contactwithaplasticizedpolyvinylchlorideparenteraldeliverybag,asingle-usetypemanufacturingbag,andapolypro-pylene bottle. These properties were determined via abindingexperiment,inwhichasetofmodelcompoundswasintroducedintothesolutions,andviaanextractionexperiment, in which compounds were extracted fromthepackagingmaterial by the solutions. In both exper-iments, the amount of each compound present at equi-libriumwasassayed todetermine theextent theyweresolubilizedbythesolutionfromthepackagingmaterial.Results from these experiments illustrate differencesin the magnitude of solubilization obtained from solu-tions containing polysorbate 80 as compared to thosecomposed of isopropanol/water. However, it was alsodemonstratedthat theirsolubilizationpropertiescanbelinkedviaamathematicalmodel.

4:00 ChallengesofAssessingBreathingGasPathwaysperISO18562

Michelle Kolodziejski, Principal Chemist, Eurofins BioPharma Product Testing

Medicaldevicessuchasnebulizers,CPAPequipment,respirators, and the associated disposable accesso-riescanreleaseharmfulsubstances into thebreath-

inggasstream.Forexample,arangeofvolatileorganiccompounds may be released, including but not limitedto: siloxanes, phthalates, phenols, acrylates, alkanes,ketones,andalcohols.Toensurepatientsafety, theISO18562guidancefortheevaluationofbreathinggaspath-wayswas introduced in2017.Part3of thestandard fo-cuses on VOCs, although it does not provide specificsfortheanalyticalconsiderationsrelatedtosamplingandanalysis.Therefore, laboratoriesmustdetermineappro-priateequipmentanddevelopproceduresrelevanttothetesting,payingattentiontothefollowingconsiderations:sample collection, flow control valve selection, tubingtype, fittings, gas type, temperature control, flow rates,and sample dilution factors. ISO 18562-3 recommendsflow rates for different patient populations, while alsorecognizing actual flow rates of use. This presentationwillbeginwithanoverviewoftheISO18562setofstan-dards followed by a discussion of the considerations/difficultiesofperformingtheVOCstesting.Acasestudyfor a cPAP device componentwill be used to evaluatethereleaseprofilesofVOCsovertimeatadultandinfantflowrates.

4:40 Close of Program

biologicalriskevaluationofmedicaldevices,including:potentialbenefitsandcurrentuseinregulatoryapplica-tions, typesofmodelsthatcaninformTRAs,challengeswithuseinregulatorydecisionmaking,andstrategiestoovercomethesechallenges.

1:40 ManagingtheRiskofLeachablesthroughProactiveMaterialSelectionand

Michael Ruberto, President, Material Needs Consulting

Abstractcomingsoon

2:20 Afternoon Break & Sponsor Presentations

2:40 ExtractablesScreeningofSingleUseComponentsforQualification

Eric J. Hill, Director, Boston Analytical

SingleUseSystems(SUS)presentchallengeswithre-gards toextractablesand leachables, however theirease of use, quick change out capability, cost, andconfigurational flexibility provide significant advan-

tagesovertraditionalmanufacturingset-ups.WiththesechallengesregardingE&L,muchattentionhasbeenpaidto extractables data generation for use in vendor andmaterial selection.Ongoing discussions in the industryrevolvearoundtheBioPhorumOperationsGroup(BPOG)Standardized Extractables Testing Protocol for Sin-gle-UseSystems inBiomanufacturingand theproposedUSP<665>monographforsingleusesystems.Regardlessofhow thesediscussions resolveamongst the industry,after an SUS is selected there is still testing thatmustbeperformed.Thedatageneratedduringselectionisof-tennotrobustenoughforqualificationoftheSUSmate-rials for use in the manufacturing setting. It is criticalto perform extractables testing of the SUS formaterialcompatibilityusingthemanufacturingconditionsofuse,including timeand temperature. This extractables test-ingalsoshouldbeperformedusingtheactualsolutionscontacting each SUSmaterial. Case study examples ofextractablestestingformaterialcompatibilityandquali-ficationwillbepresented.

3:20 ComparisonoftheSolubilizationPropertiesofPolysorbate80andIsopropanol/WaterSolventSystemsforOrganicCompoundsExtractedfromThreePharmaceuticalPackagingConfigurations

Steve Zdravkovic, Senior Research Scientist, PPD

Ithasbeenreportedthatthepresenceofpolysorbate80inapharmaceuticalproduct’s formulationmayin-

Page 8: Extractactables and Leachables Summit 2020ferent surface area to volume ratios (0.4 to 18 sq.cm./mL) compare to theoretically scaled values based on surface area and volume alone

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Registration Information

Register for the conference using one of three options:Online: www.pharmaedresources.com Phone: (217) 721-5774Mail: 2810 Robeson Park Drive, Champaign, IL 61822

In the Age of COVID, the Show Must Go OnlineInresponsetooverwhelmingaudienceandspeakerfeedback,andinviewofthecurrenthealthandsafetyconcernsinvolvingthenovelcoronavirusCOVID-19,we’retakingour eventsonline(atleastfortheforeseeablefuture;wedohopetoseeyouagainsooninpersonwhenallthisisover!)Extractables & Leachables Virtual Summit 2020 is anentirelyonlineevent,completewithinsightfulpresentationsfromleadingresearchers,1:1networkingopportunities,livequestion&answersessions,andsponsoredinformationalpresentationsthathighlighthowvendorsaretacklingsomeofthekeyissuesfacingextractables&leachablestesting.Justsitbackandenjoythisonlinelearningexperiencefromthesafetyandcomfortofyourhomeoroffice.Missedasessionortwo?Noworries— thefullprogramwillbearchivedandavailableforpost-conferenceviewinganddownload.

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