the new world of biosimilars: from clinical use to ......asco statement: biosimilars in oncology key...
TRANSCRIPT
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The New World of Biosimilars: From Clinical Use to Reimbursement
Robert M. Rifkin, MD, FACPMedical Director - Biosimilars
McKesson Specialty Health | The US Oncology NetworkApril 13, 2018
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Robert M. Rifkin, MD, FACPRelevant Disclosures
BiosimilarAdvisoryBoards:• Amgen• Coherus• Mylan• Pfizer(Hospira)• EMDSerono• Sandoz
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Basics
Education
Reimbursement
The New World of Biosimilars:A Way to Increase Access and Decrease Cost
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BiosimilarCostSavingsintheUnitedStatesInitialExperienceandFuturePotential;AndrewW.Mulcahy,etal;file:///C:/Users/m104482/Desktop/RAND_PE264.pdf
• Reductionof$54billionindirectspendingonbiologicdrugsfrom2017to2026
• 3%oftotalest.biologicspending;Rangeof$24to$150B
$250BillionProjectedSavings
Fromjust11biosimilars
RANDCorporationEstimatedCostSavings
http://lab.express-scripts.com/lab/insights/industry-updates/the -$250-billion-potential-of-biosimilars
Biosimilars Bringing Value to the U.S. Healthcare System
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“Alotofmypatientscry—they'refrustrated,"saysDr.AyalewTefferi,ahematologistattheMayoClinic."Manyofthemspendtheirlifesavingsoncancerdrugsandendupbeingbankrupt."
“Patients Deserve Access to Effective & Affordable Biologics as they fight challenging diseases”
“Can a miracle drug also be a bitter pill?
It can when the PRICE of a life-saving prescription drug - is more than most people could possibly afford.”
“Aslongasit'sworking,youknow,I'llgoliveinatentdownbytheriver!Aslongasshefeelsgoodandshecanbeanormal10-year-oldgirl.”
ParentofachildonHumira®
ACCESSDENIED
TheaverageU.S.familymakes$52,000annually.Cancerdrugscaneasilycost
$120,000ayear.7/23/2015
http://health.usnews.com/health-news/health-wellness/articles/2015/02/06/why-are-biologic-drugs-so-costlyhttp://www.cbsnews.com/news/the-cost-of-miracles/Cachedhttp://www.cancersupportcommunity.org/living-cancer/living-cancer-topics/managing-cost-cancer-treatment/help-managing-cancer-costsDieguezG,FerroC,PysensonBS.Amulti-yearlookatthecostburdenofcancercare.MillimanResearchReport.April11,2017
Access and Affordability Remains an Issue for Many Patients
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SmallMoleculeComparison
$542,000
US Annual Patient Cost by Product
$81,000 $3,700 $79,000 $52,000 $620,000 $4,700(Brand)
Source:EvaluatePharma2016USAnnualPatientCostbyProduct;Pharma’sAlmanacBiologics:DrivingForceinPharma
“Generally,biologicstreatmentscostabout22xmorethansmallmolecules”
Examplesofbiologicandinsulinmedicinesandassociatedcost:
Cost Burden to Patients – Biologics & Insulins
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Price Increases Have Driven Up the Cost of Oncology Supportive Care
Historical Prices in the US US$ per unit (WAC)
2,500
3,000
3,500
4,000
4,500
5,000
5,500
14131207 15 2016102006 1108 09
ConsumerPriceIndex(1)pegfilgrastimWAC
Source:SHANationalData,MATNov2016,USBureauofLaborStatistics.(1)IndexedtoNeulastaWACinNovember2006.
pegfilgrastimWholesalerAcquisitionCost(WAC)hasnearlydoubledsince2006
+98%
+20%
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Increases in Cancer-Drug Prices Have Been a Contributor to Declining Patient Affordability
Source:SaboL.TreatingCancer:Hopevs.Hype.PartII.KaiserHealthNews.March15,2017.Availableat:www.khn.org.
$10,000
$8,000
$6,000
$4,000
$2,000
$01975-79 1980-84 1985-89 1990-94 1995-99 2000-04 2005-09 2010-14
MedianmonthlycostfornewUScancerdrugs
Medianmonthlyhouseholdincome
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The Oncologist’s Dilemma
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Biological Medicines
• Biologicals started with the synthesis of human insulin via recombinant DNA technology in 1982
• Biologicals:• Are drugs manufactured from living organisms• Are complex• Display minor differences from lot to lot in molecular structure and
immunogenicity
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What are Biosimilars?*
• Biosimilar• Products that have been shown to be highly similar to the reference
product in appropriate comparative, head-to-head quality, non-clinical and clinical studies
• Intended Copies of Biological Products (“me-too biologics”)• Copies of already licensed biological products that have not met the
regulatory criteria for biosimilars
• Biobetter• Biological that has been structurally and/or functionally altered to
achieve an improved or different clinical performance• Must go through the full development and approval process
*Lucio SD, et al. Am J Health Syst Pharm. 2013;70(22):2004-2017.
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ASCO Statement: Biosimilars in OncologyKey Features*
1. SafetyandEfficacyofBiosimilars2. Interchangeability,Switching,andSubstitution3. Naming,Labeling,andOtherRegulatoryConsiderations4. ValueofBiosimilars5. PrescriberandPatientEducation
*LymanG,et.al.JClinOncMarch2018.
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MonoclonalAntibody
Aspirin
Small-Molecule Generics Versus Biosimilars
• Precisely defined structure• Generally produced by
chemical synthesis• Structure can be
interrogated with high precision
• Generic forms demonstrating chemical identity can be validated with preclinical analytic methods
• Inherent variability based on a complex manufacturing process
• Biosimilars may not be identical to the reference product but must not have clinically meaningful differences
• FDA requires Pharmacokinetic, Pharmacodynamic and immunogenicity studies
• Need for additional clinical data depends on the need to address residual uncertainty
BiosimilarsSmall-MoleculeGenerics
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Production-Variability, or “Drift,” Can Make Defining the Reference Product Challenging*
Sources of variation between manufacturers
*MellstedtH,etal.AnnOncol.2008;19(3):411-419.
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1. Vezér et al(2016): Authorized manufacturing changes for therapeutic monoclonal antibodies (mAbs) in European Public Assessment Report (EPAR) documents, Current Medical Research and Opinion, DOI: 10.1185/03007995.2016.1145579, available at: http://dx.doi.org/10.1185/03007995.2016.1145579
2. ICH Q5E http://www.ich.org/fileadmin/Public_Web_Site/ICH_Products/Guidelines/Quality/Q5E/Step4/Q5E_Guideline.pdf
A PRODUCT THAT IS “HIGHLY SIMILAR” HAS THE “SAME” ACTIVE INGREDIENT, AND THE CLINICAL OUTCOME IS EXPECTED TO BE THE “SAME”
Manufacturing Changes are a Regulatory Norm – Subject to Review in Each Market - Each Biologic becomes “Biosimilar” to itself
Each manufacturing change is approved by the regulators in that jurisdiction:
§ Complete extrapolationbetween all indications
§ Interchangeability
§ The patient/HCP is not informed of the change because the label on the product does not change -the nonproprietary name stays the same when high similarity is established
THE GOOD NEWS: Huge experience with use of comparability2 on the reference products across all stakeholders
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Challenges: Variability and Drift*
• Significant differences in drug products (variability and drift) can arise due to:
• production at different sites• changes to manufacturing processes after initial approval
• FDA or EMA approval required for changes in manufacturing process
• Manufacturers need to be vigilant for any changes in production and must always assume that they can result in clinically significant issues
Both biologics and biosimilars are subject to product variability and drift!
EMA = European Medicines Agency.*Ramanan S, et al. BioDrugs. 2014;28(4):363-372.
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Biosimilars Represent Paradigm Shift in Product Development
Reference Biologic[1]]
Postmarketing Surveillance
Phase III Clinical
Phase II Clinical
Phase I Clinical
Preclinical
MolecularCharacterization
1. 1. FDA. Drug development overview. 2012.
2. 2. FDA. Scientific considerations in demonstrating biosimilarity to a reference product: guidance for industry. 2015. 1.
Cont
ribut
ion
to C
linic
al P
redi
ctab
ility
High
Low
Contribution to Clinical Predictability
Low
High
Biosimilar[2]
Molecular Characterization
Preclinical
PK/PD
Immunogenicity
Clinical
Postmarketing Surveillance
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Preclinical Assessment: Four Levels of Analytical Characterization*
Not similar
Similar
Highly similar
Highly similar with fingerprint-like
similarity
No further development through 351(k)
Additional information needed: analytical,
comparative PK/PD, etc.
High confidence; appropriate for targeted clinical studies
Very high confidence; appropriate for more
targeted clinical studies
Studies of Structure & Function: Residual
Uncertainty
High
Low
PK = pharmacokinetic; PD = pharmacodynamic.*FDA. Clinical Pharmacology Data to Support a Demonstration of Biosimilarity to a Reference Product. Dec 2016. https://www.fda.gov/downloads/drugs/guidancecomplianceregulatoryinformation/guidances/ucm397017.pdf. Accessed September 5, 2017.
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TechnologyThen
• Lowresolutioninstruments:Massspectrometer,SDS-Gel,Sanger’smethod,lowresolvingcolumnsetc.
• Cellbasedqualitativeassays
• Limitedassays forprocess&productrelatedsubstance&impurities
TechnologyNow
• HighresolutionMS,NMR,Sequencing,Capillaryelectrophoresis,highresolutioncolumnandchemistries
• Moresensitive,highlyspecificKineticassaysforefficacy&functionalaspect:Biacore,improvedstablecelllines
• ExtensivetestingforprocessrelatedimpurityandProductrelatedsubstance
• Severalorthogonalmethodstoconsolidateidentityandpurity
Advances in Technology: Innovator vs. Biosimilar Analytical & Characterization Tools
Significant enhancement in technology over two decades across development & analytics has been a game-changer
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Rigorous Assessment of Critical Quality Attributes, to Assess Similarity in Structure, Functional Activity, Purity and Stability
Comprehensive analysis of > 30 attributes
• Amino acid sequence• PEG attachment• Disulfides• Free cysteine• Potency• Strength• Receptor binding• Molar mass
• PEG mass• PEG polydispersity• Oligomers• Dimers• UnPEGylated molecules• Clips• DiPEGylation• Oxidation
• Deamidation• Norleucine misincorporation• Subvisible particles• Intact mass• PEG linker analysis• UnPEGylated N-terminus• Free PEG
• Secondary structure• Tertiary structure• Extinction coefficient• Host cell proteins• Overall protein pattern• Charge profile• Size profile• Appearance and clarity
Use of 26 state-of-the-art analytical methods
• Reduced and non-reduced peptide mapping
• Proliferative bioassay• Protein concentration (A280)• SPR• SEC-MALS
• Intact mass by MS• SEC• SDS-PAGE• CEC• RPC• MFI• Mass Spectrometry
• Edman sequencing• SDS-PAGE with
iodine stain• CD• Fluorescence• 2D NMR• DSC
• HDX• SEC-UV-RI• 2D gels with silver stain• IEF• Analytical Ultracentrifugation• Visual inspection, turbidimetry
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Comparability of Biosimilar Filgrastim with Reference Filgrastim*
*Sorgel F, et al. BioDrugs. 2015;29:123-131.
Protein Characterization (NMR Spectroscopy)
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Comparability of Biosimilar Filgrastim with Reference Filgrastim*
*Sorgel F, et al. BioDrugs. 2015;29:123-131.
Protein Characterization (NMR Spectroscopy)Receptor Binding Affinities
Pharmacodynamic AnalysisPharmacokinetic Analysis: No Significant Differences
Between the Biosimilar and Reference Product
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Biosimilar Filgrastim (EP2006) vs Reference:Patients with Breast Cancer Receiving
Myelosuppressive Chemotherapy*
Biosimilar Filgrastim Non-inferior to Reference Time Course of ANC in Cycle 1
*Blackwell K, et al. Ann Oncol. 2015;26:1948-1953.
218 patients receiving 5 µg/kg/day filgrastim over 6 chemotherapy cycles
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Immunogenicity Concerns*
• All biologics (not just biosimilars) confer a risk of immunogenicity• Related to patient, disease, and product factors• Consequences include neutralizing antibodies or cytokine release• Scientific tools for detecting immunogenicity exist, but they are not precise
• Changes to the structure of the protein increase variation in immunogenicity• Lot-to-lot and between manufacturers• Variations in manufacturing must be minimized
• Clinical consequences• Loss or diminished efficacy or safety• General immune responses (eg, allergy, anaphylaxis) - case reports of rare but serious adverse
reactions have been reported
*Ebbers HC, et al. Exp Opin Biol Ther. 2012;12(11):1473-1485. Chamberlain PD. Biosimilars. 2014;4:23-43. FDA Immunogenicity Assessment for Therapeutic Protein Products [website]. https://www.fda.gov/downloads/drugs/guidances/ucm338856.pdf. Accessed September, 2017.
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Switched (alternatingbiosimilar and reference)
N = 107
Reference (Neupogen) Only
n = 51
Incidenceoffebrileneutropenia(FN)
3.4% 0%[95%CI:-9.65; 4.96]
Infections 9.3% 9.9%Hospitalization duetoFN [1patientincycle6] 0
Treatment-emergentAEs 42.1% 39.2%
Anti-drugantibodies 0 0
Alternating Treatment Biosimilar Filgrastim and Reference for Prevention of Severe Neutropenia in Patients with Breast Cancer*
*Krendyukov A, et al. J Clin Oncol. 2017;35(15S):10116.
No evidence of clinically meaningful differences with switching
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Basics
Education
Reimbursement
TheNewWorldofBiosimilars
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*Sarshad M. GABI Journal 6(4):165-173,2018)
The Filgrastim Landscape – April 2018*
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Awareness, Knowledge, and Perceptions of Biosimilars Among Specialty Physicians*
*Cohen H, et al. Adv Ther 33:2160-72,2016.
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*Cohen H, et al. Adv Ther 33:2160-72,2016.
Awareness, Knowledge, and Perceptions of Biosimilars Among Specialty Physicians*
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Pathway for Biosimilar Approval in the US:Biologics Price Competition and Innovation Act (BPCI):*
• Most biologics are approved under the Public Health Service Act (PHSA) (rather than the Food, Drug, and Cosmetics Act)
• DrugPriceCompetitionandPatentTermRestorationAct(informallyknownasHatch-WaxmanAct)whichenabledgenericdrugsof1984doesnotapply
• PriortoBiologicsPriceCompetitionandInnovationAct(BPCI),noabbreviatedpathwayinPHSA
• BPCI is a component of the Patient Protection and Affordable Care Act of 2010 • AmendsthePublicHealthServiceActtodefineanabbreviatedapplicationprocessforbiosimilars
• FDA Safety and Innovation Act (FDASIA)• BiosimilarUserFeeAct(BsUFA)
• Collectfeesfrombiopharmaceuticalindustryfortimelyreviewofapplications
• Performancemetrics
*Zelenetz AD, et al. J Natl Compr Canc Netw. 2011;9(suppl 4):S1-S22.
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Approval Pathways for Biosimilars and Interchangeable Biologics in the US*
BIOSIMILAR
Candidate Biosimilar
Files Application: 351(k) BLA
BIOLOGIC
Files Application:351(a) BLA
(“Standalone” Pathway)
*As proposed by joint BsUFA/GDUFA legislationIC:= Interchangeable
INTERCHANGEABLE (IC) BIOLOGIC
Supplement: Interchangeability
Extrapolation: One, some, all indications
Files Application:
351(k) BLA interchangeable
e.g. Granix® (tbo-filgrastim)
e.g. Zarxio®(filgrastim - sndz)
Unique to US
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Biologics Price Competition and Innovation Act Abbreviated the Licensure Pathway for Biosimilars
1FDArecommendssponsorsuseastepwiseapproachindevelopingevidencetosupportademonstrationofbiosimilarity,ensuringthatdevelopmentateachstepevaluatestheextenttowhichthereisresidualuncertaintyregardingademonstrationofbiosimilaritybetweentheproposedandreferenceproduct,andidentifynext stepstoaddressthatuncertainty.Source:U.S.DepartmentofHealthandHumanServices.ScientificConsiderationsinDemonstratingBiosimilaritytoaReference Product:GuidanceforIndustry.April2015Biosimilarity.
• Biologicalproductishighlysimilartoreferenceproductnotwithstandingminordifferencesinclinicallyinactivecomponents
• Noclinicallymeaningfuldifferencesbetweenbiologicalproductandreferenceproductintermsofsafety,purity,andpotency
Clinical
PK/PD & Immunogenicity
Non-Clinical
Analytical
Ifuncertaintyremains1
RequirementsforBiosimilarity StepwiseEvidenceDevelopment
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The Regulatory Concept Biosimilarity Versus Originator Biologic*
McCamish, M., Pakulski, J., Sattler, C. and Woollett, G. (2015), Toward interchangeable biologics. Clinical Pharmacology & Therapeutics. doi: 10.1002/cpt.39, available at:: http://onlinelibrary.wiley.com/doi/10.1002/cpt.39/full
BIOSIMILARITY IS GROUNDED IN ANALYTICAL HIGH SIMILARITY –WHICH IS NECESSARY BUT NOT SUFFICIENT, AND A SINGULAR FOCUS OF FDA
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The Approval Pathway for Each Biologic Is a Case-by-Case Decision
SponsorsNEEDTOWeightheRisks/RewardsofEach PathwayForEach Product
Candidate Biologic
“Standalone”Biologic[US351(a)]
• Data exclusivity 12 years (+)• Clinical trials required (- - - )
o One indication o All indications
• Patents independently litigated• Known payer/physician/
consumer perceptions regarding new entrants in a product “class”
Biosimilar[US351(k)]
• Limited exclusivity (1 year, 1st IC) • Extrapolation (+++)• Interchangeability (++)• Patent litigation provisions (-)• Regulatory uncertainty (- - )• Unknown payer/physician/
consumer perceptions (- - - )
The approval pathway selected for each biologic has important implications for commercialization strategy and market access
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Key Principles for Extrapolation for Biosimilars in the Future:*
Extrapolation acrossindicationsfora biosimilarwilldependonseveralfactors,including:
• AcommonMOAandreceptor/target/interaction• Totalityoftheevidence showingcomparability• Acceptablesafetyprofilewithoutincreasedrisksofimmunogenicity• Clinicalexperiencewiththeoriginatorproductthatcanbeusedtosupporttheuseofabiosimilaracrossindications
*Weiss M. Blood. Nov 2014, Vol 124, No. 22
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Extrapolation: Regulatory Perspective*
• Extrapolationisafamiliarconceptforregulators• Aimstoavoidunnecessarystudiesinthetargetpopulationforethicalreasons,forefficiency,andtoallocateresourceswhereneeded[1]
• FDAguidancestatesthatextrapolationofindicationsforabiosimilarispossiblegivensufficientscientificjustification[2]
• “Totality-of-evidence”approachsupportedbyextensiveexperienceinEurope
• Approvedbiosimilarshaveshownsimilarsafetyandefficacyprofilesasthereferencebiologicforextrapolatedindications[3-5]
1. EMA. Concept paper on extrapolation of efficacy and safety in medicine development. 2012. 2. FDA. Scientific considerations in demonstrating biosimilarity to a reference product: guidance for industry. 2015. 3. Dmoszynska A, et al. 2012. EBMT Meeting 2012. Abstract P700. 4. Ianotto J, et al. Bone Marrow Transplant. 2012;47:874-876. 5. Publicover A, et al. Br J Haematol. 2013;162:107-111.
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Extrapolation: Clinical Perspective*
• Extrapolation is an unfamiliar concept for clinicians
• Traditionally, clinicians have relied on clinical trial data to judge the safety and efficacy of therapeutic agents
• By definition, approval of a biosimilar for one indication may be based on extrapolation from the biosimilar to the reference biologic
• Therefore, no specific clinical trials with a biosimilar may have been performed in the approved indication/population
• Thus, the paradigm shift in biosimilar development also requires a paradigm shift in evaluation and use of biosimilars in the clinical setting
*Weise M, et al. Blood. 2014;124:3191-3196.
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Framework for Extrapolation
Patient Factors• Similarity of biologic
disposition: PK/PD• Organ function• Age, ethnicity, etc
Disease Factors• Defined MOA• Similarity in target distribution• Single vs combo therapy
Endpoint Factors• Differential efficacy and toxicity• Short-term vs long-term• Sensitivity of surrogate outcomes
Quantitative Evidence Disease progression: Disease models could be used to characterize differences in disease progression between groups. PK and PD: using existing data and physiology-based PK (and PD) modelling and simulation to investigate the relationship betweenPK/PD, age and other important covariates. Clinical response: quantitative synthesis or modelling of all existing data (in vitro, preclinical and clinical) to predict the degree of similarity in clinical response (efficacy, some safety aspects) between source and target population.
Determine Appropriateness of Indication ExtrapolationNo extrapolation; extrapolation to some indications; extrapolation to all indications
MOA = mechanism of action.EMA. Concept Paper on Extrapolation of Efficacy and Safety in Medicine Development [website]. http://www.ema.europa.eu/docs/en_GB/document_library/Scientific_guideline/2013/04/WC500142358.pdf. Accessed September 5, 2017. Weise M, et al. Blood. 2014;124(22):3191-3196.
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Extrapolation to Additional Indications Possible With Scientific Justification*
Extrapolated indications
Convincing evidence to support extrapolation to a reference biologic’s approved indications[2]
Extrapolation: extending conclusions from studies in one pt population to make inferences in another population[1]
*Image adapted from Sherman RE. Biosimilar Guidance Webinar. February 15, 2012. 1. EMA. Concept paper on extrapolation of efficacy and safety in medicine development. 2012. 2. Weise M, et al. Blood. 2012;120:5111-5117.
+
Biosimilar
Molecular Characterization
Preclinical
PK/PD
Immunogenicity
Clinical
Postmarketing Surveillance
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Oncology Drug Advisory Board recommended to the FDA approval of filgrastim-sndz for all current FDA indications of filgrastim:
• Cancer patients receiving myelosuppressive chemotherapy
• Patients with acute myeloid leukemia receiving induction or consolidation chemotherapy
• Cancer patients receiving bone marrow transplant
• Patients undergoing peripheral blood progenitor cell collection and therapy
• Patients with severe chronic neutropenia
Biosimilar Filgrastim in USExtrapolation to Other Indications
40
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Interchangeability of Biosimilars*
• A biosimilar may also be designated as “interchangeable” if there is proof that:• Switching or alternating between the biosimilar and the reference product does not affect safety or
efficacy any more than using the reference product more than once without such alternating or switching
• An “interchangeable” biologic product must demonstrate that it can be expected to produce the same clinical result as the reference product in any given patient
• In addition, if the biologic product is administered more than once to an individual, the risk in terms of safety or diminished efficacy of alternating or switching between the use of the biologic product and the reference product is not greater than the risk of using the reference product without such alternation or switch
*FDA. Considerations in Demonstrating Interchangeability With a Reference Product: Guidance for Industry [website]. https://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM537135.pdf. Accessed September 5, 2017. Figure adapted from: Castaneda-Hernandez, G. Does Interchangeability Really Matter for Biosimilars? https://www.slideshare.net/leongi1/does-interchangeability-really-matters-for-biosimilars.
The designation of “interchangeability” requires higher standards than “biosimilarity” alone
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Interchangeability*
• Interchangeability - useofabiosimilarwithoutimpactingonsafetyorefficacyifitisalternatedorswitchingbetweenthebiosimilarandtheinnovatorcomparedtotheuseoftheinnovatorwithoutalternationorswitching
• DraftguidanceoninterchangeabilityevaluationissuedbyFDA• Therearenoapprovedinterchangeabledrugs
• Adrugmustbedesignatedtobeinterchangeabletopermitdrugsubstitutionbyapharmacist• DrugsubstitutionruleandregulationsaredeterminedattheStatelevel• Designationofabiosimilarasinterchangeabledoesnotautomaticallyallowdrugsubstitution
*FDA. Considerations in Demonstrating Interchangeability With a Reference Product: Guidance for Industry [website]. https://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM537135.pdf. Accessed September 5, 2017. Figure adapted from: Castaneda-Hernandez, G. Does Interchangeability Really Matter for Biosimilars? https://www.slideshare.net/leongi1/does-interchangeability-really-matters-for-biosimilars.
Interchangeability
InnovatorBiosimilar
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Clinician Perspective: Finding the Right Balance
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Basics
Education
Reimbursement
TheNewWorldofBiosimilars
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A“PerfectStorm”forOncologyBiosimilars?*
APMs
Implications for Patients
MIPS
MACRA
OCM
*Adapted from McGivney Global Advisors – Personal Communication
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$3B+
Big Brand Biologics Continue to Lose Patent Exclusivity Over Time
Source: IMS 2016 Data; Brand sales for major biologics going off patent through 2025
LoE:2008 2013 2014 2020 2021 2025
$95B+
LoE
LoE
LoE
Biosimilars may receive regulatory approval, but patent challenges may still exist
$26B+
$6B+
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Biosimilar Manufacturers will Need to Overcome Several Physician Barriers to Adoption
• What are biosimilars?• Is the manufacturer as good
as the innovator?• Is the biosim drug as effective
and safe?• Can I switch existing patients?• Can I use it for all indications?
• Does this have the same support services as the brand?
• Will payers will cover it?• Is this a better deal for my
patient?• Will using this create more
hassle for my clinic, my patients?
Clinical Barrier
Ease of Use Barrier
Economic Barrier
• How good is the biosim’s cost?
• How much is my cost recovery?
• How will that change over time?
Physician Barriers to Adoption
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*Sarshad M. GABI Journal 6(4):165-173,2018
How do you differentiate something that is essentially the same ?
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The Launch of Zarxio*
*SarshadM.MajorLessonsLearnedfromZarxio’sUSLaunch:TheStartofaBiosimilarRevolution.GABIJournal6(4):165-173,2018
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*Sarshad M. GABI Journal 6(4):165-173,2018
Medicare Part B Reimbursement
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Drug Rebates and Provider Profits*
*Sarshad M. GABI Journal 6(4):165-173,2018
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The Need for Payer Education*
*ASmallMidwesternHealthPlanCoverageDetermination
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*Sarshad M. GABI Journal 6(4):165-173,2018
The Impact of ASP Adjustment*
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History of FDA Approvals for Filgrastim-Based Therapies
Pegfilgrastim (Neulasta) approval
tbo-filgrastim (Granix) approval
Filgrastim-sndz (Zarxio)approval
20021991
Filgrastim (Neupogen)
approval
FDA begins expedited biosimilar pathway
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
CHS-1701expectedapproval
351(k) pathway
NEUPOGEN®andNeulasta®areRegisteredTrademarksofAmgenInc.GRANIX®isaRegisteredTrademarkofTevaPharmaceuticalIndustriesZARXIO®isaRegisteredTrademarkofSandozInc.
MYL-1401Hexpectedapproval
Pegfilgrastims:
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Oncology Biosimilars in Development*
*J Adv Prac Oncol 2017
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Current U.S. Biosimilars & Insulins Approved Biosim
ilarsA
pproved
BiosimilarName ManufacturerofBiosimilar
Reference/Innovator
ApprovalDate Launch Date
Zarxio® (filgrastim-sndz) Sandoz Neupogen® March2015 Sept.2015
Inflectra™ (infliximab-dyyb) Pfizer/Hospira Remicade® April2016 Nov.2016
Renflexis™(Infliximab-abda) SamsungBioepis Remicade® April2017 Jul.2017
Erelzi™ (etanercept-szzs) Sandoz Enbrel® August2016 TBD
Amjevita™ (adalimumab-atto) Amgen Humira® September2016 TBD
Cyltezo™(adalimumab-adbm) BI Humira® August 2017 TBD
Mvasi®(bevacizumab-awwb) Amgen/Allergan Avastin® September2017 TBD
Ogivri™(trastuzumab-dkst) Mylan Herceptin® December2017 TBD
Ixifi™(infliximab-qbtx) Pfizer Remicade® December2017 TBD
505(b)(2) Basaglar®(insulinglargine) Eli Lilly/BI Lantus® December2015 December2016
505(b)(2) Lusduna®Nexvue(insulinglargine) Merck Lantus® July2017(tentativeapproval)
Approvalpendingpatent
infringementlawsuit
505(b)(2) Admelog®(insulinLispro) Sanofi Humalog Dec2017 TBD
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Current U.S. Biosimilars Under Review* Biosim
ilarsUnd
erReview
BiosimilarName Manufacturer Innovator BsUFAGoal Datepegfilgrastim(Zioxtenzo) Sandoz Neulasta® Jun2016CRL
pegfilgrastim(CHS-1701) CoherusBiosciences Neulasta® June 2017CRL
epoetin-alfa(Retacrit) Pfizer/Hospira Epogen® Jun2017CRL
filgrastim(grastofil) Apotex Neupogen® TBD
pegfilgrastim Apotex Neulasta® TBD
pegfilgrastim(MYL-1401H) Mylan Neulasta® TBD
trastuzumab(ABP 980) Amgen/Allergan Herceptin® TBD
rituximab(Truxima(CT-P10)) Teva/Celltrion Rituxan® TBD
rituximab(GP2013) Sandoz Rituxan® TBD
trastuzumab(CT-P6) Teva/Celltrion Herceptin® TBD
trastuzumab(PF-05280014) Pfizer Herceptin® TBD
trastuzumab Merck/SamsungBioepis Herceptin® TBD
filgrastim Adello Neupogen® TBD
adalimumab Sandoz Humira® TBD
Asmorebiosimilarsareintroducedintothemarket,patientswill
havegreatertreatmentoptions,greateraccesstotheseoptions,andperhapsduetomarketdynamics,greater
degreeofaffordability
“TheBPD(BiosimilarsProductDevelopment)ProgramwascreatedasapartofBsUFAItoprovideamechanismandstructureforapplicantstoengagewithFDAduringthedevelopmentofabiosimilar.AsofFebruary2017…
64+productsenrolledintheBiosimilarProductDevelopment(BPD)Programrepresenting…*
23 distinctreferencebiologics*
73 BsUFAProgrammeetingswerescheduledin2016*
9 differentcompaniessubmittedbiosimilarapplicationsforreview*
https://www.fda.gov/NewsEvents/Testimony/ucm548273.htm (Testimony of Janet Woodcock, M.D., Director, Center for Drug Evaluation and Research, Before the United States House of Representatives, Committee on Energy and Commerce Subcommittee on Health, March 2, 2017https://www.fda.gov/newsevents/newsroom/pressannouncements/ucm477734.htm
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How do you differentiate something that is “essentially the same”?
Biosimilars: Everyone’s Dilemma