corporate presentation at cappello us investor conference
Transcription
corporate presentation at cappello us investor conference
Corporate Presentation January 2013 Copyright © Benitec Biopharma Ltd, www.benitec.com 1" Forward looking statement This"presenta-on"contains"forward"looking"statements"that"involve"risks" and"uncertain-es."" Although"we"believe"that"the"expecta-ons"reflected"in"the"forward" looking"statements"are"reasonable"at"this"-me,"Benitec"Biopharma""can" give"no"assurance"that"these"expecta-ons"will"prove"to"be"correct."" Actual"results"could"differ"materially"from"those"an-cipated."Reasons" may"include"risks"associated"with"drug"development"and"manufacture," risks"inherent"in"the"regulatory"processes,"delays"in"clinical"trials,"risks" associated"with"patent"protec-on,"future"capital"needs"or"other"general" risks"or"factors." " Copyright © Benitec Biopharma Ltd, www.benitec.com 2" Benitec Biopharma: Company Profile ! Unique"patent"protected"long"las-ng"gene"silencing"technology"" ! DNA"Directed"RNA"interference"(ddRNAi)"with"poten-al"to"provide"“one" shot"cures”" “Unlike(current(an.retroviral(therapies,((shRNA):based(gene(therapy(may(be( poten.ally(cura.ve,(reversing(the(virus’s(damage((to)(the(immune(system,(with( a(single(or(few(administra.ons.”(*" ! Pipeline"in"infec-ous"disease,"cancer,"pain,"ocular"and"orphan"diseases"" " Applica-ons"selected"to"maximize"the"unique"advantages"of"ddRNAi""" ! Lead"product"against"Hepa--s"C"virus"(HCV)"will"enter"clinic"in"2013" " *"Ringpis"et"al,"PLoS"ONE"7(12):"e53492."doi:10.1371/journal.pone.0053492" ! Copyright © Benitec Biopharma Ltd, www.benitec.com 3" Benitec Biopharma: Financial Profile ! Australian"biotechnology"company" Copyright © Benitec Biopharma Ltd, www.benitec.com Key!Financials!at"30"June"2012" ASX:BLT! Price"per"share! Market"capitalisa-on! Issued"equity:"ordinary"shares! Op-ons"on"issue"! Cash"balance"! Monthly"burn"rate! AUD"0.017"! AUD"16.7"million! 970,628,529! 428,985,202! AUD"3.1"million"! AUD"263,000! 4" Benitec Biopharma: ddRNAi Technology ! ddRNAi!technology!u;lizes!the!power!and! specificity!of!RNAi!while!avoiding!many!of! the!problems!with!siRNA! 1. DNA"construct"is"delivered"to"the"nucleus"by" a"clinically"proven"vector;"avoids"interac-on" with"toll`like"receptors"and"subsequent" interferon"response"typical"with"siRNA" delivery" 2. DNA"constructs"con-nuously"produce"short" hairpin"RNAs"(shRNAs)"in"nucleus"which"are" processed"by"the"cell"into"siRNAs." 3. The"endogenously"processed"siRNA"is" incorporated"into"the"RISC"complex"and" “silences”"the"target"gene." 1" EnzymaIc"cleavage"of" hairpin"loop"by"DICER" siRNA" enzyme" complex" (RISC)" 3" 2" Target"mRNA"cleaved" " ! Long!term!expression!of!shRNA!provides! a!poten;al!“single!shot!cure”! Copyright © Benitec Biopharma Ltd, www.benitec.com Benitec!technology! ddRNAi!DNA! construct! Protein" " shRNA! Con;nually! expressed! Gene" 5" Benitec Biopharma: Pipeline Indica;on! Partners/Collaborators! HIV/AIDS" Calimmune" OutVlicensed"" Hepa--s"C" "" Acquired"from" Tacere/Pfizer" Discovery" Pre`clinical" Clinical" University"of"New"South" Non"Small"Cell"Lung"Cancer"*" Wales" Cancer"associated"pain" Stanford"University" Hepa--s"B" Biomics"Biotechnologies" OPMD**" Royal"Holloway,"University"of" London" AMD***" "" Re-ni-s"Pigmentosa" "Genable" OutVlicensed"" Hun-ngton’s"Disease" "uniQure" OutVlicensed!! Acquired"from"" Tacere" *And"other"tubulin"chemotherapeuIc"resistant"cancers" **Oculopharyngeal"muscular"dystrophy" ***AgeVRelated"Macular"DegeneraIon" Copyright © Benitec Biopharma Ltd, www.benitec.com 6" Lead program (TT-034): Novel Hepatitis C Therapeutic ! A"“molecular"monotherapy”"intended"to"treat"and"cure"HCV" infec-on"with"a"single"injec-on" ! Developed"in"collabora-on"with"Pfizer" " Developed"on"a"large"pharma"scale"to"very"high"standards" " Ended"with"the"closure"of"the"Sandwich"UK"facility"due"to"restructure"following" Wyeth"acquisi-on"(not"for"lack"of"confidence"in"program)" ! Reversion"of"program"from"Pfizer"gives"Benitec"worldwide"rights" " Pfizer"has"been"very"suppor-ve"and"coopera-ve" Copyright © Benitec Biopharma Ltd, www.benitec.com 7" Lead program (TT-034): Novel Hepatitis C Therapeutic TTS034! HCV!Genome! ! TT`034"comprises"three"shRNAs"targe-ng"three"separate,"highly"conserved" regions"in"the"virus"genome" ! Robust:"expression"of"mul-ple"shRNAs"from"a"single"construct"avoids" genera-on"of"escape"mutants"" ! Targeted"against"genotype"1"(largest"group"&"highest"rate"of"non`responders)" ! Can"be"customized"for"other"genotypes"and"resistant"strains"(personalized( therapeu.c)" ! Broad"therapeu-c"window" Copyright © Benitec Biopharma Ltd, " www.benitec.com 8" TT-034 - Broad Therapeutic Window ! Clinically"relevant"doses"of"TT`034"produce"sustained"levels"of"shRNA" without"toxicity"" Quan;;es!of!shRNA/cell!!required! for!HCV!Replicon!Inhibi;on! Assessment!of!liver!toxicity! in!cynomolgus!monkeys! 1400! ! 1200! ! 1000! ! 800! ! 600! ! 400! ! 200! shRNA/cell!in!cynomolgus! monkey!livers!at!day!50! shRNAS6! shRNAS22! shRNAS19! 18! 66! 9! 782! 1223! 196! 8350! 6090! 1463! Avg.!from!dose!cohort! Copyright © Benitec Biopharma Ltd, www.benitec.com 9" TT-034 - Delivery Into Near 100% Cells With a Single Injection ! Qualita-ve"ISH"analysis"of"shRNA"expression"in"liver"-ssue"demonstrates" nearly"complete"transduc-on"of"cynomolgus"monkey"hepatocytes" SALINE! 12! 1.25X10!!!vg/kg! shRNAS6! shRNAS19! shRNAS22! Copyright © Benitec Biopharma Ltd, www.benitec.com 10" TT-034 – High Liver Tissue Specificity TTS034!Tissue!distribu;on;!!>90%!localized!to!liver! Copies of vector per cell Copyright © Benitec Biopharma Ltd, www.benitec.com 11" TT-034 is Ready For Clinic ! Benitec"plans"to"conduct"a"phase"I/IIa"study"in"HCV"pa-ents"in"2013" " All"required"safety"and"toxicology"studies"have"been"conducted"with"an"excellent" safety"profile" " Pre`IND"mee-ngs"with"FDA"were"held"in"June"2007"and"January"2010" " GMP"clinical"product"has"been"manufactured" " CRO"appointed"December"2012" " IND"planned"Q1"2013" " ! Success"with"HCV"will"be"a"posi-ve"predictor"for"HBV"therapeu-c" ! Unique"mechanism"of"ac-on"and"dosing"regimen"could"be"a"“game" changer”"for"treatment"of"HCV"and"HBV" Copyright © Benitec Biopharma Ltd, www.benitec.com 12" TT-034 is a “Disruptive Technology” in a market that will remain very large ! Even"with"promising"data"showing"high"cure"rates"for"new"drugs," HCV"will"remain"a"“Problem"Not"Solved”."According"to"many"KOLs:" " Significant"numbers"of"pa-ents"will"be"non`responders" " Treatment"-mes"and"side"effects"of"new"drugs"leave"much"room"for" improvement" " HCV"is"likely"to"con-nue"to"develop"resistant"variants"to"new"treatment"op-ons" " Currently"all"transplanta-on"pa-ents"become"reinfected"with"HCV.""The"new" treatments"are"not"well"tolerated"by"transplanta-on"pa-ents." ! A"“single"shot"cure”"will"supersede"small"molecule"cocktails" " A"single"shot"monotherapy"cure"will"be"preferred"over"3"to"6"month"daily"oral" regimens" Copyright © Benitec Biopharma Ltd, www.benitec.com 13" TT-034 Significant Commercial Opportunity in Western Markets 40"million"HCV"infected" outside"US"&"EU"" HCV"Genotype"1"Prevalence" ((million(HCV(subjects(in(US,(JP(&(EU12)( "12"" "10"" 75"%"of"HCV"cases" are"GT1."About" 10"million"in"US"&" EU" "8"" In"addiIon"there"is" a"huge"emerging" market"outside"US" &"EU" Emerging"drugs"are" predicted"to"cure" about"80%"of"paIents" This"leaves"a"significant" market"(>4M"paIents)" for"the"next"generaIon" therapies" "6"" "4"" "2"" "`"" Copyright © Benitec Biopharma Ltd, www.benitec.com In"pracIce"a"large" number"of"untreated" or"nonVresponding" paIents"will"remain" Sources:"Datamonitor"2007"to"2011,"Chak"et"al"2011,"Sievert"et"al"2011,"Esteban"et"al"2008." EU"12"is"Germany,"France,"Italy,"UK,"Spain,"Netherlands,"Belgium,"Sweden,"Denmark,"Norway,"Finland,"Austria." Cure"rate"="number"of"paIents"that"achieve"a"cure"as"%"of"paIents"dosed.""J.W."Pawlotsky"(2011)"J."Hepatology""53:1742V50." 14" HBV: Companion Program to HCV ! The"HBV"therapeu-c"is"a"copy"of"HCV"" " 3"shRNAs"against"highly"conserved"regions"on"HBV"genome" " Same"delivery"vector"as"HCV" " Iden-cal"regulatory"path" " HCV"toxicology"studies"applicable"to"HBV" ! Significant"indica-on"but"limited"anen-on"–"absence"of"new" therapies" ! Therapeu-cs"and"vaccines"exist"for"HBV"…"but" " Very"large"pool"of"infected"pa-ents"remain" " Current"therapies"not"very"effec-ve" " Pa-ent"compliance"is"low" Copyright © Benitec Biopharma Ltd, www.benitec.com 15" HBV: Another Large Commercial Opportunity Worldwide"HBV"is"3"Imes" more"prevalent"than"HCV" In"the"top"western"markets"HCV"is"" 2"Imes"more"prevalent"than"HBV" Chronic"HBV"and"HCV"prevalence"worldwide" HBV"and"HCV"prevalence"in"top"7"markets*" 14" 12" 300" Top"7"markets" China" 200" ROW" Prevalence""(million)" Prevalence"of"chronically"infected" subjects"worldwide"(million)" 400" 10" 8" 6" 4" 2" 100" 0" HBV" HCV" 0" HBV" Copyright © Benitec Biopharma Ltd, www.benitec.com HCV" *US,"EU5"(UK,"France,"Germany,"Italy,"Spain),"Japan" Sources:"Datamonitor"2004,"2007"to"2011."WHO,"CDC,"IMS,"analyst"reports"" 16" Chemotherapy-Resistant Cancer Therapeutic ! Therapeu-c"designed"to"inhibit""βIII"tubulin"expression" ! Tubulin"is"a"key"component"of"the"cellular"cytoskeleton"and"the" target"of"Tubulin"Binding"Agents"(TBAs)"like"taxol" ! Many"cancers"become"resistant"to"TBAs"and"other"chemotherapy"" arer"ini-al"treatment" ! Resistance"is"strongly"correlated"with"over`expression""of"βIII" tubulin"and"decreased"survival" ! Benitec’s"therapeu-c"silences"βIII"tubulin"and"restores"sensi-vity"of" cancers"to"TBAs"and"DNA"damaging"agents" Copyright © Benitec Biopharma Ltd, www.benitec.com 17" Chemotherapy-Resistant Cancer Therapeutic ! Ini-al"indica-on"is"Non`Small"Cell"Lung"Cancer;"the"overwhelming" cause"of"lung"cancer`related"deaths" " 3"shRNAs"used"in"construct"to"ensure"robust"inhibi-on" ! Delivery"using"Jet`PEI;"clinically"validated,"targets"lung"-ssue" ! Solid"proof"of"principle"in(vivo( ! Progressing"into"IND`enabling"studies" Use!in!combina;on!with:! " " " " Taxanes"" Vinca"alkaloids" Epothilones" Pla-nums" Copyright © Benitec Biopharma Ltd, www.benitec.com To!treat!mul;ple!βIII!expressing!cancers:! " Lung"(NSCLC"&" SCLC)" " Ovarian" " Prostate" " Pancrea-c" " Breast"(metasta-c)" " Melanoma"(subset)" " Gliobastoma" (subset)" 18" Silencing βIII tubulin restores sensitivity to chemotherapy Triple"shRNA"knocks"down"βIII"tubulin"in"H460" NSCLC"cells" %!knockdown!of!βIII!tubulin!RNA!(qRTSPCR)!! Control" Single" shRNA" Triple"shRNA" construct" Copyright © Benitec Biopharma Ltd, www.benitec.com Silencing"βIII"tubulin"restores"NSCLC"cell" lines"sensiIvity"to"cisplaIn" Triple shRNA silences βIII tubulin in vivo Experiment M2-Three: Combined data The"JetPEI/βIII"tubulin"triple"shRNA"silences" Relative Gene Expression βIII"tubulin"in!vivo!in"orthotopic"lung"tumors" BIII Expression (mean) 150 Trp Ctrl BIII Control" 100 βIII"tubulin" triple"shRNA" 50 0 Trp Ctrl BIII Treatments Copyright © Benitec Biopharma Ltd, www.benitec.com 71.6% Trp ctrl n=6 20" ddRNAi as a Pain Therapeutic “Chronic"pain"affects"a"large"propor-on"of"the"worldwide" popula-on."" The"socio`economic"stakes"are"huge."" Clinical"management"of"chronic"pain"relies"mainly"on"opioids"and" NSAIDs."However,"these"pharmacological"treatments"remain" inefficient"for"pa-ents"coping"with"chronic"pain"condi-ons,"such"as" neuropathic"or"cancer`related"pain."" Gene-c"approaches"are"seen"as"an"innova-ve"solu-on." RNA"interference"technology"represents"a"straightorward"and" efficient"technology"for"gene-c"therapy"for"pain.”"*" *Reference:"Serrat"P"et"al."RNA"Technologies"and"Their"ApplicaIons"2010,"pp"161V190." Copyright © Benitec Biopharma Ltd, www.benitec.com 21" Benitec’s Pain Therapeutic ! Molecular"target"is"Protein"Kinase"C"γ"(PKCγ)"in"spinal"neurons" ! PKCγ"is"involved"in"transmission"of"both"neuropathic"and" nocicep-ve"pain" ! Silencing"of"PKCγ"using"shRNA"has"been"demonstrated"to"abrogate" neuropathic"pain"long"term"AND"overcome"morphine"tolerance"in( vivo"*( ! ! Intended"to"provide"long"term" pain"relief"(months)"with"a" single"injec-on"of"a"DNA" construct"expressing"a"single" shRNA"against"a"conserved" region"of"PKCγ" " Copyright © Benitec Biopharma Ltd, www.benitec.com *References:"" Song"et"al,"J"Gene"Med"2010;12:"873–880;"" Zou"et"al"Human"Gene"Therapy"2011;"22:465–475.""" 22" Intractable Pain in Cancer Patients ! Ini-al"indica-on"is"intractable"pain" in"late"stage"cancer"pa-ents" Brain" " Significant"unmet"need" " No"opioid`like"side"effects"(opiate"haze," cons-pa-on,"nausea,"tolerance)" " Easier"regulatory"pathway"" Intrathecal"injecIon" of"ddRNAi"construct" Spinal"Cord" ! Delivered"by"intrathecal"injec-on" into"the"spinal"canal" " Local"injec-on"facilitates"targeted" delivery"to"spinal"neurons" " Minimises"off`target"effects"from" systemic"injec-on" ! Collabora-on"with"Stanford" University"for"POC"studies"in"2013" Copyright © Benitec Biopharma Ltd, www.benitec.com 23" Oculopharyngeal Muscular Dystrophy (OPMD) ! Gene-c"orphan"disease"with"6,000"cases"in"western"countries" ! Severe"swallowing"difficul-es,"oren"leading"to"choking"and"death" ! No"effec-ve"treatment" ! Cause:"a"muta-on"in"the"Poly(A)"Binding"Protein"Nuclear"1"gene" (PABPN1)" Copyright © Benitec Biopharma Ltd, www.benitec.com 24" pAAV-H1-shRNA-G-spc512-eGFP 5’ITR H1 sh-G spc512 Oculopharyngeal Muscular Dystrophy pAAV-Tri-shRNA(short) pAAV-Tri-shRNA(long) (OPMD) pAAV-U61-shRNA-Luc-spc512-eGFP ! Benitec"therapeu-c"will"silence" abnormal"gene"and"provide"a" replacement"gene" " ddRNAi"silences"abnormal"gene" " Engineered"replacement"gene"not" silenced" ! Localized"delivery"by"injec-on"into" the"affected"muscle" ! Collabora-on"with"leading" academic"groups"provides"access"to" large"numbers"of"OPMD"pa-ents" " Royal"Holloway"`"University"of"London," UK" " Ins-tut"de"Myologie,"France." Copyright © Benitec Biopharma Ltd, www.benitec.com eGFP 5’ITR U61 sh-A U69 sh-F H1 sh-G 5’ITR U61 sh-A U69 sh-F H1 sh-G 5’ITR U61 Sh-Luc spc512 eGFP 3’ITR pA 3’ITR 3’ITR Stuffer pA 3’ITR Figure 8: AAV vectors expressing various single, tricistronic or control shRNAs. ! The!constructs!effec;vely!silence!PABPN1! Densitometer"scan"of"Western"Blot"analysis" 120 Image-J Densitometry Scan (% of control lane 1) 100 80 60 40 20 0 1Controls2 3 shRNA 4Tri-ShRNA 5 (short)6 7 Tri-shRNA 8 long 9 Figure 9: Western blot for PABPN1 in 293T cells following transfection with AAV plasmids expressing single (BOPMD1), and short (BOPMD2) and long (BOPMD3) tricistronic shRNAs. 5 25" Wet Age-related Macular Degeneration (wet AMD) ! Leading"cause"of"vision"loss"in"elderly" ! Over"2"million"pa-ents"in"US" " $2"Bn"market" ! Current"treatments"stabilize"disease"but"require" monthly"injec-ons"into"the"eye" " All"approved"drugs"target"Vascular"Endothelial" Growth"Factor"A"(VEGF`A)" ! Benitec’s"therapeu-c"is"designed"to"provide" years"of"silencing"of"VEGF`A"from"a"single" intravitreal"injec-on""(same"route"of" administra-on"as"current"standard"of"care)" Copyright © Benitec Biopharma Ltd, www.benitec.com 26" Wet Age-related Macular Degeneration (wet AMD) ! shMiR"–"Next"Genera-on"Technology" " ddRNAi"in"miRNA"backbone;"shMiR"–"Next"genera-on"Benitec"technology" " Cell`specific"promoters"for"controlled"expression" " Modified"vehicle"engineered"for"eye"–""permits"delivery"of"shMiR"through"all"cell" layers"of"re-na"from"an"intravitreal"injec-on" ! Good"efficacy"data"available" ! Follow"on"product:"Mul-`targeted"shMiR"intended"to"reverse"AMD" Copyright © Benitec Biopharma Ltd, www.benitec.com 27" Multi-pronged strategy for revenue generation Plahorm!and!knowShow! ! Strong!patent!posi;on!and!unique!development!knowShow!in!ddRNAi!therapeu;cs! " A"con-nually"evolving"technology"platorm"applicable"to"numerous"diseases"" ! Discovery!collabora;ons! " Most"pharma’s"use"shRNA"vectors"for"target" valida-on,"then"design"a"small"molecule"drug"" " Benitec’s"know`how"provides"the"ability"to" translate"the"shRNA"directly"into"a"drug" ! Many!other!opportuni;es!in!miRNA!,!research! tools,!etc.! ! Internal!product!pipeline! " Selected"for"technology"fit,"target"valida-on" status,"medical"need,"market"size,"etc." ! Strategy!is!to!develop!with!partners! " Pre`clinical"(AMD,"Tubulin,"Pain,"OPMD)" " Arer"phase"I/II"(HCV,"HBV)" " Typically"will"retain"co`promote"op-on" ! Near!and!long!term!revenue! " Upfronts","milestones"and"license"fees" " Royal-es" Copyright © Benitec Biopharma Ltd, www.benitec.com 28" Strong Management and Board Management" ! CEO:!Peter!French,!PhD,!MBA,!MSc! " Fermiscan,"Cryosite,"Probiomics."Past" President"Australia"Society"for"Cell"Biology"" ! CSO:!Michael!Graham,!PhD! " Inventor"of"ddRNAi"technology" " CSIRO,"University"of"Queensland" ! CBO:!Carl!Stubbings,!BSc! " Panbio,"Quest"Diagnos-cs,"Focus" Diagnos-cs" ! SVP!R&D:!David!Suhy,!PhD! " Tacere,"Avocel,"Antara"Biosciences,"PPD" Discovery" ! CFO:!Greg!West,!CA! Board" Chairman:!! ! Peter!Francis,!LLB,!Grad!Dip.! " Partner"at"Francis"Abourizk"Lightowlers"" Directors:!! ! Mel!Bridges,!BAppSc,!FAICD! " Tissue"Therapies,"Alchemia,"Pacific" Diagnos-cs,"PanBio" ! John!Chiplin,!PhD! " Arana,"ITI"Life"Science"Fund,"" ! Ian!Ross,!BSC,!CH.D.! " Sandoz,"Fisons,"Roche,"Celltech,"Silence" Therapeu-cs" " Price"Waterhouse,"Bankers"Trust," Deutsche"Bank,"NZI" Copyright © Benitec Biopharma Ltd, www.benitec.com 29" Summary and upcoming events Summary" ! Product`focused"biotech" company" ! Unique"proprietary"long"term" gene"silencing"platorm"–"new" therapeu-c"modality" ! Lead"program"in"HCV"can"become" a"game"changer"and"market" leader" ! Strong"pipeline"that"leverages" technology"" Copyright © Benitec Biopharma Ltd, www.benitec.com Upcoming"milestones" ! First`in`man"phase"I/IIa"trial"in" Hepa--s"C"in"2013" ! Out`Iicensing"agreements"for" other"disease"areas" ! Significant"milestones"reached" by"current"licensees" " Calimmune"ddRNAi"HIV/AIDS"therapeu-c" expected"to"enter"clinic"in"2013" ! Animal"model"data"for"pipeline" therapeu-cs" ! Commercial"agreements"with" pharmaceu-cal"partners" 30"