替格瑞洛的ChampionPhoenixIII期臨床試驗(yàn)結(jié)果-課件

1、CHAMPION PHOENIXDeepak L. Bhatt, MD, MPH, Gregg W. Stone, MD, Kenneth W. Mahaffey, MD, C. Michael Gibson, MS, MD, Ph. Gabriel Steg, MD, Christian Hamm, MD, Matthew Price, MD, Sergio Leonardi, MD, Dianne Gallup, MS, Meredith Todd, Simona Skerjanec, PharmD, Harvey D. White, DSc, and Robert A. Harringt

2、on, MD, on behalf of the CHAMPION PHOENIX InvestigatorsCHAMPION PHOENIXDeepak L. BhatDr. Bhatt Advisory Board: Medscape Cardiology; Board of Directors: Boston VA Research Institute, Society of Chest Pain Centers; Chair: American Heart Association Get With The Guidelines Science Subcommittee; Honorar

3、ia: American College of Cardiology (Editor, Clinical Trials, Cardiosource), Duke Clinical Research Institute (clinical trial steering committees), Slack Publications (Chief Medical Editor, Cardiology Today Intervention), WebMD (CME steering committees); Other: Senior Associate Editor, Journal of Inv

4、asive Cardiology; Research Grants: Amarin, AstraZeneca, Bristol-Myers Squibb, Eisai, Ethicon, Medtronic, Sanofi Aventis, The Medicines Company; Unfunded Research: FlowCo, PLx Pharma, Takeda.This presentation includes off-label and/or investigational uses of drugs, including clopidogrel and cangrelor

5、.The CHAMPION PHOENIX trial was funded by The Medicines Company. DisclosuresDr. Bhatt Advisory Board: MeAntiplatelet TherapyAntiplatelet therapy is a critical part of contemporary PCI. In the era of aspirin and unfractionated heparin, intravenous glycoprotein IIb/IIIa inhibition significantly reduce

6、d important periprocedural ischemic events, but significantly increased bleeding.ADP receptor antagonism with oral agents was also shown to reduce ischemic events in PCI and especially ACS. However, available oral agents are limited by their relatively long duration of action and bioavailability, wh

7、ich might be a liability: if given prior to coronary angiography and urgent or emergent CABG is deemed necessary,in situations where absorption may be problematic, such as with rapid times to PCI,in patients who are intubated, nauseated, with STEMI, or shock.Harrington RA, et al. PURSUIT. NEJM 1998D

8、esai N and Bhatt DL. Periprocedural Antiplatelet Therapy. JACC Intervention 2010Antiplatelet TherapyAntiplatelCangrelorCangrelor is an intravenous ADP receptor antagonist that is rapidly acting, potent, and reversible, with return of normal platelet function within an hour. Cangrelor was studied pre

9、viously in two large Phase 3 PCI trials, CHAMPION PCI and CHAMPION PLATFORM. Neither study met its primary endpoint, but the secondary endpoint of stent thrombosis at 48 hours was significantly reduced in CHAMPION PLATFORM and in a prespecified pooled analysis of the two trials. There was no excess

10、in severe bleeding. The potential efficacy signal prompted us to launch the CHAMPION PHOENIX trial. Harrington RA, et al. CHAMPION PCI. NEJM 2009Bhatt DL, et al. CHAMPION PLATFORM. NEJM 2009White HD, et al. Meta-Analysis of CHAMPION PCI and PLATFORM. AHJ 2012CangrelorCangrelor is an intraCHAMPION PH

11、OENIX Executive CommitteeDeepak L. Bhatt, M.D., M.P.H. (Co-Principal Investigator)VA Boston Healthcare System, Brigham and Womens Hospital, and Harvard Medical School Boston, MARobert A. Harrington, M.D. (Co-Principal Investigator)Department of Medicine, Stanford University, Stanford, CAC. Michael G

12、ibson, M.S., M.D. Beth Israel Deaconess Medical Center, Division of Cardiology, Boston, MA Christian W. Hamm, M.D.Kerckhoff Heart and Thorax Center, Bad Nauheim, Germany Kenneth W. Mahaffey, M.D.Duke Clinical Research Institute, Durham, NCMatthew J. Price, M.D.Scripps Clinic and Scripps Translationa

13、l Science Institute, La Jolla, CAPh. Gabriel Steg, M.D.INSERM U-698, Universit Paris-Diderot, and Hpital Bichat, Assistance-Publique-Hpitaux de Paris, Paris, France Gregg W. Stone, M.D.Columbia University Medical Center and the Cardiovascular Research Foundation, New York, NY Harvey D. White, D.Sc.A

14、uckland City Hospital, Auckland, New ZealandCHAMPION PHOENIX Executive ComCHAMPION PHOENIX DSMBFrans Van de Werf, M.D. (Chair)Universitair Ziekenhuis Gasthuisberg, BelgiumDavid P. Faxon, M.D.Brigham & Womens Hospital, Dept. of Medicine, Boston, MA E. Magnus Ohman, M.D.Duke University Medical Center,

15、 Durham, NC Freek W.A. Verheugt, M.D.Heartcenter University Medical Center, Amsterdam W. Douglas Weaver, M.D.Henry Ford Hospital, Detroit, MI Jan G.P. Tijssen, Ph.D. (Statistician)Department of Cardiology, Academic Medical Center-University of Amsterdam, The NetherlandsCHAMPION PHOENIX DSMBFrans Van

16、CHAMPION PHOENIX CECDuke Clinical Research InstituteREVIEWERSPhase 1 Luciana Amaganijan BrazilMonique Anderson NC Akshay Bagai NCRobert W. Harrison NCPedro G. Melo de Barros E Silva BrazilPhase 2J. Matthew Brennan NCRenato D. Lopes NCChiara Melloni NCPierluigi Tricoci NCLEADERSHIPKenneth W. Mahaffey

17、 (Chair)Sergio Leonardi (co-Chair)Dianne Gallup (Lead Statistician)Matthew D. Wilson (Project Leader)OPERATIONSStacey Mangum (Coordinator)Linda Dowd (Lead CDA)Dimitrios Stournaras (Lead CDS)Sachin Vyas (Lead CTA)CHAMPION PHOENIX CECDuke CliniCHAMPION PHOENIX Angiographic Core LabCardiovascular Resea

18、rch FoundationMaria AlfonsoAntoinette Allen Gerard CondittRosa DeJesusChampika DjurkovicSharwat Jahan Greg KaluzaElena KonovalovaMitchell LustreKatharine LymberisDuval MichelSofia PapamitrouNicoletta PavloviciKhary PerrySaira PunjwaniConnie QiuRaquel SanchezElias SanidasShawnalee VassellDouey Wright

19、Reviewers and Data Entry StaffLeadershipPhilippe Gnreux (Director) Sorin BrenerLaura LasalleCHAMPION PHOENIX Angiographic 12 Countries 153 SitesUSAPolandGermanyAustriaThailandRussiaGeorgiaBulgariaBrazilCzech RepublicUSAPolandGermanyNew ZealandAustriaItalyThailandRussiaGeorgiaBulgariaBrazilCHAMPION P

20、HOENIX A Global Trial12 Countries 153 SitesUSAPolaCHAMPION PHOENIX Study DesignRandomized, double-blind, double-dummy, superiorityPrimary efficacy endpoint: Death/MI/IDR/ST at 48 hoursAdjusted for 600 mg versus 300 mg clopidogrel useModified Intent-to-Treat (MITT) analysis (patients actually got stu

21、dy drug and PCI)Key secondary endpoint: Stent Thrombosis at 48 hoursEfficacy endpoints also examined at 30 daysPrimary safety endpoint: GUSTO Severe Bleeding at 48 hoursHarrington RA, et al. CHAMPION PCI. NEJM 2009Bhatt DL, et al. CHAMPION PLATFORM. NEJM 2009White HD, et al. Meta-Analysis of CHAMPIO

22、N PCI and PLATFORM. AHJ 2012CHAMPION PHOENIX Study DesignRCHAMPION PHOENIX Study Design12 to 4 hours0Cangrelor2 bolus & infusion (30ug/kg; 4ug/kg/min) Clopidogrel 600 mg oralCHAMPION PHOENIXN = 10,900 MITTSA/ NSTE-ACS/ STEMI Patients requiring PCI1P2Y12 inhibitor nave OR Placebo3 oral (right before

23、PCI or right after, per physician) Placebo2 bolus & infusion Placebo oralPCI 30 OR Clopidogrel3 (600 mg or 300 mg oral, per physician) 1Randomization occurred once suitability for PCI was confirmed either by angiography or STEMI diagnosis. Double blind study medication was administered as soon as po

24、ssible following randomization. 2Study drug Infusion (cangrelor or matching placebo) was continued for 2-4 hours at the discretion of the treating physician. At the end of the infusion patients received a loading dose of clopidogrel or matching placebo and were transitioned to maintenance clopidogre

25、l therapy.3Clopidogrel loading dose (or matching placebo) was administered as directed by the investigator. At the time of patient randomization, a clopidogrel loading dose of 600 mg or 300 mg was specified by the investigator.MITT=modified intent-to-treat; NSTE-ACS=non-ST-elevation acute coronary s

26、yndrome; PCI=percutaneous coronary intervention; SA=stable angina; STEMI=ST-elevation MI.RandCHAMPION PHOENIX Study Design1Demographics, MITTCangrelor(N= 5472)Clopidogrel(N= 5470)Age, years6464Female28%27%Diabetes mellitus28%28%Patient TypeStable angina57%55%NSTE-ACS25%26%STEMI18%19%Loading Dose300

27、mg clopidogrel26%26%600 mg clopidogrel74%74%Region United States37%37% Other countries63%63%Demographics, MITTCangrelorClPrimary Efficacy Outcomes at 48 Hours, MITTCangrelor(N=5472)Clopidogrel(N=5470)OR (95% CI)P-valuePrimary Analysis Adjusted1Death/MI/IDR/ST 257/5470 (4.7%)322/5469 (5.9%)0.78 (0.66

28、, 0.93)0.0051. The logistic model was adjusted for baseline status and clopidogrel dose. P value of 0.006 shown on the KM curve is log rank p value.Secondary Efficacy Outcomes at 48 Hours, MITTStent thrombosis (keysecondary endpoint)46/5470 (0.8%)74/5469 (1.4%)0.62 (0.43,0.90)0.01MI207/5470 (3.8)255

29、/5469 (4.7)0.80 (0.67,0.97)0.02 Q-wave MI 11/5470 (0.2)18/5469 (0.3)0.61 (0.29,1.29)0.19IDR28/5470 (0.5)38/5469 ( 0.7)0.74 (0.45,1.20)0.22Death18/5470 (0.3)18/5469 (0.3)1.00 (0.52,1.92)0.99 CV Death18/5470 (0.3)18/5469 (0.3)1.00 (0.52,1.92)0.99Bhatt DL, Stone GW, Mahaffey KW, et al. Harrington RA. N

30、EJM 2013 at Primary Efficacy Outcomes at 4Death/ MI/ IDR/ Stent Thrombosis within 48 HoursPatient at RiskHours from RandomizationCangrelor:547252335229522552235221522052175213Clopidogrel:547051625159515551525151515151475147cangrelorclopidogrel5.9%4.7%Log Rank P Value = 0.006Event Rate (%)Bhatt DL, S

31、tone GW, Mahaffey KW, et al. Harrington RA. NEJM 2013 at Death/ MI/ IDR/ Stent ThrombocangrelorclopidogrelLog Rank P Value = 0.01Patient at RiskHours from RandomizationCangrelor:547254265421541954195418541754165414Clopidogrel:5470539253895388538653855385538353831.4%0.8%Event Rate (%)Stent Thrombosis

32、 within 48 HoursBhatt DL, Stone GW, Mahaffey KW, et al. Harrington RA. NEJM 2013 at cangrelorclopidogrelLog Rank PEfficacy Outcomes at 30 Days, MITTCangrelor(N=5472)Clopidogrel(N=5470)OR (95% CI)P ValueDeath/MI/IDR/ST (primary endpoint, adjusted)326/5462 (6.0%)380/5457 (7.0%)0.85 (0.73,0.99)0.03Sten

33、t thrombosis71/5462 (1.3%)104/5457 (1.9%)0.68 (0.50,0.92)0.01MI225/5462 (4.1%)272/5457 (5.0%)0.82 (0.68,0.98)0.03 Q-wave MI 14/5462 (0.3%)22/5457 (0.4%)0.63 (0.32,1.24)0.18IDR56/5462 (1.0%)66/5457 (1.2%)0.85 (0.59,1.21)0.36Death60/5462 (1.1%)55/5457 (1.0%)1.09 (0.76,1.58)0.64 CV Death48/5462 (0.9%)4

34、6/5457 (0.8%)1.04 (0.69,1.57)0.84Bhatt DL, Stone GW, Mahaffey KW, et al. Harrington RA. NEJM 2013 at Efficacy Outcomes at 30 Days, OR 95% CIP IntOverall 0.79 (0.67,0.93)Age 750.71 (0.50,1.02)0.55Age =600.79 (0.66,0.94)0.89Weight 100 mg0.70 (0.52,0.94)Clopidogrel Load before PCI Start0.80 (0.64,0.98)

35、0.99Clopidogrel Load after PCI Start0.79 (0.59,1.06)Cangrelor infusion 129 minutes0.85 (0.68,1.07)0.31Cangrelor infusion 129 minutes0.72 (0.56,0.92)Subgroups: Death/MI/IDR/ST at 48 Hours (continued)5.01.00.2Cangrelor BetterClopidogrel BetterOR 95% CIP IntPrior TIA/StNon-CABG Bleeding at 48 Hours, Sa

36、fetyBleeding ScaleCangrelor(N=5529)Clopidogrel(N=5527)OR (95% CI)P ValueGUSTO Severe9 (0.16%)6 (0.11%)1.50 (0.53,4.22)0.44GUSTO Moderate22 (0.4%)13 (0.2%)1.69 (0.85,3.37)0.13GUSTO Severe + Moderate31 (0.6%) 19 (0.3%)1.63 (0.92,2.90)0.09TIMI Major5 (0.1%)5 (0.1%)1.00 (0.29,3.45)0.999TIMI Minor9 (0.2%

37、)3 (0.1%) 3.00 (0.81,11.10)0.08TIMI Major + Minor14 (0.3%)8 (0.1%)1.75 (0.73,4.18)0.2Any Blood Transfusion25 (0.5%)16 (0.3%)1.56 (0.83,2.93)0.16ACUITY Major235 (4.3%)139 (2.5%)1.72 (1.39,2.13)0.001ACUITY w/out hematoma42 (0.8%) 26 (0.5%) 1.62 (0.99,2.64)0.05Bhatt DL, Stone GW, Mahaffey KW, et al. Ha

38、rrington RA. NEJM 2013 at Non-CABG Bleeding at 48 Hours,OR 95% CIP IntOverall1.63 (0.92,2.90)Age 751.07 (0.45,2.53)0.21Age =601.52 (0.80,2.86)0.71Weight 100 mg1.49 (0.74,3.03)Clopidogrel Load before PCI Start1.24 (0.58,2.66)0.25Clopidogrel Load after PCI Start2.53 (0.98,6.54)Cangrelor infusion 129 m

39、inutes1.71(0.81,3.59)0.85Cangrelor infusion 129 minutes1.52(0.62,3.73)Subgroups: GUSTO Severe/ModeraSummary of Treatment Emergent Adverse EventsAdverse EventCangrelor(N=5529)Clopidogrel(N=5527)P ValuePatients with at least one AE20.2%19.1%0.13Patients with at least one AE causing study drug disconti

40、nuation0.5%0.4%0.21Transient dyspnea1.2%0.3%0.001Bhatt DL, Stone GW, Mahaffey KW, et al. Harrington RA. NEJM 2013 at Summary of Treatment Emergent LimitationsA loading dose of 600 mg has become more common than 300 mgHowever, in the three quarters of patients who received 600 mg, the benefit of cang

41、relor remained statistically significant and was not attenuated.It is possible the benefits we saw here would have been attenuated with a longer duration of pretreatment.Of note, the clopidogrel pretreatment was given “on the table” as is consistent with many practices around the world and in partic

42、ular in the United States.Importantly, prospective randomized clinical trials, namely CREDO and PRAGUE-8, did not find a significant benefit for clopidogrel pretreatment.The benefits seen here may also have been attenuated had prasugrel or ticagrelor been used in the control arm. However, to date, t

43、he largest trial of prasugrel pretreatment, ACCOAST, was terminated by the DSMB for lack of efficacy and excess bleeding.Thus, oral pretreatment, while biologically appealing and intuitive, remains unproven in prospective randomized clinical trials.LimitationsA loading dose of 6ConclusionsIn CHAMPIO

44、N PHOENIX, intravenous ADP receptor antagonism with cangrelor significantly (p=0.005) reduced the composite of death, myocardial infarction, ischemia-driven revascularization, or stent thrombosis at 48 hours, with a 22% odds reduction.The key secondary endpoint of stent thrombosis was also significa

45、ntly reduced, with a 38% odds reduction.The benefit was sustained through 30 days.There was no excess in severe bleeding or transfusions.Intravenous cangrelor may be an attractive option across the full spectrum of PCI, including stable angina, NSTEMI, and STEMI.ConclusionsIn CHAMPION PHOENIXFor Ful

46、l Details, Please Go to www.NEJM.orgBhatt DL, Stone GW, Mahaffey KW, et al. Harrington RA. NEJM 2013 at For Full Details, Please Go toTHANK YOU!THANK YOU!BACKUP SLIDESBACKUP SLIDESCangrelorDirect platelet P2Y12 receptor antagonist ATP analogue MW=800 DaltonsParenteral administrationT1/2 = 3 to 6 min

47、utesOffset = 60 minutesNNNNNHSCF3OHOHOOPOOPPOOOClClOOOS4Na+Angiolillo DJ, Schneider DJ, Bhatt DL, et al. Pharmacodynamic effects of cangrelor and clopidogrel: the platelet function substudy from the cangrelor versus standard therapy to achieve optimal management of platelet inhibition (CHAMPION) tri

48、als. J Thromb Thrombolysis 2012;34:44-55.CangrelorDirect platelet P2Y12CHAMPION PCI | PLATFORMPCI | all comers PCI | 58% ACS | on clopidogrel allowed | clopidogrel 600mg administered at the start of PCI in the control armPLATFORM | all comers PCI | 65% ACS | clopidogrel nave | clopidogrel 600mg admi

49、nistered at the end of PCI in the control arm 12 hours0PCI 25Cangrelor 30g/kg then 4g/kg/minCangrelor 30g/kg then 4g/kg/minClopidogrel600 mg oralClopidogrel600 mg oral CHAMPION PCIN = 9000SA/UA/ACS/STEMIOn clopidogrel allowedCHAMPION PLATFORMN = 6400SA/UA/ACSNo clopidogrel allowedHarrington RA, et a

50、l. NEJM 2009Bhatt DL, et al. NEJM 2009CHAMPION PCI | PLATFORMPCI | a48-Hour EventsPLATFORMOR 95% CIP valueDeath/MI/IDR0.87 (0.71,1.07)0.17Death/Q-MI/IDR0.55 (0.33,0.93)0.02Death/Q-MI/ST0.38 (0.20,0.72)0.003PCI Death/MI/IDR1.05 (0.89,1.24)0.57 Death/Q-MI/IDR0.66 (0.42,1.05)0.08Death/Q-MI/ST0.74 (0.43

51、,1.27)0.27POOLED Death/MI/IDR0.97 (0.86,1.11)0.68Death/Q-MI/IDR0.61 (0.43,0.86)0.005Death/Q-MI/ST0.55 (0.36,0.83)0.004Cangrelor Better5.02.01.00.20.5Comparator BetterSummary of Clinical Efficacy1. Bhatt DL, Lincoff AM, Gibson CM, et al. Intravenous platelet blockade with cangrelor during PCI. N Engl

52、 J Med 2009;361:2330-41.2. Harrington RA, Stone GW, McNulty S, et al. Platelet inhibition with cangrelor in patients undergoing PCI. N Engl J Med 2009;361:2318-29.3. White HD, Chew DP, Dauerman HL, et al. AHJ 2012.48-Hour EventsOR 95% CIP valCHAMPION PHOENIXLessons from CHAMPION PCI | PLATFORMTrial

53、DesignImplementationPatient populationAll comers PCIInclusion of patients with normal cardiac markers at baseline | est. 65% trial populationP2Y12 inhibitor navePatients not pre-treated with P2Y12 inhibitor within 7 days prior to angiogramEndpoint definitionsMI definition 1UDMI | Central lab to assu

54、re consistency of CKMB mass assay globally | angiographic core lab to consistently assess evidence of ischemiaStent thrombosis definition 2 ARC Definition includes occurrence associated with IDR | Death | MI | also intra-procedural stent thrombosis measured by angiographic core lab 31. Thygesen K, A

55、lpert JS, and White HD, on behalf of the Joint ESC/ACCF/WHF Task Force for the Redefinition of Myocardial Infarction. Universal definition of myocardial infarction. Eur Heart J. 2007;28:2525-2538. 2. Cutlip DE, Windecker S, Mehran R, et al. Clinical end points in coronary stent trials: a case for st

56、andardized definitions. Circulation 2007;115:2344-2351.3. Brener SJ, Cristea E, Kirtane AJ, et al. Intra-Procedural Stent Thrombosis. J Am Coll Cardiol Intv 2013;6:3643.CHAMPION PHOENIXLessons from CUniversal Definition of MI Thygesen K, Alpert JS, and White HD, on behalf of the Joint ESC/ACCF/WHF T

57、ask Force for the Redefinition of Myocardial Infarction. Universal definition of myocardial infarction. Eur Heart J. 2007;28:2525-2538.Better discrimination of MI with consideration of multiple criteria CKMB elevations | ischemic symptoms | angiographic evidence | ECG changesDiagnosis of MI from var

58、ious perspectives Type 1 | spontaneous MI related to ischemia Type 2 | MI secondary to ischemia | change in O2 demand/supply Type 3 | sudden unexpected cardiac death Type 4 | associated with coronary angioplasty | stents Type 4a | MI associated with PCI Type 4b | MI associated with Stent Thrombosis

59、Type 5 | MI associated with CABGUniversal Definition of MI ThyDefinition of STAngiographic Evidence:ARC ST (Academic Research Consortium)1Acute (24 hours and 30 days) Definite from probable stent thrombosisAdjudicated by the CECIPST (Intra-procedural stent thrombosis)New or worsening thrombus relate

60、d to the stent or Abrupt closure due tothrombosis1. Cutlip DE, Windecker S, Mehran R, et al. Clinical end points in coronary stent trials: a case for standardized definitions. Circulation 2007;115(17):2344-2351.Definition of STAngiographic ESample Size EstimationEvent rate of 5.1% in the clopidogrel