Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack

Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xu, Yanjie [verfasserIn] Chen, Weiqi [verfasserIn] Jiang, Lingling [verfasserIn] Wang, Yicong [verfasserIn] Zhao, Xingquan [verfasserIn] Liu, Liping [verfasserIn] Yao, Dongxiao [verfasserIn] Guo, Lei [verfasserIn] Wang, Yongjun [verfasserIn] Pan, Yuesong [verfasserIn] Wang, Yilong [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack

Übergeordnetes Werk:	Enthalten in: Journal of stroke and cerebrovascular diseases - New York, NY : Elsevier, 1991, 31
Übergeordnetes Werk:	volume:31

DOI / URN:	10.1016/j.jstrokecerebrovasdis.2022.106683

Katalog-ID:	ELV008343330

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024	7		\|a 10.1016/j.jstrokecerebrovasdis.2022.106683 \|2 doi
035			\|a (DE-627)ELV008343330
035			\|a (ELSEVIER)S1052-3057(22)00377-9
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100	1		\|a Xu, Yanjie \|e verfasserin \|0 (orcid)0000-0003-0297-1241 \|4 aut
245	1	0	\|a Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
264		1	\|c 2022
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
338			\|a Online-Ressource \|b cr \|2 rdacarrier
520			\|a Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding.
650		4	\|a Aspirin
650		4	\|a Clopidogrel
650		4	\|a High on-treatment platelet reactivity
650		4	\|a Platelet function
650		4	\|a Platelet reactivity
650		4	\|a Stroke
650		4	\|a Ticagrelor
650		4	\|a Transient ischemic attack
700	1		\|a Chen, Weiqi \|e verfasserin \|4 aut
700	1		\|a Jiang, Lingling \|e verfasserin \|4 aut
700	1		\|a Wang, Yicong \|e verfasserin \|4 aut
700	1		\|a Zhao, Xingquan \|e verfasserin \|4 aut
700	1		\|a Liu, Liping \|e verfasserin \|4 aut
700	1		\|a Yao, Dongxiao \|e verfasserin \|4 aut
700	1		\|a Guo, Lei \|e verfasserin \|4 aut
700	1		\|a Wang, Yongjun \|e verfasserin \|4 aut
700	1		\|a Pan, Yuesong \|e verfasserin \|0 (orcid)0000-0003-3082-6789 \|4 aut
700	1		\|a Wang, Yilong \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Journal of stroke and cerebrovascular diseases \|d New York, NY : Elsevier, 1991 \|g 31 \|h Online-Ressource \|w (DE-627)332166503 \|w (DE-600)2052957-0 \|w (DE-576)271585501 \|x 1532-8511 \|7 nnns
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936	b	k	\|a 44.90 \|j Neurologie
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allfields	10.1016/j.jstrokecerebrovasdis.2022.106683 doi (DE-627)ELV008343330 (ELSEVIER)S1052-3057(22)00377-9 DE-627 ger DE-627 rda eng 610 DE-600 44.90 bkl Xu, Yanjie verfasserin (orcid)0000-0003-0297-1241 aut Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack Chen, Weiqi verfasserin aut Jiang, Lingling verfasserin aut Wang, Yicong verfasserin aut Zhao, Xingquan verfasserin aut Liu, Liping verfasserin aut Yao, Dongxiao verfasserin aut Guo, Lei verfasserin aut Wang, Yongjun verfasserin aut Pan, Yuesong verfasserin (orcid)0000-0003-3082-6789 aut Wang, Yilong verfasserin aut Enthalten in Journal of stroke and cerebrovascular diseases New York, NY : Elsevier, 1991 31 Online-Ressource (DE-627)332166503 (DE-600)2052957-0 (DE-576)271585501 1532-8511 nnns volume:31 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.90 Neurologie AR 31
spelling	10.1016/j.jstrokecerebrovasdis.2022.106683 doi (DE-627)ELV008343330 (ELSEVIER)S1052-3057(22)00377-9 DE-627 ger DE-627 rda eng 610 DE-600 44.90 bkl Xu, Yanjie verfasserin (orcid)0000-0003-0297-1241 aut Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack Chen, Weiqi verfasserin aut Jiang, Lingling verfasserin aut Wang, Yicong verfasserin aut Zhao, Xingquan verfasserin aut Liu, Liping verfasserin aut Yao, Dongxiao verfasserin aut Guo, Lei verfasserin aut Wang, Yongjun verfasserin aut Pan, Yuesong verfasserin (orcid)0000-0003-3082-6789 aut Wang, Yilong verfasserin aut Enthalten in Journal of stroke and cerebrovascular diseases New York, NY : Elsevier, 1991 31 Online-Ressource (DE-627)332166503 (DE-600)2052957-0 (DE-576)271585501 1532-8511 nnns volume:31 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.90 Neurologie AR 31
allfields_unstemmed	10.1016/j.jstrokecerebrovasdis.2022.106683 doi (DE-627)ELV008343330 (ELSEVIER)S1052-3057(22)00377-9 DE-627 ger DE-627 rda eng 610 DE-600 44.90 bkl Xu, Yanjie verfasserin (orcid)0000-0003-0297-1241 aut Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack Chen, Weiqi verfasserin aut Jiang, Lingling verfasserin aut Wang, Yicong verfasserin aut Zhao, Xingquan verfasserin aut Liu, Liping verfasserin aut Yao, Dongxiao verfasserin aut Guo, Lei verfasserin aut Wang, Yongjun verfasserin aut Pan, Yuesong verfasserin (orcid)0000-0003-3082-6789 aut Wang, Yilong verfasserin aut Enthalten in Journal of stroke and cerebrovascular diseases New York, NY : Elsevier, 1991 31 Online-Ressource (DE-627)332166503 (DE-600)2052957-0 (DE-576)271585501 1532-8511 nnns volume:31 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.90 Neurologie AR 31
allfieldsGer	10.1016/j.jstrokecerebrovasdis.2022.106683 doi (DE-627)ELV008343330 (ELSEVIER)S1052-3057(22)00377-9 DE-627 ger DE-627 rda eng 610 DE-600 44.90 bkl Xu, Yanjie verfasserin (orcid)0000-0003-0297-1241 aut Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack Chen, Weiqi verfasserin aut Jiang, Lingling verfasserin aut Wang, Yicong verfasserin aut Zhao, Xingquan verfasserin aut Liu, Liping verfasserin aut Yao, Dongxiao verfasserin aut Guo, Lei verfasserin aut Wang, Yongjun verfasserin aut Pan, Yuesong verfasserin (orcid)0000-0003-3082-6789 aut Wang, Yilong verfasserin aut Enthalten in Journal of stroke and cerebrovascular diseases New York, NY : Elsevier, 1991 31 Online-Ressource (DE-627)332166503 (DE-600)2052957-0 (DE-576)271585501 1532-8511 nnns volume:31 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.90 Neurologie AR 31
allfieldsSound	10.1016/j.jstrokecerebrovasdis.2022.106683 doi (DE-627)ELV008343330 (ELSEVIER)S1052-3057(22)00377-9 DE-627 ger DE-627 rda eng 610 DE-600 44.90 bkl Xu, Yanjie verfasserin (orcid)0000-0003-0297-1241 aut Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding. Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack Chen, Weiqi verfasserin aut Jiang, Lingling verfasserin aut Wang, Yicong verfasserin aut Zhao, Xingquan verfasserin aut Liu, Liping verfasserin aut Yao, Dongxiao verfasserin aut Guo, Lei verfasserin aut Wang, Yongjun verfasserin aut Pan, Yuesong verfasserin (orcid)0000-0003-3082-6789 aut Wang, Yilong verfasserin aut Enthalten in Journal of stroke and cerebrovascular diseases New York, NY : Elsevier, 1991 31 Online-Ressource (DE-627)332166503 (DE-600)2052957-0 (DE-576)271585501 1532-8511 nnns volume:31 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.90 Neurologie AR 31
language	English
source	Enthalten in Journal of stroke and cerebrovascular diseases 31 volume:31
sourceStr	Enthalten in Journal of stroke and cerebrovascular diseases 31 volume:31
format_phy_str_mv	Article
bklname	Neurologie
institution	findex.gbv.de
topic_facet	Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack
dewey-raw	610
isfreeaccess_bool	false
container_title	Journal of stroke and cerebrovascular diseases
authorswithroles_txt_mv	Xu, Yanjie @@aut@@ Chen, Weiqi @@aut@@ Jiang, Lingling @@aut@@ Wang, Yicong @@aut@@ Zhao, Xingquan @@aut@@ Liu, Liping @@aut@@ Yao, Dongxiao @@aut@@ Guo, Lei @@aut@@ Wang, Yongjun @@aut@@ Pan, Yuesong @@aut@@ Wang, Yilong @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
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We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. 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author	Xu, Yanjie
spellingShingle	Xu, Yanjie ddc 610 bkl 44.90 misc Aspirin misc Clopidogrel misc High on-treatment platelet reactivity misc Platelet function misc Platelet reactivity misc Stroke misc Ticagrelor misc Transient ischemic attack Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
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topic_title	610 DE-600 44.90 bkl Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack Aspirin Clopidogrel High on-treatment platelet reactivity Platelet function Platelet reactivity Stroke Ticagrelor Transient ischemic attack
topic	ddc 610 bkl 44.90 misc Aspirin misc Clopidogrel misc High on-treatment platelet reactivity misc Platelet function misc Platelet reactivity misc Stroke misc Ticagrelor misc Transient ischemic attack
topic_unstemmed	ddc 610 bkl 44.90 misc Aspirin misc Clopidogrel misc High on-treatment platelet reactivity misc Platelet function misc Platelet reactivity misc Stroke misc Ticagrelor misc Transient ischemic attack
topic_browse	ddc 610 bkl 44.90 misc Aspirin misc Clopidogrel misc High on-treatment platelet reactivity misc Platelet function misc Platelet reactivity misc Stroke misc Ticagrelor misc Transient ischemic attack
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title	Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
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title_full	Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
author_sort	Xu, Yanjie
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author_browse	Xu, Yanjie Chen, Weiqi Jiang, Lingling Wang, Yicong Zhao, Xingquan Liu, Liping Yao, Dongxiao Guo, Lei Wang, Yongjun Pan, Yuesong Wang, Yilong
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author-letter	Xu, Yanjie
doi_str_mv	10.1016/j.jstrokecerebrovasdis.2022.106683
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title_sort	aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
title_auth	Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
abstract	Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding.
abstractGer	Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding.
abstract_unstemmed	Objective: Whether aspirin platelet reactivity affects platelet function and clinical outcomes with different antiplatelet therapies in patients with mild stroke or transient ischemic attack (TIA) remains unclear. We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. The poor platelet reactivity of aspirin could not sufficiently reduce the risk of recurrent stroke with ticagrelor or clopidogrel; however, HPR (poor aspirin response) may have a protective effect on clinically relevant major bleeding.
collection_details	GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393
title_short	Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack
remote_bool	true
author2	Chen, Weiqi Jiang, Lingling Wang, Yicong Zhao, Xingquan Liu, Liping Yao, Dongxiao Guo, Lei Wang, Yongjun Pan, Yuesong Wang, Yilong
author2Str	Chen, Weiqi Jiang, Lingling Wang, Yicong Zhao, Xingquan Liu, Liping Yao, Dongxiao Guo, Lei Wang, Yongjun Pan, Yuesong Wang, Yilong
ppnlink	332166503
mediatype_str_mv	c
isOA_txt	false
hochschulschrift_bool	false
doi_str	10.1016/j.jstrokecerebrovasdis.2022.106683
up_date	2024-07-06T19:22:41.383Z
_version_	1803858751138037760
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We conducted a subgroup analysis of the PRINCE trial.Materials and methods: Patients with mild stroke or TIA were randomized into aspirin+ticagrelor, or aspirin+clopidogrel groups; aspirin reaction units (ARU) were measured at the baseline and after 7 ± 2 days to assess response to treatment. High on-treatment platelet reactivity (HPR) was defined as ≥550 ARU (poor response to aspirin). The platelet functions of ticagrelor and clopidogrel were measured using the VerifyNow P2Y12 assay for P2Y12 reaction units (PRU); HPR to P2Y12 was defined as >208 PRU (poor response to P2Y12). Clinical outcomes included stroke and clinical vascular and bleeding events after 90 days.Results: Among 628 enrolled patients, 69 (11%) were poor aspirin responders. After 7 ± 2 days, the proportion of poor P2Y12 responders for ticagrelor versus clopidogrel significantly reduced in poor (2.6% versus 27.4%) and good (14.3% versus 29.4%) aspirin responders. There were significant interactions between treatment groups, and between treatment groups and aspirin platelet reactivity for poor P2Y12 responders (P = 0.01). After 90 ± 7 days, there were no significant interactions between treatment groups and aspirin platelet reactivity for new stroke risk (good aspirin responders: 5.5% versus 8.8%, hazard ratio [HR]: 0.61; 95% confidence interval [CI], 0.32 to 1.16; P = 0.13; poor aspirin responders: 8.6% versus 8.8%, HR: 0.97, 95% CI: 0.20–4.81; P = 0.97; P for interaction = 0.60). Major bleeding was less frequent in poor than good aspirin responders (ticagrelor/aspirin: 0.4%/0%; clopidogrel/aspirin: 1.4%/0%).Conclusions: In patients with minor stroke or TIA, clopidogrel, and particularly ticagrelor, decreased platelet function in poor versus good aspirin responders. 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Aspirin platelet reactivity on platelet function and clinical outcome in minor stroke or transient ischemic attack

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