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1.
J Am Coll Cardiol ; 83(6): 669-678, 2024 Feb 13.
Artigo em Inglês | MEDLINE | ID: mdl-38325992

RESUMO

BACKGROUND: Phase II trials of asundexian were underpowered to detect important differences in bleeding. OBJECTIVES: The goal of this study was to obtain best estimates of effects of asundexian vs active control/placebo on major and clinically relevant nonmajor (CRNM) and all bleeding, describe most common sites of bleeding, and explore association between asundexian exposure and bleeding. METHODS: We performed a pooled analysis of 3 phase II trials of asundexian in patients with atrial fibrillation (AF), recent acute myocardial infarction (AMI), or stroke. Bleeding was defined according to the International Society on Thrombosis and Hemostasis (ISTH) criteria. RESULTS: In patients with AF (n = 755), both asundexian 20 mg and 50 mg once daily vs apixaban had fewer major/CRNM events (3 of 249; incidence rate [IR] per 100 patient-years 5.47 vs 1 of 254 [IR: not calculable] vs 6 of 250 [IR: 11.10]) and all bleeding (12 of 249 [IR: 22.26] vs 10 of 254 [IR: 18.21] vs 26 of 250 [IR: 50.56]). In patients with recent AMI or stroke (n = 3,409), asundexian 10 mg, 20 mg, and 50 mg once daily compared with placebo had similar rates of major/CRNM events (44 of 840 [IR: 7.55] vs 42 of 843 [IR: 7.04] vs 56 of 845 [IR: 9.63] vs 41 of 851 [IR: 6.99]) and all bleeding (107 of 840 [IR: 19.57] vs 123 of 843 [IR: 22.45] vs 130 of 845 [IR: 24.19] vs 129 of 851 [IR: 23.84]). Most common sites of major/CRNM bleeding with asundexian were gastrointestinal, respiratory, urogenital, and skin. There was no significant association between asundexian exposure and major/CRNM bleeding. CONCLUSIONS: Analyses of phase II trials involving >500 bleeds highlight the potential for improved safety of asundexian compared with apixaban and similar safety compared with placebo. Further evidence on the efficacy of asundexian awaits the results of ongoing phase III trials.


Assuntos
Fibrilação Atrial , Infarto do Miocárdio , Acidente Vascular Cerebral , Humanos , Anticoagulantes/efeitos adversos , Hemorragia/induzido quimicamente , Hemorragia/epidemiologia , Hemorragia/complicações , Piridonas/efeitos adversos , Acidente Vascular Cerebral/etiologia , Acidente Vascular Cerebral/prevenção & controle , Fibrilação Atrial/complicações , Infarto do Miocárdio/tratamento farmacológico , Infarto do Miocárdio/epidemiologia
2.
Circulation ; 146(16): 1196-1206, 2022 10 18.
Artigo em Inglês | MEDLINE | ID: mdl-36030390

RESUMO

BACKGROUND: Oral activated factor XI (FXIa) inhibitors may modulate coagulation to prevent thromboembolic events without substantially increasing bleeding. We explored the pharmacodynamics, safety, and efficacy of the oral FXIa inhibitor asundexian for secondary prevention after acute myocardial infarction (MI). METHODS: We randomized 1601 patients with recent acute MI to oral asundexian 10, 20, or 50 mg or placebo once daily for 6 to 12 months in a double-blind, placebo-controlled, phase 2, dose-ranging trial. Patients were randomized within 5 days of their qualifying MI and received dual antiplatelet therapy with aspirin plus a P2Y12 inhibitor. The effect of asundexian on FXIa inhibition was assessed at 4 weeks. The prespecified main safety outcome was Bleeding Academic Research Consortium type 2, 3, or 5 bleeding comparing all pooled asundexian doses with placebo. The prespecified efficacy outcome was a composite of cardiovascular death, MI, stroke, or stent thrombosis comparing pooled asundexian 20 and 50 mg doses with placebo. RESULTS: The median age was 68 years, 23% of participants were women, 51% had ST-segment-elevation MI, 80% were treated with aspirin plus ticagrelor or prasugrel, and 99% underwent percutaneous coronary intervention before randomization. Asundexian caused dose-related inhibition of FXIa activity, with 50 mg resulting in >90% inhibition. Over a median follow-up of 368 days, the main safety outcome occurred in 30 (7.6%), 32 (8.1%), 42 (10.5%), and 36 (9.0%) patients receiving asundexian 10 mg, 20 mg, or 50 mg, or placebo, respectively (pooled asundexian versus placebo: hazard ratio, 0.98 [90% CI, 0.71-1.35]). The efficacy outcome occurred in 27 (6.8%), 24 (6.0%), 22 (5.5%), and 22 (5.5%) patients assigned asundexian 10 mg, 20 mg, or 50 mg, or placebo, respectively (pooled asundexian 20 and 50 mg versus placebo: hazard ratio, 1.05 [90% CI, 0.69-1.61]). CONCLUSIONS: In patients with recent acute MI, 3 doses of asundexian, when added to aspirin plus a P2Y12 inhibitor, resulted in dose-dependent, near-complete inhibition of FXIa activity without a significant increase in bleeding and a low rate of ischemic events. These data support the investigation of asundexian at a dose of 50 mg daily in an adequately powered clinical trial of patients who experienced acute MI. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT04304534; URL: https://www.clinicaltrialsregister.eu/ctr-search/search; Unique identifier: 2019-003244-79.


Assuntos
Síndrome Coronariana Aguda , Infarto do Miocárdio , Intervenção Coronária Percutânea , Síndrome Coronariana Aguda/terapia , Idoso , Anticoagulantes/uso terapêutico , Aspirina/uso terapêutico , Método Duplo-Cego , Fator XIa , Feminino , Hemorragia/induzido quimicamente , Humanos , Masculino , Infarto do Miocárdio/etiologia , Intervenção Coronária Percutânea/efeitos adversos , Inibidores da Agregação Plaquetária/uso terapêutico , Cloridrato de Prasugrel , Ticagrelor , Resultado do Tratamento
3.
Cardiovasc Res ; 117(3): 942-949, 2021 02 22.
Artigo em Inglês | MEDLINE | ID: mdl-32289159

RESUMO

AIMS: The COMPASS trial demonstrated that the combination of rivaroxaban 2.5 mg twice daily and aspirin 100 mg once daily compared with aspirin 100 mg once daily reduced major adverse cardiovascular events (MACE) in patients with chronic coronary artery disease or peripheral artery disease by 24% during a mean follow-up of 23 months. We explored whether this effect varies by sex. METHODS AND RESULTS: The effects were examined in women and men using log-rank tests and Kaplan-Meier curve. Hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) were obtained from stratified Cox proportional hazards models to explore subgroup effects including subgroup of women and men according to baseline modified REACH risk score. Of 27 395 patients randomized, 18 278 were allocated to receive rivaroxaban plus aspirin (n = 9152) or aspirin alone (n = 9126), and of these, 22.1% were women. Women compared with men had similar incidence rates for MACE and major bleeding but borderline lower rates for myocardial infarction (1.7% vs. 2.2%, P = 0.05). The effect of combination therapy compared with aspirin in women and men was consistent for MACE (women: 3.8% vs. 5.2%, HR 0.72, 95% CI 0.54-0.97; men: 4.2% vs. 5.5%, HR 0.76, 95% CI 0.66-0.89; P interaction 0.75) and major bleeding (women: 3.1% vs. 1.4%, HR 2.22, 95% CI 1.42-3.46; men: 3.2% vs. 2.0%, HR 1.60, 95% CI 1.29-1.97; P interaction 0.19). There was no significant interaction between randomized treatment and baseline modified REACH score above or below the median for MACE or major bleeding. CONCLUSION: In patients with stable coronary artery disease or peripheral artery disease, the combination of rivaroxaban (2.5 mg twice daily) and aspirin compared with aspirin alone appears to produce consistent benefits in women and men, independent of baseline cardiovascular risk.


Assuntos
Aspirina/administração & dosagem , Doença da Artéria Coronariana/tratamento farmacológico , Inibidores do Fator Xa/administração & dosagem , Infarto do Miocárdio/prevenção & controle , Doença Arterial Periférica/tratamento farmacológico , Inibidores da Agregação Plaquetária/administração & dosagem , Rivaroxabana/administração & dosagem , Acidente Vascular Cerebral/prevenção & controle , Idoso , Idoso de 80 Anos ou mais , Aspirina/efeitos adversos , Comorbidade , Doença da Artéria Coronariana/diagnóstico , Doença da Artéria Coronariana/mortalidade , Método Duplo-Cego , Esquema de Medicação , Quimioterapia Combinada , Inibidores do Fator Xa/efeitos adversos , Feminino , Disparidades nos Níveis de Saúde , Hemorragia/induzido quimicamente , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/diagnóstico , Infarto do Miocárdio/mortalidade , Doença Arterial Periférica/diagnóstico , Doença Arterial Periférica/mortalidade , Inibidores da Agregação Plaquetária/efeitos adversos , Medição de Risco , Fatores de Risco , Rivaroxabana/efeitos adversos , Fatores Sexuais , Acidente Vascular Cerebral/diagnóstico , Acidente Vascular Cerebral/mortalidade , Fatores de Tempo , Resultado do Tratamento
4.
Sci Total Environ ; 580: 178-187, 2017 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-27974150

RESUMO

The grand challenges of the 21st century will increasingly require societies to reconsider the pathways taken thus far. Engagement with climate change is of ever-growing importance to young people. They will be confronted with the effects of climate change throughout their entire lives and, as future decision-makers, they will vitally shape societal developments. Education will thus play a crucial role in the transformation to a sustainable society. In terms of awareness-raising, an important first step in preparing young people for the challenges of the 21st century is to understand what content is connected with climate change. As complex challenges, such as climate change, demand ways of thinking that go beyond categories, interconnections between the anthroposphere and the natural sphere have to be taken into consideration. This study provides an insight into the questions and topics young people develop whilst becoming involved in climate change in an in-school learning setting and in an out-of-school learning setting (a high mountain environment). The analysis focuses on the question of in which spheres students predominantly make their thematic choices and how far the interconnections between different spheres are formed. Our results show that the choice of the learning setting influences the topics students connect with climate change. Interconnections between sub-spheres of the anthroposphere and natural sphere are made only occasionally. These findings serve as a basis for reconsidering the content and foundation of climate change communication with young people. We recommend that climate change educational programmes should include phases that allow the following: a) involvement with climate change issues related to single spheres in the first phase, and b) consideration of the interconnections between spheres when becoming involved with climate change issues in the second phase. As the educational setting can considerably influence the focus of the learning process, it should be chosen thoughtfully.


Assuntos
Mudança Climática , Aprendizagem , Comportamento de Escolha , Conservação dos Recursos Naturais , Humanos , Estudantes
5.
Arthroscopy ; 21(6): 684-90, 2005 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-15944623

RESUMO

PURPOSE: The long-term outcome of this new endoscopic technique was compared with that of the classical open Hohmann procedure. TYPE OF STUDY: Retrospective cohort study. METHODS: During 1992 and 1995, 37 patients were surgically treated with the Hohmann procedure after failed intensive conservative treatment. At an average of 92 months after the operation, 30 patients (81%) could be clinically re-examined and were evaluated with a standard questionnaire including the scores of Roles and Maudsley and Morrey et al. RESULTS: Twenty of these patients were treated endoscopically and 10 with the open technique. There were no differences in demographic data between the 2 groups. At follow-up in both groups, similar results were seen for the function of the elbow, the scores of Roles and Maudsley and Morrey et al., the subjective rating of pain and function of the elbow, and complication rate. The results in the score of Morrey showed an average scoring of 93.2 for the endoscopic group and 87.5 for the open group (P > .05). CONCLUSIONS: The endoscopic technique showed results comparable to the open technique and can therefore be recommended for wider surgical use so as to learn more details concerning possible complications and results of the new technique. LEVEL OF EVIDENCE: Level III, retrospective cohort study.


Assuntos
Cotovelo de Tenista/reabilitação , Cotovelo de Tenista/cirurgia , Endoscopia/métodos , Seguimentos , Humanos , Dor , Amplitude de Movimento Articular , Reprodutibilidade dos Testes , Estudos Retrospectivos , Procedimentos Cirúrgicos Operatórios , Fatores de Tempo , Resultado do Tratamento
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