scholarly journals Updated Meta-Analysis of Randomized Controlled Trials on Primary Ambulatory Thromboprophylaxis (PATP) in Patients with Locally Advanced or Metastatic Lung Cancer Receiving Chemotherapy

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 2435-2435
Author(s):  
Kyaw Zin Thein ◽  
Lukman Tijani ◽  
Thein H. Oo
Keyword(s):  
Lung Cancer ◽  
Relative Risk ◽  
High Risk ◽  
Cancer Patients ◽  
Meta Analysis ◽  
Locally Advanced ◽  
The United States ◽  
Control Group ◽  
Number Needed To Treat ◽  
Solid Cancer

Introduction: Lung cancer (LC) is the second most common cancer in both sexes and is the leading cause of cancer mortality in the United States. Thrombosis is the second leading cause of death in cancer patients and PATP in solid cancer patients were performed in research trials to decrease venous thromboembolism (VTE) rates with ultimate aim to improve survival. We undertook an updated meta- analysis of RCTs to determine the benefit and risk of PATP with low-molecular weight heparins (LMWHs) and direct oral anticoagulants (DOAC) in patients with locally advanced or metastatic LC receiving chemotherapy. Methods: We performed a comprehensive literature search using MEDLINE and EMBASE databases through June 30, 2019. The references of all potential studies were also reviewed for any additional relevant studies. The RCTs with reduction in VTE as a primary or secondary endpoint and the major bleeding (MB) as a safety outcome were incorporated in the analysis. Mantel-Haenszel (MH) method was used to calculate the estimated pooled risk ratio (RR), and risk difference (RD) with 95% confidence interval (CI). Heterogeneity was assessed with Cochran's Q- statistic. Fixed effects model was applied. Results: A total of 5,375 patients with LC from five RCTs and a subgroup of another four RCTs were included in our meta-analysis. The prophylactic doses of bemiparin, certoparin, dalteparin, nadroparin, semuloparin and tinzaparin, intermediate dose of enoxaparin and prophylactic dose of rivaroxaban were used in the studies. The duration of LMWH and DOAC ranged from 3 to 6 months. The randomization ratio was 2 to 1 in PROTECHT study and 1 to 1 in all other studies. The I2statistic for heterogeneity was 0, suggesting homogeneity among RCTs. The VTE incidence was 114 (4.16%) in PATP group and 207 (7.85%) in control group with a RR of 0.53 (95% CI: 0.43 to 0.67, P < 0.001). The absolute RD in VTE was -0.04 (95% CI: -0.05 to -0.02, P < 0.001) with an estimate of the number needed to treat (NNT) of 28 to prevent one VTE event. MB events were reported in 26 (1.37%) patients in PATP group compared to 15 (0.84%) in control group according to an analysis of 6 RCTs. The pooled relative risk for MB was statistically non-significant at 1.57 (95% CI: 0.85 to 2.88, P = 0.15). Conclusions: Our analysis showed that the relative risk reduction is 46% with a NNT of 28 to prevent one VTE without increasing MB events in ambulatory patients with locally advanced or metastatic LC. Selection of appropriate patients who are high risk for VTE is crucial and further studies are required to define high risk subsets of LC patients receiving chemotherapy who may benefit from PATP. Disclosures Oo: Janssen and Janssen: Other: Research: site co-investigator ; Medical Education Speakers Network: Honoraria.

scholarly journals Updated Meta-Analysis of Randomized Controlled Trials on Primary Ambulatory Thromboprophylaxis (PATP) in Patients with Advanced Pancreatic Cancer (APC) Receiving Chemotherapy

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 3469-3469 ◽  
Author(s):  
Kyaw Zin Thein ◽  
Donald P. Quick ◽  
Thein H. Oo
Keyword(s):  
Relative Risk ◽  
High Risk ◽  
Cancer Patients ◽  
Fixed Effects ◽  
Meta Analysis ◽  
Oral Anticoagulants ◽  
Advanced Pancreatic Cancer ◽  
Control Group ◽  
Number Needed To Treat ◽  
Solid Cancer

Introduction: Thrombosis is the second leading cause of death in cancer patients and patients with APC are categorized as high-risk of developing venous thromboembolism (VTE). Many trials had failed to demonstrate improvement in survival with PATP. Despite decreasing VTE events, PATP in solid cancer patients is not routinely recommended. We conducted an updated meta- analysis of RCTs to determine the benefit and risk of PATP with low-molecular weight heparins (LMWH) and direct oral anticoagulants (DOAC) in patients with APC receiving chemotherapy. Methods: We performed a comprehensive literature search using MEDLINE and EMBASE databases through June 30, 2019. The references of all potential studies were also reviewed for any additional relevant studies. The RCTs with reduction in VTE as a primary or secondary endpoint and the major bleeding (MB) as a safety outcome were incorporated in the analysis. The primary meta- analytic approach was a random effects model using the Mantel-Haenszel (MH) method. It was used to calculate the estimated pooled risk ratio (RR), and risk difference (RD) with 95% confidence interval (CI). Heterogeneity was assessed with Cochran's Q- statistic. Results: A total of 1,013 patients with APC from two RCTs and a subgroup of another three RCTs were included in our meta-analysis. The prophylactic, intermediate and therapeutic doses of LMWH and prophylactic dose of DOAC (rivaroxaban) were used in the studies. The duration of LMWH and DOAC ranged from 3 to 6 months. The randomization ratio was 2 to 1 in PROTECHT study and 1 to 1 in all other studies. The I2statistic for heterogeneity was 60, suggesting some heterogeneity among RCTs. The VTE incidence was 28 (5.43%) in PATP group and 60 (12.07%) in control group with a RR of 0.44 (95% CI: 0.20 to 0.99, P = 0.05) and RD of -0.06 (95% CI: -0.11 to -0.01, P = 0.01). In fixed effects model, the pooled RR was 0.45 (95% CI: 0.29 to 0.70, P = 0.0003) and the absolute RD in VTE was -0.07 (95% CI: -0.10 to -0.03, P = 0.0002) with an estimate of the number needed to treat (NNT) of 15 to prevent one VTE event. MB events were reported in 9 (4.11%) patients in PATP group compared to 7 (3.27%) in control group according to an analysis of 2 RCTs. The pooled relative risk for MB was statistically non-significant at 1.25 (95% CI: 0.47 to 3.31, P = 0.65). Conclusions: In our study, PATP in APC may statistically significantly decrease VTE events, approximately with relative risk reduction of 55% and a NNT of 15, without increasing MB events. Proper selection of patients who are high risk for VTE in outpatient setting is important. More RCTs are required to further define high risk subsets of APC patients receiving chemotherapy who may benefit from PATP. Disclosures Oo: Medical Education Speakers Network: Honoraria; Janssen and Janssen: Other: Research: site co-investigator .

scholarly journals A Systematic Review and Meta- Analysis of Randomized Controlled Trials on Primary Ambulatory Thromboprophylaxis (PATP) in Patients with Gastrointestinal Cancers Receiving Chemotherapy

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 3679-3679
Author(s):  
Kyaw Zin Thein ◽  
Donald P. Quick ◽  
Thein Hlaing Oo
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Cancer Patients ◽  
Fixed Effects ◽  
Meta Analysis ◽  
Oral Anticoagulants ◽  
Control Group ◽  
Number Needed To Treat ◽  
Solid Cancer ◽  
Gastrointestinal Cancers

Introduction: PATP in solid cancer patients remains uncertain and is not routinely recommended although thrombosis is shown to be the second leading cause of death in cancer patients. Many studies failed to demonstrate in solid cancer outpatients improvement in overall survival despite decreasing venous thromboembolism (VTE) rates by PATP. We conducted a systematic review and meta-analysis of RCTs to determine the benefit and risk of PATP with low-molecular weight heparins (LMWHs) and direct oral anticoagulants (DOACs) in patients with gastrointestinal cancers receiving chemotherapy. Methods: We performed a comprehensive literature search using MEDLINE and EMBASE databases through June 30, 2019. The references of all potential studies were also reviewed for any additional relevant studies. The RCTs with reduction in VTE as a primary or secondary endpoint and the major bleeding (MB) as a safety outcome were incorporated in the analysis. The primary meta- analytic approach was a fixed effects model using the Mantel-Haenszel (MH) method. It was used to calculate the estimated pooled risk ratio (RR), and risk difference (RD) with 95% confidence interval (CI). Heterogeneity was assessed with Cochran's Q- statistic. Results: A total of 1,932 patients with gastric, gastroesophageal junctional (GEJ) and colorectal cancers from a subgroup of three RCTs were included in our meta-analysis. The prophylactic doses of LMWHs and DOAC (rivaroxaban) were used in the studies. The duration of LMWH and DOAC ranged from 3 to 6 months. The randomization ratio was 2 to 1 in PROTECHT study and 1 to 1 in all other studies. The I2 statistic for heterogeneity was 0, suggesting homogeneity among RCTs. The VTE incidence was 13 (1.26%) in PATP group and 23 (2.55%) in control group with a RR of 0.49 (95% CI: 0.25 to 0.96, P = 0.04). The absolute RD in VTE was -0.01 (95% CI: -0.03 to -0.00, P 0.04) with an estimate of the number needed to treat (NNT) of 78 to prevent one VTE event. In a subset of patients with gastric and GEJ cancers (n=587), the VTE incidence was 4 (1.37%) in PATP group and 10 (3.40%) in control group with a RR of 0.40 (95% CI: 0.13 to 1.24, P = 0.11). Conclusions: In our study, the relative risk reduction is 48% with a NNT of 78 to prevent one VTE in ambulatory patients with gastrointestinal cancers. Nevertheless, there is no statistically significant reduction in VTE events in a subset of gastric and GEJ cancers which are considered high risk in Khorana score. Based on the findings, PATP is not recommended in patients with gastrointestinal cancers on chemotherapy at this time. Further studies are necessary to define high risk subsets of gastrointestinal cancer patients receiving chemotherapy who may benefit from PATP. Disclosures Oo: Medical Education Speakers Network: Honoraria; Janssen and Janssen: Other: site co-investigator.

A Systematic Review and Meta-Analysis of Randomized Controlled Trials (RCT) in Ambulatory Thromboprophylaxis (ATP) in Patients with Lung Cancer Receiving Chemotherapy

Blood ◽  
2016 ◽  
Vol 128 (22) ◽  
pp. 3825-3825
Author(s):  
Kyaw Zin Thein ◽  
Sai-Ching J Yeung ◽  
Thein H. Oo
Keyword(s):  
Lung Cancer ◽  
Systematic Review ◽  
Cancer Patients ◽  
Fixed Effects ◽  
Meta Analysis ◽  
Control Group ◽  
Number Needed To Treat ◽  
Solid Cancer ◽  
Fixed Effects Model ◽  
Bleeding Events

Abstract Introduction: Lung cancer (LC) is the commonest cause of cancer mortality in USA. Thromboembolism (TE) is the second leading cause of death in cancer patients. The ambulatory thromboprophylaxis (ATP) in solid cancer patients remains uncertain. However, LC is at least an intermediate risk for TE according to Khorana scoring system. We conducted a systematic review and meta-analysis of RCTs to determine the benefit and risk of ATP with low-molecular weight heparins (LMWH) in LC patients receiving chemotherapy. Methods: We performed a comprehensive literature search using MEDLINE and EMBASE databases through June 30, 2016. The RCTs with reduction in TE as a primary or secondary endpoint and the major bleeding (MB) as a safety outcome were included in the analysis. Mantel-Haenszel method was used to calculate the estimated pooled risk ratio (RR), and risk difference (RD) with 95% confidence interval (CI). Fixed effects model was applied. Results: A total of 4315 patients with LC from 4 RCTs and a subgroup of another 2 RCTs were included in our analysis. The prophylactic doses of dalteparin, nadroparin, certoparin, semuloparin and bemiparin were used in the studies. The ATP duration ranged from 3 to 6 months. The randomization ratio was 2 to 1 in PROTECHT study and 1 to 1 in other studies. The TE incidence was 89 (4.007%) in ATP group and 166 (7.927%) in control group with a RR of 0.510 (95% CI: 0.397 to 0.654, P < 0.001). The absolute RD was -0.039 (95% CI: -0.053 to -0.025, P < 0.001) with an estimated number needed to treat (NNT) of 25 to prevent one TE event. MB events were 24 (1.506%) in ATP group compared to 15 (1.019%) in control group according to an analysis of 4 RCTs. The pooled RR for MB was statistically nonsignificant at 1.468 (95% CI: 0.785 to 2.746, P = 0.229). Clinically relevant nonmajor (CRNM) bleeding events were 80 (5.571%) in ATP group and in 24 (1.674%) in control group on an analysis of 4 RCTs. The RR for CRNM bleeding was statistically significant at 3.253 (95% CI: 2.092 to 5.059, P < 0.001). Conclusions: In our study, the relative risk reduction for TE is 49% with a NNT of 25 to prevent one TE without increasing MB. Nevertheless, CRNM bleeding episodes were significant at a ratio of 3.253. Based on the findings, selection of LC patients who are at high TE risk is important. Further studies are necessary to define a subset of LC patients who may benefit from ATP. Figure 1 Figure 1. Figure 2 Figure 2. Disclosures Oo: Daiichi Sankyo: Research Funding.

A meta-analysis of spinal surgical site infection and vancomycin powder

2014 ◽  
Vol 21 (6) ◽  
pp. 974-983 ◽  
Author(s):  
Nickalus R. Khan ◽  
Clinton J. Thompson ◽  
Michael DeCuypere ◽  
Jonathan M. Angotti ◽  
Erick Kalobwe ◽  
...  
Keyword(s):  
Relative Risk ◽  
Surgical Site Infection ◽  
Risk Reduction ◽  
Spine Surgery ◽  
Spinal Surgery ◽  
Meta Analysis ◽  
Control Group ◽  
Number Needed To Treat ◽  
Site Infection ◽  
Vancomycin Powder

Object Surgical site infection (SSI) is a serious and costly complication of spinal surgery. There have been several conflicting reports on the use of intrawound vancomycin powder in decreasing SSI in spine surgery. The purpose of this study is to answer the question: “Does intrawound vancomycin powder reduce the rate of SSIs in spine surgery?” Methods A comprehensive search of multiple electronic databases and bibliographies was conducted to identify clinical studies that evaluated the rates of SSI with and without the use of intrawound vancomycin powder in spine surgery. Independent reviewers extracted data and graded the quality of each paper that met inclusion criteria. A random effects meta-analysis was then performed. Results The search identified 9 retrospective cohort studies (Level III evidence) and 1 randomized controlled trial (Level II evidence). There were 2574 cases and 106 infections in the control group (4.1%) and 2518 cases and 33 infections (1.3%) in the treatment group, yielding a pooled absolute risk reduction and relative risk reduction of 2.8% and 68%, respectively. The meta-analysis revealed the use of vancomycin powder to be protective in preventing SSI (relative risk = 0.34, 95% confidence interval 0.17–0.66, p = 0.021). The number needed to treat to prevent 1 SSI was 36. A subgroup analysis found that patients who had implants had a reduced risk of SSI with vancomycin powder (p = 0.023), compared with those who had noninstrumented spinal operations (p = 0.226). Conclusions This meta-analysis suggests that the use of vancomycin powder may be protective against SSI in open spinal surgery; however, the exact population in which it should be used is not clear. This benefit may be most appreciated in higher-risk populations or in facilities with a high baseline rate of infection.

scholarly journals The Khorana Score for the Prediction of Venous Thromboembolism in Patients with Solid Cancer: An Individual Patient Data Meta-Analysis

Blood ◽  
2017 ◽  
Vol 130 (Suppl_1) ◽  
pp. 627-627
Author(s):  
Nick Van Es ◽  
Matthew Ventresca ◽  
Qi Zhou ◽  
Simon Noble ◽  
Mark Crowther ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Venous Thromboembolism ◽  
High Risk ◽  
Research Funding ◽  
Individual Patient Data ◽  
Meta Analysis ◽  
Solid Cancer ◽  
Control Groups ◽  
Risk Patients ◽  
Conference Attendance

Abstract Background: Guidelines suggest the use of the Khorana score to select patients with solid cancer receiving chemotherapy for thromboprophylaxis to prevent venous thromboembolism (VTE), but its performance in different types of cancers remains uncertain. Methods: The present analysis includes individual patient data from seven randomized controlled trials that had compared prophylactic (ultra)-low-molecular-weight heparin (LMWH) with placebo or observation in patients with solid cancer. The analysis addresses the performance of the continuous and dichotomized Khorana score in predicting the 6-month risk of VTE in the trial control groups, overall and in types of cancer studies, as well as the efficacy and safety of LMWH among patients with a high-risk Khorana score. Random effects meta-analysis provided the basis for summary estimates. Findings: In the 3,403 patients from the control groups included in the analyses, the mean age was 61 years, 59% were male, and 58% had lung cancer. During 6-months of follow-up, 188 patients (5.5%) developed VTE. Overall, the 6-month VTE incidence was 9.8% among high-risk Khorana score patients and 6.4% among low-to-intermediate risk patients (OR 1.6; 95%-CI 1.1-2.2). The dichotomous Khorana score performed differently in lung cancer patients (OR 1.1; 95%-CI, 0.72-1.7) than in those with other types of cancer (OR 4.4; 95%-CI, 2.7-7.3; P interaction=0.002). Among high-risk patients, LMWH decreased the risk of VTE by 64% compared to placebo or observation (OR 0.36; 95%-CI, 0.22-0.58). In the group of patients with types of cancer other than lung cancer and a high-risk Khorana score (N=619), the 6-month VTE incidence was 3.3% (95% CI, 1.4 to 7.7) among LMWH recipients and 13% (95% CI, 6.8 to 24) among those not receiving LMWH (OR 0.23, 95% CI, 0.11 to 0.46; P &lt;0.001). There was no difference in major bleeding (OR 1.2, 95% CI, 0.56 to 2.5). Interpretation: The Khorana score performs poorly in differentiating between those at high and low risk of VTE in patients with lung cancer, but is associated with a 4-fold increased risk of VTE in those with other types of cancer. Thromboprophylaxis is effective and safe in patients with a high-risk Khorana score. Funding: Canadian Institutes of Health Research knowledge synthesis grant, KRS 126594 Registration: International Prospective Register for Systematic Reviews (PROSPERO), CRD42013003526. Disclosures Van Es: Pfizer: Employment, Other: Comment: Dr. van Es reports personal fees from Pfizer as a member of their advisory board. These fees are unrelated to this project.. Crowther: Alexion: Speakers Bureau; Bayer: Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Boehringer Ingelheim: Speakers Bureau; Leo Pharma: Research Funding; Pfizer: Honoraria; Portola: Consultancy; Shinogi: Consultancy. Macbeth: Cancer Research UK: Research Funding; Pfizer: Other: Provision of Dalteparin for FRAGMATIC trial. Griffiths: Pfizer: Consultancy, Other: Comment: I run an academic clinical trials unit, have received educational/investigator intiated research grants from companies that make these heparin agents. As consultant &gt; 3 years ago, advised Pfizer on clinical trial designs unrelated to this study., Research Funding. Streiff: Roche: Research Funding; Portola: Research Funding; Janssen Scientific Affairs, LLC: Consultancy, Research Funding; CSL Behring: Consultancy, Research Funding. Ageno: Daiichi Sankyo: Consultancy, Honoraria; Bayer AG: Consultancy, Honoraria, Research Funding; BMS-Pfizer: Consultancy, Honoraria; Boehringer Ingelheim: Consultancy, Honoraria. Bozas: PharmaMar: Honoraria. Maraveyas: Bayer: Other: Personal fees and conference attendance; Bristol-Myers Squibb: Other: Grants and personal fees; Leo Pharma: Other: Grants, personal fees and conference attendance; Pfizer: Other: Personal fees. Loprinzi: Bristol Myers: Other: Grant - unrelated to this project; Janssen: Other: Grant - unrelated to this project. McBane: Bristol Myers Squibb: Other: Research grant for cancer associated VTE. Schünemann: Canadian Institutes of Health Research: Research Funding.

ALTERATIONS IN COAGULATION AND FIBRINOLYSIS IN LUNG CANCER PATIENTS

1987 ◽  
Author(s):  
M A Ruiz ◽  
A Estellés ◽  
I Marugán ◽  
I Navarro ◽  
J Aznar ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Cancer Patients ◽  
Lung Tumor ◽  
Locally Advanced ◽  
Control Group ◽  
Lung Cancer Patients ◽  
Cancer Group ◽  
Plasmatic Coagulation ◽  
Fibrinolytic Parameters ◽  
Coagulation And Fibrinolysis

Lung cancer has commonly been associated with to both clinical problems of thromboembolism and to biological alterations in -coagulation and fibrinolysis.We evaluated some coagulation and fibrinolytic parameters of the plasmatic coagulation and fibrinolytic system (Fibrinopeptide A (-FPA-) for enzimoimmunoassay, immunological tissue plasminogen activator (t-PA) for enzimoimmunoassay, functional (t-PA) for -chromogenic substrate and functional t-PAinhibitor (PAI) in 40 non-operable lung cancer patients (Table I) comprising 39 males and one female, aged 45 to 67 (average 59). The results are compared with those from a control group of 20 healthy male volun-ters aged 32 to 58 (average 48).Table II shows the results obtained (mean ± SD) for the parameters found to be significantly different to those of the control group. An increase is seen in the levels of FPA, functional t-PA and PAI in the lung cancer group. In the case of the extensive -lung tumor patients, FPAfpa and t-PA levels are significantly higher than for the group of locally advanced neoplasmas.The plasma of lung cancer patients therefore shows fibrinolytic alterations and an increase in thromboplastin activity.

Risk of Bleeding from Primary Thromboprophylaxis (PTP) in Patients with Solid Cancer Receiving Chemotherapy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials (RCT)

Blood ◽  
2016 ◽  
Vol 128 (22) ◽  
pp. 3820-3820
Author(s):  
Kyaw Zin Thein ◽  
Aung M Tun ◽  
Sai-Ching J Yeung ◽  
Thein H. Oo
Keyword(s):  
Systematic Review ◽  
Cancer Patients ◽  
Meta Analysis ◽  
Bleeding Event ◽  
Bleeding Risk ◽  
Risk Difference ◽  
Control Group ◽  
Solid Cancer ◽  
Bleeding Events ◽  
Risk Of Bleeding

Abstract Introduction: Thrombosis is the second leading cause of death in cancer patients. Hypothetically, prognosis might be improved by preventing thrombotic events by PTP. PTP has to be outweighed with the bleeding risk from PTP benefit. Moreover, PTP in ambulatory cancer patients remains uncertain. We performed a systematic review and meta-analysis of RCTs to determine the risk of major bleeding (MB) and clinically relevant non-major (CRNM) bleeding from PTP with low-molecular weight heparins (LMWH) in solid cancer patients receiving chemotherapy. Methods: We systematically conducted a comprehensive literature search using MEDLINE and EMBASE databases through May 31, 2016. The RCTs with MB and CRNM bleeding as safety outcomes were included in the analysis. Mantel-Haenszel method was used to calculate the estimated pooled risk ratio (RR), and risk difference (RD) with 95% confidence interval (CI). Random effects model was applied. Results: 12 RCTs with a total of 8643 patients were eligible for analysis. Dalteparin, nadroparin, certoparin, semuloparin and bemiparin were used in the studies. 9 studies utilized prophylactic doses, while one used intermediate doses and 2 employed therapeutic dose. The PTP duration was from 6 weeks to 6 months. MB events were reported in 67 (1.486%) patients on PTP compared to 46 (1.112%) in control group. The pooled RR for MB was statistically nonsignificant at 1.341 (95% CI: 0.917 to 1.960, P = 0.130). CRNM bleeding events were noted in 209 (4.637%) in PTP group and 106 (2.563%) in control group. The RR for CRNM bleeding was statistically significant at 1.729 (95% CI: 1.017 to 2.938, P = 0.043). The absolute RD in CRNM bleeding was 0.020 (95% CI: 0.004 to 0.035, P = 0.012) with an estimated number needed to harm (NNH) of 48 to cause one CRNM bleeding event. Conclusions: Approximately 60 patients are needed to be treated with PTP to prevent one symptomatic venous thrombosis among all ambulatory unselected cancer patients on chemotherapy in a previous meta-analysis. Our meta-analysis revealed that PTP contributed an increase in CRNM bleeding events with NNH of 48. The risk of bleeding should not be underestimated and more RCTs are required before making any recommendations. Figure 1 Figure 1. Figure 2 Figure 2. Disclosures Oo: Daiichi Sankyo: Research Funding.

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