PurposeA proportion of patients with pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH) do not achieve treatment goals or experience side effects on their current therapy. In such cases, switching patients to a new drug while discontinuing the first may be a viable and appropriate treatment option. CAPTURE was designed to investigate how physicians manage the switching of patients to riociguat in real-world clinical practice. Observations from the study were used to assess whether recommendations in the riociguat prescribing information are reflected in clinical practice.MethodsCAPTURE was an international, multicenter, uncontrolled, retrospective chart review that collected data from patients with PAH or inoperable or persistent/recurrent CTEPH who switched to riociguat from another pulmonary hypertension (PH)-targeted medical therapy. The primary objective of the study was to understand the procedure undertaken in real-world clinical practice for patients switching to riociguat.ResultsOf 127 patients screened, 125 were enrolled in CAPTURE. The majority of patients switched from a phosphodiesterase type 5 inhibitor (PDE5i) to riociguat and the most common reason for switching was lack of efficacy. Physicians were already using the recommended treatment-free period when switching patients to riociguat from sildenafil, but a slightly longer period than recommended for tadalafil. In line with the contraindication, the majority of patients did not receive riociguat and PDE5i therapy concomitantly. Physicians also followed the recommended dose-adjustment procedure for riociguat.ConclusionSwitching to riociguat from another PH-targeted therapy may be feasible in real-world clinical practice in the context of the current recommendations.Electronic supplementary materialThe online version of this article (10.1007/s00408-018-0100-3) contains supplementary material, which is available to authorized users.
This edition of the ACR Manual on Contrast Media replaces all earlier editions. It is being published as a webbased document only so it can be updated as frequently as needed.This manual was developed by the ACR Committee on Drugs and Contrast Media of the ACR Commission on Quality and Safety as a guide for radiologists to enhance the safe and effective use of contrast media. The Committee offers this document to practicing radiologists as a consensus of scientific evidence and clinical experience concerning the use of contrast media. Suggestions for patient screening, premedication, recognition of adverse reactions, and emergency treatment of such reactions are emphasized. Its major purpose is to provide useful information regarding contrast media used in daily practice.The editorial staff sincerely thanks all who have contributed their knowledge and valuable time to this publication.
Aims To determine the characteristics of patients with coronary artery disease (CAD), peripheral artery disease (PAD), or both, initiating dual pathway inhibition (DPI) using rivaroxaban 2.5 mg twice daily plus aspirin, and to report their clinical outcomes and bleeding rates in clinical practice compared to the COMPASS randomized trial, which provided the basis for using DPI in this patient population. Methods and results XATOA is a prospective registry of 5532 patients: of which, 72.7% had CAD, 58.9% had PAD, and 31.6% had both. The mean age of patients was 68 years and 25.5% were women. The mean follow-up period was 15 months. The most frequently reported reason for initiating DPI was the presence of existing, worsening or newly diagnosed risk characteristics (n = 4753, 85.9%). Before initiating DPI, 75.3% received a single antiplatelet and 18.3% received various antiplatelet combinations. The incidence of major adverse cardiovascular events (MACE), major adverse limb events (MALE) and acute or severe limb ischaemia was 2.26, 3.57, and 1.54 per 100 patient-years, respectively, among the 5532 patients in XATOA. Corresponding rates in COMPASS were 2.18, 0.19, and 0.12 per 100 patient-years, respectively. Major bleeding rates were 0.95 and 1.67 per 100 patient-years in XATOA and COMPASS, respectively. Conclusion High-risk vascular patients are prioritized for DPI in clinical practice, and rates of MACE are similar to COMPASS, but MALE rates are higher in XATOA, consistent with the greater proportion of PAD patients. Major bleeding rates were lower in XATOA. The findings provide support for favourable net clinical benefit of DPI in high-risk vascular patients. One-sentence summary The characteristics of patients initiated on dual pathway inhibition (DPI: rivaroxaban 2.5 mg twice daily plus aspirin) have not previously been defined in clinical practice and the XATOA registry findings demonstrate patient outcomes are consistent with those of the COMPASS trial, despite geographic differences in recruitment and the higher proportion of PAD patients.
PurposeReal-world data on the use of rivaroxaban in the perioperative period in patients undergoing major orthopedic surgery are limited. Subsets of data from the Phase IV, non-interventional XAMOS study were analyzed to explore the potential influence of timing of the first thrombo prophylactic dose, type of anesthesia, and concomitant mechanical prophylaxis on clinical outcomes in patients undergoing major orthopedic surgery in routine clinical practice.Patients and methodsIn XAMOS, 8,778 patients received rivaroxaban (10 mg once daily) and 8,635 received standard-of-care (SOC) pharmacological prophylaxis (safety population). Crude incidences of symptomatic thromboembolic and treatment-emergent bleeding events were analyzed according to timing of the first postoperative thromboprophylactic dose, use of general or neuraxial anesthesia, and use of mechanical prophylaxis with pharmacological thromboprophylaxis.ResultsIn the rivaroxaban group, the incidences of symptomatic thromboembolic events were 0.7%, 1.0%, and 0.7% in patients receiving the first thromboprophylactic dose at ≤6 hours, >6 hours to ≤10 hours, and >10 hours to ≤24 hours after surgery, respectively. In the SOC group, the incidence of symptomatic thromboembolic events was slightly higher when the postoperative dose was given at >10 hours to ≤24 hours (1.8% vs 1.1% at ≤6 hours and 1.3% at >6 hours to ≤10 hours). The antithrombotic effect of rivaroxaban was maintained in comparison to the SOC group. The incidence of major bleeding (RECORD trial definition) was low and similar between the two treatment groups and was not influenced by timing of the first thromboprophylactic dose. Neuraxial anesthesia was used more than any other form of anesthesia for both hip and knee surgery; the effectiveness of rivaroxaban was not influenced by the type of anesthesia used. No spinal hematomas were reported in patients receiving neuraxial anesthesia in either treatment group. Use of mechanical thromboprophylaxis in addition to rivaroxaban or SOC pharmacological prophylaxis did not reduce the risk of thromboembolic events further.ConclusionThe effectiveness and safety of rivaroxaban in patients undergoing major orthopedic surgery in routine clinical practice were maintained irrespective of timing of the first postoperative dose within 24 hours after surgery, the type of anesthesia, and the additional use of mechanical thromboprophylaxis.
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