User Performance Evaluation of the INRatio® Prothrombin Time (PT) Monitoring System With a New INRatio Test Strip Designed for Low Sample Volume and Heparin Insensitivity (ECLIPSE-02)

B

Biosite

Status

Completed

Conditions

Oral Anticoagulation

Study type

Observational

Funder types

Other

Identifiers

NCT01036646
BSTE-0125

Details and patient eligibility

About

This multi-center study is designed to evaluate the ability of intended lay users (patients on oral anticoagulation therapy, OAT, or their caregivers) to 1) operate the INRatio Prothrombin Time (PT) Monitoring System utilizing the INRatio test strip newly designed for low sample volume and heparin insensitivity, and 2) obtain accurate results for the quantitative determination of International Normalized Ratio (INR) when self-testing using fingerstick capillary blood. Patients will be trained by their healthcare provider using the instructions for use and product labeling provided. The accuracy of the patient INR results will be assessed by comparison to the INR results obtained by the site's trained healthcare professional using the same INRatio system (from a separate fingerstick collected from the same patient at the point-of-care), and with the INR results obtained on venous plasma obtained from the same patient and analyzed at a central laboratory with the Sysmex CA-560 System INR reference method.

Enrollment

183 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adults (18 years of age or older);
  • Ability to read and speak English;
  • Subjects on stable oral anticoagulation therapy with warfarin (at least 3 months);
  • Target INR interval between 2.0 and 4.5
  • Willing and able to provide written informed consent and comply with study procedures;

Exclusion criteria

  • Hematocrit less than 25 or greater than 55%
  • Lupus or antiphospholipid syndrome (APS)
  • Already participated in this study
  • A current INRatio PT Monitoring System User / Patient Self Tester

Trial design

183 participants in 2 patient groups

BSTE-0125-Original Protocol
BSTE-0125.a-Amended Protocol

Trial contacts and locations

4

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Data sourced from clinicaltrials.gov

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