Accuracy Evaluation of the BD FACS Presto System
| Status: | Completed |
|---|---|
| Conditions: | HIV / AIDS, HIV / AIDS, HIV / AIDS |
| Therapuetic Areas: | Immunology / Infectious Diseases |
| Healthy: | No |
| Age Range: | Any |
| Updated: | 1/27/2017 |
| Start Date: | February 2015 |
| End Date: | May 2015 |
Accuracy Evaluation of the BD FACS Presto System: Instrument, Software and BD CD4/%CD4/Hb Cartridge Assay
The enumeration of T lymphocytes positive for the CD4 antigen is used to determine the
immune status of patients with, or suspected of developing, immune deficiencies such as
AIDS. The BD FACS Presto™ is an investigational automated system for in vitro diagnostic use
in performing the direct enumeration of CD4 absolute count, CD4 percentage of lymphocytes,
and hemoglobin (Hb) concentration in human whole blood.
This is a prospective study to determine the relative bias between the investigational BD
FACS Presto system and the predicate BD FACS Calibur with BD Tritest system in their
determination of absolute CD4, % CD4, and Hb concentrations.
immune status of patients with, or suspected of developing, immune deficiencies such as
AIDS. The BD FACS Presto™ is an investigational automated system for in vitro diagnostic use
in performing the direct enumeration of CD4 absolute count, CD4 percentage of lymphocytes,
and hemoglobin (Hb) concentration in human whole blood.
This is a prospective study to determine the relative bias between the investigational BD
FACS Presto system and the predicate BD FACS Calibur with BD Tritest system in their
determination of absolute CD4, % CD4, and Hb concentrations.
Inclusion Criteria:
- Subject has been infected with HIV and willing to provide informed consent to draw
venous and capillary blood
- Specimen: Venous blood must be collected in blood collection tube with EDTA
anticoagulant and stored at room temperature (20-25 °C) according to tube
manufacturer's instructions
- Specimen: post enrolment staining within 24 hours
- venous blood of acceptable quality for flow cytometry, e.g. no hemolysis or clots and
acceptable pre analytical handling)
- venous blood sample > 1 mL for sample preparation
- capillary blood applied to the investigational CD4/%CD4/Hb cartridge
Exclusion Criteria:
- Subject unwilling to disclose medical information regarding previous CD4 test results
- Subject unwilling to discuss medical information regarding co-morbid conditions and
current medications
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Childrens Hospital Los Angeles Children's Hospital Los Angeles is a 501(c)(3) nonprofit hospital for pediatric...
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