Precision-Guided Therapy Selection
Respondr® Ordering Logistics
Ordering Respondr is simple. The first step is to download the current test requisition and fill it out completely for your patient.
Why use therapeutic drug monitoring during the transition from IV to SC IFX?1-3
- Gain important data to help optimize your patient’s treatment journey
- Prior to switch, measure baseline IV IFX trough concentrations and antibody levels
- Post-transition to SC IFX, establish new baseline and confirm adequate concentrations
- Consider therapeutic adjustments in conjunction with clinical presentation for durable drug response
Specimen Collection & Shipping Instructions
Please see the back of the test requisition for more information.
| Turnaround Time: | 4 business days from date of receipt |
| Transport Requirements: | Ambient or refrigerated cold pack (do not freeze) |
| Specimen Type & Volume: | 3.0 mL whole blood |
| Specimen Collection Tube: | EDTA / Lavender Top Tube |
| Storage / Stability: | 10 days ambient / 30 days refrigerated |
Respondr is part of the Prometheus continuum of care for IBD patients
Respondr TNF is a laboratory-developed test that was developed, and analytically and clinically validated by Prometheus Laboratories Inc. under federal Clinical Laboratory Improvement Amendments (CLIA) guidelines, and is performed exclusively in our high complexity CLIA-certified (05D0917432) and College of American Pathologists-accredited (6805501) clinical laboratory. As laboratory a developed test, it has not been cleared or approved by the US FDA. This test may be covered by one or more US pending or issued patents – see prometheuslabs.com/patents. This material is provided for general information purposes only as an educational service for healthcare physicians and their patients. It is not intended as a substitute for medical advice and/or consultation with a physician.