Vowst — Blue Cross Blue Shield of Oklahoma
prevention of recurrence of Clostridioides difficile infection (CDI)
Initial criteria
- The requested agent will be used to prevent recurrence of CDI
- Patient has a diagnosis of recurrent CDI defined by all of the following: ≥3 episodes of CDI in a 12‑month period; a positive C. difficile stool sample; an episode of ≥3 unformed stools per day for ≥2 consecutive days
- Patient has completed a standard of care oral antibiotic regimen (e.g., vancomycin, fidaxomicin) for recurrent CDI at least 2–4 days before starting the requested agent
- Patient has shown adequate clinical response to a standard of care oral antibiotic regimen, defined as <3 unformed stools in 24 hours for ≥2 consecutive days
- Requested agent will not be used in combination with any antibiotic regimen for any indication
- Patient age is within FDA labeling for the requested indication OR there is support for use at the patient’s age for the requested indication
- Prescriber is a specialist in the area of the patient’s diagnosis (e.g., infectious disease, gastroenterology) or has consulted such a specialist
- Patient has no FDA‑labeled contraindications to the requested agent
Approval duration
1 course per 12 months