DEA schedule
Is Nourianz a controlled substance?
Nourianz contains istradefylline. Federal schedule from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Nourianz (istradefylline) is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and istradefylline is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 2 prescription listings from 1 labelers, none with a DEA schedule |
| DEA controlled substances list | istradefylline is not on the list |
Nourianz NDC listings
Questions
Is Nourianz a controlled substance?
No. Nourianz (istradefylline) is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and istradefylline is not on the DEA controlled substances list.
Is Nourianz a narcotic?
No. Nourianz (istradefylline) is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic.
Does this page cover state schedules?
No. This page reports the federal schedule only. Some states schedule drugs on their own; check your state board of pharmacy.