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Istradefylline 40 MG Oral Tablet [Nourianz] — RxCUI 2199030

RxNorm drug concept · Semantic branded drug
RxCUI 2199030 Semantic branded drug · SBD ● Current RxNorm concept 2 FDA products 4 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI2199030
Official nameIstradefylline 40 MG Oral Tablet [Nourianz]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asNourianz 40 MG Oral Tablet
FDA products mapped2
Package NDCs mapped4
Reported Medicaid activity (SDUD)400 prescriptions · 3 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Istradefylline: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Nourianz is designed to reduce your 'off' time — those stretches during the day when your levodopa wears off and your Parkinson's symptoms come back or get worse. It works alongsid...
  • What exactly is Nourianz supposed to do for my Parkinson's disease?
  • Yes — you can take it either way. A high-fat meal does slightly increase how much of the drug gets into your system, but that difference isn't considered clinically significant, so...
  • Can I take Nourianz with or without food?
📖 Read our full Istradefylline guide →

🕸️ Concept Web — How Istradefylline 40 MG Oral Tablet [Nourianz] Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Istradefylline 40 MG Oral Tablet [Nourianz] RxCUI 2199030

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Istradefylline 2199015
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Nourianz 2199021
  3. Dose forms 9

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Istradefylline Oral Tablet 2199019
    • Istradefylline Oral Product 2199017
    • Istradefylline Pill 2199018
    • Istradefylline Oral Tablet [Nourianz] 2199023
    • Nourianz Oral Product 2199024
    • Nourianz Pill 2199025
    • Oral Tablet 317541
    • Oral Product 1151131
    • +1 more in this family
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 13 of 14 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Istradefylline 40 MG Oral Tablet SCD · 2199028
  • Istradefylline 40 MG SCDC · 2199027
  • Istradefylline Oral Tablet SCDF · 2199019
  • Istradefylline Oral Product SCDG · 2199017
  • Istradefylline Pill SCDG · 2199018

Brand-Name Concepts

  • Istradefylline 40 MG [Nourianz] SBDC · 2199029
  • Istradefylline Oral Tablet [Nourianz] SBDF · 2199023
  • Nourianz Oral Product SBDG · 2199024
  • Nourianz Pill SBDG · 2199025
  • Nourianz BN · 2199021

📦 FDA Products & Package NDCs

2 products · 4 package NDCs
4 package NDCs map to RxCUI 2199030 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
42747-0602-07 1 BLISTER PACK in 1 BOX (42747-602-07) / 7 TABLET, FILM COA... NOURIANZ Kyowa Kirin, Inc. 2019-08-27
42747-0602-90 90 TABLET, FILM COATED in 1 BOTTLE (42747-602-90) NOURIANZ Kyowa Kirin, Inc. 2019-08-27
42747-0604-07 1 BLISTER PACK in 1 BOX (42747-604-07) / 7 TABLET, FILM COA... NOURIANZ Kyowa Kirin, Inc. 2019-08-27
42747-0604-90 90 TABLET, FILM COATED in 1 BOTTLE (42747-604-90) NOURIANZ Kyowa Kirin, Inc. 2019-08-27
Observed labelers: Kyowa Kirin, Inc. (4) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.