TheraRadar

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Data updated: Mar 10, 2026

ARRANON

NELARABINE Nucleic Acid Synthesis Inhibitors
Oncology Approved 2005-10-28
2
Indications
--
Phase 3 Trials
1
Priority Reviews
20
Years on Market

Details

Status
Prescription
First Approved
2005-10-28
Routes
INTRAVENOUS
Dosage Forms
INJECTABLE

Companies

Active Ingredient: NELARABINE

ARRANON Approval History

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What ARRANON Treats

2 indications

ARRANON is approved for 2 conditions since its original approval in 2005. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • T-Cell Acute Lymphoblastic Leukemia
  • T-Cell Lymphoblastic Lymphoma
Source: FDA Label

ARRANON Boxed Warning

NEUROLOGIC ADVERSE REACTIONS Severe neurologic adverse reactions have been reported with the use of ARRANON ® . These adverse reactions have included altered mental states including severe somnolence, central nervous system effects including convulsions, and peripheral neuropathy ranging from numbness and paresthesias to motor weakness and paralysis. There have also been reports of adverse reactions associated with demyelination, and ascending peripheral neuropathies similar in appearance to Gui...

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

ARRANON FDA Label Details

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Indications & Usage

FDA Label (PDF)

ARRANON is indicated for the treatment of T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) in adult and pediatric patients age 1 year and older whose disease has not responded to or has relapsed following treatment with at least 2 chemotherapy regimens. ARRANON is a nucleoside metabolic inhibitor indicated for the treatment of patients with T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) in adult and pediatric patients age 1 year and older whose disease has not responded to or has relapsed following treatment with at le...

⚠️ BOXED WARNING

WARNING: NEUROLOGIC ADVERSE REACTIONS Severe neurologic adverse reactions have been reported with the use of ARRANON ® . These adverse reactions have included altered mental states including severe somnolence, central nervous system effects including convulsions, and peripheral neuropathy ranging fr...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.