Arranon (nelarabine)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Nelarabine, a prodrug of the deoxyguanosine analog 9-beta-D-arabinofuranosylguanine (ara-G), is an antimetabolite antineoplastic agent.

Nelarabine, a prodrug of the deoxyguanosine analog ara-G, is an antimetabolite antineoplastic agent. Nelarabine is demethylated by adenosine deaminase (ADA) to ara-G, monophosphorylated by deoxyguanosine kinase and deoxycytidine kinase, and subsequently converted to the active 5'-triphosphate, ara-GTP. Ara-GTP accumulates in leukemic blasts and is incorporated into DNA, inducing fragmentation and apoptosis.

Other mechanisms may contribute to the pharmacologic and toxicologic effects of the drug.

Nelarabine and ara-G are extensively distributed throughout the body and are not substantially bound to human plasma proteins (less than 25%). Following IV administration of nelarabine in adult patients with refractory leukemia or lymphoma, nelarabine and ara-G are rapidly eliminated from the plasma with a half-life of about 30 minutes and 3 hours, respectively. Mean clearance of nelarabine is about 30% higher in pediatric patients than in adult patients, while clearance of ara-G is similar in the two groups.

Nelarabine and ara-G are partially (5-10 and 20-30%, respectively, of the administered dose) excreted by the kidneys.

USES: This medication is used to treat certain cancers (leukemia, lymphoma). Nelarabine is a chemotherapy drug that works by slowing or stopping the growth of cancer cells.

Generic name: nelarabine
Pronunciation: (nel-AR-a-been)

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

The following indications are listed for Arranon:

  • T-Cell Acute Lymphoblastic Leukemia
  • T-Cell Lymphoblastic Lymphoma

Also known as: Precursor T-Cell Lymphoblastic Lymphoma, T Lymphoblastic Lymphoma, T-Lymphoblastic Lymphoma.

Dosing

The optimal duration of treatment in adult or pediatric patients has not been clearly established. In clinical trials, treatment generally was continued until evidence of disease progression, unacceptable toxicity, bone marrow transplantation, or lack of clinical benefit was observed or until patients became candidates for bone marrow transplantation.

Nelarabine should be discontinued in patients experiencing neurotoxicity of NCI Common Toxicity Criteria grade 2 or greater. (See Neurotoxicity under Warnings/Precautions: Warnings, in Cautions.) Dosage may be delayed for other toxicity (e.g., hematologic toxicity).

Drug interactions

There is no enhanced messaging for this drug.

Contraindications

Known hypersensitivity to nelarabine or any ingredient in the formulation.

Adverse reactions

Adverse effects reported in 5% or more of adults receiving nelarabine include anemia, thrombocytopenia, neutropenia, febrile neutropenia, somnolence, dizziness, peripheral neurologic disorders, peripheral neuropathy, peripheral motor neuropathy, peripheral sensory neuropathy, hypoesthesia, headache, paresthesia, ataxia, depressed level of consciousness, tremor, fatigue, pyrexia, asthenia, confusion, insomnia, depression, muscular weakness, myalgia, arthralgia, back pain, extremity pain, abnormal gait, nausea, diarrhea, vomiting, constipation, abdominal pain, anorexia, stomatitis, abdominal distension, sinus tachycardia, peripheral edema, edema, pain, rigors, chest pain, noncardiac chest pain, infection, pneumonia, sinusitis, increased serum AST concentrations, dehydration, hyperglycemia, cough, dyspnea, pleural effusion, epistaxis, exertional dyspnea, wheezing, petechiae, and hypotension.

Adverse effects reported in 5% or more of pediatric patients receiving nelarabine include anemia, neutropenia, thrombocytopenia, leukopenia, headache, peripheral neurologic disorders, peripheral neuropathy, peripheral sensory neuropathy, somnolence, hypoesthesia, seizures, increased serum transaminase concentrations, hyperbilirubinemia, hypoalbuminemia, hypokalemia, hypocalcemia, increased serum creatinine concentrations, hypoglycemia, hypomagnesemia, vomiting, asthenia, and infection.

Precautions

No enhanced messaging available.

ICD codes

No ICD codes are available for this drug.

Formulary status

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Last reviewed · Source: First Databank (FDB) drug data