GLEOSTINE vs ZEVALIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 13, 2026·How we rate

Possible drug interaction. GLEOSTINE and ZEVALIN are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	GLEOSTINE	ZEVALIN
Rating	70/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	LOMUSTINE	IBRITUMOMAB TIUXETAN
Manufacturer	Azurity	Spectrum Pharms
Dosage forms	Capsule	Kit
Drug class	Alkylating Drug	—
Boxed warning	Boxed warning	Boxed warning
Half-life	about 16 to 48 hours — but note this is the half-life of lomustine's metabolites, not the parent drug	—
Treats	Brain Neoplasms, Colonic Neoplasms, Hodgkin Disease	Follicular Lymphoma, Non-Hodgkin Lymphoma, B-Cell Lymphoma

gleostine zevalin

Rating

70/100

New

Pharmacy pays

—

Type

Active ingredient

LOMUSTINE

IBRITUMOMAB TIUXETAN

Manufacturer

Azurity

Spectrum Pharms

Dosage forms

Capsule

Kit

Drug class

Alkylating Drug

—

Boxed warning

Half-life

about 16 to 48 hours — but note this is the half-life of lomustine's metabolites, not the parent drug

—

Treats

Brain Neoplasms, Colonic Neoplasms, Hodgkin Disease

Follicular Lymphoma, Non-Hodgkin Lymphoma, B-Cell Lymphoma

Frequently asked questions

What is the difference between Gleostine and Zevalin?

Gleostine contains Lomustine, while Zevalin contains Ibritumomab Tiuxetan — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.