TOPOTECAN HYDROCHLORIDE vs ZEPZELCA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. TOPOTECAN HYDROCHLORIDE and ZEPZELCA 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	TOPOTECAN HYDROCHLORIDE	ZEPZELCA
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	TOPOTECAN HYDROCHLORIDE	LURBINECTEDIN
Manufacturer	Accord Hlthcare	Jazz
Dosage forms	Injectable	Injectable
Drug class	—	—
Boxed warning	Boxed warning	None
Treats	Non-Small-Cell Lung Carcinoma, Uterine Cervical Neoplasms, Ovarian Neoplasms	Small Cell Lung Carcinoma

topotecan hydrochloride zepzelca

Rating

New

Pharmacy pays

—

Type

Active ingredient

TOPOTECAN HYDROCHLORIDE

LURBINECTEDIN

Manufacturer

Accord Hlthcare

Jazz

Dosage forms

Injectable

Drug class

—

Boxed warning

None

Treats

Non-Small-Cell Lung Carcinoma, Uterine Cervical Neoplasms, Ovarian Neoplasms

Small Cell Lung Carcinoma

Frequently asked questions

What is the difference between Topotecan Hydrochloride and Zepzelca?

Topotecan Hydrochloride contains Topotecan Hydrochloride, while Zepzelca contains Lurbinectedin — 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.