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Chlorambucil

Although it is less toxic than most other nitrogen mustards, it has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (Merck Index, 11th ed)

Prochlorperazine

[L6637] Prochlorperazine was first developed in the 1950s [L6643] and was first approved by the FDA in 1956. … Although newer antiemetic agents such as 5-HT3 antagonists are more heavily promoted, prochlorperazine is still widely used in nausea and vomiting.[L6640]

Pegzilarginase

FDA in February 2026 for the treatment of hyperargininemia in adult and pediatric patients aged 2 years and older with ARG1-D, to be used in conjunction with dietary protein restriction. … Pegzilarginase is a recombinant, cobalt-substituted, and pegylated human arginase 1 enzyme therapy designed to address the underlying metabolic deficit in arginase 1 deficiency (ARG1-D).

Tropisetron

Tropisetron is an indole derivative with antiemetic activity. … As a selective serotonin receptor antagonist, tropisetron competitively blocks the action of serotonin at 5HT3 receptors, resulting in suppression of chemotherapy- and radiotherapy-induced nausea and vomiting

Anagrelide

[L14153] It is an oral imidazoquinazoline that was first approved for use in the US in 1997.[A214274] It appears to carry a better response rate than other thrombocythemia treatments (e.g. … Anagrelide is a platelet-reducing agent used to lower dangerously elevated platelet levels (i.e. to treat thrombocythemia) in patients with myeloproliferative neoplasms.

Melphalan flufenamide

It has since been withdrawn from the market in the wake of the phase 3 OCEAN trial which showed a decrease in overall survival in comparison to standard treatment with [pomalidomide] and [dexamethasone … [A230143,L32173] Melphalan flufenamide was granted FDA approval on 26 February 2021.[L32173].

Zopapogene imadenovec

[L54081] Zopapogene imadenovec is a non-replicating adenoviral vector–based immunotherapy that expresses a fusion antigen from selected regions of HPV-6/11 proteins to elicit an immune response in RRP. … Food and Drug Administration (FDA) for the treatment of adults with RRP, receiving full FDA approval on August 15, 2025.[L54081]

Citrus bioflavonoids

Zucapsaicin

Zucapsaicin was approved by the Health Canada in 2010 as topical cream marketed under the brand name Zuacta but currently not FDA-approved.

Moxifloxacin

Bayer AG developed the drug (initially called BAY 12-8039) and it is marketed worldwide (as the hydrochloride) under the brand name Avelox (in some countries also Avalox) for oral treatment.