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Tolcapone

Tolcapone is a drug that inhibits the enzyme catechol-O-methyl transferase (COMT). It is used in the treatment of Parkinson's disease as an adjunct to levodopa/carbidopa medication. … It is a yellow, odorless, non-hygroscopic, crystalline compound. Tolcapone is associated with a risk of hepatotoxicity.

Methyclothiazide

A thiazide diuretic with properties similar to those of hydrochlorothiazide. (From Martindale, The Extra Pharmacopoeia, 30th ed, p825)

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).

Mavacamten

It received initial US FDA approval in 2022, and it is one of the first myosin inhibitors to be used in humans. … [A248440] Mavacamten was also approved by Health Canada in October 2022 and by EMA in July 2023 for the same indication.[L44106,L47471]

Mirdametinib

[L52485] NF1 is an autosomal-dominant genetic condition caused by loss-of-function variants in the _NF1_ tumour suppressor gene,[A265065,A265070] leading to neurofibromin dysfunction and aberrant activation … Mirdametinib is a mitogen-activated protein kinase (MAP2K, MEK, MAPKK) inhibitor. On February 11, 2025, mirdametinib was approved by the FDA for the treatment of neurofibromatosis type 1 (NF1).

Tideglusib

It is reported to be a potent anti-inflammatory and neuroprotective that is a non-ATP competitive inhibitor of glycogen synthase kinase 3 (GSK-3). … [A31601] Tideglusib is being developed by the Spanish pharmaceutic company Zeltia group and its current status is withdrawn for the treatment of Alzheimer's disease as of 2012.

Raxtozinameran

It works by binding to the spike (S) protein of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), which is a transmembrane glycoprotein that plays a vital role in viral pathogenesis, evolutions … [A273680] Raxtozinameran was first approved by the FDA and EMA through emergency use in December 2020.[L52565,L39272]

Sibeprenlimab

[L54633] On November 25, 2025, sibeprenlimab was granted accelerated approval by the FDA to reduce proteinuria in adults with primary IgAN at risk for disease progression.[L54628] … [A274848, A274853, A274858] Elevated APRIL levels are often observed in inflammatory disorders, including immunoglobulin A nephropathy (IgAN).

Phenyl trimethicone

Dichromate