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Influenza B virus B/Washington/02/2019 antigen (formaldehyde inactivated)

Vaccines provide protection from influenza by exposing the immune system to the virus (or parts of the virus) which stimulates an immunological defence against future exposure to the virus, or "antigen … In contrast, live vaccines are produced from "wild-type" or disease-causing viruses that have been attenuated, or weakened, through various laboratory techniques.

Neon

It is the fifth most abundant chemical element in the universe by mass but a rare element on Earth. … Neon may be used in the clinical setting as a diagnostic tracer gas in a gas analyzer for a lung diffusion test.

VL-2397

Dichloroacetic acid

A phase 1 study in 5 patients concluded that DCA was safe, but wasn't designed to establish effectiveness. … DCA was approved for use in Canada in 1989 (as a topical formulation for treatment of warts and for cauterization and removal of a wide variety of skin and tissue lesions), but was cancelled post market

Macimorelin

Macimorelin, developed by Aeterna Zentaris, was approved by the FDA in December 2017 under the market name Macrilen for oral solution. … In addition, individuals with may be susceptible to cardiovascular complications from altered structures and function [A31484].

Clevidipine

Clevidipine is a dihydropyridine L-type calcium channel blocker that is selective for vascular smooth muscle and is indicated for blood pressure reduction when oral therapy is not an option.

Betibeglogene autotemcel

[A251770,A251785] Betibeglogene autotemcel was approved by the FDA in August 2022 and is the first ex-vivo lentiviral vector gene therapy available in the U.S. for the treatment of people with β-thalassemia … [L42940] BB305 LVV encodes β^A-T87Q-globin, compensating for the lack of β-globin in these patients.

Cephaloglycin

A cephalorsporin antibiotic that is no longer commonly used.

Theophylline

A methylxanthine derivative from tea with diuretic, smooth muscle relaxant, bronchial dilation, cardiac and central nervous system stimulant activities. … Theophylline is marketed under several brand names such as Uniphyl and Theochron, and it is indicated mainly for asthma, bronchospasm, and COPD.

Etuvetidigene Autotemcel

[L54693] WAS is a rare X-linked disorder caused by a mutation in the gene encoding the WAS protein, leading to a compromised immune system. … [L54698] First approved by the FDA on December 9, 2025, etuvetidigene autotemcel is used to treat Wiskott–Aldrich syndrome (WAS) in selected pediatric and adult patients.