Recombinant interferon alfa-2b (Intron A - Schering) was recently approved by the US Food and Drug Administration (FDA) for intralesional treatment of genital warts (condylomata acuminata). Interferon was previously available only for treatment of hairy-cell leukemia (Medical Letter, 28:78, 1986).

The FDA has approved the antiviral drug remdesivir (Veklury – Gilead) for IV treatment of COVID-19 in hospitalized patients who are ≥12 years old and weigh ≥40 kg. Hospitalized children who are <12 years old or weigh <40 kg can receive remdesivir through an Emergency Use Authorization (EUA). Remdesivir is the first drug to be approved in the US for treatment of COVID-19.

The FDA has approved siponimod (Mayzent – Novartis), a sphingosine 1-phosphate (S1P) receptor modulator, for oral treatment of adults with relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome (initial neurological episode), relapsing-remitting disease, and active secondary progressive MS (SPMS). Siponimod is the second S1P receptor modulator to be approved in the US; fingolimod (Gilenya), which is approved for oral treatment of relapsing forms of MS in patients ≥10 years old, was the first. The purine antimetabolite cladribine (Mavenclad) was also...

The FDA has approved the recombinant chimeric anti-CD20 antibody ublituximab-xiiy (Briumvi – TG Therapeutics) for IV treatment of adults with relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome (initial neurological episode), relapsing-remitting disease, and active secondary progressive MS (SPMS). Two other anti-CD20 antibodies, IV ocrelizumab (Ocrevus) and SC ofatumumab (Kesimpta), are also FDA-approved for these indications.

The severity and rapid spread of COVID-19 (caused by SARS-CoV-2) have raised questions about the use of some drugs in patients with the disease and whether currently available drugs could be effective in treating it. Definitive answers are lacking, but some recommendations can be made. For additional information on specific drugs, see our table Some Drugs Being Considered for Treatment of COVID-19.

The FDA has approved a subcutaneous formulation of the recombinant human anti-CD20 antibody ofatumumab (Kesimpta – Novartis) for treatment of adults with relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome (initial neurological episode), relapsing-remitting disease, and active secondary progressive MS (SPMS). Kesimpta is the second anti-CD20 antibody to be approved for these indications; IV ocrelizumab (Ocrevus), which is also approved for treatment of primary progressive MS, was the first. An IV formulation of ofatumumab (Arzerra) has...

Older patients are especially susceptible to drug-induced cognitive impairment. They are more likely to be taking multiple drugs, to have higher blood levels of those drugs because of renal or hepatic dysfunction, and to have pre-existing cognitive problems that make it difficult to detect the role of drugs causing new symptoms or making old ones worse.

The FDA has approved an oral solution of the nonselective beta-adrenergic blocker propranolol (Hemangeol – Pierre Fabre) for treatment of proliferating infantile hemangiomas.

The FDA has approved the interleukin-1 (IL-1) beta inhibitor canakinumab (Ilaris – Novartis) for treatment of systemic juvenile idiopathic arthritis (sJIA; formerly called juvenile rheumatoid arthritis or Still’s disease) in children ≥2 years old. Canakinumab was approved earlier for treatment of cryopyrin-associated periodic syndromes (CAPS). Tocilizumab (Actemra), an interleukin-6 (IL-6) inhibitor that has been available since 2010 for treatment of rheumatoid arthritis in adults, was also recently approved by the FDA for sJIA. Canakinumab is the only IL-1 inhibitor approved...

Many drugs can cause psychiatric symptoms, but a causal connection is often difficult to establish. Psychiatric symptoms that emerge during drug treatment could also be due to the underlying illness, previously unrecognized psychopathology, or psychosocial factors. The withdrawal of some drugs can cause symptoms such as anxiety, psychosis, delirium, agitation or depression.

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