The FDA has approved cladribine (Mavenclad – EMD Serono), a purine antimetabolite, for oral treatment of adults with relapsing forms of multiple sclerosis (MS), including relapsing-remitting disease and active secondary progressive MS (SPMS), who cannot tolerate or have had an inadequate response to other drugs indicated for treatment of MS. It is not recommended for use in patients with clinically isolated syndrome (CIS). IV cladribine, which is FDA-approved for treatment of hairy cell leukemia, has been used off-label for treatment of MS.

In our article on Bijuva, the oral fixed-dose combination of estradiol and progesterone (Med Lett Drugs Ther 2019; 61:99), Table 1 should have included single-ingredient oral formulations of estradiol and progesterone (see below). They will be added to the table as it appears online, along with medroxyprogesterone (Provera, and generics), another single-ingredient progestin available for use in women with an intact uterus who take systemic estrogen for menopausal symptoms. Taking generic estradiol and progesterone separately may be less convenient than taking Bijuva, but they cost less and...

Smoking tobacco remains the primary preventable cause of death in the US. Smoking cessation often requires both pharmacotherapy and behavioral support.

The FDA has approved Apadaz (KemPharm), a short-acting, fixed-dose combination of benzhydrocodone and acetaminophen, for short-term management (≤14 days) of acute pain severe enough to require an opioid and for which alternative treatment options are inadequate. Benzhydrocodone is a prodrug of hydrocodone. Fixed-dose combinations of short-acting hydrocodone and acetaminophen or ibuprofen have been available for years and are the most abused opioid products in the US. Apadaz was developed under the presumption that inclusion of the inactive prodrug would reduce the potential for...

View the Expanded Table: Some Drugs for Smoking Cessation

The oral antimalarial tafenoquine succinate, a long-acting analog of primaquine, has been approved by the FDA in 2 different strengths. Arakoda (100-mg tablets; Sixty Degrees) is indicated for the prophylaxis of malaria in adults. Krintafel (150-mg tablets; GSK) is indicated for the prevention of relapse (radical cure) of Plasmodium vivax malaria in patients ≥16 years old undergoing treatment for acute P. vivax infection.

Most colorectal cancers arise from localized adenomatous polyps in a process that may take 10 years or more. Early detection and removal of a precancerous colonic lesion (polyp) can prevent cancer from developing.

The FDA has approved Bijuva (TherapeuticsMD), a fixed-dose combination of estradiol and progesterone, for oral treatment of moderate to severe vasomotor symptoms (hot flashes) due to menopause in women with an intact uterus. The manufacturer is marketing Bijuva as "the first and only FDA-approved combination of bio-identical estradiol and bio-identical progesterone in a single daily oral capsule".

View the Expanded Table: Drugs for Prophylaxis of Malaria

In our Drugs for Chronic Heart Failure article,1 our description of the PARADIGM-HF trial comparing the combination of the ARB valsartan and the neprilysin inhibitor sacubitril (Entresto) with the ACE inhibitor enalapril for treatment of heart failure with reduced ejection fraction (HFrEF) characterized the dosage of enalapril as "suboptimal". Some readers have objected to that characterization.The FDA-approved dosage of enalapril for treatment of HFrEF is 2.5-20 mg twice daily. In PARADIGM-HF, the dosage was capped at 10 mg twice daily, a widely used dosage that has been shown to reduce...