View Comparison Table: Some Drugs for Maintenance Treatment of Opioid Use Disorder

The FDA has approved the nitrofuran antiprotozoal drug nifurtimox (Lampit – Bayer) for treatment of Chagas disease (American trypanosomiasis) in children who weigh ≥2.5 kg. Nifurtimox was previously available in the US only through a CDC-sponsored Investigational New Drug (IND) program.

New 2024-2025 formulations of the mRNA COVID-19 vaccines manufactured by Pfizer/BioNTech (Comirnaty) and Moderna (Spikevax) that more closely target currently circulating variants have been licensed by the FDA for persons ≥12 years old and made available under FDA Emergency Use Authorizations (EUAs) for use in persons 6 months to 11 years old.1-3 A 2024-2025 formulation of the adjuvanted protein subunit COVID-19 vaccine manufactured by Novavax is expected to become available soon for persons ≥12 years old.

Inclisiran (Leqvio – Novartis), a subcutaneously injected small interfering RNA (siRNA) that decreases LDL-cholesterol (LDL-C) levels by reducing synthesis of proprotein convertase subtilisin/kexin type 9 (PCSK9), has been approved by the FDA for use with or without a statin to reduce LDL-C in adults with hypercholesterolemia, including heterozygous familial hypercholesterolemia (HeFH). Inclisiran had previously been approved for use only in combination with statin therapy.

Drugs for gout are used to reduce the pain and inflammation of acute flares, decrease the frequency of exacerbations, and lower serum urate levels to prevent recurrent flares, development of tophi, and joint damage.

Tirbanibulin, a microtubule inhibitor, has been approved by the FDA as a 1% ointment (Klisyri – Almirall) for topical treatment of actinic keratosis of the face or scalp.

The FDA has approved Entadfi (Veru), a fixed-dose combination of the 5α-reductase inhibitor finasteride and the phosphodiesterase type 5 (PDE5) inhibitor tadalafil, for initial treatment of benign prostatic hyperplasia (BPH) in men with an enlarged prostate; use of the drug is limited to 26 weeks. Entadfi is the first 5α-reductase inhibitor/PDE5 inhibitor combination to become available in the US. Finasteride (Proscar, and generics) and tadalafil (Cialis, and generics) are also available separately.

The FDA has approved the intravenously administered synthetic vasopressin analog terlipressin (Terlivaz – Mallinckrodt) to improve kidney function in adults with hepatorenal syndrome (HRS) and a rapid decline in kidney function. Terlipressin is the first drug to be approved for this indication in the US; it has been available in Europe and elsewhere for year

The goal of asthma treatment is to control symptoms, prevent exacerbations, and maintain normal lung function. Management of acute exacerbations in the emergency department is not discussed here.

An oral formulation of testosterone undecanoate (Jatenzo – Clarus) has been approved by the FDA for treatment of adult men with conditions associated with a deficiency of endogenous testosterone, such as Klinefelter syndrome, orchiectomy, toxic damage from chemotherapy or alcohol, or pituitary-hypothalamic injury from tumors, trauma, or radiation. Jatenzo is not approved for treatment of low testosterone levels solely due to aging. It is the first oral testosterone formulation to be approved in the US.