1
COVID-19 Update: New Pfizer and Moderna Vaccine Formulations for 2024-2025
The Medical Letter on Drugs and Therapeutics • September 16, 2024; (Issue 1711)
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.
2
Influenza Vaccine for 2024-2025
The Medical Letter on Drugs and Therapeutics • September 16, 2024; (Issue 1711)
Annual vaccination in the US against influenza A and
B viruses is recommended for everyone ≥6 months
old without a contraindication. Influenza vaccines
available in the US for the 2024-2025 season are
listed in Table 2.
3
Drugs for COPD
The Medical Letter on Drugs and Therapeutics • September 2, 2024; (Issue 1710)
The main goals of treatment of chronic obstructive
pulmonary disease (COPD) are to relieve symptoms,
reduce the frequency and severity of exacerbations,
prevent disease progression, and reduce mortality.
GOLD (Global Initiative for Chronic Obstructive Lung
Disease) guidelines for treatment of COPD were
updated recently. Treatment of acute exacerbations
is not discussed here. Drugs available for treatment
of COPD are listed in Tables 1 and 3.
4
In Brief: Expanded Indication for Elevidys
The Medical Letter on Drugs and Therapeutics • August 19, 2024; (Issue 1709)
The adeno-associated virus (AAV) vector-based
gene therapy delandistrogene moxeparvovec-rokl
(Elevidys – Sarepta) received accelerated approval
from the FDA in 2023 for treatment of ambulatory
children 4-5 years old with Duchenne muscular
dystrophy (DMD) who have a confirmed mutation
in the DMD gene. It has now received full approval
for use in ambulatory patients ≥4 years old and
accelerated approval for use in nonambulatory
patients with DMD.
5
In Brief: A New Torsemide Formulation (Soaanz) for Edema (online only)
The Medical Letter on Drugs and Therapeutics • August 19, 2024; (Issue 1709)
The FDA has approved Soaanz (Sarfez), a new
formulation of the loop diuretic torsemide, for
treatment of edema associated with heart failure or
renal disease in adults. Torsemide has been available
generically for years for treatment of hypertension and
treatment of edema due to heart failure, renal disease,
or hepatic disease. According to the manufacturer,
Soaanz tablets are formulated to provide a gradual
and sustained diuresis, lowering the risk of excessive
urination and hypokalemia.
6
In Brief: Alternatives to Adderall
The Medical Letter on Drugs and Therapeutics • November 28, 2022; (Issue 1664)
The short-acting formulation of mixed amphetamine
salts (Adderall, and generics) FDA-approved for
treatment of attention-deficit hyperactivity disorder
(ADHD) and narcolepsy, is currently in short supply in
the US. Until an adequate supply is restored, patients
may be looking for alternatives.
7
Comparison Table: Inhaled Drugs for Treatment of COPD (online only)
The Medical Letter on Drugs and Therapeutics • September 2, 2024; (Issue 1710)
View the Comparison Table: Inhaled Drugs for Treatment of COPD
8
In Brief: OTC Ivermectin for Head Lice
The Medical Letter on Drugs and Therapeutics • June 26, 2023; (Issue 1679)
Topical ivermectin lotion 0.5% (Sklice, and generics),
which has been available by prescription since 2012,
is now FDA-approved for sale over the counter (OTC)
for treatment of head lice in patients ≥6 months old.
Ivermectin is also available by prescription as a 1%
cream (Soolantra) approved for topical treatment of
inflammatory lesions of rosacea and in oral tablets
(Stromectol, and generics) for treatment of various
parasitic infections.
9
Donanemab (Kisunla) for Alzheimer's Disease
The Medical Letter on Drugs and Therapeutics • August 19, 2024; (Issue 1709)
Donanemab-azbt (Kisunla – Lilly), an IV amyloid beta-directed
monoclonal antibody, has been approved by
the FDA for treatment of Alzheimer's disease (AD).
The label states that the drug should only be started
in patients with mild cognitive impairment (MCI) or
mild dementia. Donanemab is the third IV amyloid
beta-directed monoclonal antibody to be marketed
in the US. Lecanemab (Leqembi – Biogen/Eisai) was
approved by the FDA in 2023 for the same indication
as donanemab. Aducanumab (Aduhelm – Lilly)
was granted accelerated approval in 2021, but it
was withdrawn from the market earlier this year for
commercial reasons.
10
Roflumilast Cream (Zoryve) for Atopic Dermatitis
The Medical Letter on Drugs and Therapeutics • September 16, 2024; (Issue 1711)
The FDA has approved a 0.15% cream formulation
of the phosphodiesterase-4 (PDE4) inhibitor
roflumilast (Zoryve – Arcutis) for topical treatment of
mild to moderate atopic dermatitis (AD) in patients
≥6 years old. Roflumilast is the second PDE4 inhibitor
to be approved in the US for treatment of AD;
crisaborole (Eucrisa), which can be used in patients
≥3 months old, was the first. Roflumilast is available
as Zoryve in a 0.3% cream for treatment of plaque
psoriasis and a 0.3% foam for treatment of seborrheic
dermatitis. It is also available in an oral formulation
(Daliresp) for treatment of chronic obstructive
pulmonary disease.