1
Seasonal Influenza Vaccination: 2026-2027
The Medical Letter on Drugs and Therapeutics • October 12, 2026; (Issue 1765)
Annual influenza vaccination is recommended for all persons
≥6 months old without a contraindication. Influenza
vaccines available this season in the US are listed in Table 3.
2
In Brief: A Cardiovascular Indication for Tirzepatide (Mounjaro)
The Medical Letter on Drugs and Therapeutics • October 12, 2026; (Issue 1765)
The injectable GIP/GLP-1 receptor agonist tirzepatide
(Mounjaro – Lilly), which was approved by the FDA in 2022
for treatment of type 2 diabetes, has now been approved
to reduce the risk of MACE in adults with type 2 diabetes
who are at high risk for these events. Tirzepatide is also
available as Zepbound for chronic weight management
and for treatment of obstructive sleep apnea in adults with
obesity.
3
Comparison Table: Some Drugs for Migraine Prevention (online only)
The Medical Letter on Drugs and Therapeutics • September 28, 2026; (Issue 1764)
View the Comparison Table: Some Drugs for Migraine Prevention
4
Treatment of Allergic Rhinitis and Allergic Conjunctivitis
The Medical Letter on Drugs and Therapeutics • March 31, 2025; (Issue 1725)
Initial treatment of allergic rhinitis (AR) depends
on the severity of symptoms and whether they are
intermittent or persistent (see Table 1).
5
Once-Weekly Insulin Icodec (Awiqli) for Type 2 Diabetes
The Medical Letter on Drugs and Therapeutics • September 28, 2026; (Issue 1764)
Insulin icodec (Awiqli – Novo Nordisk), an ultra-long-acting
basal human insulin analog, has been approved
by the FDA for once weekly treatment of type 2 diabetes.
Two once-daily, long-acting insulin analogs are available
in the US: glargine U300 (Toujeo) and degludec U100 and
U200 (Tresiba). Insulin icodec has been available in Canada
since 2024.
6
Drugs for Prevention of Migraine
The Medical Letter on Drugs and Therapeutics • September 28, 2026; (Issue 1764)
Indications for preventive treatment of migraine include
frequent or severe attacks, contraindications to or toxicity with
acute treatments, and patient preference. Drugs for acute
treatment of migraine were reviewed in a previous issue.
7
Daraxonrasib (Rasonque) for Metastatic Pancreatic Cancer
The Medical Letter on Drugs and Therapeutics • September 28, 2026; (Issue 1764)
The FDA has approved daraxonrasib (Rasonque –
Revolution Medicines), an oral RAS GTPase multi-selective
inhibitor, for treatment of metastatic pancreatic
adenocarcinoma, regardless of RAS G12 mutation status,
in adults who received at least one prior systemic therapy
or are not candidates for multi-agent systemic therapy. It is
the first RAS GTPase inhibitor to be approved in the US for
any indication.
8
Lunsotogene Parvec (Otarmeni) for Hearing Loss (online only)
The Medical Letter on Drugs and Therapeutics • October 12, 2026; (Issue 1765)
Lunsotogene parvec (Otarmeni – Regeneron), an adeno-associated
viral vector-based gene therapy, has received
accelerated approval from the FDA for treatment of severe-to-profound or profound sensorineural hearing loss (any
frequency >90 decibels hearing level [dB HL]) in patients with
confirmed variants in both copies of the otoferlin (OTOF)
gene. It is the first gene therapy to be approved in the US for
genetic hearing loss.
9
Gedatolisib (Revtorpyk) for Breast Cancer (online only)
The Medical Letter on Drugs and Therapeutics • October 12, 2026; (Issue 1765)
The kinase inhibitor gedatolisib (Revtorpyk – Celcuity)
has been approved by the FDA for use in combination with
fulvestrant, with or without the cyclin-dependent kinase
(CDK) 4/6 inhibitor palbociclib (Ibrance), for treatment of
hormone receptor (HR)-positive, human epidermal growth
factor receptor 2 (HER2)-negative locally advanced or
metastatic breast cancer without a PIK3CA mutation in
adults who had disease progression on or after at least one
prior line of endocrine therapy for metastatic disease.
10
Vusolimogene Oderparepvec (Tudriqev) – An Oncolytic Viral Therapy for Melanoma (online only)
The Medical Letter on Drugs and Therapeutics • October 12, 2026; (Issue 1765)
Vusolimogene oderparepvec (Tudriqev – Replimune), a
genetically-modified herpes simplex virus type 1 (HSV-1)
oncolytic therapy, has been granted accelerated approval by
the FDA for use in combination with the programmed death
receptor-1 (PD-1)-blocking antibody nivolumab (Opdivo) for
treatment of unresectable advanced cutaneous melanoma
in adults who had disease progression on a PD-1-blocking
antibody-based regimen. About 30-50% of patients develop
primary resistance to anti-PD-1 therapy. The oncolytic viral
therapy talimogene laherparepvec (Imlygic) was approved
in 2015 for treatment of patients with melanoma recurrence
postsurgery.
