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New Data to be Presented at IDWeek 2024 Reinforce Merck’s Broad and Diverse Vaccines and Infectious Disease Pipeline and Portfolio

Published: 2024-10-09 10:45:00 ET
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Merck Underscores Continued Commitment to Fighting Infectious Diseases with More than 40 Data Presentations Across Vaccines, Antibacterials and Antivirals, Including Respiratory Syncytial Virus, Pneumococcal Disease and HIV

For the First Time, Full Results will be Highlighted from the Phase 2b/3 Trial of Clesrovimab (MK-1654), an Investigational Respiratory Syncytial Virus Preventative Monoclonal Antibody for Infants

RAHWAY, N.J.--(BUSINESS WIRE)-- Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced its plans to present new research findings demonstrating the continued impact of its increasingly broad and diverse vaccines and infectious disease portfolio and the potential of its innovative pipeline at IDWeek 2024 in Los Angeles, CA, from October 16-19.

Data to be presented include a late-breaker oral presentation of positive detailed results from the Phase 2b/3 trial evaluating clesrovimab (MK-1654), an investigational prophylactic monoclonal antibody designed to protect infants from respiratory syncytial virus (RSV) disease; data from the Phase 3 STRIDE-8 trial evaluating CAPVAXIVE™ (Pneumococcal 21-valent Conjugate Vaccine) in adults 18-64 years of age at increased risk of pneumococcal disease; as well as a late-breaker oral presentation of Week 48 data from the Phase 2 study evaluating an investigational once-weekly oral combination regimen of islatravir, the company’s nucleoside reverse transcriptase translocation inhibitor (NRTTI), and Gilead’s lenacapavir, a first-in-class capsid inhibitor, for treatment of people with HIV-1 infection.

“The breadth of innovative research we will showcase during IDWeek 2024 is a testament to our ongoing commitment to advancing science with the pursuit of addressing persisting global health needs, such as RSV,” said Dr. Paula Annunziato, senior vice president, infectious diseases and vaccines, Global Clinical Development, Merck Research Laboratories. “We are proud of our company’s longstanding legacy and continued momentum in helping to treat and prevent a variety of potentially serious infectious diseases for individuals around the world and across all stages of life – from birth through older adulthood – and we look forward to sharing these data.”

Key data from Merck’s portfolio and pipeline to be presented during IDWeek 2024:

  • First time data from the Phase 2b/3 study evaluating a single dose of clesrovimab (MK-1654) administered to pre-term and full-term infants (Abstract #166, Late Breaker Oral Abstract Session: Respiratory Viruses Across All Ages);
  • First presentation of results from the interim analysis of the Phase 3 trial evaluating the safety and efficacy of clesrovimab versus palivizumab in infants and children at increased risk for severe RSV disease (Abstract #167, Late Breaker Oral Abstract Session: Respiratory Viruses Across All Ages);
  • First presentation of data from the Phase 3 STRIDE-8 trial evaluating CAPVAXIVE in vaccine-naïve adults 18-64 years of age at increased risk of pneumococcal disease (Abstract #45, Poster Session: Adult Vaccines);
  • Week 48 data from the Phase 2 study evaluating once-weekly oral islatravir plus lenacapavir (Abstract #577, Late Breaker Oral Abstract Session: What's Going Viral);
  • Data from the SPECTRA (Study of Prescribing patterns and Effectiveness of Ceftolozane/Tazobactam [C/T] Real-world Analysis) study (multiple abstracts) and updates from the SMART (Study for Monitoring Antimicrobial Resistance Trends) surveillance program (multiple abstracts).

Details on abstracts listed above and additional key abstracts for Merck:

RSV

 

A Phase 2b/3 Study to Evaluate the Efficacy and Safety of an Investigational Respiratory Syncytial Virus (RSV) Antibody, Clesrovimab, in Healthy Preterm and Full-Term Infants. A. Sinha.

Abstract #166, Oral Abstract, Late Breaker Abstract Session: Respiratory Viruses Across All Ages

Phase 3, Randomized, Controlled Trial Evaluating Safety, Efficacy, and Pharmacokinetics (PK) of Clesrovimab in Infants and Children at Increased Risk for Severe Respiratory Syncytial Virus (RSV) Disease. O. Ramilo.

Abstract #167, Oral Abstract, Late Breaker Abstract Session: Respiratory Viruses Across All Ages

Pneumococcal

 

A Phase 3, Randomized Trial Investigating the Safety, Tolerability, and Immunogenicity of V116, an Investigational Adult-Specific Pneumococcal Conjugate Vaccine, in Pneumococcal Vaccine-Naïve Adults 18–64 Years of Age with Increased Risk for Pneumococcal Disease. P. Scott.

Abstract #45, Poster Session: Adult Vaccines

Disparities and Inequities in the Burden of Pneumococcal Disease in US Adults. N. Cossrow.

Abstract #242, Poster Session: HAIs: Device-Associated (CLABSI, CAUTI, VAP)

Quantifying the Impact of Introducing a New Adult-Focused PCV in the United States. O. Sharomi.

Abstract #58, Poster Session: Adult Vaccines

HIV

 

Week 48 Results of a Phase 2 Study Evaluating Once-weekly Oral Islatravir Plus Lenacapavir. A. Colson.

Abstract #577, Oral Abstract, Late Breaker Abstract Session: What's Going Viral

Undesired Weight Gain and Associated Healthcare Outcomes Among People with HIV on Antiretroviral Treatment. B.K. Tadese.

Abstract #540, Poster Session: HIV: Treatment

Antivirals

 

Drug-Drug Interactions (DDIs) with Letermovir (LET) for Cytomegalovirus (CMV) Prophylaxis in Pediatric (Birth to 10%) solicited adverse reactions in individuals 18 through 49 years of age who received CAPVAXIVE were: injection-site pain (73.1%), fatigue (36.0%), headache (27.5%), myalgia (16.4%), injection-site erythema (13.8%), and injection-site swelling (13.3%).

The most commonly reported (>10%) solicited adverse reactions in individuals 50 years of age and older who received CAPVAXIVE were: injection-site pain (41.2%), fatigue (19.7%), and headache (11.0%).

Vaccination with CAPVAXIVE may not protect all vaccine recipients.

Authorized Use of LAGEVRIO™ (molnupiravir) in the U.S.

LAGEVRIO (molnupiravir) is authorized for use under an Emergency Use Authorization (EUA) for the treatment of adults with mild-to-moderate coronavirus disease 2019 (COVID-19):

  • who are at high risk for progression to severe COVID-19, including hospitalization or death, and
  • for whom alternative COVID-19 treatment options approved or authorized by FDA are not accessible or clinically appropriate.

LAGEVRIO is not approved for any use, including the treatment of COVID-19, but is authorized for emergency use by the FDA under an Emergency Use Authorization (EUA).

The emergency use of LAGEVRIO is only authorized for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of drugs and biological products during the COVID-19 pandemic under Section 564(b)(1) of the Federal Food, Drug, and Cosmetic Act, 21 U.S.C. § 360bbb-3(b)(1) unless the declaration is terminated or authorization revoked sooner.

Limitations of Authorized Use

LAGEVRIO is not authorized:

  • for use in patients who are less than 18 years of age
  • for initiation of treatment in patients hospitalized due to COVID-19. Benefit of treatment with LAGEVRIO has not been observed in subjects when treatment was initiated after hospitalization due to COVID-19
  • for use for longer than 5 consecutive days
  • for pre-exposure or post-exposure prophylaxis for prevention of COVID-19

LAGEVRIO may only be prescribed for an individual patient by physicians, advanced practice registered nurses, and physician assistants that are licensed or authorized under state law to prescribe drugs in the therapeutic class to which LAGEVRIO belongs (ie, anti-infectives).

Selected Safety Information for LAGEVRIO

Contraindications

No contraindications have been identified based on the limited available data on the emergency use of LAGEVRIO authorized under this EUA.

Warnings and Precautions

There are limited clinical data available for LAGEVRIO. Serious and unexpected adverse events may occur that have not been previously reported with LAGEVRIO use.

LAGEVRIO is not recommended for use during pregnancy. Based on findings from animal reproduction studies, LAGEVRIO may cause fetal harm when administered to pregnant individuals. There are no available human data on the use of LAGEVRIO in pregnant individuals to evaluate the risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes.

LAGEVRIO is authorized to be prescribed to a pregnant individual only after the healthcare provider has determined that the benefits would outweigh the risks for that individual patient. If the decision is made to use LAGEVRIO during pregnancy, the prescribing healthcare provider must document that the known and potential benefits and the potential risks of using LAGEVRIO during pregnancy were communicated to the pregnant individual.

There is a pregnancy registry that monitors pregnancy outcomes in individuals exposed to LAGEVRIO during pregnancy. The prescribing healthcare provider must document that a pregnant individual was made aware of the pregnancy registry at https://covid-pr.pregistry.com or 1-800-616-3791. Pregnant individuals exposed to LAGEVRIO or their healthcare providers can also report the exposure by contacting Merck Sharp & Dohme LLC, Rahway, NJ, USA at 1-877-888-4231.

Advise individuals of childbearing potential of the potential risk to a fetus and to use an effective method of contraception correctly and consistently during treatment with LAGEVRIO and for 4 days after the final dose.

Prior to initiating treatment with LAGEVRIO, assess whether an individual of childbearing potential is pregnant or not, if clinically indicated.

Hypersensitivity reactions, including anaphylaxis, have been reported with LAGEVRIO. If signs and symptoms of a clinically significant hypersensitivity reaction or anaphylaxis occur, immediately discontinue LAGEVRIO and initiate appropriate medications and/or supportive care.

LAGEVRIO is not authorized for use in patients less than 18 years of age because it may affect bone and cartilage growth. The safety and efficacy of LAGEVRIO have not been established in pediatric patients.

Adverse Reactions

The most common adverse reactions occurring in ≥1% of subjects in the LAGEVRIO treatment group in the Phase 3 double-blind MOVe-OUT study were diarrhea (2% versus placebo at 2%), nausea (1% versus placebo at 1%), and dizziness (1% versus placebo at 1%) all of which were Grade 1 (mild) or Grade 2 (moderate).

Serious adverse events occurred in 7% of subjects receiving LAGEVRIO and 10% receiving placebo; most serious adverse events were COVID-19 related. Adverse events leading to death occurred in 2 (

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.