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Merck to Present New Data from its Extensive Infectious Diseases and Vaccines Pipeline and Portfolio During IDWeek 2020

Published: 2020-10-21 10:45:00 ET
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Data from More Than 50 Clinical and Epidemiological Abstracts Across Vaccines, HIV, Antibiotics and Antimicrobials Show the Breadth of the Company’s Commitment to Addressing the Threat of Infectious Diseases

KENILWORTH, N.J.--(BUSINESS WIRE)-- Merck (NYSE: MRK), known as MSD outside the United States and Canada, announced today that new clinical and epidemiological data from its broad infectious diseases and vaccines program will be presented at IDWeek 2020 from Oct. 21 – 25, 2020. Clinical data to be presented include new subgroup analyses from the Phase 3 RESTORE-IMI 2 trial evaluating the safety and efficacy of RECARBRIO™ (imipenem, cilastatin, and relebactam) in adults with hospital-acquired or ventilator-associated bacterial pneumonia (HABP/VABP), and a new pooled analysis of the safety and efficacy of PIFELTRO™ (doravirine) or DELSTRIGO™ (doravirine/lamivudine/tenofovir disoproxil fumarate) in adults 50 years of age and older living with HIV-1 who are treatment-naïve. As part of Merck’s commitment to greater understanding of infectious diseases, Merck researchers will present epidemiological data including two multicenter evaluations of bacterial infections and antimicrobial use among COVID-19 tested patients, and 12 studies evaluating disease burden and vaccination strategies. Merck will also be sharing updates from SMART (Study for Monitoring Antimicrobial Resistance Trends) surveillance program-related abstracts accepted by the congress.

“This year, we’ve all witnessed the devastating impact infectious diseases can have on patients and society. The pandemic reinforces the compelling need for Merck to continue our unwavering, decades-long commitment to addressing the threat of infectious diseases through research,” said Dr. Nicholas Kartsonis, senior vice president, infectious diseases and vaccines, Merck Research Laboratories. “The breadth of our portfolio in infectious diseases will be on display at IDWeek as we share new research in vaccines, HIV and antibacterials.”

Select abstracts in the IDWeek program include:

Pediatric Infectious Diseases

  • Evaluation of the Impact of a Single-dose Hepatitis A Vaccination in Brazil: a time-series analysis. Poster: 1392. Bierrenbach AL, et al.
  • Current practices in the diagnosis and treatment of varicella infections in the United States. Poster: 1387. Fergie J, et al.
  • Effectiveness of M-M-R® II in outbreaks - a systematic literature review of real-world observational studies. Poster: 1390. Li S, et al.
  • Factors Associated with Co-administration of Pentavalent DTaP-IPV/Hib and Monovalent Hepatitis B Vaccine in the United States (US). Poster: 1393. Petigara T, et al.
  • Caregiver Burden related to Rotavirus Gastroenteritis: a systematic literature review. Poster: 1379. Carias C, et al.
  • Current status of the legal landscape regarding Rotavirus Vaccination in the United States. Poster: 1380. Bhatti A, et al.
  • Rotavirus Gastroenteritis among older adults: discussion based on a systematic literature review. Poster: 1381. Carias C, et al.

Pneumococcal Disease

  • Incidence of Acute Otitis Media in Children in the United States before and after the introduction of Pneumococcal Conjugate Vaccines (PCV7 and PCV13) during 1998-2018. Poster: 1479. Hu T, et al.
  • Incidence of Non-Invasive Pneumococcal Pneumonia in Children in the United States before and after Introduction Pneumococcal Conjugate Vaccines (PCV7 and PCV13) during 1998-2018. Poster: 1480. Hu T, et al.

Certain HPV-Related Cancers and Disease

  • Observational Study of Routine Use of 9-Valent Human Papillomavirus Vaccine: Safe in More Than 140,000 Individuals. Poster: 5. Hansen J, et al.

HABP/VABP & Antibiotics

  • Imipenem/Cilastatin (IMI)/Relebactam (REL) in Hospital Acquired/Ventilator-Associated Bacterial Pneumonia (HABP/VABP): Subgroup Analyses of Critically Ill Patients in the RESTORE-IMI 2 Trial. Poster: 1460. Chen L, et al.
  • Clinical and Microbiologic Outcomes by Causative Pathogen in Hospital-Acquired or Ventilator-Associated Bacterial Pneumonia (HABP/VABP) Treated with Imipenem/Cilastatin (IMI)/Relebactam (REL) Versus Piperacillin/Tazobactam (PIP/TAZ). Poster: 1230. Losada M, et al.
  • Multivariate Regression Analysis to Determine Independent Predictors of Treatment Outcomes in the RESTORE-IMI 2 Trial. Poster: 1574. Tipping R, et al.

Antimicrobial Epidemiology/Surveillance

  • Comparison of the Epidemiology and Pathogens Cultured from Patients Hospitalized with SARS-CoV-2 Positive versus SARS-CoV-2 Negative in the US: A Multicenter Evaluation. Poster: 373. Puzniak L, et al.
  • Epidemiology of Antimicrobial Use Among SARS-CoV-2 Positive and Negative Admissions in the US: A Multicenter Evaluation. Poster: 379. Puzniak L, et al.
  • Comparison of Ceftolozane/Tazobactam, Ceftazidime/Avibactam, and Meropenem/Vaborbactam Activity Against P. aeruginosa: A Multicenter Evaluation. Poster: 1603. Moise P, et al.
  • Frequency of Carbapenem-resistant Pseudomonas aeruginosa Among Respiratory Pathogens Impacts First-Line Beta-Lactam Susceptibility: Potential Role for Ceftolozane/Tazobactam (C/T) and/or Imipenem/Relebactam (I/R). Poster: 1450. Klinker K, et al.
  • Activity of Ceftolozane/Tazobactam Against Gram-Negative Isolates From Lower Respiratory Tract Infections – SMART United States 2018. Poster: 1587. Lob S, et al.
  • Epidemiology and Susceptibility to Imipenem/Relebactam of Gram-Negative Pathogens From Patients With Lower Respiratory Tract Infections – SMART United States 2017-2018. Poster: 1609. Lob S, et al.

HIV

  • Efficacy and Safety of Doravirine in Treatment-Naïve Adults ≥50 Years Old With HIV-1. Poster: 1011. Mills A, et al.

For more information and access to IDWeek’s virtual program, please visit the IDWeek 2020 website.

About RECARBRIOTM (imipenem, cilastatin, and relebactam) for injection 1.25 g

RECARBRIO is indicated for the treatment of patients 18 years of age and older with hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia, caused by the following susceptible Gram-negative microorganisms: Acinetobacter calcoaceticus-baumannii complex, Enterobacter cloacae, Escherichia coli, Haemophilus influenzae, Klebsiella aerogenes, Klebsiella oxytoca, Klebsiella pneumoniae, Pseudomonas aeruginosa and Serratia marcescens.

RECARBRIO is also indicated in patients 18 years of age and older who have limited or no alternative treatment options, for the treatment of complicated urinary tract infections (cUTI), including pyelonephritis, caused by the following susceptible Gram-negative microorganisms: Enterobacter cloacae, Escherichia coli, Klebsiella aerogenes, Klebsiella pneumoniae and Pseudomonas aeruginosa.

RECARBRIO is also indicated in patients 18 years of age and older who have limited or no alternative treatment options, for the treatment of complicated intra-abdominal infections (cIAI) caused by the following susceptible gram-negative microorganisms: Bacteroides caccae, Bacteroides fragilis, Bacteroides ovatus, Bacteroides stercoris, Bacteroides thetaiotaomicron, Bacteroides uniformis, Bacteroides vulgatus, Citrobacter freundii, Enterobacter cloacae, Escherichia coli, Fusobacterium nucleatum, Klebsiella aerogenes, Klebsiella oxytoca, Klebsiella pneumoniae, Parabacteroides distasonis and Pseudomonas aeruginosa.

Approval of the cUTI and cIAI indications is based on limited clinical safety and efficacy data for RECARBRIO.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of RECARBRIO and other antibacterial drugs, RECARBRIO should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

Selected Safety Information for RECARBRIO

Hypersensitivity Reactions: RECARBRIO is contraindicated in patients with a history of known severe hypersensitivity (severe systemic allergic reaction such as anaphylaxis) to any component of RECARBRIO. Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving therapy with beta-lactams. Before initiating therapy with RECARBRIO, careful inquiry should be made concerning previous hypersensitivity reactions to carbapenems, penicillins, cephalosporins, other beta-lactams, and other allergens. If a hypersensitivity reaction to RECARBRIO occurs, discontinue the therapy immediately.

Seizures and Other Central Nervous System (CNS) Adverse Reactions: CNS adverse reactions, such as seizures, confusional states, and myoclonic activity, have been reported during treatment with imipenem/cilastatin, a component of RECARBRIO, especially when recommended dosages of imipenem were exceeded. These have been reported most commonly in patients with CNS disorders (e.g., brain lesions or history of seizures) and/or compromised renal function. Anticonvulsant therapy should be continued in patients with known seizure disorders. If CNS adverse reactions including seizures occur, patients should undergo a neurological evaluation to determine whether RECARBRIO should be discontinued.

Increased Seizure Potential Due to Interaction with Valproic Acid: Concomitant use of RECARBRIO, with valproic acid or divalproex sodium may increase the risk of breakthrough seizures. Avoid concomitant use of RECARBRIO with valproic acid or divalproex sodium or consider alternative antibacterial drugs other than carbapenems.

Clostridioides difficile-Associated Diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including RECARBRIO, and may range in severity from mild diarrhea to fatal colitis. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents. If CDAD is suspected or confirmed, ongoing antibacterial drug use not directed against C difficile may need to be discontinued.

Development of Drug-Resistant Bacteria: Prescribing RECARBRIO in the absence of a proven or strongly suspected bacterial infection or prophylactic indication is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria.

Adverse Reactions: The most frequently reported adverse reactions occurring in ≥2% of cUTI and cIAI patients treated with RECARBRIO were diarrhea (6%), nausea (6%), headache (4%), vomiting (3%), alanine aminotransferase increased (3%), aspartate aminotransferase increased (3%), phlebitis/infusion site reactions (2%), pyrexia (2%), and hypertension (2%). The most frequently reported adverse reactions occurring in ≥5% of HABP/VABP patients treated with RECARBRIO were aspartate aminotransferase increased (11.7%), anemia (10.5%), alanine aminotransferase increased (9.8%), diarrhea (7.9%), hypokalemia (7.9%), and hyponatremia (6.4%).

About ZERBAXA® (ceftolozane and tazobactam) for injection (1.5g)

ZERBAXA is indicated for the treatment of patients 18 years and older with hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia (HABP/VABP), caused by the following susceptible Gram-negative microorganisms: Enterobacter cloacae, Escherichia coli, Haemophilus influenzae, Klebsiella oxytoca, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, and Serratia marcescens.

ZERBAXA is indicated for the treatment of patients 18 years and older with complicated urinary tract infections (cUTI), including pyelonephritis, caused by the following susceptible Gram-negative microorganisms: Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, and Pseudomonas aeruginosa.

ZERBAXA used in combination with metronidazole is indicated for the treatment of patients 18 years and older with complicated intra-abdominal infections (cIAI) caused by the following susceptible Gram-negative and Gram-positive microorganisms: Enterobacter cloacae, Escherichia coli, Klebsiella oxytoca, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Bacteroides fragilis, Streptococcus anginosus, Streptococcus constellatus, and Streptococcus salivarius.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of ZERBAXA and other antibacterial drugs, ZERBAXA should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

Selected Safety Information for ZERBAXA

Patients with renal impairment: Decreased efficacy of ZERBAXA has been observed in patients with baseline CrCl of 30 to 50 mL/min had a clinical cure rate of 85.2% when treated with ZERBAXA plus metronidazole vs 87.9% when treated with meropenem. In the same trial, patients with CrCl 30 to