The Why and How of the ACORN Trial

ARLG Grand Rounds: The Why and How of the ACORN Trial

Does the choice between cefepime and piperacillin-tazobactam affect the risks of acute kidney injury or neurological dysfunction in adults hospitalized with acute infection?

— Presented Friday, February 27, 2026 by Drs. Edward Qian and Todd W. Rice and moderated by Dr. Sarah Doernberg

 

Dr. Lodise Receives ASHP Foundation Award

Thomas Lodise, PharmD, PhD

Thomas Lodise, PharmD, PhD, who serves as the ARLG Network’s Pharmacokinetic Scientific Lead, received the 2025 Literature Award for Sustained Contributions from the American Society of Health-System Pharmacists (ASHP) Foundation. With over 250 peer-reviewed articles, Dr. Lodise has made significant contributions to biomedical literature on treatments for antimicrobial resistant (AMR) infections.

Congratulations to Dr. Lodise for this recognition of his impactful work to combat the antibacterial resistance crisis and improve patient care!

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ARLG Experts Are Training the Next Generation of Researchers in Clinical Trials for Infectious Diseases

In November, ARLG members Drs. Angela Huttner, David Paterson, and Tom Holland will be leading engaging presentations and interactive workshops in an ESCMID postgraduate course, alongside other renowned experts in the field of infectious diseases and microbiology.

Course Title: Clinical trials in infectious diseases: from generating the initial idea to reporting final results and everything in between
Date: November 19-21, 2026
Location: Valleta, Malta
Attendance Grant Application Deadline: August 28
Registration Deadline: November 2

This three-day workshop is ideal for clinicians, trainees, and scientists in the fields of infectious diseases and microbiology with no or minimal clinical trials experience. The comprehensive course is designed to guide participants through every stage of clinical trial development, from generating innovative ideas and securing funding, to analyzing results and publishing study findings.

This is the first course to be offered through the CLARITY Initiative(opens in new tab) which aims to improve the generation and interpretation of evidence through clinical research in infectious diseases and clinical microbiology. The CLARITY Initiative is supported by a partnership with the ARLG and other infectious diseases organizations.

An ESCMID Attendance Grant is available to cover the registration fee for 12 participants.

Visit the ESCMID postgraduate course webpage(opens in new tab) to learn more and register for this opportunity to gain hands-on experience to design and conduct impactful clinical trials.

ARLG Experts Share Strategies to Combat Antibacterial Resistance

ARLG Co-Principal Investigator, Vance Fowler, MD, and Helen Boucher, MD, ARLG Executive Committee Member and Innovations Working Group Chair, shared their insights on the current state of antimicrobial resistance (AMR) in a recent article published by the Association of American Medical Colleges (AAMC). The article, “Where are we in the battle against antibiotic-resistant infections?,” also included their strategies to combat this global health crisis.

Dr. Boucher, an Infectious Disease (ID) Specialist, Dean of the Tufts University School of Medicine, and Chief Academic Officer of Tufts Medicine, emphasized practicing infection prevention and antibiotic stewardship to decrease rates of antibiotic-resistant bacteria in hospitals. The development of diagnostic tests to determine if an infection is bacterial or viral is another promising avenue to combat AMR. However, Dr. Boucher notes, it has been challenging to determine how best to use the tests and make them cost effective.

Dr. Fowler, ID Specialist and Professor of Medicine at Duke University School of Medicine, highlighted the need for renewed investment in the development of antibiotics by the pharmaceutical industry, which could be supported through the PASTEUR Act if passed by Congress. Bacteriophage therapy is emerging as a strong potential treatment for antibiotic-resistant infections. Dr. Fowler served as Chair of a blinded independent adjudication committee to evaluate the results of a phase 2 trial conducted at UCLA. The study showed promising results for a phage “cocktail” used in combination with standard of care antibiotics to treat patients with complicated Staphylococcus aureus infections.

The AAMC article also cites antimicrobial use in livestock and agriculture and ID workforce shortages as other areas that need to be addressed to combat the AMR crisis.

Read the article on the AAMC website.

December 2025

The December 2025 newsletter features updates on the PHAGE and DOTS (Dalbavancin as an an Option for Treatment of Staphylococcus aureus bacteremia) studies as well as a clinical trial site spotlight on the University of North Carolina. The newsletter also includes a mentee spotlight, study milestones, recent publications, and more ARLG network news.

ARLG Steering Committee Members Receive Recognition for Significant Contributions to AMR

Congratulations to the ARLG Steering Committee members who received recognition as one of Clarivate’s Highly Cited Researchers in 2025! Clarivate uses a meticulous process to identify researchers who have significantly influenced their fields during the past year. Learn more about the important work these leaders in antimicrobial resistance are doing to improve patient care by advancing the prevention, diagnosis, and treatment of infections caused by antibiotic-resistant bacteria:

PHAGE Trial Reached Database Lock

We are pleased to announce that the PHAGE study has successfully reached database lock. This Phase 1b/2 clinical trial investigated the safety profile and microbiological activity of bacteriophage therapy in individuals with cystic fibrosis (CF) who are chronically colonized with Pseudomonas aeruginosa.

Led by Pranita Tamma, MD, MHS, University of Pennsylvania, and Robert Schooley, MD, University of California, San Diego, the trial enrolled 72 participants across 17 sites. Participants were randomized to receive either a single intravenous dose of a four-component bacteriophage cocktail or a placebo.

The data generated from the PHAGE study will deepen our understanding of optimal dosing strategies, safety considerations, and the expected microbiological responses associated with bacteriophage therapy. Importantly, these findings will guide the design of future clinical trials that aim to advance bacteriophage-based treatments for antimicrobial-resistant infections, extending beyond P. aeruginosa-related lung disease.

For additional details, consult the study record—and stay tuned for forthcoming results.

ARLG Fellow Natalie Mackow, MD, MSCR, Receives SHEA Trainee Award at IDWeek

Congratulations to ARLG Fellow Natalie Mackow, MD, MSCR! Dr. Mackow received the SHEA Trainee award at IDWeek 2025 for her abstract, “Using a novel Anaerobic Activity Index to assess risk for poor outcomes in burn patients in a burn intensive care unit.”

Dr. Mackow’s research aims to inform antibacterial therapy practices in patients with severe burns to reduce the prevalence of antibacterial resistance, which may be applicable to prevention approaches in other critically ill patient populations.

“Systemic antibiotic therapy is an important, potentially modifiable, risk factor for antibacterial resistance in this vulnerable patient population,” says Dr. Mackow. “Additionally, a novel tool to improve our definition of the anti-anaerobic activity of antibacterials has the potential to be utilized broadly in clinical studies and clinical practice, once validated.”

Learn more about Dr. Mackow’s research and how an ARLG Fellowship supported her work to improve outcomes for patients with severe burns in her ARLG Mentee Spotlight.

DOTS Study Results Discussed in NEJM Journal Watch

In a recent article, “DOTS: Optimism Around a ‘Negative’ Dalbavancin Trial,” Dr. Paul Sax summarizes the results of the DOTS study and why the findings are important.

Researchers for the DOTS study wanted to learn if two doses of dalbavancin, a long-lasting antibiotic often used to treat severe, bacterial skin infections, could work better than the standard peripherally inserted central catheter (or PICC line) antibiotic treatment for patients hospitalized for complicated Staphylococcus aureus bloodstream infections. The study results showed that although dalbavancin was not better at treating bloodstream infections, it worked as well as the standard therapy with fewer patients having to stop or change treatment due to side effects.

“So yes, DOTS was ‘negative’ on its primary outcome,” said Dr. Sax. “But it also showed that dalbavancin performs about as well as what we do now, with far less infrastructure: no PICC, no daily infusions, no vancomycin levels, fewer moving parts.”

Learn more about these important findings to improve patient outcomes for antibiotic-resistant infections in the ARLG news and the DOTS Summary of Results.