Objectives: To describe the PHAGEinLYON Clinic programme, set up in 2022 to improve access to phage therapy in France using pharmaceutical-grade phages.
Methods: All phage therapy requests received during 2022 were collected prospectively, and reviewed retrospectively to analyse the decision and the patient care pathway (NCT05883995).
Results: Of 143 requests for phage therapy, the indication was confirmed at a multidisciplinary team meeting for 57 (40%) patients. Forty-four patients were infected with bacteria that could be targeted easily by phages in France. Finally, 33 patients were treated, including 26 at the study institution, through a compassionate access programme or in a clinical trial. The main indication were complex bone and joint infections, endovascular infection and lung infection. In order to manage these patients, 172 pharmaceutical phage cocktails targeting Staphylococcus aureus and/or Pseudomonas aeruginosa were prepared: 57 for local injection and 99 for intravenous injection. During follow-up, 18 (69%) patients showed a favourable clinical evolution, and six (23%) patients required subsequent phage therapy, either with the same phage with greater exposure, or with a different phage from elsewhere.
Conclusions: Implementation of the PHAGEinLYON Clinic programme in 2022 was associated with groundbreaking access to phage therapy in France.
Keywords: Bacteriophage; Endocarditis; Lung infection; Phage therapy; Prosthetic joint infection.
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