tetracycline - Generic mfg.
Xerava (eravacycline) - SOM Biotech, Ewha Womans University, PAION, Innoviva
cyclosporine - Generic mfg.
Prevymis (letermovir) - Merck (MSD)
Eravacycline in allogeneic stem cell transplant recipients: A real-world study of drug-drug interactions with cyclosporine/tacrolimus and anti-infective efficacy (ASH 2025) - Dec 5, 2025 - "Eravacycline, a novel synthetic tetracycline, shares the Cytochrome P450 3A4 (CYP3A4) metabolic pathway with CNIs, yet comprehensive data on their potential pharmacokinetic interactions are scarce...Subgroup analysis revealed that when co-administered azoles and letermovir, no significant changes in C/D ratio were observed between pre-treatment and during treatment both in cyclosporine group (n=18) and tacrolimus group (n=7)... This study presented the first clinical evidence of drug-drug interaction between eravacycline with CNIs in allo-HSCT, characterized by increased CNI exposure during eravacycline administration and delayed post-cessation exposure elevation. Intensified CNI monitoring and stepwise dose adjustments are recommended throughout and after eravacycline therapy." 
Clinical • Real-world • Real-world evidence • Acute Graft versus Host Disease • Bone Marrow Transplantation • Cardiovascular • Graft versus Host Disease • Hematological Disorders • Hypertension • Immunology • Infectious Disease • Transplantation • CYP3A4
https://ashpublications.org/blood/article/146/Supplement%201/7734/551613/Eravacycline-in-allogeneic-stem-cell-transplant
 
Jieya Luo; Xinhui Zheng; Xin Chen; Erlie Jiang
 
Dec 5, 2025
 
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