<p>HIF–prolyl hydroxylase inhibitors (HIF-PHIs) are oral alternatives to erythropoiesis-stimulating agents (ESAs) for anemia in chronic kidney disease (CKD). We performed a network meta-analysis comparing six HIF-PHIs (roxadustat, daprodustat, vadadustat, molidustat, enarodustat, desidustat) versus ESAs or placebo across hemoglobin efficacy, iron indices, and adverse events, with prespecified subgroup analyses by dialysis status. Forty-five randomized trials enrolling over 32,000 participants were analyzed using both frequentist and Bayesian frameworks with inconsistency checks. Outcomes included hemoglobin, ferritin, hepcidin, serum iron, total iron-binding capacity, and transferrin saturation; VEGF and lipid endpoints were not synthesized due to sparse, heterogeneous reporting. Across analyses, roxadustat and daprodustat increased hemoglobin more than ESA or placebo overall. Roxadustat tended to rank highest for hemoglobin, particularly in non-dialysis populations, whereas daprodustat showed advantages among dialysis-dependent patients and was associated with greater improvements in iron mobilization (lower hepcidin and ferritin, higher transferrin saturation). Estimates for desidustat and vadadustat were favorable but less precise, while evidence for enarodustat and molidustat was limited. Safety appeared class-neutral in aggregate; however, agent-specific patterns emerged—roxadustat showed higher rates of vascular occlusive events in some trials, daprodustat more gastrointestinal events, and molidustat a lower risk of hyperkalemia. Because SUCRA ranks reflect probability rather than effect magnitude, rankings were interpreted alongside absolute effects and study design. In sum, HIF-PHIs are not interchangeable; efficacy and safety vary by agent and dialysis status. Choice of therapy should consider inflammatory burden, iron handling, and adherence context. Head-to-head trials and real-world studies are needed to validate comparative findings and guide personalized use.</p>

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Network meta-analysis of HIF-prolyl hydroxylase inhibitors for anemia in dialysis-dependent and non-dialysis CKD: effects on hemoglobin, iron markers, and adverse clinical outcomes

  • Hasti Nasiri,
  • Amirali Mirmazhari,
  • Leila Mirzakhani,
  • Parham Asgarian,
  • Ali Gholibeigi,
  • Tina Ghandali,
  • Maryam Talebi Moghaddam,
  • Mehdi Mohammadi,
  • Mehdi Karimi,
  • Atieh Makhlough

摘要

HIF–prolyl hydroxylase inhibitors (HIF-PHIs) are oral alternatives to erythropoiesis-stimulating agents (ESAs) for anemia in chronic kidney disease (CKD). We performed a network meta-analysis comparing six HIF-PHIs (roxadustat, daprodustat, vadadustat, molidustat, enarodustat, desidustat) versus ESAs or placebo across hemoglobin efficacy, iron indices, and adverse events, with prespecified subgroup analyses by dialysis status. Forty-five randomized trials enrolling over 32,000 participants were analyzed using both frequentist and Bayesian frameworks with inconsistency checks. Outcomes included hemoglobin, ferritin, hepcidin, serum iron, total iron-binding capacity, and transferrin saturation; VEGF and lipid endpoints were not synthesized due to sparse, heterogeneous reporting. Across analyses, roxadustat and daprodustat increased hemoglobin more than ESA or placebo overall. Roxadustat tended to rank highest for hemoglobin, particularly in non-dialysis populations, whereas daprodustat showed advantages among dialysis-dependent patients and was associated with greater improvements in iron mobilization (lower hepcidin and ferritin, higher transferrin saturation). Estimates for desidustat and vadadustat were favorable but less precise, while evidence for enarodustat and molidustat was limited. Safety appeared class-neutral in aggregate; however, agent-specific patterns emerged—roxadustat showed higher rates of vascular occlusive events in some trials, daprodustat more gastrointestinal events, and molidustat a lower risk of hyperkalemia. Because SUCRA ranks reflect probability rather than effect magnitude, rankings were interpreted alongside absolute effects and study design. In sum, HIF-PHIs are not interchangeable; efficacy and safety vary by agent and dialysis status. Choice of therapy should consider inflammatory burden, iron handling, and adherence context. Head-to-head trials and real-world studies are needed to validate comparative findings and guide personalized use.