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Roxadustat-based regimens result in higher mean hemoglobin levels than ESA-based regimens in peritoneal dialysisRoxadustat shows higher hemoglobin levels for patients on peritoneal dialysis

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Key Takeaway
Note that roxadustat-based regimens show higher mean hemoglobin levels, but evidence for clinical superiority is insufficient.

This meta-analysis evaluated 1636 adults with renal anemia to compare roxadustat-based regimens against ESA-based regimens. The primary outcome of average post-treatment hemoglobin level showed a mean difference of 7.30 g/L (62.6%) in favor of roxadustat-based groups (95% CI: 5.43 to 9.16). Additionally, the adverse event rate was lower in roxadustat-based groups (RR of 0.45; 95% CI: 0.27 to 0.74).

Several limitations impact the certainty of these findings. Hemoglobin target-attainment data were not reported consistently enough for quantitative synthesis, and there was substantial heterogeneity in post-treatment hematocrit and red blood cell count. Furthermore, the definition and ascertainment of adverse events were not standardized across the included studies, and comparator regimens were heterogeneous. Evidence for high-density lipoprotein cholesterol and long-term safety was insufficient.

Clinical practice relevance is limited by the low GRADE certainty for hemoglobin and low to very low certainty for most secondary outcomes. While roxadustat showed a higher mean hemoglobin increase, the evidence is currently insufficient to determine the comparative clinical superiority of roxadustat-based over ESA-based strategies in peritoneal dialysis.

How this fits prior evidence

This meta-analysis extends the finding that roxadustat improves hemoglobin in peritoneal dialysis patients. It specifically quantifies the mean difference of 7.30 g/L in hemoglobin levels for roxadustat-based regimens compared to ESA-based regimens. This finding also addresses the existing concern that roxadustat is associated with higher odds of vascular access thrombosis and all-cause mortality in CKD patients by providing a more detailed look at hemoglobin and adverse event rates in the peritoneal dialysis population.

Living with kidney disease often means dealing with anemia, a condition where the body lacks enough healthy red blood cells. For adults on peritoneal dialysis, finding the right treatment to manage these blood levels is a constant challenge. A recent look at data from over 1,600 patients compared two different approaches: roxadustat-based regimens and those using erythropoiesis-stimulating agents (ESAs).

The analysis found that patients using roxadustat had significantly higher average hemoglobin levels after treatment. Specifically, the roxadustat group saw a mean increase of 7.30 g/L. Additionally, the data showed a lower rate of adverse events for those on roxadustat compared to those on standard ESA treatments.

While these results are promising, the evidence is still early. The researchers noted that the data for many secondary outcomes, like red blood cell counts, were inconsistent. Because the different treatment plans were not uniform and some safety data wasn't standardized, it is currently too early to say if roxadustat is definitively better than standard care. Talk to your doctor to see which option fits your specific needs.

What this means for you:
Roxadustat showed higher hemoglobin levels and fewer adverse events in a study of patients on peritoneal dialysis.

Common questions

How does roxadustat compare to standard ESA treatments for anemia?

In a study of 1,636 adults on peritoneal dialysis, those using roxadustat-based regimens had higher average post-treatment hemoglobin levels than those on ESA-based regimens. Specifically, the roxadustat group saw a mean difference of 7.30 g/L. However, because the comparison groups were not uniform, more research is needed to determine if it is clinically superior.

Is roxadustat safer than other treatments for kidney patients?

The data showed a lower rate of adverse events for patients using roxadustat compared to those on ESA-based regimens. However, the researchers noted that the way these events were defined and tracked was not standardized across the study, so the results should be viewed with caution.

What are the limitations of this finding?

The evidence for many secondary outcomes, like red blood cell counts and lipid levels, was inconsistent or not enough to be certain. Because the treatment plans were not uniform and some safety data was not standardized, there is currently not enough evidence to confirm if roxadustat is superior to standard care.

Study Details

Study typeMeta analysis
Sample sizen = 1,636
EvidenceLevel 1
PublishedDec 2026
View Original Abstract ↓
Renal anemia is a prevalent complication in patients undergoing peritoneal dialysis (PD). Roxadustat is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor, but comparisons with erythropoiesis-stimulating agents (ESAs) require consideration of the specific regimens used. We systematically searched PubMed, Embase, the Cochrane Library, Web of Science, CNKI, Wanfang, VIP, and SinoMed from inception to December 2025 for randomized controlled studies comparing roxadustat-based regimens with ESA-based regimens in adults receiving PD. Eligible evidence was restricted to PD-only randomized studies after rechecking dialysis modality and study design. Nineteen studies involving 1,636 participants were included. The average post-treatment hemoglobin level was higher in the roxadustat-based groups than in the study-specific ESA comparator groups (mean difference = 7.30 g/L, 95% CI: 5.43 to 9.16; = 62.6%). However, hemoglobin target-attainment data were not defined or reported consistently enough for quantitative synthesis. Post-treatment hematocrit and red blood cell count also differed between groups, with substantial heterogeneity. The pooled reported adverse-event rate yielded an RR of 0.45 (95% CI: 0.27 to 0.74), but definitions and ascertainment were not standardized. Effects on iron indices, inflammatory markers, lipid indices, and cardiovascular outcomes were exploratory. Grading of Recommendations Assessment, Development and Evaluation certainty was low for hemoglobin and low to very low for most secondary outcomes. Available evidence is insufficient to determine the comparative clinical superiority of roxadustat-based over ESA-based strategies in PD because final values were pooled and comparator regimens were heterogeneous. Evidence concerning hemoglobin target attainment, high-density lipoprotein cholesterol, and long-term safety remains insufficient.
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