ArticleClinical pharmacokinetics2026
Pharmacokinetics, Elimination and Dialyzability of HRS-9231 in Patients with Varying Degrees of Renal Impairment.
Article in Clinical pharmacokinetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06657560 (Pharmacokinetics), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Pharmacokinetics (PK) Study of HRS-9231 Injection in Chinese Subjects With Renal Impairment and Normal Renal Function
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis study aimed to characterize the pharmacokinetics (PK), elimination and dialysability of HRS‑9231, a novel macrocyclic gadolinium‑based contrast agent, in individuals with varying degrees of renal impairment, including those requiring hemodialysis.
methodsIn this open‑label, non‑randomized, Phase 1 study, 40 participants were stratified into five cohorts based on renal function: normal, mild, moderate, severe impairment, and end‑stage renal disease (ESRD). All received a single intravenous dose of HRS‑9231 (0.05 mmol/kg). Intensive PK sampling was performed over 96-120 h. End‑stage renal disease patients underwent hemodialysis sessions post‑dose, with concurrent plasma and dialysate collection. Long‑term gadolinium elimination and safety were monitored for up to 6 months.
resultsSystemic exposure to HRS‑9231 increased with renal impairment severity: geometric mean area under the plasma concentration versus time curve from zero to infinity (AUC
conclusionsHRS‑9231 exhibits a PK profile consistent with renal elimination. Its clearance decreases proportionally with renal impairment, and it is effectively cleared by hemodialysis. HRS‑9231 was generally well tolerated in this small cohort of patients with varying degrees of renal impairment, including those on hemodialysis. No new safety signals or NSF cases were identified. These findings, together with the PK data, support that dose adjustment is unlikely to be necessary for patients with any degree of renal impairment.
trial registrationClinicalTrials.gov Identifier: NCT06657560.
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