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ARA 290

Cibinetide, PHBSP, PH-BSP, Helix B surface peptide

Quick Stats
Studies 51
Trials 5
Score 2
2013 pubmed 26 citations

Erythropoietin-mediated protection in kidney transplantation: nonerythropoietic EPO derivatives improve function without increasing risk of cardiovascular events.

van Rijt. Willem G WG; van Goor. Harry H; Ploeg. Rutger J RJ; Leuvenink. Henri G D HG

Key Findings

  • High‑dose EPO after kidney transplant showed no short‑term kidney benefit and increased thrombosis risk
  • EPO’s protective effects involve a special receptor complex and activation of endothelial nitric oxide synthase
  • Non‑erythropoietic EPO derivatives such as ARA‑290 improved kidney function in preclinical models without affecting red‑blood‑cell production

Practical Outcomes

  • Don’t use high‑dose EPO for kidney protection because of clot risk. ARA‑290 looks promising in animal work, but without human trials it isn’t ready for self‑experimentation. Keep an eye on future clinical studies before considering it in a protocol.

Summary

The paper says that giving a lot of regular EPO after a kidney transplant didn’t help the kidney and raised clot risks, but versions of EPO that don’t boost red blood cells (like ARA‑290) protected kidneys in animal studies without those side effects. However, there’s no solid human data yet, so it’s more of a future possibility than a current DIY protocol.

Abstract

The protective, nonerythropoietic effects of erythropoietin (EPO) have become evident in preclinical models in renal ischaemia/reperfusion injury and kidney transplantation. However, four recently published clinical trials using high-dose EPO treatment following renal transplantation did not reveal any protective effect for short-term renal function and even reported an increased risk of thrombosis. This review focusses on the current status of protective pathways mediated by EPO, the safety concerns using high EPO dosage and discusses the discrepancies between pre-clinical and clinical studies. The protective effects are mediated by binding of EPO to a heteromeric receptor complex consisting of two β-common receptors and two EPO receptors. An important role for the activation of endothelial nitric oxide synthase is proposed. EPO-mediated cytoprotection still has enormous potential. However, only nonerythropoietic EPO derivatives may induce protection without increasing the risk of cardiovascular events. In preclinical models, nonerythropoietic EPO derivatives, such as carbamoylated EPO and ARA290, have been tested. These EPO derivatives improve renal function and do not affect erythropoiesis. Therefore, nonerythropoietic EPO derivatives may be able to render EPO-mediated cytoprotection useful and beneficial for clinical transplantation.

Study Information

Provider

pubmed

Year

2013

Date

2013-08-22T00:00:00.000Z

DOI

10.1111/tri.12174

Citations

26

References

59