"We are pleased with the results and that the study achieved its primary goal. The data also provide an important basis for defining the dosing regimen in kidney transplantation with the treatment goal to improve kidney graft function both in the short and long term", said
In the current open-label study all patients received treatment with RMC-035. Eight patients split into two different dose groups were included and treated in the study. RMC-035 was dosed once daily for five days (five doses in total) in the dose range of 0.3 to 0.6 mg/kg, with the first dose administered during the surgical procedure (kidney transplantation). RMC-035 exhibited good pharmacokinetic properties with plasma levels that are assessed to be pharmacologically active and consistent with predictions based on previous studies. The safety profile was favorable without any serious adverse effects associated with the study drug. Following the results of this pre-planned interim analysis no additional dose groups are planned in the study.
"Based on these results, we are now evaluating the next step in the development whilst awaiting 3-month follow-up data that will be available in May from all patients," Agervald continued.
"It has been exciting to lead this first study of RMC-035 in kidney transplantation. The protective mechanisms of the investigational drug fit this patient group well and based on the positive study results we look forward to the continued development of RMC-035 in kidney transplant patients with the principal goal of preventing or delaying the need for dialysis treatment or repeat kidney transplantation", said the study's principal investigator Johan Nordström, consultant transplant surgeon at
Previous studies with RMC-035 have shown that kidney function plays an important role in the excretion of RMC-035 which affects the dosing strategy. Since patients undergoing kidney transplantation have very low or non-existent kidney function in connection with the transplant procedure, it is particularly important to identify adequate dose levels specifically in this patient group. The study results enable determination of the appropriate dose range in a future efficacy study.
In parallel to the ongoing phase 1b study in kidney transplantation, a large global phase 2 (AKITA) study is also underway with the aim of evaluating the kidney-protective effect of RMC-035 in connection with open heart surgery. An interim analysis based on 134 of 268 patients in total will be carried out in April by an independent Data Monitoring Committee with the aim of providing a recommendation regarding the study's continued design.
About RMC-035
RMC-035 is a first-in-class investigational drug that consists of a recombinant and modified variant of the endogenous protein alpha-1-microglobulin. Its mechanism of action includes protection of cells and their mitochondria against injury caused by ischemia and elevated levels of the oxygen-binding and toxic protein heme. Robust treatment effects of RMC-035 have been observed in several different preclinical disease models. RMC-035 has a natural biodistribution to the kidneys and is primarily developed as an intravenous renal protective treatment in patients who are at high risk of developing acute kidney injury (AKI).
RMC-035 has received an IND approval from the
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