VALIANT phase 3 trial results highlight potential treatment for rare kidney diseases
Natalia Elliot | October 25, 2024 | News story | |Â Â Nephrology, Rare Diseases, rare kidney disease, trialÂ
SOBI and Apellis Pharmaceuticals have announced the results from the VALIANT trial, which highlight that systemic pegcetacoplan treatment could benefit patients with C3 glomerulopathy (C3G) and primary immune complex membranoproliferative glomerulonephritis (IC-MPGN).
The VALIANT trial is a double-blind, randomised, multi-centre and placebo-controlled study that aimed to evaluate the efficacy and safety of pegcetacoplan in 124 patients over 12 years old who suffer from C3G or primary IC-MGPN.
Patients who were treated with pegcetacoplan achieved a key measure of kidney function: stabilisation of estimated glomerular function (eGFR). This stabilisation happened in the span of six months, with a difference of 6.3mL/min/1.73m2 (95% CI 0.5, 12.1; nominal p value =0.03) compared to a placebo.
At week 26, patients who were treated with pegcetacoplan, in addition to a standard of care therapy, showed a statistically significant and clinically meaningful 68.1% (p<0.0001) proteinuria reduction (log-transformed ratio of urine protein-to-creatinine ratio).
The reduction of proteinuria was observed as early as week 4, and continued through the six-month treatment period. Proteinuria reduction was consistent across broad patient subgroups including adolescent and adult patients, primary IC-MPGN patients, and C3G, in addition to patients with native and post-transplant kidneys.
Carla Nester, principle investigator, director of pediatric nephrology and professor of internal medicine and pediatrics at University of Iowa Stead Family’s, Children’s Hospital, US, stated: “Pegcetacoplan is the only treatment to achieve substantial and clinically meaningful effects across all key markers of disease: proteinuria, eGFR stabilisation, and C3c staining.
Natalia Elliot
25/10/24
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