Ganaplacide/lumefantrine combination show positive results in children with malaria

The combination, in the phase-IIb study conducted by Novartis and MMV, has the potential not only to clear malaria infection, including artemisinin-resistant strains, but also to block the transmission of the malaria parasite
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Novartis and Medicines for Malaria Venture (MMV) have reported positive results of a new non-artemisinin combination in a phase-IIb study, Novartis said in a statement.

It said that the study tested ganaplacide, a novel agent with an entirely new mechanism of action, in combination with a new formulation of lumefantrine that is optimised for once-daily dosing. This combination has the potential not only to clear malaria infection, including artemisinin-resistant strains, but also to block the transmission of the malaria parasite.

This phase-IIb study was an open-label randomised controlled study conducted in two parts, and which enrolled more than 500 patients with acute uncomplicated malaria due to plasmodium falciparum infection. After successful evaluation of the treatment in 349 patients older than 12 years in Part A of the study, Part B enrolled 175 patients under 12 years of age in seven countries that suffer from endemic malaria (Burkina Faso, Côte d’Ivoire, Gabon, Kenya, Mali, Uganda and India).

The ganaplacide/lumefantrine solid dispersion formulation combination met the primary objective in Part B of the study in children with acute uncomplicated malaria. The primary objective of adequate clinical and parasitological response (ACPR) at Day 29 with polymerase chain reaction (PCR) correction was considered to be met if the lower limit of the two-sided 95 per cent exact confidence interval for PCR corrected ACPR) rate was greater than 80 per cent.

In children with acute uncomplicated malaria, response to treatment with ganaplacide/lumefantrine was similar to the rate observed in patients who received artemether-lumefantrine control therapy. Ganaplacide/lumefantrine also demonstrated similar median parasite-clearing times compared to the control therapy. The combination of ganaplacide/lumefantrine solid dispersion formulation was generally well-tolerated in the children.

“The world needs a diversified pipeline of anti-malarial medicines, especially as we are faced with emerging resistance to current treatments,” said Sujata Vaidyanathan, Head, Global Health Development Unit, Novartis.

She added, “These results are definitely good news, but much more work remains. In a world where a child dies of malaria every two minutes, we must continue to accelerate the progress in the development of new tools to save lives.”

Adding to it, Dr David Reddy, CEO, MMV, said, “This is a step forward in the development of next-generation antimalarials. “With this phase-IIb data, we remain cautiously optimistic that ganaplacide/lumefantrine could one day be saving the lives of those at the greatest risk of malaria – young children. MMV is proud to have partnered with Novartis in this project right from the discovery of the compound through to its clinical development and look forward to the next steps. We congratulate Novartis for the timely completion of this study given the additional challenges posed by COVID-19, and also would particularly like to thank the investigators, caregivers, patients and their families.”

The results are timely, given the recent publication of a study in the New England Journal of Medicine that found decreased sensitivity to artemisinin in Uganda, a year after the publication of similar research in Rwanda.

clinical researchganaplacide/lumefantrine combinationmalaria treatmentMedicines for MalariaNovartis
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