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Area of Science:

  • Medicinal Chemistry
  • Parasitology
  • Drug Discovery

Background:

  • Ivermectin (IVM) shows promise for malaria control.
  • Previous research has explored IVM's antiplasmodial potential.

Purpose of the Study:

  • To design and synthesize novel Ivermectin hybrids with enhanced antiplasmodial activity.
  • To investigate structure-activity relationships for improved malaria treatment.

Main Methods:

  • Synthesis of third-generation IVM hybrids with appended pharmacophores and modified sugar moieties.
  • Evaluation of in vitro antiplasmodial activity against Plasmodium berghei and Plasmodium falciparum.
  • Assessment of insecticidal activity of synthesized compounds and intermediates.

Main Results:

  • Several IVM hybrids demonstrated enhanced in vitro activity against Plasmodium falciparum erythrocytic stages compared to IVM.
  • Two IVM intermediates and one hybrid retained the insecticidal properties of Ivermectin.
  • Key structure-activity relationships were elucidated for antiplasmodial and insecticidal effects.

Conclusions:

  • Novel Ivermectin hybrids exhibit superior antiplasmodial efficacy, paving the way for advanced malaria therapeutics.
  • Understanding the role of sugar moieties is crucial for optimizing IVM-based antimalarials.
  • These findings support the rational design of next-generation Ivermectin derivatives for malaria control.