An adaptive phase II/III safety and efficacy randomized controlled trial of single day or three-day fixed-dose albendazole-ivermectin co-formulation versus albendazole for the treatment of Trichuris trichiura and other STH infections. ALIVE trial protocol - Krolewiecki, Alejandro J (Instituto de Investigaciones de Enfermedades Tropicales. Universidad Nacional de Salta) ; Enbiale, Wendemagegn (Department of Dermatology. Amsterdam Institute for Infection and Immunity. Academic Medical Centre) ; Gandasegui, Javier (Barcelona Institute for Global Health (ISGlobal)) ; van Lieshout, Lisette (Department of Parasitology. Centre of Infectious Diseases. Leiden University Medical Centre (LUMC)) ; Kepha, Stella (Eastern and Southern Africa Centre of International Parasite Control. Kenya Medical Research Institute (KEMRI)) ; Messa Junior, Augusto (Centro de Investigação em Saúde de Manhiça (CISM)) ; Bengtson, Michel (Department of Parasitology. Centre of Infectious Diseases. Leiden University Medical Centre (LUMC)) ; Gelaye, Woyneshet (College of Medicine and Health Science. Bahir Dar University) ; Escola, Valdemiro (Centro de Investigação em Saúde de Manhiça (CISM)) ; Martinez-Valladares, María (Universidad de León. Facultad de Veterinaria. Departamento de Sanidad Animal) ; Cambra-Pellejà, María (Universidad de León. Facultad de Veterinaria. Departamento de Sanidad Animal) ; Algorta, Jaime (Liconsa SA) ; Martí-Soler, Helena (Barcelona Institute for Global Health (ISGlobal)) ; Fleitas, Pedro (Universidad Nacional de Salta. Instituto de Investigaciones de Enfermedades Tropicales) ; Ballester, Maria Rosa (Institut d'Investigació Biomèdica Sant Pau) ; Doyle, Stephen R. (Wellcome Trust Sanger Institute (Regne Unit)) ; Williams, Nana Aba (Barcelona Institute for Global Health (ISGlobal)) ; Legarda, Almudena (Barcelona Institute for Global Health (ISGlobal)) ; Mandomando, Inacio (Centro de Investigação em Saúde de Manhiça (CISM)) ; Mwandawiro, Charles (Eastern and Southern Africa Centre of International Parasite Control. Kenya Medical Research Institute (KEMRI)) ; Muñoz, José (Barcelona Institute for Global Health (ISGlobal))