As a result of the efforts put forth in the realization of the first two UDV Health Conferences in 1991 (São Paulo) and 1993 (Campinas), university centers and research institutions from Brazil, the United States and Finland conducted ten studies that compose The Hoasca Project

Nine research centers participated in this project, including more than 30 researchers from Brazil, the United States and Finland, with the objective of answering two basic questions: "Is Hoasca tea safe when utilized in the context of the UDV?" and "How does Hoasca tea act in the brain"?.

The field research phase was conducted in Manaus in the state of Amazonas, Brazil in June 1993, and encompassed all aspects of the study: botanical, phytochemical, toxicological, pharmacological, neuroendocrinological, clinical and psychiatric. According to Charles Grob (UCLA), the project's head investigator, "it was an intensive and exhausting study of the medical aspects of Hoasca never before carried out.".

In 1994, the first articles were published in scientific literature with the preliminary results of the study. Others are still in the process of publication.

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