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Fiocruz obtains US patent for treatment against resistant malaria

2 sources · 08 May 2026 · Share coverage ·

Fiocruz obtained a patent from the US Patent Office for a malaria treatment method using the DAQ compound. The compound showed efficacy against resistant strains of the Plasmodium falciparum parasite, responsible for the most severe forms of the disease.

Malaria is caused by Plasmodium parasites, with P. falciparum responsible for the most severe forms of the disease. The parasite has developed resistance to traditional medications, creating the need for new therapeutic alternatives to prevent a shortage of effective treatments in the future.

1. What we know (5)

Fiocruz obtained a patent from the United States Patent and Trademark Office (USPTO) for a treatment method using the DAQ compound

2 sources Carta Capital IstoÉ

The DAQ compound demonstrated capacity against resistant strains of Plasmodium falciparum

2 sources Carta Capital IstoÉ

DAQ's antimalarial activity was described in the 1960s, but the Fiocruz group resumed studies

2 sources Carta Capital IstoÉ

The patent was granted in March 2026 and is valid until September 5, 2041

2 sources Carta Capital IstoÉ

Development of DAQ as a drug still depends on toxicity testing and other stages

2 sources Carta Capital IstoÉ
2. Where coverage thins out (0)

Covered by only some sources, or where the accounts diverge.

No gaps or divergences found — sources converge.

3. What we don't know yet

No gaps declared — all sources converge on the material facts.

All sources

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