African trypanosomiasis medical therapy
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Risk calculators and risk factors for African trypanosomiasis medical therapy |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Pilar Almonacid
Overview
Medical treatment of African trypanosomiasis should begin as soon as possible and is based on the infected person’s symptoms and laboratory results. Medication for the treatment of African trypanosomiasis is available through the CDC. Pentamidine isethionate and suramin (under an investigational New Drug Protocol from the CDC Drug Service) are the drugs of choice to treat the hemolymphatic stage of West and East African Trypanosomiasis, respectively. Melarsoprol is the drug of choice for late disease with central nervous system involvement (infections by T.b. gambiense or T. b. rhodiense).
Hospitalization for treatment is necessary. Periodic follow-up exams that include a spinal tap are required for 2 years. If a person fails to receive medical treatment for African trypanosomiasis, death will occur within several weeks to months.
Medical Therapy
Antimicrobial Regimen
- Sleeping sickness[1]
- 1. East african trypanosomiasis
- 1.1 T. b. rhodesiense, hemolymphatic stage
- 1.1.1 Adult
- Preferred regimen: Suramin 1 gm IV on days 1,3,5,14, and 21
- 1.1.2 Pediatric
- Preferred regimen: Suramin 20 mg/kg IV on days 1, 3, 5, 14, and 21
- 1.2 T. b. rhodesiense, CNS involvement
- 1.2.1 Adult
- Preferred regimen: Melarsoprol 2-3.6 mg/kg/day IV for 3 days. After 7 days, 3.6 mg/kg/day for 3 days. Give a 3rd series of 3.6 mg/kg/d after 7 days.
- 1.2.2 Pediatric
- Preferred regimen: Melarsoprol 2-3.6 mg/kg/day IV for 3 days. After 7 days, 3.6 mg/kg/day for 3 days. Give a 3rd series of 3.6 mg/kg/d after 7 days
- 2. West african trypanosomiasis
- 2.1 T. b. gambiense, hemolymphatic stage
- 2.1.1 Adult
- Preferred regimen: Pentamidine 4 mg/kg/day IM/ IV for 7-10 days
- 2.1.2 Pediatric
- Preferred regimen: Pentamidine 4 mg/kg/day IM/IV for 7-10 days
- Note (1): Pentamidine should be used during pregnancy and lacation only if the potential benefit justifies the potential risk
- Note (2): IM/IV Pentamidine have a similar safety profile in children age 4 months and older as in adults. Pentamidine is listed as a medicine for the treatment of 1st stage African trypanosomiasis infection (Trypanosoma brucei gambiense) on the WHO Model List of Essential Medicines for Children, intended for the use of children up to 12 years of age.
- 2.2 T. b. gambiense, CNS involvement
- 2.2.1 Adult
- Preferred regimen: Eflornithine 400 mg/kg/day IV qid for 14 days
- 2.2.2 Pediatric
- Preferred regimen: Eflornithine 400 mg/kg/day IV qid for 14 days
- Note (1): Eflornithine should be used during pregnancy and lactation, only if the potential benefit justifies the potential risk
- Note (2): The safety of Eflornithine in children has not been established. Eflornithine is not approved by the Food and Drug Administration (FDA) for use in pediatric patients. Eflornithine is listed for the treatment of 1st stage African trypanosomiasis inTrypanosoma brucei gambiense infection on the WHO Model List of Essential Medicines for Children, intended for the use of children up to 12 years of age.