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Rosiglitazone Adjunctive Therapy for Severe Malaria in Children (ROSI)

C

Centro de Investigacao em Saude de Manhica

Status

Completed

Conditions

Malaria

Treatments

Drug: Rosiglitazone
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT02694874
ROSI_v03_22072015

Details and patient eligibility

About

Even with optimal anti-malaria therapy and supportive care, severe and cerebral malaria are associated with a 10-30% mortality rate and neurocognitive deficits in up to 33% of survivors. Adjunctive therapies that modify host immune-pathological processes may further improve outcome over that possible with anti-malarials alone. Investigators aim to evaluate a PPARγ agonist ( "rosiglitazone") as adjunctive therapy for severe malaria.

Full description

Although the use of artemisinin-based therapy has improved outcomes in severe malaria, the mortality rates remain high. Adjunctive therapies that target the underlying immunopathology may further reduce morbidity and mortality in severe and cerebral malaria beyond that possible with anti-malarials alone. Pre-clinical data have established a beneficial role for PPARγ agonists in experimental cerebral malaria. A proof-of-concept randomized clinical trial of uncomplicated malaria in Thailand has extended these findings to an informative patient population, showing that adjunctive treatment with the PPARγ agonist rosiglitazone improves parasite clearance, and reduces biomarkers of inflammation (IL-6 and MCP-1) and endothelial activation (Ang-2 to Ang-1 ratio), and increases neuro-protective pathways (BDNF). The previous clinical trial also established the safety and tolerability of short course rosiglitazone in adults with malaria infection. Importantly, rosiglitazone does not induce insulin release or hypoglycemia in malaria-infected patients. Based on these data, and on studies demonstrating neuro-protective effects on PPARγ agonists in CNS disease and injury, the investigators believe that PPARγ agonists are promising candidates for adjunctive therapy for severe and cerebral malaria.

In this study the efficacy of rosiglitazone vs. placebo control as adjunct to standard of care anti-malarial therapy in children with severe (including cerebral) malaria will be tested.

The underlying hypothesis is that the addition of rosiglitazone to standard antimalarial therapy in severe P. falciparum infection is safe and will result in improved clinical outcomes and lower rates of long-term neurocognitive impairment.

Enrollment

210 patients

Sex

All

Ages

12 months to 12 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age 1-12 years
  • Positive 3-band (HRPII plus pLDH) P. falciparum rapid diagnostic test (RDT) and microscopy confirmed malaria infection with parasitemia >2500 parasites/microlitre if microscopy is available in a timely manner at the time of randomization.
  • One or more features of severe malaria: repeated seizures (two or more generalized seizures in 24 h); prostration (in children 1 year and older, the child is unable to sit unsupported or stand although was able to before the illness); impaired consciousness (Blantyre Coma Score <5 in children 1 to 4 years, GCS <14 for children ≥ 5 years); respiratory distress: age related tachypnea with sustained nasal flaring, deep breathing or subcostal retractions
  • Requiring hospitalization and parenteral artesunate for their malaria infection based on admitting physician assessment

Exclusion criteria

  • P. falciparum RDT negative OR infection not confirmed by light microscopy or not reaching the predefined inclusion criterion parasitemia threshold according to age
  • Uncomplicated malaria infection not requiring hospitalization
  • Presenting with severe malaria anemia (SMA) alone (Hb < 50g/L)
  • Known underlying illness: neurological or neurodegenerative disorders, cardiac, renal, or hepatic disease, diabetes, epilepsy, cerebral palsy, children known to be HIV-1 positive and receiving antiretroviral treatment*
  • Previous treatment with a TZD
  • Unable to remain in research site region for the follow up period

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

210 participants in 2 patient groups, including a placebo group

Rosiglitazone
Experimental group
Description:
Participants will receive rosiglitazone 0.045mg/kg/dose twice daily dosing, for 4 days
Treatment:
Drug: Rosiglitazone
Placebo
Placebo Comparator group
Description:
Participants will receive placebo (grounded placebo powder) at a dose of 0.045mg/kg/dose twice daily for 4 days
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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