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Related Experiment Videos

Schistosomiasis vaccine development: progress and prospects

N R Bergquist1

  • 1UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR), WHO, Geneva, Switzerland. bergquistn.who.ch

Memorias Do Instituto Oswaldo Cruz
|January 28, 1999
PubMed
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Schistosomiasis vaccine development is crucial due to chemotherapy limitations. Research is advancing with promising antigen candidates identified for human trials, aiming for long-term control.

Area of Science:

  • Tropical Medicine
  • Parasitology
  • Vaccinology

Background:

  • Schistosomiasis remains a global health challenge, necessitating new control strategies beyond chemotherapy due to rapid reinfection.
  • Current control relies on repeated drug treatments, highlighting the need for a long-term solution like a vaccine.
  • Antigen production for vaccine development was a major hurdle until recombinant DNA technology became available.

Purpose of the Study:

  • To develop a long-term solution for schistosomiasis control through vaccine development.
  • To identify and test specific schistosome antigens for their protective potential in humans.
  • To advance vaccine candidates towards clinical trials and large-scale production.

Main Methods:

  • Utilizing recombinant DNA techniques for antigen production.

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  • Conducting in vitro laboratory and field epidemiological studies to assess antigen efficacy.
  • Reviewing progress and selecting suitable vaccine candidates through international expert meetings.

    • Main Results:

    • Identification and successful testing of specific schistosome antigens.
    • Preliminary data supporting the protective potential of selected antigens.
    • Selection of promising vaccine candidates for further development.

    Conclusions:

    • Schistosomiasis vaccine development is progressing, with identified antigens ready for clinical trials.
    • International collaboration and funding are essential for advancing vaccine candidates.
    • Phase I trials and good manufacturing practice (GMP) production are recommended next steps.