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[Challenges of international collaborative clinical trials in Asia]
1Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences.
Insights
International clinical trials for rare childhood leukemias like infant acute lymphoblastic leukemia (ALL) require strategic planning and collaboration. Success hinges on overcoming logistical, cultural, and organizational challenges for global patient enrollment.
Area of Science:
- Pediatric Oncology
- Hematology
- Clinical Trial Design
Context:
- Rare childhood leukemias, including infant acute lymphoblastic leukemia (ALL) and Down syndrome-associated ALL, necessitate international clinical trials for improved outcomes.
- Global collaboration is crucial for the success of these complex trials.
Purpose:
- To highlight the essential components and challenges in conducting successful international clinical trials for rare pediatric leukemias.
- To share experiences from an ongoing international trial for Down syndrome-associated ALL and a proposed trial for unclassifiable acute leukemia.
Summary:
- International collaboration is vital for rare childhood leukemia trials, but faces significant hurdles.
- Enrollment challenges were observed in an international Down syndrome-associated ALL trial, with no accruals outside Japan.
- A planned trial for unclassifiable acute leukemia was halted due to a lack of treatment consensus.
Impact:
- Successful international trials require meticulous planning of concept, objectives, organization, and logistics.
- Overcoming cultural, social, and medical system differences demands persistent effort and negotiation.
- Professional training and infrastructure development are critical for the feasibility of global pediatric leukemia research.
Abstract:
Clinical trials with a solid strategy are indispensable for improving outcomes of rare childhood leukemias such as infant acute lymphoblastic leukemia (ALL) and ALL associated with Down syndrome, and international collaboration contributes to trial success. I am part of a group conducting an international trial of ALL associated with Down syndrome in collaboration with Asian countries. Although we are meeting enrollment targets, there have been no enrollments outside Japan. We also planned a clinical trial in unclassifiable acute leukemia, but abandoned this effort due to a lack of consensus on the choice of treatment regimen. Many elements must fit together for an international trial to succeed, including not only the study's concept, theme, and objectives, but also the organization, the logistics, and, ultimately, trained professionals to carry it out. At the same time, of course, there is the need for appropriate timing and luck. International trials across countries with different cultures, social organizations, and medical systems require persistent effort and negotiation skills. Professional training and infrastructure development are necessary to make this possible.
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