The title of a research proposal should describe the study, be concise and inform the reader what the research is about.

Example

Identifying gaps in HIV prevention among adolescents in sub-Saharan Africa: An implementation research study.
Using implementation research to explore the rise in under-five mortality rates in Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Kenya and Zambia.
Increasing access to care and appropriateness of treatment at private sector drug shops through integrated management of malaria, pneumonia and diarrhoea.