SBIR Land Home Forums General SBIR/STTR Question Forum Fast Track – switch between STTR and SBIR ?


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    In an NIH Fast Track application, is it possible to switch between STTR & SBIR between the 2 phases?



    Hi Shoba, Good question! Generally, applicants have to submit to either an SBIR or STTR solicitation for an NIH Fast Track. There have been rarely targeted solicitations that allow STTR in Phase I and SBIR in Phase II. Here is an example:, but it is expired. However, applicants can switch mechanisms between two Phases. For example, apply for SBIR in Phase I and apply for STTR for Phase II, vice versa. However, there will be a funding gap between the two Phases. If you have additional questions, please feel free to reach out. -Lu

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