In 2024, the largest share of R&D spending, over ** percent, goes towards clinical trials, inclusive of phase I to phase III trials. Meanwhile, the pre-clinical phase R&D spending share was ** percent for the same period.Â
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BPI. (February 3, 2026). Distribution of research and development spending among U.S. companies in 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/458666/pharma-drug-development-research-and-development-spending-share/
BPI. "Distribution of research and development spending among U.S. companies in 2024." Chart. February 3, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/458666/pharma-drug-development-research-and-development-spending-share/
BPI. (2026). Distribution of research and development spending among U.S. companies in 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/458666/pharma-drug-development-research-and-development-spending-share/
BPI. "Distribution of Research and Development Spending among U.S. Companies in 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Feb 2026, /statistics/458666/pharma-drug-development-research-and-development-spending-share/
BPI, Distribution of research and development spending among U.S. companies in 2024 ÌÇÐÄÆƽâ°æ, /statistics/458666/pharma-drug-development-research-and-development-spending-share/ (last visited July 15, 2026)
Distribution of research and development spending among U.S. companies in 2024 [Graph], BPI, February 3, 2026. [Online]. Available: /statistics/458666/pharma-drug-development-research-and-development-spending-share/
