Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Summit Therapeutics Inc. of our report dated February 20, 2024 relating to the financial statements, which appears in Summit Therapeutics Inc.’s Annual Report on Form 10-K for the year ended December 31, 2023. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
| /s/ PricewaterhouseCoopers LLP |
| San Jose, California |
| August 6, 2024 |
