August 8, 2024 Michael Exton Chief Executive Officer Lexicon Pharmaceuticals, Inc. 2445 Technology Forest Blvd., 11th Floor The Woodlands, TX 77381 Re: Lexicon Pharmaceuticals, Inc. Registration Statement on Form S-3 Filed August 2, 2024 File No. 333-281208 Dear Michael Exton: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Lauren Hamill at 303-844-1008 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Jackson O'Maley