Xtandi (INN enzalutamide) Timeline

Revised February 14, 2022 Early 2000 UCLA claims work that led to the development of enzalutamide began at UCLA in early 2000. 2005 May 13, 2005.  Priority date for the three patents in the Xtandi Orange Book. Patents 7709517, 8183274… Continue Reading

KEI Comments to NIH on Exclusive License to TeraImmune for T-cell Therapy for Multiple Sclerosis

(Update: The NIH provided a response to our questions and comments on February 28, 2022) On February 9, 2022, Knowledge Ecology International (KEI) filed comments with the National Institutes of Health regarding the “Prospective Grant of Exclusive Patent License: Development… Continue Reading

Xtandi Petitioners Highlight Pfizer Practice of Reference Pricing in US Government Contracts

Following the publication of the US government contract with Pfizer for the COVID-19 therapeutic Paxlovid, the petitioners of the Xtandi government use request wrote to the Department of Health and Human Services (HHS) and the National Institutes of Health (NIH)… Continue Reading

Robert H. Mermell Letter of Support for Government Use Request on Prostate Cancer Drug Xtandi

The Department of Health and Human Services (HHS) and National Institutes of Health (NIH) is currently reviewing whether to proceed with the request that the government use its rights in the prostate cancer drug Xtandi, in order to enable generic… Continue Reading

Harvard academics letter supporting use of US government rights in Xtandi patents to remedy price discrimination against US residents

On February 2, 2022, Drs. Ameet Sarpatwari, Aaron S. Kesselheim, Jerry Avorn, and Benjamin N. Rome of Harvard Medical School and Dr. Michael S. Sinha of Northeastern University and Loyola University sent a letter to HHS Secretary Xavier Becerra in… Continue Reading

Open Letter to Biden Administration on Increased Transparency of Clinical Trial Costs

On Monday January 31, 2022, Knowledge Ecology International (KEI) Doctors Without Borders/Médecins Sans Frontières (MSF) USA, Doctors for America, the Drugs for Neglected Diseases Initiative, Professor Chris Morten of Columbia Law School, and 33 supporting organizations sent a letter to… Continue Reading

Xtandi Bayh-Dole Rights Case: Memorandum in Support of Prostate Cancer Patient Petition Asking HHS to Use the US Government’s Rights in Patents to Enable Generic Competition

(For more information, please see the Xtandi: 2021-2022 request page) A January 25, 2022 Knowledge Ecology International “Memorandum in support of the petition to HHS to exercise the march-in or paid up royalty right in patents on the prostate drug… Continue Reading

KEI Comment to the NIH Regarding Exclusive License of Anti-Viral Prevention and Treatment

On Wednesday January 12, 2022, Knowledge Ecology International (KEI) submitted comments to the National Institutes of Health (NIH) regarding a prospective exclusive, sublicensable license to the University of Louisville Research Foundation (ULRF), for “Griffithsin Compositions for Treatment and Prevention of… Continue Reading

December 15th 10AM – Briefing on Xtandi March-in Request

Update: Video recording of the press briefing available here: https://www.youtube.com/watch?v=KwqUl7NLMXo) December 15th 10AM – Briefing on Xtandi March-in Request Supporters of the march-in petition to lower the cost of the prostate cancer drug Xtandi will host a virtual press conference… Continue Reading