Seagen Inc. (Nasdaq:SGEN) today announced multiple ADCETRIS^® (brentuximab vedotin) data presentations at the upcoming 62^nd American Society of Hematology (ASH) Annual Meeting and Exposition, taking place virtually December 5-8, 2020. Data presentations will include five-year updates from the phase 3 ECHELON-1 and ECHELON-2 clinical trials evaluating ADCETRIS plus a chemotherapy combination regimen in frontline advanced stage Hodgkin lymphoma (HL) or frontline peripheral T-cell lymphoma (PTCL). ADCETRIS is an antibody-drug conjugate (ADC) directed to CD30, a defining marker of classical HL and expressed on the surface of several types of PTCL. ADCETRIS is being evaluated globally in more than 70 corporate- and investigator-sponsored clinical trials across multiple settings in lymphoma and other indications.

“At this year’s ASH meeting, ADCETRIS will be featured in 18 data presentations, including five-year analyses from the ECHELON-1 and ECHELON-2 phase 3 frontline trials,” said Roger Dansey, M.D., Chief Medical Officer at Seagen. “Reaching five-years without disease recurrence represents a significant clinical milestone for patients, as they may be considered disease-free at this time point. The five-year data presentations from our phase 3 ECHELON-1 and ECHELON-2 trials demonstrate ADCETRIS plus chemotherapy resulted in superior clinical activity and durable benefit when compared to outcomes with a standard chemotherapy regimen. We will also present additional analyses from trials evaluating ADCETRIS in combination with other therapies, with the goal of identifying potential new treatment strategies that improve outcomes for patients.”

Details of Seagen Presentations at ASH:

About Seagen

Seagen is a global biotechnology company that discovers, develops and commercializes transformative cancer medicines to make a meaningful difference in people’s lives. Seagen is headquartered in the Seattle, Washington area, and has locations in California, Canada, Switzerland and the European Union. For more information on the company’s marketed products and robust pipeline, visit www.seagen.com and follow @SeagenGlobal on Twitter.

Forward Looking Statements

Certain of the statements made in this press release are forward looking, such as those, among others, relating to the therapeutic potential of ADCETRIS plus chemotherapy combination regimens in frontline advanced stage Hodgkin lymphoma (HL) and frontline peripheral T-cell lymphoma (PTCL), and in other indications. Actual results or developments may differ materially from those projected or implied in these forward-looking statements due to factors such as unexpected adverse events, adverse regulatory actions, the degree of utilization and adoption of an approved treatment regimen by prescribing physicians, the difficulty and uncertainty of pharmaceutical product development, negative or disappointing clinical trial results and risks related to the duration and severity of the COVID-19 pandemic. Actual results or developments may differ materially from those projected or implied in these forward-looking statements. Factors that may cause such a difference include the difficulty and uncertainty of pharmaceutical product development, the risk of adverse events or safety signals, the inability to show sufficient activity in clinical trials and the possibility of adverse regulatory actions. More information about the risks and uncertainties faced by Seagen is contained under the caption “Risk Factors” included in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2020 filed with the Securities and Exchange Commission. Seagen disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

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