Merck scraps Keytruda trial for prostate cancer after dismal interim
data
Send a link to a friend
[January 26, 2023]
(Reuters) -Merck & Co Inc said on Wednesday it was discontinuing
a late-stage trial of its blockbuster immunotherapy Keytruda in some
prostate cancer patients after interim data showed it was unlikely to
meet the study's main goals.
The interim analysis showed the therapy did not extend survival or help
extend the time a patient lives without the disease worsening, the U.S.
drugmaker said.
The drug was being tested in combination with androgen deprivation
therapy and Xtandi, made by Pfizer Inc and Astellas Pharma Inc, in
patients with hormone-sensitive prostate cancer that has spread to other
parts of the body.
The interim data comes as a setback for Merck, which has been working to
expand the use of Keytruda, a drug that has powered its growth for years
but is nearing an end to its exclusivity in 2028.
The trial had enrolled 1,251 patients who received the combination
therapy with Keytruda or a placebo.
Prostate cancer is the most common cancer in the United States with
nearly 270,000 new cases and 34,500 deaths in the country in 2022,
according to government data estimates.
[to top of second column]
|
The logo for Merck & Co. is displayed on
a screen at the New York Stock Exchange (NYSE) in New York City, New
York, U.S., November 17, 2021. REUTERS/Andrew Kelly
Up to one in three patients with the
disease develop metastatic form of the cancer and face a five-year
survival rate of 30%, according to the drugmaker.
Separately, Merck said Keytruda in combination with a chemotherapy
showed significant improvement in overall survival in patients with
an advanced type of bile duct cancer.
The drugmaker's shares fell marginally to $107.86 in premarket
trading.
(Reporting by Raghav Mahobe and Manas Mishra in Bengaluru; Editing
by Arun Koyyur)
[© 2023 Thomson Reuters. All rights
reserved.]This material may not be published,
broadcast, rewritten or redistributed.
Thompson Reuters is solely responsible for this content. |