Roche highly anticipated cancer immunotherapy fails in first late-stage trial

Tiragolumab works by selectively binding itself to TIGIT, a receptor found on immune system cells that normally serves to prevent an immune attack against healthy cells.;

Published On 2022-04-03 04:00 GMT | Update On 2022-04-03 04:00 GMT

New Delhi: A highly anticipated new cancer immunotherapy by Roche failed to slow the progression of an aggressive form of lung cancer, the Swiss drug maker said on Wednesday, boding ill for a range of rival drug developers working on similar compounds.

The Skyscraper 2 trial was the first to produce results in the final stage of clinical testing in a class of drugs known as anti-TIGIT, which Roche and its U.S. unit Genentech have pioneered.

Roche said it would continue the trial programme for the drug, known as tiragolumab, against various other cancer types.

In a statement on Wednesday, the company said the drug, when combined with its established cancer drug Tecentriq and chemotherapy, failed to reduce the rate of disease progression and death when compared to a comparative group of patients on Tecentriq and chemotherapy only.

Trial participants were suffering from small cell lung cancer that had started spreading.

Analysts at Swiss bank ZKB had estimated 3 billion Swiss francs ($3.23 billion) in sales for tiragolumab in 2028.

Roche shares were 1.2% lower in early trading, while the STOXX Europe 600 Health Care index slipped 0.5%.

"The outcome is disappointing as we had hoped to continue building on the advances of Tecentriq in extensive stage small-cell lung cancer, which remains difficult to treat," said Levi Garraway, Roche's Chief Medical Officer and Head of Global Product Development.

Roche, whose first-generation immunotherapy Tecentriq is similar to Merck & Co's Keytruda and Bristol-Myers Squibb's Opdivo, plans to continue trials for tiragolumab in non-small cell lung cancer and other forms of the disease.

Vontobel analyst Stefan Schneider called the failure disappointing, especially as small cell lung cancer patients needed alternative treatments for their condition.

"The result does not change our probability of success for the other (tiragolumab) trials that we expect to read out later this year. Should tiragolumab work in combo with Tecentriq - it could have significant peak sales potential," he said.

Tiragolumab works by selectively binding itself to TIGIT, a receptor found on immune system cells that normally serves to prevent an immune attack against healthy cells.

Some cancers have developed a mechanism that exploits TIGIT to continue to grow unnoticed by cell-killing immune cells.

The prospective treatment option has triggered intense research and deal activity, mainly with a view to using anti-TIGITs in combination with other cancer drugs.

GlaxoSmithKline in June 2021 struck a licensing deal worth up to $2 billion with iTeos Therapeutics Inc's over TIGIT candidate EOS-448.

Bristol-Myers Squibb and Agenus Inc's are working on bispecific anti-TIGIT AGEN1777 under a May 2021 partnership.

Gilead Sciences last November exercised an option to collaborate with Arcus Biosciences on anti-TIGIT drug domvanalimab.

Article Source : Reuters

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Ruchika Sharma

Ruchika Sharma joined Medical Dialogue as an Correspondent for the Business Section in 2019. She covers all the updates in the Pharmaceutical field, Policy, Insurance, Business Healthcare, Medical News, Health News, Pharma News, Healthcare and Investment. She has completed her B.Com from Delhi University and then pursued postgraduation in M.Com. She can be contacted at editorial@medicaldialogues.in Contact no. 011-43720751

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Roche highly anticipated cancer immunotherapy fails in first late-stage trial

Tiragolumab works by selectively binding itself to TIGIT, a receptor found on immune system cells that normally serves to prevent an immune attack against healthy cells.;

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