The firm announced positive data from a study of INT230-6 in the treatment of metastatic and refractory cancers, with 15 of 64 patients in the trial surviving for more than 21 months.

Shares of Intensity Therapeutics, Inc. (INTS) jumped 188% on Thursday morning after the company announced the publication of positive data from a study of INT230-6 in the treatment of metastatic and refractory cancers.

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In heavily pretreated patients with advanced disease having over 20 different types of cancer who had progressed following multiple prior lines of therapy, intratumoral INT230-6 achieved a disease control rate of 75% and a median overall survival of 11.9 months in the trial, the company said.

In patients with metastatic sarcoma receiving only INT230-6, the median overall survival was 21.3 months, the company noted. In a clinical trial, measuring the median overall survival is one way to assess the effectiveness of a new treatment.

Furthermore, 15 of 64 patients in the trial survived for more than 21 months, the company noted.

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