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Phase III TRYbeCA-1 trial of Graspa fails to meet primary endpoint in pancreatic cancer.

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Last updated:26th Oct 2021
Published:26th Oct 2021
ERYTECH Pharma announced top-line results from its Phase III TRYbeCA-1 clinical trial evaluating Graspa (eryaspase) as second-line treatment in 512 patients with metastatic pancreatic cancer.

The trial did not meet its primary endpoint of overall survival (OS).

In the TRYbeCA-1 trial, eryaspase demonstrated an improvement in the primary endpoint of OS compared to chemotherapy alone with a hazard ratio (HR) of 0.92 (95% confidence interval (CI), 0.76-1.11) in the intent-to-treat population, and the difference was not statistically significant (p-value 0.375). The median OS for patients treated with eryaspase plus chemotherapy was 7.5 months (95% CI, 6.5-8.3), compared to 6.7 months (95% CI, 5.4-7.5) for chemotherapy alone.

While the patients treated with gemcitabine plus nabpaclitaxel did not experience a survival benefit from the addition of eryaspase, patients treated with eryaspase and an irinotecan-based chemotherapy regimen showed nominal survival benefit with a HR of 0.77 (95% CI, 5.7-1.05) over those treated with chemotherapy alone. This prespecified subgroup had a median OS of 8.0 months in the eryaspase-treated arm versus 5.7 months in the control arm (per protocol population).

Key secondary endpoints of the trial, including progression-free survival, disease control rate and objective response rate, showed benefit in favor of eryaspase. The safety profile of eryaspase observed in the TRYbeCA-1 trial was consistent with earlier observations and previous safety reviews by the trial’s independent data monitoring committee (IDMC). Further analysis of the data will be performed, and full results will be presented at an upcoming medical conference.

Condition: Pancreatic Cancer
Type: drug

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