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BeiGene Presents Clinical Data on Sitravatinib in Combination with Tislelizumab at the AACR Annual Meeting 2021 - Seite 2

Nachrichtenquelle: Business Wire (engl.)
11.04.2021, 22:00  |  176   |   |   

At the time of data cutoff on October 13, 2020, a total of 25 patients with unresectable or metastatic melanoma who were refractory or resistant to anti-PD-1/L1 antibodies and had not received other prior immunotherapy had been enrolled in cohort G of the Phase 1b trial, including 12 with cutaneous subtype, seven with acral subtype, and four with mucosal subtype. At the time of data cutoff, 16 patients (64%) remained on study treatment. With a median follow-up time of 5.5 months, results included:

  • All 25 patients (100%) experienced at least one treatment-emergent adverse event (TEAE) of any grade, with the most common (≥20%) being increased alanine transaminase (ALT; 76%), increased aspartate aminotransferase (AST; 68%), increased blood cholesterol (56%), hypertriglyceridemia (52%), hypothyroidism (48%), weight decreased (48%), increased blood creatine kinase (BCK; 40%), diarrhea (40%), increased gamma-glutamyltransferase (GGT; 40%), proteinuria (40%), increased blood bilirubin (BB; 36%), abnormal electrocardiogram T wave (36%), hypertension (36%), palmar-plantar erythrodysesthesia syndrome (32%), increased CK-myocardial band isozyme (CK-MB; 28%), hyperuricemia (28%), upper abdominal pain (24%), vomiting (24%), and hypokalemia (20%);
  • Twelve patients (48%) experienced at least one Grade ≥3 TEAE, with the most common (≥5%) being hypertension (12%), increased ALT (8%), and increased GGT (8%);
  • One patient (4%) experienced a serious TEAE of anal abscess, associated with sitravatinib;
  • Treatment discontinuation due to TEAEs occurred in two patients (8%), with one discontinuing tislelizumab due to vaginal hemorrhage (unrelated to tislelizumab) and the other sitravatinib due to increased BCK (related to sitravatinib);
  • Dose interruptions and reductions of sitravatinib occurred in 18 patients (72%) and 13 patients (52%), respectively;
  • All 25 patients were evaluable for efficacy and the confirmed ORR was 24% (95% CI: 9.4, 45.1), including six partial responses (PRs), and the disease control rate (DCR) was 88% (95% CI: 68.8, 97.5); and
  • The media duration of response (DoR) was not reached, and the investigator-assessed median PFS was 6.7 months (95% CI: 4.07, not evaluable).

Results in Patients with Advanced PROC

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BeiGene Presents Clinical Data on Sitravatinib in Combination with Tislelizumab at the AACR Annual Meeting 2021 - Seite 2 BeiGene, Ltd. (NASDAQ: BGNE; HKEX: 06160), a commercial-stage biotechnology company focused on developing and commercializing innovative medicines worldwide, today announced that clinical data on its anti-PD-1 antibody tislelizumab, in combination …

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