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Efficacy and Safety of Glembatumumab Vedotin in Patients With Advanced or Metastatic Squamous Cell Carcinoma of the Lung (PrECOG 0504)
Efficacy and Safety of Glembatumumab Vedotin in Patients With Advanced or Metastatic Squamous Cell Carcinoma of the Lung (PrECOG 0504) Khan, S., Sun, Z., Pillai, R., Dahlberg, S., Malhotra, J., Keresztes, R., Ikpeazu, C., Ma, P., Ramalingam, S. ELSEVIER SCIENCE INC. 2021: S131-S132Abstract
Glycoprotein NMB is a transmembrane protein linked with poor prognosis and is expressed in most squamous lung cancer. Glembatumumab vedotin is an antibody-drug conjugate targeting glycoprotein NMB, administered intravenously every 3 weeks in this phase 1 study to determine the safety, tolerability, and maximum tolerated dose in patients who had progressed on any number of previous therapies.A total of 13 patients were enrolled; adverse events (of any grade) including dyspnea, neutropenia, respiratory failure, anemia, increased aspartate transaminase/alanine transaminase, diarrhea, and hypophosphatemia were seen in 15% of patients. Grade 5 events included two cases of respiratory failure, either completely or partially attributed to cancer progression. The only other grade 5 event was "disease progression." The most common adverse events (23%) were decreased appetite, fatigue, rash, and weight loss.The median overall and progression-free survivals were 5.7 months (90% confidence interval: 2.5-16.8) and 2.5 months (90% confidence interval: 1.6-5.8) respectively.Glembatumumab vedotin exhibited no serious or unexpected toxicity in this heavily pretreated population, except those caused by disease progression. Modest anticancer activity was observed with a recommendation for a phase 2 dose of 1.9 mg/kg. This portion of the study was not undertaken owing to the company's decision to discontinue drug development.
View details for Web of Science ID 000631349600122
View details for PubMedID 34590018
View details for PubMedCentralID PMC8474292