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Attend this session at the
2019 ASCO Annual Meeting!


Session: Lung Cancer—Non-Small Cell Metastatic

Type: Poster Session

Time: Sunday June 2, 8:00 AM to 11:00 AM

Location: Hall A

Phase II study of ABBV-399 (Process II) in patients with C-MET positive stage IV/recurrent lung squamous cell cancer (SCC): LUNG-MAP sub-study S1400K (NCT03574753).

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
9075

Poster Board Number:
Poster Session (Board #398)

Citation:
J Clin Oncol 37, 2019 (suppl; abstr 9075)

Author(s): Saiama Naheed Waqar, Mary Weber Redman, Susanne M. Arnold, Fred R. Hirsch, Philip C. Mack, Lawrence Howard Schwartz, David R. Gandara, Tom Stinchcombe, Natasha B. Leighl, Suresh S. Ramalingam, Saloni H. Tanna, Ryan S. Raddin, Katherine Minichiello, Karen Kelly, Jeffrey D. Bradley, Roy S. Herbst, Vassiliki Papadimitrakopoulou; Washington University School of Medicine, St. Louis, MO; SWOG Statistical Center; Fred Hutchinson Cancer Research Center, Seattle, WA; Markey Cancer Center, University of Kentucky, Lexington, KY; University of Colorado Cancer Center, Denver, CO; UC Davis Comprehensive Cancer Center, Sacramento, CA; Columbia University Medical College, New York, NY; University of California, Davis, Sacramento, CA; Duke Cancer Institute, Durham, NC; Princess Margaret Hospital, Toronto, ON, Canada; Winship Cancer Institute, Emory University, Atlanta, GA; Georgia NCORP/Oncology Specialists of Northeast Georgia, Gainsville, GA; Southeast COR NCORP/Bon Secours St. Francis Medical Center Cancer Institute, Midlothian, VA; University of California Davis Comprehensive Cancer Center, Sacramento, CA; Washington University School of Medicine in St. Louis, St. Louis, MO; Yale University School of Medicine, New Haven, CT; University of Texas MD Anderson Cancer Center, Houston, TX

Abstract Disclosures

Abstract:

Background: Lung-MAP is a platform trial to assess targeted therapies in SCC. S1400K was designed to evaluate the response to ABBV-399, an antibody-drug conjugate targeting C-MET, in patients with C-Met positive SCC. Methods: Patients with previously treated SCC with c-MET positive tumors (H score ≥150, Ventana SP44 assay), PS≤1, adequate organ function, peripheral neuropathy ≤ grade (G) 2, edema ≤ G2, albumin ≥3 g/dL, hepatic involvement by tumor < 50%. Patients were enrolled into 2 cohorts: Cohort 1 (immune checkpoint inhibitor (ICI) naïve) and cohort 2 (ICI refractory). ABBV-399 2.7 mg/kg was administered intravenously over 30 minutes every 3 weeks until disease progression or unacceptable toxicity. Response assessments were performed every 6 weeks. The primary endpoint was response by RECIST 1.1. Secondary endpoints included progression-free survival (PFS), overall survival (OS), response within cohort, duration of response (DoR), and toxicities associated with ABBV-399. Interim analysis was planned after 20 evaluable patients, with ≥ 3 responses needed to continue enrollment. Results: Between 2/15/18 and 10/16/2018, 50 patients (17% of patients screened) were assigned to S1400K, 28 patients enrolled (15 in cohort 1 and 13 in cohort 2), 25 were determined eligible, of whom 23 received ABBV-399 and were assessed for adverse events. There were 3 G5 events (2 pneumonitis, both in cohort 2 and 1 bronchopulmonary hemorrhage) and 4 G3 events. S1400K was temporarily closed on 10/16/2018 for interim analysis and safety concerns, and formally closed on 12/21/2018. Two responses were reported, both in cohort 1 (1 complete and 1 unconfirmed partial response, CR and UPR) for a response rate of 9% (95% CI: 0-20%). The CR remains on treatment at 4 months and DoR for the UPR was 2.3 months. Ten patients had stable disease and disease control rate was 52% (3-73%). The median OS and PFS were 4.7 and 2.4 months. Conclusions: ABBV-399 failed to meet the pre-specified response needed to justify continuing enrollment. Pneumonitis was an unanticipated toxicity observed in patients with SCC with previous immunotherapy exposure. Clinical trial information: NCT03574753

 
Other Abstracts in this Sub-Category:

 

1. Association of STK11/LKB1 genomic alterations with lack of benefit from the addition of pembrolizumab to platinum doublet chemotherapy in non-squamous non-small cell lung cancer.

Meeting: 2019 ASCO Annual Meeting Abstract No: 102 First Author: Ferdinandos Skoulidis
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

2. Real-world outcomes of patients with advanced non-small cell lung cancer (aNSCLC) and autoimmune disease (AD) receiving immune checkpoint inhibitors (ICIs).

Meeting: 2019 ASCO Annual Meeting Abstract No: 110 First Author: Sean Khozin
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

3. RELAY: A multinational, double-blind, randomized Phase 3 study of erlotinib (ERL) in combination with ramucirumab (RAM) or placebo (PL) in previously untreated patients with epidermal growth factor receptor mutation-positive (EGFRm) metastatic non-small cell lung cancer (NSCLC).

Meeting: 2019 ASCO Annual Meeting Abstract No: 9000 First Author: Kazuhiko Nakagawa
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

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