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Avelumab in patients with previously treated metastatic melanoma: phase 1b results from the JAVELIN Solid Tumor trial.


ABSTRACT: BACKGROUND:We report phase 1b data from patients enrolled in the JAVELIN Solid Tumor clinical trial (NCT01772004) with unresectable stage IIIC or IV melanoma that had progressed after ?1 line of therapy for metastatic disease. PATIENTS AND METHODS:Patients received avelumab (10?mg/kg)-a human anti-PD-L1 antibody. Assessments included objective response rate (ORR), progression-free survival (PFS), overall survival (OS), and safety. RESULTS:As of December 31, 2016, 51 patients were treated and followed for a median of 24.2?months (range, 16.1-31.5). Most patients had cutaneous (n =?28 [54.9%]) or ocular (n =?16 [31.4%]) melanoma and had received a median of 2 prior lines of therapy (range, 0-4), including ipilimumab (n =?26 [51.0%]). The confirmed ORR was 21.6% (95% CI, 11.3-35.3; complete response, 7.8%; partial response, 13.7%). The median duration of response was not estimable (95% CI, 2.6?months-not estimable). Median PFS and OS were 3.1?months (95% CI, 1.4-6.3) and 17.2?months (95% CI, 6.6-not estimable), respectively. Subgroup analyses suggested meaningful clinical activity (ORR [95% CI]) in patients with non-ocular melanoma (31.4% [16.9-49.3]), PD-L1-positive tumors (42.1% [20.3-66.5]), or prior ipilimumab therapy (30.8% [14.3-51.8]). Thirty-nine patients (76.5%) had a treatment-related adverse event (TRAE), most commonly infusion-related reaction (29.4%), fatigue (17.6%), and chills (11.8%); 4 patients (7.8%) had a grade 3 TRAE. Five patients (9.8%) had an immune-related TRAE (all were grade 1/2). No grade 4 TRAEs or treatment-related deaths were reported. CONCLUSION:Avelumab showed durable responses, promising survival outcomes, and an acceptable safety profile in patients with previously treated metastatic melanoma. TRIAL REGISTRATION:ClinicalTrials.gov identifier: NCT01772004 .

SUBMITTER: Keilholz U 

PROVIDER: S-EPMC6335739 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Avelumab in patients with previously treated metastatic melanoma: phase 1b results from the JAVELIN Solid Tumor trial.

Keilholz Ulrich U   Mehnert Janice M JM   Bauer Sebastian S   Bourgeois Hugues H   Patel Manish R MR   Gravenor Donald D   Nemunaitis John J JJ   Taylor Matthew H MH   Wyrwicz Lucjan L   Lee Keun-Wook KW   Kasturi Vijay V   Chin Kevin K   von Heydebreck Anja A   Gulley James L JL  

Journal for immunotherapy of cancer 20190116 1


<h4>Background</h4>We report phase 1b data from patients enrolled in the JAVELIN Solid Tumor clinical trial (NCT01772004) with unresectable stage IIIC or IV melanoma that had progressed after ≥1 line of therapy for metastatic disease.<h4>Patients and methods</h4>Patients received avelumab (10 mg/kg)-a human anti-PD-L1 antibody. Assessments included objective response rate (ORR), progression-free survival (PFS), overall survival (OS), and safety.<h4>Results</h4>As of December 31, 2016, 51 patient  ...[more]

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