Peterlin P, Saada-Bouzid E, Moskovitz M, Pigneux A, Yuda J, Sinnollareddy M, Henner WR, Chen D, Freise KJ, Leibman RS, Avigdor A, Shimizu T. First-in-human clinical trial results with ABBV-184, a first-in-class T-cell receptor/anti-CD3 bispecific protein, in adults with previously treated AML or NSCLC.
Expert Rev Anticancer Ther 2024;
24:893-904. [PMID:
38946484 DOI:
10.1080/14737140.2024.2373888]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 06/14/2024] [Indexed: 07/02/2024]
Abstract
BACKGROUND
ABBV-184, a novel survivin peptide-targeting T-cell receptor (TCR)/anti-CD3 bispecific protein, demonstrated preclinical T-cell activation and cytotoxicity toward HLA-A2:01-positive tumor lines. This first-in-human trial evaluated ABBV-184 monotherapy in patients with acute myeloid leukemia (AML) and non-small cell lung cancer (NSCLC).
RESEARCH DESIGN AND METHODS
This phase 1 multicenter, open-label, dose escalation trial (NCT04272203) enrolled adult patients with relapsed/refractory AML or NSCLC with an HLA-A2:01 restricted genotype. Patients received ABBV-184 at 0.07 ug/kg initially, with 2- to 3-fold dose increases. The primary objective was determining the ABBV-184 recommended phase 2 dose. Secondary objectives included safety, tolerability, pharmacokinetics, and immunogenicity assessments.
RESULTS
Fifteen patients enrolled in the dose escalation (8 AML and 7 NSCLC). ABBV-184 doses ranged from 0.07 mg/kg-0.7 µg/kg, with a half-life of approximately 13-29 hours. Transient cytokine increases were observed at all dose levels, and in patients with NSCLC, transient peripheral blood lymphocyte decreases were observed. The most frequently reported treatment-emergent adverse events (TEAEs) were anemia, diarrhea, and headache. Grade 1-2 infusion-related reaction (IRR) and cytokine release syndrome (CRS) TEAEs were reported.
CONCLUSIONS
ABBV-184 was well tolerated and demonstrated preliminary evidence of CD3 engagement with transient cytokine increases and peripheral lymphocyte decreases.
CLINICAL TRIAL REGISTRATION
NCT04272203.
Collapse