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Poster display session: Breast cancer - early stage, locally advanced & metastatic, CNS tumours, Developmental therapeutics, Genitourinary tumours - prostate & non-prostate, Palliative care, Psycho-oncology, Public health policy, Sarcoma, Supportive care

5577 - Safety and Efficacy of the PD-1 Inhibitor ABBV-181 in Patients with Advanced Solid Tumors: Preliminary Phase 1 Results from Study M15-892


22 Oct 2018


Poster display session: Breast cancer - early stage, locally advanced & metastatic, CNS tumours, Developmental therapeutics, Genitourinary tumours - prostate & non-prostate, Palliative care, Psycho-oncology, Public health policy, Sarcoma, Supportive care


Clinical Research

Tumour Site


John Powderly


Annals of Oncology (2018) 29 (suppl_8): viii133-viii148. 10.1093/annonc/mdy279


J. Powderly1, P.A. Cassier2, A. Cervantes3, B. Gao4, A. Gazzah5, A. Italiano6, C. Lin7, J.J. Luke8, V. Moreno9, K. Peltola10, D. Rasco11, A.I. Spira12, M.M.E. Tanner13, D. Tosi14, D. Afar15, S. Englert15, A. Parikh15, A. Reddy15, G. Vosganian15, A.W. Tolcher16

Author affiliations

  • 1 Founder, Carolina Biooncology Cancer Therapy, 28078 - Huntersville/US
  • 2 Department Of Medicine, Centre Léon Bérard, 69008 - Lyon/FR
  • 3 Medical Oncology, Hospital Clinico Universitario de Valencia, 46010 - Valencia/ES
  • 4 Medical Oncology, The Crown Princess Mary Cancer Centre, 2145 - Westmead/AU
  • 5 Medical Oncology, Institut Gustave Roussy, 94800 - Villejuif/FR
  • 6 Early Phase Trials Unit, Institute Bergonié, 33076 - Bordeaux/FR
  • 7 Department Of Oncology, National Taiwan University Hospital, 100 - Taipei city/TW
  • 8 Medical Oncology, The University of Chicago Medical Centre, 60637-1470 - Chicago/US
  • 9 Medical Oncology-start Madrid-fjd, University Hospital "Fundacion Jimenez Diaz", 28040 - Madrid/ES
  • 10 Trial Unit, Helsinki University Central Hospital, 00029 - Helsinki/FI
  • 11 Medical Oncology, START, San Antonio/US
  • 12 ,, Virginia Cancer Specialists, Fairfax/US
  • 13 Medical Oncology, Tampere University Hospital (Tays), 33521 - Tampere/FI
  • 14 Medical Oncology, Institut du Cancer de Montpellier, 34290 - Montpellier/FR
  • 15 Oncology, AbbVie Inc., Redwood City/US
  • 16 Clinical research, NEXT OncologyTM, San Antonio/US


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Abstract 5577


ABBV-181 is a humanized, recombinant, IgG1 monoclonal antibody targeting programmed cell death 1 (PD-1), incorporating an Fc mutation to limit FcgR-mediated effector function. Here we present preliminary ABBV-181 monotherapy data.


Patients (pts) with previously treated advanced solid tumors received ABBV-181 to progression at 1, 3, or 10 mg/kg IV Q2W (3 + 3 dose finding phase). Following dose finding, multi-histology, non-small cell lung cancer (NSCLC) and head and neck squamous cell cancer (HNSCC) cohorts were opened. Dose limiting toxicities (DLTs) were assessed on days 1-28 of dose finding focused on immune mediated (IM) events, hemolysis, and cytopenia. Response is assessed Q8W per response evaluation criteria in solid tumors (RECIST v.1.1) and immune RECIST.


As of January 15, 2018, 53 pts were treated with ABBV-181: 25 in dose finding, 17, 6, and 5 in multi-histology, HNSCC and NSCLC cohorts, respectively. Median age was 61 (range 27-84) years, 41% male, most frequent diagnoses in dose finding and multi-histology: cholangio, ovarian, breast and cervical carcinoma. Median days on study were 43 (range 1-379), 42 (79%) pts had ≥ 1 adverse event (AE), 22 pts (42%) had grade ≥ 3 AEs and 8 (15%) pts had IM AEs. The most frequent AEs of any grade were: fatigue (18 pts), constipation and vomiting (9 pts each). No DLTs were reported. ABBV-181 was discontinued in 33 (62%) pts, 27 for progression and 1 each for AEs of diabetic ketoacidosis, progression and small intestinal obstruction. PD-L1 was expressed on 7/21 (33%) available pretreatment samples (Dako 28-8 assay with 1% threshold). By investigator assessment, 4/34 (12%) pts with post baseline assessment responded (all in dose finding, all partial responses). Sustained PD-1 saturation on circulating CD4 T cells was observed at all doses. ABBV-181 pharmacokinetics (PK) were approximately dose-proportional in dose finding.


ABBV-181 monotherapy demonstrates target engagement and encouraging efficacy without unexpected safety signals. PK and pharmacodynamic data from dose finding support flat doses of 250 mg Q2W, 375 mg Q3W or 500 mg Q4W for expansion. Enrollment in the expansion cohorts continues.

Clinical trial identification


Legal entity responsible for the study

AbbVie Inc.


AbbVie Inc.

Editorial Acknowledgement


P.A. Cassier: Honoraria: Novartis, Roche-Genentech, Blueprint Medicines, Amgen; Institution research funding: Novartis, Roche/Genentech, Lilly, Blueprint Medicines, Bayer, AstraZeneca, Celgene, Plexxikon, AbbVie, Bristol-Myers Squibb, Merck Serono, Merck, Sharp and Dohme. K. Peltola: Advisory fees: Orion Pharma, BMS, MSD, Pfizer, Ipsen and Roche; Stock holder: Faron Pharmaceuticals. A.I. Spira: Consultant and institutional research support: AbbVie. M.M.E. Tanner: Finnish advisory board: Roche, Novartis, Pfizer; Speakers bureau: Roche, Novartis, Pfizer, Amgen. D. Afar, S. Englert, A. Parikh, A. Reddy, G. Vosganian: Employee and may own stock: AbbVie. A.W. Tolcher: Consultant: AbbVie. All other authors have declared no conflicts of interest.

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