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Proffered Paper – Head and neck cancer

3257 - A phase II study of Monalizumab in patients with recurrent/metastatic (RM) squamous cell carcinoma of the head and neck (SCCHN): results of the I1 cohort of the EORTC-HNCG-1559 trial (UPSTREAM).

Date

30 Sep 2019

Session

Proffered Paper – Head and neck cancer

Presenters

Rachel Galot

Citation

Annals of Oncology (2019) 30 (suppl_5): v449-v474. 10.1093/annonc/mdz252

Authors

R. Galot1, C. Le Tourneau2, E. Saada-Bouzid3, A. Daste4, C. Even5, P.R. Debruyne6, S. Henry7, S. Zanetta8, A. Rutten9, L.F. Licitra10, J. Canon11, M. Kaminsky-Forrett12, P. Specenier13, S. Rottey14, L. Dirix15, T. Raveloarivahy15, C. Fortpied Lefevre15, M.B.M. Vanlancker16, A. Govaerts17, J. Machiels18

Author affiliations

  • 1 Medical Oncology, Cliniques Universitaires St. Luc, 1200 - Brussels/BE
  • 2 Medical Oncology, Institut Curie, 75005 - Paris/FR
  • 3 Medical Oncology, Hopital Lacassagne, 06100 - Nice/FR
  • 4 Gironde, CHU Bordeaux Hopital St. André, 33000 - Bordeaux/FR
  • 5 Medical Oncology, Institut Gustave Roussy, 94800 - Villejuif/FR
  • 6 Medical Oncology, AZ Groeninge Hospital, 8500 - Kortrijk/BE
  • 7 Medical Oncology, CHU-UCL-Namur Clinique Ste Elisabeth, 5000 - Namur/BE
  • 8 Medical Oncology, Centre Georges-François Leclerc (Dijon), 21000 - Dijon/FR
  • 9 Department Of Oncology, St-Augustinus Ziekenhuis, 2580 - Wilrijk/BE
  • 10 Head And Neck Medical Oncology Unit, Istituto Nazionale dei Tumori di Milano - Fondazione IRCCS, 20133 - Milan/IT
  • 11 Department Of Oncology-hematology, Grand Hopital de Charleroi Site Notre Dame, 6000 - Charleroi/BE
  • 12 Medical Oncology, Institut de Cancérologie de Lorraine - Alexis Vautrin, 54519 - Vandoeuvre les Nancy/FR
  • 13 Medical Oncology, University Hospital Antwerp, B-2650 - Edegem/BE
  • 14 Department Of Medical Oncology, UZ Gent, 9000 - Gent/BE
  • 15 Head And Neck Group, EORTC, 1200 - Brussels/BE
  • 16 Medical Department, EORTC - European Organisation for Research and Treatment of Cancer, 1200 - Brussels/BE
  • 17 Medical, EORTC - European Organisation for Research and Treatment of Cancer, 1200 - Brussels/BE
  • 18 Oncology, Cliniques Universitaires St. Luc, 1200 - Brussels/BE
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Resources

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Abstract 3257

Background

Patients (pts) with RM SCCHN progressing after platinum have a median overall survival (OS) of 7-8 months with nivolumab or pembrolizumab. No other drug has shown meaningful activity in this setting. HLA-E is a non-classical MHC molecule that is highly expressed in 70% of SCCHN. By binding to the NKG2A receptor expressed on NK cells and T-lymphocytes, HLA-E inhibits their cytotoxic function. Monalizumab (mona) is a human IgG4 antibody targeting the NKG2A receptor.

Methods

The UPSTREAM trial is a biomarker-driven umbrella trial of several targeted therapies and immunotherapy for RM SCCHN (post platinum, ECOG 0-1, measurable disease). The immunotherapy 1 (I1) cohort was a phase II, single arm, proof-of-concept substudy evaluating the efficacy of single agent mona. Non-eligible pts for the biomarker-driven cohorts were included in the I1 cohort. Mona was given as an infusion (10 mg/kg) on day 1 of each cycle (14 days). The primary endpoint was objective response rate (RECISTv1.1) during the first 16 weeks. A two-stage Simon design was used (H1 15%, H0 3%, α 8%, power 90%) with planned interruption of accrual if no response was seen after 25 pts. Secondary endpoints included toxicity (CTCAEv4.03), progression-free survival (PFS), response duration and OS.

Results

27 RM SCCHN pts were included in the 1st stage (median age: 62 yrs, oral cavity (26%), oropharynx (41%), hypopharynx (26%), larynx (7%)). 16 (59%) were pretreated with anti-PD(-L)1 compounds. No objective response was recorded. Stable disease was observed in 6 pts (22%). Disease progression was recorded in all but one patient and the median PFS was 7.4 wks (95% CI: 6.6-7.9 wks). Based on 16/27 deaths currently recorded, median OS was 27.7 wks (95% CI: 13-53.9 wks). Mona showed a favorable safety profile: 59% pts reported grade >/= 3 adverse events, none of them treatment-related. The final results of these preliminary data will be presented at ESMO.

Conclusions

The substudy of mona in monotherapy did not meet its primary objective and was closed at interim for futility. Median PFS was 7.4 wks. Mona has a favorable safety profile and is under investigation in combination with durvalumab within the UPSTREAM trial.

Clinical trial identification

NCT03088059.

Editorial acknowledgement

Legal entity responsible for the study

EORTC.

Funding

EORTC, Innate Pharma.

Disclosure

R. Galot: Advisory / Consultancy: Innate Pharma; Travel / Accommodation / Expenses: Amgen; Travel / Accommodation / Expenses: Astellas. C. Le Tourneau: Advisory / Consultancy: MSD; Advisory / Consultancy: Merck-Serono; Advisory / Consultancy: BMS; Advisory / Consultancy: Amgen; Advisory / Consultancy: Roche; Advisory / Consultancy: GSK; Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: Nanobiotix. C. Even: Honoraria (institution), Advisory / Consultancy, Travel / Accommodation / Expenses: BMS; Honoraria (institution), Advisory / Consultancy, Travel / Accommodation / Expenses: Merck Serono; Advisory / Consultancy, Travel / Accommodation / Expenses: MSD; Advisory / Consultancy: Innate Pharma. L.F. Licitra: Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: BMS; Advisory / Consultancy, Research grant / Funding (institution): EISAI; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: MSD; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Merck-Serono; Advisory / Consultancy, Research grant / Funding (institution): Boehringer Ingelheim; Advisory / Consultancy, Research grant / Funding (institution): Novartis; Advisory / Consultancy, Research grant / Funding (institution): AstraZeneca; Advisory / Consultancy, Research grant / Funding (institution): Roche; Advisory / Consultancy, Travel / Accommodation / Expenses: Bayer; Advisory / Consultancy: Debiopharm; Advisory / Consultancy, Research grant / Funding (institution): Sobi; Honoraria (self), Advisory / Consultancy, For teaching in medical meetings: Incyte Biosciences Italy srl; Advisory / Consultancy: Doxa Pharma; Honoraria (self), For public speaking in medical meetings: Amgen; Advisory / Consultancy: Nanobiotics; Advisory / Consultancy: GSK; Research grant / Funding (institution): Celgene; Research grant / Funding (institution): Exelixis; Research grant / Funding (institution): IRX Therapeutics; Research grant / Funding (institution): Pfizer. M. Kaminsky-Forrett: Honoraria (self), Advisory / Consultancy: Merck; Honoraria (self), Advisory / Consultancy: Novartis; Honoraria (self): AstraZeneca; Advisory / Consultancy: EMD Serono. J. Machiels: Honoraria (institution), Research grant / Funding (institution), Travel / Accommodation / Expenses: Pfizer; Advisory / Consultancy, Research grant / Funding (institution): Roche; Honoraria (institution), Research grant / Funding (institution): AstraZeneca; Advisory / Consultancy, Research grant / Funding (institution): Bayer; Advisory / Consultancy: Innate Pharma; Honoraria (institution), Research grant / Funding (institution): Merck Serono; Honoraria (institution), Advisory / Consultancy, Research grant / Funding (institution): Boehringer Ingelheim; Honoraria (institution), Research grant / Funding (institution), Travel / Accommodation / Expenses: BMS; Honoraria (institution), Research grant / Funding (institution): Novartis; Honoraria (institution), Research grant / Funding (institution): Janssen; Honoraria (institution), Research grant / Funding (institution): Incyte; Research grant / Funding (institution), Travel / Accommodation / Expenses: Amgen; Research grant / Funding (institution), Travel / Accommodation / Expenses: MSD; Advisory / Consultancy, Data safety monitoring board with honoraria: Debio; Advisory / Consultancy, Data safety monitoring board with honoraria: Nanobiotix; Non-remunerated activity/ies, investigator and study coordinator: EORTC. All other authors have declared no conflicts of interest.

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