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Poster Display session 3

3468 - Clinical Significance of Immune-related Creatine Phosphokinase Increase Associated with Anti PD1/PD-L1 immunotherapies.

Date

30 Sep 2019

Session

Poster Display session 3

Topics

Immunotherapy

Tumour Site

Presenters

Samia Hajem

Citation

Annals of Oncology (2019) 30 (suppl_5): v475-v532. 10.1093/annonc/mdz253

Authors

S.S. Hajem1, C. Baldini2, S. Ederhy3, M. Berhoune4, F. Troalen5, P. Romano-Martin2, P. Vuagnat2, S. Champiat2, A. Varga2, A. Hollebecque2, C. Cauquil6, C. Mateus7, C. Robert7, C. Massard2, O. Lambotte8, J. Michot2

Author affiliations

  • 1 Faculty Of Pharmacy, Paris Descartes University, 75006 - Paris/FR
  • 2 Drug Developpement Department, Institut Gustave Roussy, 94800 - Villejuif/FR
  • 3 Cardiology, Hôpital Saint-Antoine, 75 571 - Paris/FR
  • 4 Clinical Pharmacy Department, Institut Gustave Roussy, 94800 - Villejuif/FR
  • 5 Medical Biology Department, Gustave Roussy, 94805 - Villejuif/FR
  • 6 Neurology Department, Hôpital Kremlin-Bicêtre, 75 - Paris/FR
  • 7 Dermatology Department, Institut Gustave Roussy, 94805 - Villejuif/FR
  • 8 Internal Medicine Department, CHU de Bicêtre, 91275 - Le Kremlin Bicetre/FR

Resources

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Abstract 3468

Background

Anti-PD1 and anti-PD-L1 are effective checkpoints inhibitors to stimulate the immune system against many types of cancers. The flip side of these immunotherapies is the generation of immune-related adverse events (irAE), which can theoretically affect all organs including muscle tissue. Immune-related creatine phosphokinase (irCPK) increase is associated with immune related myositis. The meaning of CPK monitoring in clinical practice remains poorly understood. In this observational study, all the grade ≥ 2 increased CPK occurring in patients treated with anti-PD-1 or anti-PD-L1 were investigated to determine their clinical significance.

Methods

All consecutive pts treated with anti-PD1 or anti-PD-L1, in monotherapy or in combine therapy with other agents, monitored by routine CPK in the Drug Development Department (DITEP) and in the Dermatology Unit of Gustave Roussy between January 2016 and December 2018 were retrospectively reviewed. Patients CPK monitoring level were extracted from biological chart and all the patients with grade ≥ 2 increased CPK were selected for the analysis.

Results

Among the 1151 patients treated with anti PD1/PD-L1, 53 (4.6%) had grade ≥ 2 increased CPK regardless of immune causality and 31 (2.7%) had a grade ≥ 2 irCPK increase. Among the 53 pts with CPK increase, mean age was 54 years old, tumor types were skin (n = 21), bladder and urothelial (n = 5), head and neck (n = 4) and others (n = 23). CPK increase was not related to the treatment in 22 (41%) pts, was immune-related to anti-PD1/PDL1 and not clinically significant in 19 (36%) pts, was immune-related with muscular adverse events in 10 (19%) pts, including 2 myositis and 2 acute polyradiculoneuritis; and was immune-related with myocarditis in 2 (4%) pts. The mean of CPK maximal peak was significantly higher in patients with immune-related cardiac or muscular adverse event that in the asymptomatic CPK increase pts (1271 UI/L vs. 771 UI/L, p-value = 0.02).

Conclusions

The frequency of grade ≥ 2 irCPK increase is estimated at 2.7% of patients treated with anti-PD1 or anti-PD-L1. For patients treated with anti PD1/PD-L1, regular CPK monitoring appears as clinically relevant in the early detection of immune-related cardiac and muscular adverse events.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

Jean-Marie Michot.

Funding

Has not received any funding.

Disclosure

C. Baldini: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. P. Romano-Martin: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. P. Vuagnat: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. S. Champiat: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. A. Varga: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. A. Hollebecque: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. C. Robert: Advisory / Consultancy: Roche, BMS, MSD, Amgen, Novartis. C. Massard: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. O. Lambotte: Advisory / Consultancy: BMS, MSD, AstraZeneca, LFB, CSL Behring, Janssen. J. Michot: Advisory / Consultancy: Consultant/Advisory fees from Amgen, Astellas, AstraZeneca, Bayer, BeiGene, BMS, Celgene, Debiopharm, Genentech, Ipsen, Janssen, Lilly, MedImmune, MSD, Novartis, Pfizer, Roche, Sanofi, Orion Principal/sub-Investigator of Clinical Trials for AbbVie, Aduro. All other authors have declared no conflicts of interest.

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