scholarly journals P865 Safety & efficacy of lifileucel (LN-144) tumor infiltrating lymphocyte therapy in metastatic melanoma patients after progression on multiple therapies – independent review committee data update

2020 ◽  
Vol 8 (Suppl 1) ◽  
pp. A12-A12
Author(s):  
Amod Sarnaik ◽  
Nikhil Khushalani ◽  
Jason Chesney ◽  
Harriet Kluger ◽  
Brendan Curti ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Advanced Melanoma ◽  
Review Committee ◽  
Safety And Efficacy ◽  
Mek Inhibitors ◽  
Tumor Infiltrating Lymphocyte ◽  
Heavily Pretreated ◽  
Independent Review ◽  
Melanoma Patients

BackgroundTreatment options are limited for patients with advanced melanoma who have progressed on checkpoint inhibitors and targeted therapies such as BRAF/MEK inhibitors (if BRAF-V600E mutated). Adoptive cell therapy utilizing tumor-infiltrating lymphocytes (TIL) has shown antitumor efficacy with durable responses in heavily pretreated melanoma patients. Safety and efficacy of lifileucel, a centrally manufactured cryopreserved autologous TIL therapy assessed by both investigator and an independent review committee (IRC), are presented.MethodsC-144-01 is a global Phase 2 open-label, multicenter study of the safety and efficacy of lifileucel in patients with unresectable metastatic melanoma. We report on Cohort 2 (N = 66) patients with Stage IIIC/IV unresectable melanoma who received lifileucel. Tumors resected at local institutions were processed in central GMP facilities for TIL production in a 22-day process. Final TIL infusion product was cryopreserved and shipped to sites. Patients received one week of cyclophosphamide/fludarabine preconditioning lymphodepletion, a single lifileucel infusion, followed by up to 6 doses of IL-2. All responses were assessed by RECIST 1.1.Results66 patients had the following baseline characteristics: 3.3 mean prior therapies (anti-PD1 100%; anti-CTLA-4 80%; BRAF/MEK inhibitor 23%), relatively high tumor burden (106 mm mean target lesion sum of diameters), 44% with liver and/or brain lesions, median LDH 244 U/L. Objective Response Rate (ORR) by investigator was 36.4% (2 CR, 22 PR, 1 previously confirmed PR is now changed to SD) and Disease Control Rate (DCR) of 80.3%. At a median follow up of 9.7 months, median Duration of Response (DOR) has not been reached. The adverse event profile was generally consistent with the underlying advanced disease and the profile of the lymphodepletion and IL-2 regimens.The ORR per IRC was 34.8% (2 CR, 21 PR) and DCR was 72.7%. At a median follow up of 6.9 months, the median IRC DOR has not been reached. Overall concordance rate of investigator and IRC read of response was 89.4%. The concordance compares favorably with literature reports in a metastatic disease.1ConclusionsLifileucel treatment resulted in a 36.4% ORR in heavily pretreated metastatic melanoma patients with high baseline disease burden who had received prior anti-PD1 and BRAF/MEK inhibitors, if tumor BRAF mutated. The high concordance of 89.4% between investigator and IRC confirms the original assessment of lifileucel efficacy in metastatic melanoma.2AcknowledgementsThe authors would like to thank the patients and their families for participation in the study.The authors would also like to acknowledge the support and dedication of all investigators and site team members from all participating clinical trial institutions.Trial RegistrationClinicalTrials. gov Identifier: NCT02360579Ethics ApprovalEthics Approval This trial was approved by Western Institutional Review Board - IRB Tracking Number: 20160198.ReferencesGhiorghiu DC, et al. Comparison of central and site review of RECIST data in an open randomised phase II trial in advanced melanoma. 10.1594.ecr 2009/C-075.Sarnaik A, et al. Safety and efficacy of cryopreserved autologous tumor infiltrating lymphocyte therapy (LN-144, lifileucel) in advanced metastatic melanoma patients who progressed on multiple prior therapies including anti-PD-1. J Clin Oncol 2019;37:2518–2518.

Long-term follow up of lifileucel (LN-144) cryopreserved autologous tumor infiltrating lymphocyte therapy in patients with advanced melanoma progressed on multiple prior therapies.

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 10006-10006 ◽  
Author(s):  
Amod Sarnaik ◽  
Nikhil I. Khushalani ◽  
Jason Alan Chesney ◽  
Karl D. Lewis ◽  
Theresa Michelle Medina ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Checkpoint Inhibitors ◽  
Adoptive Cell Therapy ◽  
Advanced Melanoma ◽  
Autologous Tumor ◽  
Mek Inhibitors ◽  
High Baseline ◽  
Heavily Pretreated ◽  
Melanoma Patients

10006 Background: Treatment options are limited for patients with advanced melanoma who have progressed on checkpoint inhibitors and targeted therapies. Adoptive cell therapy using tumor-infiltrating lymphocytes (TIL) leverages and enhances the body’s natural defense against cancer and has shown durable responses in heavily pretreated melanoma patients. Methods: C-144-01 is a global Phase 2 open-label, multicenter study of efficacy & safety of lifileucel in patients with unresectable metastatic melanoma who have progressed on checkpoint inhibitors and BRAF/MEK inhibitors, if BRAFv600 mutant. We report on Cohort 2 (N = 66) patients who have received TIL. Tumors were resected at local institutions, processed in central GMP facilities for TIL production, manufactured, cryopreserved & shipped back to sites in a 22-day process. Therapy consisted of one week of lymphodepletion, a single lifileucel infusion, and up to 6 IL-2 doses. ORR was based on RECIST v1.1 by investigator assessment. Data cutoff was Feb 2, 2020. Results: Baseline characteristics: 3.3 mean prior therapies (anti-PD1 100%; anti-CTLA-4 80%; BRAF/MEK inhibitor 23%), high baseline tumor burden (106 mm mean target lesion sum of diameters), 44% liver/brain lesions, 40.9% LDH > ULN. ORR by investigator was 36.4% (2 CR, 22 PR) and DCR was 80.3%. Mean time to response was 1.9 months (range: 1.3-5.6). After a median study follow-up of 17.0 months, median DOR (mDOR) was still not reached. Six responders have progressed, 2 have died and 2 started other anti-cancer therapy without progression. The adverse event profile was consistent with the underlying advanced disease and the lymphodepletion and IL-2 regimens. Additional follow-up data will be available for presentation. Conclusions: Lifileucel treatment results in a 36.4% ORR and mDOR was not reached at 17.0 months of median study follow up in a heavily pretreated metastatic melanoma patients with high baseline disease burden who progressed on multiple prior therapies, including anti-PD1 and BRAF/MEK inhibitors, if BRAFv600 mutant. Clinical trial information: NCT02360579.

Safety and efficacy of cryopreserved autologous tumor infiltrating lymphocyte therapy (LN-144, lifileucel) in advanced metastatic melanoma patients who progressed on multiple prior therapies including anti-PD-1.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 2518-2518 ◽  
Author(s):  
Amod Sarnaik ◽  
Nikhil I. Khushalani ◽  
Jason Alan Chesney ◽  
Harriet M. Kluger ◽  
Brendan D. Curti ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Adoptive Cell Therapy ◽  
Mek Inhibitor ◽  
Braf V600e ◽  
Autologous Tumor ◽  
Safety And Efficacy ◽  
High Baseline ◽  
Heavily Pretreated ◽  
Melanoma Patients

2518 Background: Treatment options are limited for patients with advanced melanoma who have progressed on checkpoint inhibitors and targeted therapies such as BRAF/MEK inhibitors (if BRAF-V600E mutated). Adoptive cell therapy utilizing tumor-infiltrating lymphocytes (TIL) has shown antitumor efficacy with durable long-term responses in heavily pretreated melanoma patients. Safety and efficacy of lifileucel (LN-144), a centrally manufactured autologous TIL therapy are presented. Methods: C-144-01 is a global Phase 2 open-label, multicenter study of the efficacy and safety of lifileucel in patients with unresectable metastatic melanoma. We report on Cohort 2 (N = 55) patients who received cryopreserved lifileucel. Tumors resected at local institutions were processed in central GMP facilities for TIL production in a 22-day process. Final TIL infusion product was cryopreserved and shipped to sites. Patients received one week of cyclophosphamide/fludarabine preconditioning lymphodepletion, a single lifileucel infusion, followed by up to 6 doses of IL-2. Results: In 55 patients with Stage IIIC/IV unresectable melanoma, 3.1 mean prior therapies (anti-PD1 100%; anti-CTLA-4 80%; BRAF/MEK inhibitor 24%), high baseline tumor burden (110 mm mean target lesion sum of diameters), ORR was 38% (2 CR, 18 PR, 1 uPR). Of 21 responders, 4 have progressed to date with median follow up of 7.4 months. Overall disease control was 76%. Improved responses in some patients were observed with longer follow up. Most (54) patients progressed on prior anti-PD1 and those with PD-L1 negative status (TPS < 5%) were among responders. Mean cells infused was 28 x109. Median IL-2 doses administered was 6.0. Adverse events resolved to baseline, 2 weeks post TIL infusion, a potentially important benefit of one-time TIL therapy. Conclusions: Lifileucel treatment results in 38% ORR in heavily pretreated metastatic melanoma patients with high baseline disease burden who received prior anti-PD1 and BRAF/MEK inhibitor if BRAF mutated. Based on these data, a new Cohort 4 in C-144-01 has been initiated to support lifileucel registration. Clinical trial information: NCT02360579.

Safety and efficacy of cryopreserved autologous tumor infiltrating lymphocyte therapy (LN-144, lifileucel) in advanced metastatic melanoma patients previously treated with at least one prior systemic therapy.

2019 ◽  
Vol 37 (8_suppl) ◽  
pp. 136-136
Author(s):  
Amod Sarnaik ◽  
Sajeve Samuel Thomas ◽  
Diwakar Davar ◽  
John M. Kirkwood ◽  
Harriet M. Kluger ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Preliminary Data ◽  
Checkpoint Inhibitors ◽  
Therapeutic Option ◽  
Adoptive Cell Therapy ◽  
High Dose ◽  
Autologous Tumor ◽  
Mek Inhibitors ◽  
Melanoma Patients

136 Background: While immunotherapies including checkpoint inhibitors and targeted therapies (BRAF/MEK inhibitors) are options for patients with metastatic melanoma, many patients still develop progressive disease. These patients have few treatment options available including high dose IL-2 and chemotherapy with reported second line response rates of 4-10%. Adoptive cell therapy utilizing tumor-infiltrating lymphocytes (TIL) is recognized as an effective treatment in metastatic melanoma, able to elicit durable and complete responses in even heavily pretreated patients. We provide preliminary data for lifileucel TIL (LN-144) in heavily pre-treated metastatic melanoma patients who progressed on multiple checkpoint and BRAF/MEK inhibitors. Methods: C-144-01 is an ongoing global Phase 2, open-label, multicenter study of efficacy and safety of lifileucel in patients with unresectable metastatic melanoma. We report on Cohort 2 (N = 47) patients who received cryopreserved lifileucel. Tumors resected at local institutions were processed at central GMP facilities in a 22-day manufacturing process. The final product was cryopreserved and shipped to sites. Patients received a one week cyclophosphamide/fludarabine preconditioning lymphodepletion regimen, a single lifileucel infusion, followed by up to 6 doses of iv IL-2 (600,000 IU/kg). Results: Patients with Stage IIIC/IV melanoma had 3.3 mean prior therapies (range: 1-9) and high baseline tumor burden, reflected by a mean sum of diameters of target lesions of 112 mm. Preliminary efficacy results: ORR = 38% (1 CR, 13 PR, 4 uPR), DCR = 77%, and median DOR 6.4 mo (range: 1.3 to 13.7) with median follow-up 6.0 mo. Longer follow-up led to improved responses in some patients including the CR. Frequency of AEs decreased over time, a potentially important benefit of one-time TIL treatment. Conclusions: Preliminary data support lifileucel TIL as an efficacious and well-tolerated therapeutic option for patients with metastatic melanoma who have failed multiple lines of prior therapies including checkpoint inhibitors and BRAF/MEK inhibitors. Clinical trial information: NCT02360579.

Patient human leukocyte antigen (HLA) genotype may predict response to anti-programmed death receptor 1 (anti-PD1) in advanced melanoma.

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e21512-e21512
Author(s):  
Oliver Oey ◽  
Muhammad Adnan Khattak ◽  
Afaf Abed ◽  
Tarek Meniawy ◽  
Anna Reid ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Prognostic Value ◽  
Cox Regression ◽  
Multivariate Analyses ◽  
Locally Advanced ◽  
White Blood Cells ◽  
Advanced Melanoma ◽  
Hla B27 ◽  
Melanoma Patients ◽  
Hla Genotype

e21512 Background: Anti-PD-1 therapy has improved the outcome of advanced melanoma patients with a 5-year survival rate of about 40-45%. However, biomarkers predictive of response to immune checkpoint blockade therapy are lacking. There is limited data on the utility of host germline human leucocyte antigen (HLA) genotype as a predictor of response to anti-PD-1 therapy in advanced melanoma. Here, we investigate the prognostic value of HLA in predicting survival outcomes of patients with unresectable locally advanced, metastatic melanoma on anti-PD-1 therapy. Methods: Blood was collected from 113 metastatic melanoma patients who were treated with anti-PD-1 therapy at two major oncology centres in Western Australia. High quality DNA was extracted from white blood cells and subsequently HLA-I and HLA-II typed using clinically validated assay. Univariate analyses were conducted using Cox regression model correlating homozygosity at HLA-I and HLA-II loci with overall survival (OS). HLA-A and HLA-B were classified into 12 supertypes and correlated with OS. Multivariate analyses were performed while controlling for age, gender, prior therapy, BRAF mutation status, ECOG performance status and presence of liver and brain metastases. Results: Homozygosity at HLA-I or HLA-II loci was not associated with OS. However, the absence of HLA-B62 supertype was associated with a trend towards improved OS (HR: 0.53 [95% CI:0.25-1.10]; P = 0.09) as reported previously. Notably, the absence of HLA-B27 supertype was associated with improved OS which was statistically significant (HR: 0.45 [95% CI:0.24-0.85]; P = 0.01). In multivariate analyses, the prognostic value of HLA-B27 supertype (HR: 0.38 [95% CI:0.19-0.76]; P = 0.006) was maintained, whereas the prognostic value of HLA-B62 supertype significantly improved (HR: 0.42 [95% CI:0.19-0.94]; P = 0.03). Conclusions: Our results suggest a limited role of HLA homozygosity in predicting survival of melanoma patients treated with anti-PD-1 therapy. However, we identified that the absence of HLA-B62 and HLA-B27 supertype is associated with improved survival benefit. Therefore, HLA-B27 and HLA-B62 supertype may be used as adjunct biomarkers of response to anti-PD-1 therapy in patients with melanoma in addition to PD-L1 status, pending validation in prospective randomised clinical trials.

Complete responses to two different anti-PD1 agents in a metastatic melanoma patient

2019 ◽  
Vol 26 (2) ◽  
pp. 496-499 ◽  
Author(s):  
Saadettin Kilickap ◽  
Deniz C Guven ◽  
Oktay H Aktepe ◽  
Burak Y Aktas ◽  
Omer Dizdar
Keyword(s):  
Metastatic Melanoma ◽  
Checkpoint Inhibitors ◽  
Real Life ◽  
Complete Response ◽  
Duration Of Treatment ◽  
Treatment Protocols ◽  
Real Life Data ◽  
Heavily Pretreated ◽  
Drug Free

In the last decade, immune checkpoint inhibitors changed the landscape of metastatic melanoma. However, the optimal duration of treatment and treatment cessation in responders is largely unknown. Herein, we represent a heavily pretreated metastatic melanoma case who had a complete response to pembrolizumab and also a complete response with nivolumab after progression during drug-free follow-up. We think that reinduction with a different anti-PD1 antibody may be used in patients with metastatic melanoma responders. Clinical trials with prespecified sequential treatment protocols and large real-life data can further delineate this subject.

Long-term follow up of metastatic melanoma patients treated with Thymosin alpha-1: investigating immune checkpoints synergy

2018 ◽  
Vol 18 (sup1) ◽  
pp. 77-83 ◽  
Author(s):  
Riccardo Danielli ◽  
Filomena Cisternino ◽  
Diana Giannarelli ◽  
Luana Calabrò ◽  
Roberto Camerini ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Immune Checkpoints ◽  
Long Term Follow Up ◽  
Thymosin Alpha 1 ◽  
Melanoma Patients

Blood mRNA signature to predict survival in patients with metastatic melanoma treated with tremelimumab.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. 9080-9080 ◽  
Author(s):  
Yvonne M. Saenger ◽  
Jay Magidson ◽  
Bobby Chi-Hung Liaw ◽  
Karl Wassmann ◽  
William Barker ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Risk Score ◽  
Peripheral Blood ◽  
Validation Cohort ◽  
Risk Groups ◽  
Phase Iii ◽  
Gene Model ◽  
Training Cohort ◽  
Melanoma Patients

9080 Background: Tremelimumab (Ticilimumumab, Pfizer), a monoclonal antibody targeting CTLA-4, a T cell inhibitory molecule, has shown activity in metastatic melanoma. Ipilimumab (Yervoy, BMS), another antibody targettingCTLA-4, improves survival relative to a peptide vaccine and is now FDA approved. A minority of patients will achieve durable tumor control with CTLA-4 blockade and biomarkers are urgently needed to identify those patients. Methods: 170 inflammatory, melanoma-specific and CTLA4-pathway related mRNA transcripts were measured using RT-PCR in pre-treatment peripheral blood samples from 218 patients with refractory melanoma receiving tremelimumab in a multi-center phase II study. A 2-class latent model yielded a risk score based on 4-genes that was highly predictive of survival (p<0.001), and was used to categorize patients into low, medium and high-risk groups. An independent cohort of 260 treatment naïve melanoma patients receiving tremelimumab as part of a multi-center phase III study was then used to validate the risk score as well as the 3 risk groups defined using the pre-specified cut-points. Results: There was no significant difference between the two cohorts in terms of age, gender, stage of disease or ECOG status. Median time of follow up was 297 days for the training cohort and 386 days for the validation cohort. 67% of patients in the training cohort and 70% of patients in the validation died during time of follow-up. Collectively, the ability of the 170 genes to predict survival exhibited a high degree of consistency across the cohorts (p < 0.001). A 4-gene model including cathepsin D (CTSD), Phopholipase A2 group VII (PLA2G7), Thioredoxin reductase 1 (TXNRD-1) and Interleukin 1 receptor associated kinase 3 (IRAK3) predicted survival in the validation cohort (p=0.001 by log rank test). Multivariable cox analysis showed that the 4-gene model added to the predictive value of clinical predictors (p<0.0001). Conclusions: Expression levels of CTSD, PLA2G7, TXNRD1, and IRAK3 in peripheral blood are predictive of survival in melanoma patients treated with ticilimumab (αCTLA-4). Blood mRNA signatures should be further explored to define patient subsets likely to benefit from immunotherapy.

Pembrolizumab therapy for microsatellite instability high (MSI-H) colorectal cancer (CRC) and non-CRC.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 3071-3071 ◽  
Author(s):  
Luis A. Diaz ◽  
Aurelien Marabelle ◽  
Jean-Pierre Delord ◽  
Ronnie Shapira-Frommer ◽  
Ravit Geva ◽  
...  
Keyword(s):  
Microsatellite Instability ◽  
Prior Therapy ◽  
Early Results ◽  
Duration Of Response ◽  
Heavily Pretreated ◽  
Independent Review ◽  
Secondary Endpoints ◽  
Small Intestinal Cancer ◽  
Tumor Types

3071 Background: Mismatch repair deficient cancers harbor high levels of microsatellite instability and somatic mutations. Treatment with anti-PD-1 antibodies has resulted in durable objective responses in MSI-H cancer. As part of the ongoing, global, multicenter phase 2 studies KEYNOTE(KN)164 and KN158, we assessed the efficacy of pembrolizumab in patients (pts) with MSI-H tumors. Methods: Both studies enrolled pts with MSI-H status determined locally by IHC or PCR. KN164 enrolled pts with MSI-H CRC and ≥2 prior therapies, whereas the multicohortKN158 study included pts with MSI-H non-CRC and ≥1 prior therapy. Eligible pts in both studies received pembrolizumab 200 mg Q3W until progression, unacceptable toxicity, or pt/investigator decision. Tumor response was assessed every 9 wk by independent review per RECIST v1.1. Primary endpoint was ORR. Secondary endpoints included DOR, PFS, OS, and safety. Analyses were performed in pts from KN164 and KN158 who had ≥27 wk of follow-up as of Aug 3, 2016 and Oct 19, 2016, respectively. Results: KN164 enrolled 61 pts with MSI-H CRC (90% with ≥2 prior therapies) whereas KN158 included 21 pts with MSI-H non-CRC (42% with ≥2 prior therapies). In KN158 the most common tumor types were endometrial and small intestinal cancer (n = 4 each), cholangiocarcinoma (n = 3), and gastric and pancreatic cancer (n = 2 each). Median follow-up was 7.4 mo for MSI-H CRC and 4.5 mo for MSI-H non-CRC. ORR for MSI-H CRC was 26.2% (95% CI, 15.8%-39.1%), with 15 confirmed responses and 1 unconfirmed response, and ORR for MSI-H non-CRC was 42.9% (21.8%-66.0%), with 8 confirmed responses and 1 unconfirmed response. DCR was 50.8% (n = 31; 37.7%-63.9%) for MSI-H CRC and 66.7% (n = 14; 38.4%-83.7%) for MSI-H non-CRC. Median duration of response was not reached for either MSI-H CRC or non-CRC, and 100% of responses were ongoing. Survival and safety analyses are ongoing. Conclusions: Early results from KN164 and KN158 confirm the robust antitumor activity of pembrolizumab in heavily pretreated pts with MSI-H cancers. Clinical trial information: NCT02628067; NCT02460198.

A randomized phase II study of vemurafenib plus cobimetinib continuous versus intermittent in previously untreated BRAF V600-mutation positive patients with unresectable locally advanced or metastatic melanoma.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. TPS9599-TPS9599 ◽  
Author(s):  
Jose A. Lopez-Martin ◽  
Alfonso Berrocal ◽  
María González-Cao
Keyword(s):  
Metastatic Melanoma ◽  
Phase Ii ◽  
Phase Ii Study ◽  
Mapk Pathway ◽  
Locally Advanced ◽  
Advanced Melanoma ◽  
Drug Resistant ◽  
Randomized Phase Ii ◽  
Melanoma Patients ◽  
Resistant Cells

TPS9599 Background: Previous clinical trials have shown that vemurafenib significantly increases PFS and OS in untreated BRAFV600 mutant advanced melanoma patients. Nevertheless, disease progression occurs after a median of 6-7 months since start of vemurafenib. Several mechanisms of acquired resistance to vemurafenib result in reactivation of MAPK pathway. Upfront addition of a MEK inhibitor (MEKi) to vemurafenib delays secondary resistance to BRAFi. The combination of cobimetinib, a MEKi, plus vemurafenib as a continuous administration was approved by FDA in 2,015 in untreated metastatic BRAFV600 advanced melanoma patients based on an increase in PFS and OS achieved in a phase III trial (coBRIM trial). Preclinical models have shown that continuous vemurafenib dosing promotes the clonal expansion of drug-resistant cells, and intermittent dosing could serve to eliminate the fitness advantage of the resistant cells and delay the onset of drug-resistant disease (Das Thakur, Nature 2013). These observations and some clinical case reports support upfront evaluation of alternative dosing regimens of MAPK pathway inhibition. Methods: This is a randomized phase II study to explore the efficacy and safety of two schedules of administration of vemurafenib in combination with cobimetinib (continuous – 28-day cycles with vemurafenib 960 mg PO BID, Days 1-28, and cobimetinib 60 mg PO QD, Days 1-21 – and intermittent – same dose/schedule during first 12 weeks, and then, same doses with the following schedule: vemurafenib 4 weeks on /2 weeks off, and cobimetinib 3 weeks on/ 3 weeks off), in patients with untreated, BRAFV600 mutated, unresectable, measurable (RECIST 1.1), locally advanced or metastatic melanoma. Prior adjuvant immunotherapy is allowed. Primary endpoint is PFS. Secondary endpoints include: OS, ORR, pharmacokinetic and pharmacodynamic profiles and safety. Additional translational research to analyze predictive factors and mechanism of resistance will be explored. The trial is in progress; 56 of up to 116 planned pts have been recruited at the end of December 2016 (enrollment started in June 2015). Clinical trial information: NCT02583516.

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