Inflammatory Markers Predict Survival in Patients With Advanced Gastric and Colorectal Cancers Receiving Anti–PD-1 Therapy

There is a lack of useful biomarkers for predicting the efficacy of anti–programmed death-1 (PD-1) therapy for advanced gastric and colorectal cancer. To address this issue, in this study we investigated the correlation between inflammatory marker expression and survival in patients with advanced gastric and colorectal cancer. Data for 111 patients with advanced gastric and colorectal cancer treated with anti–PD-1 regimens were retrospectively analyzed. Neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), platelet-to-lymphocyte ratio (PLR), and clinical characteristics of each patient were selected as the main variables. Overall response rate, disease control rate, and progression-free survival were primary endpoints, and overall survival and immune-related adverse events (irAEs) were secondary endpoints. The chi-squared test and Fisher’s exact test were used to evaluate relationships between categorical variables. Uni- and multivariate Cox regression analyses were performed, and median progression-free survival and overall survival were estimated with the Kaplan–Meier method. The overall response rate and disease control rate of anti–PD-1therapy in advanced gastric and colorectal tumors were 12.61 and 66.66%, respectively. The patients with MLR < 0.31, NLR < 5, and PLR < 135 had a significantly higher disease control rate than those with MLR > 0.31, NLR > 5, and PLR > 135 (P < 0.05). The multivariate analysis revealed that MLR < 0.31, BMI > 18.5, and anti–PD-1 therapy in first-line were associated with prolonged PFS. MLR < 0.31 and BMI > 18.5 were associated with prolonged overall survival. The irAE rate differed significantly between PLR groups, and PLR < 135 was associated with an increased rate of irAEs (P = 0.028). These results indicate that the inflammatory markers NLR, MLR, and PLR have clinical utility for predicting survival or risk of irAEs in patients with advanced gastric cancer and colorectal cancer.

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Apatinib monotherapy for chemotherapy-refractory metastatic colorectal cancer: A multicenter, single-arm, prospective study.

Journal of Clinical Oncology ◽

10.1200/jco.2019.37.15_suppl.3527 ◽

2019 ◽

Vol 37 (15_suppl) ◽

pp. 3527-3527 ◽

Cited By ~ 1

Author(s):

Fen Wang ◽

Shubin Wang ◽

Xia Yuan ◽

Jun Jia ◽

Xiaoxia Bi ◽

...

Keyword(s):

Colorectal Cancer ◽

Overall Survival ◽

Prospective Study ◽

Disease Control ◽

Metastatic Colorectal Cancer ◽

Response Rate ◽

Objective Response ◽

Progression Free Survival ◽

Disease Control Rate ◽

Free Survival

3527 Background: Apatinib is an oral highly-selective tyrosine kinase inhibitor (TKI) that blocks vascular endothelial growth factor receptor 2 (VEGFR-2). This exploratory study evaluated the efficacy and safety of apatinib monotherapy in patients with chemotherapy-refractory metastatic colorectal cancer. Methods: In this multicenter, single-arm, prospective study, 48 patients with metastatic colorectal cancer who had failed at least two lines standard chemotherapies including fluorouracil, oxaliplatin and irinotecan were recruited from 14 centers in Guangdong, China. Apatinib at a 500mg dose was administered daily continuously. Each cycle was 4 weeks (28 days). The primary endpoint was progression free survival (PFS). Secondary end points included overall survival (OS), objective response rate (ORR), disease control rate (DCR), quality of life (QoL) and toxicity. Results: A total of 48 patients was enrolled in the study from September 3, 2015 to June9, 2017. Four patients achieved a partial response, and 22 achieved stable disease, representing a response rate of 8.3% and a disease control rate of 60.4%. Median follow-up time was 10.3 months. Median progression-free survival (PFS) and overall survival (OS) of evaluable patients (n=41) were 4.7 months (95% confidence interval [CI] 3.7-5.9) and 9.7 months (95% CI 5.9-13.6). The most common grade 3 or 4 adverse events (AE) were hypertension (12.5%), hand-foot syndrome (10.4%), thrombocytopenia (10.4%), proteinuria (8.3%) and mucositis oral (6.3%). Conclusions: Apatinib monotherapy shows promising efficacy and manageable toxicities in patients with chemotherapy-refractory metastatic colorectal cancer. Further phase 3 trial is warranted. Clinical trial information: ChiCTR1900020503.

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A phase II trial of trastuzumab combined with irinotecan in patients with advanced HER2-positive chemo-refractory gastric cancer: OGSG1203 (HERBIS-5).

Journal of Clinical Oncology ◽

10.1200/jco.2016.34.4_suppl.128 ◽

2016 ◽

Vol 34 (4_suppl) ◽

pp. 128-128 ◽

Cited By ~ 2

Author(s):

Kazuhiro Nishikawa ◽

Daisuke Sakai ◽

Junji Kawada ◽

Ryohei Kawabata ◽

Tomono Kawase ◽

...

Keyword(s):

Gastric Cancer ◽

Overall Survival ◽

Disease Control ◽

Intravenous Infusion ◽

Response Rate ◽

Progression Free Survival ◽

Disease Control Rate ◽

Efficacy And Safety ◽

Her2 Positive ◽

Free Survival

128 Background: Irinotecan is a key drug in second- or further-line chemotherapy for patients with advanced gastric cancer. Continuous administration of trastuzumab beyond first progression is expected to contribute to the benefit of chemotherapy for HER2-positive gastric cancer. We assessed the efficacy and safety of combination chemotherapy with trastuzumab and irinotecan in Japanese patients with advanced HER2-positive chemo-refractory gastric cancer. Methods: Intravenous infusion of irinotecan every 2 weeks at a dose of 150 mg/m2; intravenous infusion of trastuzumab at a dose of 8 mg/kg on day 1 of the first cycle, followed by 6 mg/kg every 3 weeks. Administration of irinotecan and trastuzumab were repeated in independent schedules. The primary endpoint was disease control rate. The secondary endpoints were adverse events, response rate, time-to-treatment failure, progression-free survival, overall survival, and response rate stratified by prior trastuzumab use. This study was conducted by the Osaka Gastrointestinal Cancer Chemotherapy Study Group (OGSG). Results: From October 2012 to Augst 2014, 30 patients were enrolled and one patient withdrew before study treatment. Accordingly, 29 patients were assessable for efficacy and safety. The disease control rate was 65.5% [95% C.I. 45.7 - 82.1%], and the response rate was 20.7% [95% C.I. 8.0 - 39.7%]. The median progression free survival and the median overall survival were 3.7 and 7.5 months, respectively. The major grade 3/4 toxic effects were neutropenia (24%); anemia (24%); leucopenia (21%); anorexia (11%); fatigue (14%); hypoalbuminemia (24%); and hypokalemia (14%). One death (NOS) was considered to be related to the study. Conclusions: The results of combination Trastuzumab with irinotecan showed feasible and promising efficacy against advanced HER2-positive chemo-refractory gastric cancer. These findings indicated that trastuzumab continuation use might be beneficial. Clinical trial information: 000008626.

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The impact of dose reduction and time delay in irinotecan- and oxaliplatin-based chemotherapies on outcomes in metastatic colorectal cancer.

Journal of Clinical Oncology ◽

10.1200/jco.2014.32.3_suppl.631 ◽

2014 ◽

Vol 32 (3_suppl) ◽

pp. 631-631

Author(s):

Naoki Mashita ◽

Goro Nakayama ◽

Naomi Hayashi ◽

Chie Tanaka ◽

Daisuke Kobayashi ◽

...

Keyword(s):

Colorectal Cancer ◽

Time Delay ◽

Disease Control ◽

Metastatic Colorectal Cancer ◽

Total Dose ◽

Dose Reduction ◽

Response Rate ◽

Progression Free Survival ◽

Disease Control Rate ◽

Free Survival

631 Background: This study was designed to evaluate the influence of dose reduction and schedule modification on outcomes in patients with metastatic colorectal cancer (mCRC). Methods: Pooled datasets from two previous phase II trials of FOLFIRI (CCOG-0502; n = 36) and mFOLFOX6 (CCOG-0704; n = 30) in patients with mCRC were analyzed retrospectively. The RDIs of irinotecan and oxaliplatin were compared to response rate (RR), disease control rate (DCR), progression-free survival (PFS) and overall survival (OS). To assess the effects of dose reduction and time delay, we defined ‘dose index (DI)’ as the ratio of the actual delivered total dose to the planned total dose and ‘time index (TI)’ as the ratio of the planned duration to the actual duration of therapy. Relative dose intensity (RDI) was computed by multiplying DI by TI. DI and TI of irinotecan and oxaliplatin were compared to response rate (RR), disease control rate (DCR) and progression-free survival (PFS). Results: In patients receiving FOLFIRI therapy, the median DI and TI of irinotecan were 0.92 and 0.90, respectively. RRs were 59% vs. 12% in the higher vs. lower DI groups (p < 0.01), and 35% vs. 35% in the higher vs. lower TI groups (p = 1.00), respectively. Median PFS was 10.2 vs. 5.0 months in the higher vs. lower DI groups (p < 0.01), and 6.1 vs. 6.7 months in the higher vs. lower TI groups (p = 0.48), respectively. In mFOLFOX6 therapy, the median DI and TI of oxaliplatin were 0.97 and 0.82, respectively. RRs were 44% vs. 36% in the higher vs. lower DI groups (p = 0.65), and 44% vs. 36% in the higher vs. lower TI groups (p = 0.65), respectively. Median PFS was 7.7 vs. 6.7 months in the higher vs. lower DI groups (p = 0.13), and 8.5 vs. 5.9 months in the higher vs. lower TI groups (p = 0.02), respectively. Multivariate analyses showed that DI of irinotecan (HR 8.48; 95% CI, 2.94-24.51, p < 0.01) and TI of oxaliplatin (HR 2.74; 95% CI, 1.02-7.33, p = 0.04) were the independent prognostic factors for PFS. Conclusions: Dose reductions in irinotecan and time delays in oxaliplatin could have significant impact on PFS in patients receiving FOLFIRI and FOLFOX6, respectively.

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Strahlentherapie bei Chemotherapie-refraktärem rezidivierendem Ovarialkarzinom

Karger Kompass Onkologie ◽

10.1159/000377664 ◽

2015 ◽

Vol 2 (1) ◽

pp. 30-31

Keyword(s):

Overall Survival ◽

Disease Control ◽

Response Rate ◽

Progression Free Survival ◽

Disease Control Rate ◽

Palliative Behandlung ◽

Unerwünschte Ereignisse ◽

Free Survival ◽

Schwerwiegende Unerwünschte Ereignisse

Ziele: Die Strahlentherapie ist als palliative Behandlung bei rezidivierendem Ovarialkarzinom gebräuchlich, jedoch wurde bisher nicht geklärt, ob sie die Prognose verbessert.Methoden: Die Wirkung einer Strahlentherapie und die damit einhergehenden unerwünschten Ereignisse bei Patientinnen mit rezidivierendem Ovarialkarzinom wurden anhand deren Patientenakten untersucht.Ergebnisse: Hierbei wurden 46 Patientinnen betrachtet: 33 Patientinnen, deren rezidivierende Läsionen auf das Bestrahlungsfeld begrenzt waren (therapeutische Bestrahlungsgruppe; TBG), und 13 Patientinnen, bei denen die rezidivierenden Läsionen zum Teil außerhalb des Bestrahlungsfelds lagen (palliative Bestrahlungsgruppe; PBG). In der TBG betrug die Ansprechrate (response rate; RR) 66%, die Rate der Krankheitsbeherrschung (disease control rate; DCR) 100%, das progressionsfreie Überleben (progression-free survival; PFS) 10 Monate und das Gesamtüberleben (overall survival; OS) 20 Monate. Das PFS nach Bestrahlung war signifikant länger als nach Bestrahlung mit unmittelbar vorausgehender Chemotherapie. Das PFS der Patientinnen mit Rezidivläsionen innerhalb des Beckens war länger als bei den Patientinnen, deren Läsionen zum Teil außerhalb des Beckens lagen. Zwischen dem PFS nach Strahlentherapie und der Dauer seit der vorhergehenden Chemotherapie oder dem histologischen Typ bestand kein signifikanter Zusammenhang. In der PBG lagen die RR bei 30%, die DCR bei 90%, das PFS bei 2 Monaten und das OS bei 6 Monaten. Schwerwiegende unerwünschte Ereignisse traten selten auf.Schlussfolgerungen: Bestrahlung ist eine mögliche Option bei Chemotherapie-refraktärem, lokal begrenztem rezidivierendem Ovarialkarzinom.Übersetzung aus Oncology 2014;86:232-238 (DOI: 10.1159/000357269)

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Binimetinib, Encorafenib, and Cetuximab Triplet Therapy for Patients With BRAF V600E–Mutant Metastatic Colorectal Cancer: Safety Lead-In Results From the Phase III BEACON Colorectal Cancer Study

Journal of Clinical Oncology ◽

10.1200/jco.18.02459 ◽

2019 ◽

Vol 37 (17) ◽

pp. 1460-1469 ◽

Cited By ~ 68

Author(s):

Eric Van Cutsem ◽

Sanne Huijberts ◽

Axel Grothey ◽

Rona Yaeger ◽

Pieter-Jan Cuyle ◽

...

Keyword(s):

Colorectal Cancer ◽

Overall Survival ◽

Metastatic Colorectal Cancer ◽

Overall Response Rate ◽

Response Rate ◽

Progression Free Survival ◽

Braf V600e ◽

Phase Iii ◽

Cancer Trial ◽

Free Survival

PURPOSE To determine the safety and preliminary efficacy of selective combination targeted therapy for BRAF V600E–mutant metastatic colorectal cancer (mCRC) in the safety lead-in phase of the open-label, randomized, three-arm, phase III BEACON Colorectal Cancer trial ( ClinicalTrials.gov identifier: NCT02928224; European Union Clinical Trials Register identifier: EudraCT2015-005805-35). PATIENTS AND METHODS Before initiation of the randomized portion of the BEACON Colorectal Cancer trial, 30 patients with BRAF V600E–mutant mCRC who had experienced treatment failure with one or two prior regimens were to be recruited to a safety lead-in of encorafenib 300 mg daily, binimetinib 45 mg twice daily, plus standard weekly cetuximab. The primary end point was safety, including the incidence of dose-limiting toxicities. Efficacy end points included overall response rate, progression-free survival, and overall survival. RESULTS Among the 30 treated patients, dose-limiting toxicities occurred in five patients and included serous retinopathy (n = 2), reversible decreased left ventricular ejection fraction (n = 1), and cetuximab-related infusion reactions (n = 2). The most common grade 3 or 4 adverse events were fatigue (13%), anemia (10%), increased creatine phosphokinase (10%), increased AST (10%), and urinary tract infections (10%). In 29 patients with BRAF V600E–mutant tumors (one patient had a non– BRAF V600E–mutant tumor and was not included in the efficacy analysis), the confirmed overall response rate was 48% (95% CI, 29.4% to 67.5%), median progression-free survival was 8.0 months (95% CI, 5.6 to 9.3 months), and median overall survival was 15.3 months (95% CI, 9.6 months to not reached), with median duration of follow-up of 18.2 months (range, 16.6 to 19.8 months). CONCLUSION In the safety lead-in, the safety and tolerability of the encorafenib, binimetinib, and cetuximab regimen is manageable and acceptable for initiation of the randomized portion of the study. The observed efficacy is promising compared with available therapies and, if confirmed in the randomized portion of the trial, could establish this regimen as a new standard of care for previously treated BRAF V600E–mutant mCRC.

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Phase II study of lenvatinib for metastatic colorectal cancer refractory to standard chemotherapy: the LEMON study (NCCH1503)

ESMO Open ◽

10.1136/esmoopen-2020-000776 ◽

2020 ◽

Vol 5 (4) ◽

pp. e000776 ◽

Cited By ~ 1

Author(s):

Satoru Iwasa ◽

Natsuko Okita ◽

Aya Kuchiba ◽

Gakuto Ogawa ◽

Mamiko Kawasaki ◽

...

Keyword(s):

Colorectal Cancer ◽

Overall Survival ◽

Growth Factor ◽

Disease Control ◽

Metastatic Colorectal Cancer ◽

Growth Factor Receptor ◽

Progression Free Survival ◽

Disease Control Rate ◽

Vegf Receptor ◽

Free Survival

BackgroundLenvatinib inhibits tyrosine kinases, including vascular endothelial growth factor (VEGF) receptor, fibroblast growth factor receptor, platelet-derived growth factor receptor alpha, RET proto-oncogene and KIT proto-oncogene, receptor tyrosine kinase. We assessed the efficacy and safety of lenvatinib in patients with metastatic colorectal cancer after failure of standard chemotherapies.Patients and methodsThis was an open-label, single centre, single-arm, phase 2 study. Eligible patients had unresectable metastatic colorectal adenocarcinoma, refractory or intolerant to fluoropyrimidine, irinotecan, oxaliplatin, trifluridine/tipiracil, anti-VEGF therapy and anti-epidermal growth factor receptor therapy (for tumours with wild-type RAS). Patients were treated with oral lenvatinib at 24 mg one time a day in 28-day cycles until disease progression or unacceptable toxicity. The primary endpoint was centrally assessed disease control rate. Secondary endpoints included safety, response rate, progression-free survival and overall survival. The planned sample size was 30 patients to expect a disease control rate of 60% with a threshold disease control rate of 35%, one-sided alpha of 5% and power of 80%ResultsBetween 24 October 2016 and 23 January 2018, 30 patients were enrolled; 11 (37%) and 19 (63%) had received 3 or ≥4 lines of prior chemotherapy for metastatic disease, respectively. The median number of lenvatinib cycles was 4 (range 1–13). The centrally assessed disease control rate was 70.0% (21/30, 90% CI 53.5% to 83.4%, one-sided p=0.0001); 2 patients had a partial response and 19 had a stable disease. Median progression-free survival was 3.6 months (95% CI 2.6 to 3.7). Median overall survival was 7.4 months (95% CI 6.4 to 10.8). The most common grade ≥3 adverse events were hypertension (53%), thrombocytopenia (10%), increased alanine aminotransferase and anorexia (7% each).ConclusionsLenvatinib showed promising clinical activity and was tolerated in patients with metastatic colorectal cancer after failure of standard chemotherapies.Trial registration numberUMIN-CTR, UMIN000023446 and JAMCCT-CTR, JMA-IIA00261.

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Efficacy of bevacizumab and temozolomide therapy in locally advanced, recurrent, and metastatic malignant solitary fibrous tumour: A population-based analysis

Journal of Oncology Pharmacy Practice ◽

10.1177/1078155218784760 ◽

2018 ◽

Vol 25 (6) ◽

pp. 1301-1304 ◽

Cited By ~ 3

Author(s):

Mário L de Lemos ◽

Isabell Kang ◽

Kimberly Schaff

Keyword(s):

Overall Survival ◽

Overall Response Rate ◽

Response Rate ◽

Locally Advanced ◽

Case Series ◽

Progression Free Survival ◽

Population Based ◽

Solitary Fibrous Tumour ◽

Free Survival ◽

Overall Response

Background Patients with locally advanced, recurrent or metastatic solitary fibrous tumour are often treated with bevacizumab and temozolomide based on the clinical efficacy reported in a case series of 14 patients. Given the rarity of solitary fibrous tumour, large trials are not feasible. We report the efficacy of this regimen based on a population-based analysis. Methods This was a population-based retrospective, multi-centre analysis using patient data from a provincial cancer registry and treatment database. Cases from June 2006 through October 2016 were identified for patients receiving bevacizumab and temozolomide for locally advanced, recurrent or metastatic solitary fibrous tumour or hemangiopericytoma, which is sometimes used to describe tumours arising from the meninges. The primary outcome was overall response rate. Secondary outcomes included time to response, progression free survival and overall survival estimated using the Kaplan–Meier method. Results Fourteen patients were identified: median age 59 (range 44–70), male 78.6%. Diagnoses were solitary fibrous tumour in 10 (71.4%) and hemangiopericytoma in four (28.6%), with metastatic disease in 10 (72.7%) patients. The most common primary sites were meninges in four (28.6%) and pelvis in three (21.4%) patients. The median follow-up was 15.5 months, with median treatment of four months. Overall response rate was 21.4% (no complete response, 3 partial response), with median time to response of four months. Median progression free survival, six-month progression free survival and overall survival were 17 months, 65.0%, and 45 months, respectively. Conclusions Efficacy of bevacizumab and temozolomide in solitary fibrous tumour appeared to be similar to that previously reported. Our findings confirmed that bevacizumab and temozolomide is an effective and tolerated treatment for this patient population.

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Melflufen and Dexamethasone in Heavily Pretreated Relapsed and Refractory Multiple Myeloma

Journal of Clinical Oncology ◽

10.1200/jco.20.02259 ◽

2020 ◽

pp. JCO.20.02259

Author(s):

Paul G. Richardson ◽

Albert Oriol ◽

Alessandra Larocca ◽

Joan Bladé ◽

Michele Cavo ◽

...

Keyword(s):

Multiple Myeloma ◽

Overall Survival ◽

Overall Response Rate ◽

Response Rate ◽

Progression Free Survival ◽

Free Survival ◽

Duration Of Response ◽

Heavily Pretreated ◽

Grade 3

PURPOSE Melphalan flufenamide (melflufen) is a first-in-class peptide-drug conjugate that targets aminopeptidases and rapidly and selectively releases alkylating agents into tumor cells. The phase II HORIZON trial evaluated the efficacy of melflufen plus dexamethasone in relapsed and refractory multiple myeloma (RRMM), a population with an important unmet medical need. PATIENTS AND METHODS Patients with RRMM refractory to pomalidomide and/or an anti-CD38 monoclonal antibody received melflufen 40 mg intravenously on day 1 of each 28-day cycle plus once weekly oral dexamethasone at a dose of 40 mg (20 mg in patients older than 75 years). The primary end point was overall response rate (partial response or better) assessed by the investigator and confirmed by independent review. Secondary end points included duration of response, progression-free survival, overall survival, and safety. The primary analysis is complete with long-term follow-up ongoing. RESULTS Of 157 patients (median age 65 years; median five prior lines of therapy) enrolled and treated, 119 patients (76%) had triple-class–refractory disease, 55 (35%) had extramedullary disease, and 92 (59%) were refractory to previous alkylator therapy. The overall response rate was 29% in the all-treated population, with 26% in the triple-class–refractory population. In the all-treated population, median duration of response was 5.5 months, median progression-free survival was 4.2 months, and median overall survival was 11.6 months at a median follow-up of 14 months. Grade ≥ 3 treatment-emergent adverse events occurred in 96% of patients, most commonly neutropenia (79%), thrombocytopenia (76%), and anemia (43%). Pneumonia (10%) was the most common grade 3/4 nonhematologic event. Thrombocytopenia and bleeding (both grade 3/4 but fully reversible) occurred concomitantly in four patients. GI events, reported in 97 patients (62%), were predominantly grade 1/2 (93%); none were grade 4. CONCLUSION Melflufen plus dexamethasone showed clinically meaningful efficacy and a manageable safety profile in patients with heavily pretreated RRMM, including those with triple-class–refractory and extramedullary disease.

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Effect of the addition of bevacizumab to first-line FOLFOX on efficacy, including response rate, progression-free survival, and overall survival, in patients with metastatic colorectal cancer.

Journal of Clinical Oncology ◽

10.1200/jco.2011.29.4_suppl.588 ◽

2011 ◽

Vol 29 (4_suppl) ◽

pp. 588-588

Author(s):

M. Suenaga ◽

N. Mizunuma ◽

S. Matsusaka ◽

E. Shinozaki ◽

M. Ogura ◽

...

Keyword(s):

Colorectal Cancer ◽

Overall Survival ◽

Metastatic Colorectal Cancer ◽

Survival Benefit ◽

Response Rate ◽

Progression Free Survival ◽

Line Treatment ◽

First Line ◽

Free Survival ◽

First Line Treatment

588 Background: Bevacizumab (BV) is a recombinant, humanized monoclonal antibody against vascular endothelial growth factor. Used in combination with chemotherapy, BV has been shown to improve survival in both first- and second-line treatment for metastatic colorectal cancer (mCRC). However, it was reported that addition of BV to FOLFOX conferred only little survival benefit (Saltz et al. JCO2008). The aim of this study was to assess the efficacy of addition of BV to FOLFOX in first-line treatment for patients with mCRC. Methods: Bevacizumab was approved for mCRC in July 2007 in Japan. This study was conducted at a single institution and comprised 217 consecutive patients receiving first-line treatment for mCRC between 2005 and 2009. The primary objective was to compare survival benefit in patients treated with FOLFOX4 (FF) between 2005 and 2007 with that in patients receiving FOLFOX4+BV 5 mg/kg (FF+BV) between 2007 and 2009. Results: Total number of patients in the FF and FF+BV groups was 132 and 85, respectively. Characteristics of patients were as follows (FF vs. FF+B): median age, 62 yrs (range 28-76 yrs) vs. 60 yrs (range16-74 yrs); ECOG PS0, 98.8% vs. 81.8%; and median follow-up time, 20.8 months vs. 24.4 months. Median progression-free survival (PFS) in the FF and FF+BV groups was 10 months (95% CI, 8.7-11.3) and 17 months (95% CI, 10.2-14.1), while median overall survival (OS) was 21 months (95% CI, 17.9-24.1) and not reached, respectively. Response rate was 46% (95% CI, 37- 54) in FF, and 62% (95% CI, 51-73) in FF+BV. Addition of BV to FOLFOX4 significantly improved PFS (p=0.002) and OS (p<0.001). Conclusions: The additive effect of BV for first-line FOLFOX was reconfirmed. These data indicate potential survival benefits from the addition of BV to FOLFOX in first-line treatment of mCRC. In addition, PFS may be a sensitive indicator of outcome prior to post-treatment. No significant financial relationships to disclose.

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Phase II trial of cisplatin, gemcitabine and pembrolizumab for platinum-resistant ovarian cancer

PLoS ONE ◽

10.1371/journal.pone.0252665 ◽

2021 ◽

Vol 16 (6) ◽

pp. e0252665

Author(s):

Christine S. Walsh ◽

Mitchell Kamrava ◽

Andre Rogatko ◽

Sungjin Kim ◽

Andrew Li ◽

...

Keyword(s):

Ovarian Cancer ◽

Overall Survival ◽

Interim Analysis ◽

Overall Response Rate ◽

Response Rate ◽

Progression Free Survival ◽

Time To Progression ◽

Free Survival ◽

Platinum Resistant ◽

Duration Of Response

Objective To evaluate the combination of pembrolizumab, cisplatin and gemcitabine in recurrent platinum-resistant ovarian cancer. Methods Patients received six cycles of chemotherapy with gemcitabine and cisplatin on day 1 and day 8 of a 21-day treatment cycle. Pembrolizumab was administered on day 1 of cycles 3–6 and as maintenance monotherapy in cycles 7–34. Palliative radiation to a non-target symptomatic lesion was allowed. The primary objective was overall response rate by RECIST 1.1 criteria. Secondary objectives included safety, progression-free survival, time to progression, duration of response and overall survival. Results An interim analysis for futility was performed at 18 evaluable patients. Overall response rate was 60%, duration of response was 4.9 months and time to progression was 5.2 months. Progression-free survival at 6 and 12 months was 43% and 5%. Median progression-free survival was 6.2 months and median overall survival was 11.3 months. In all patients, CA125 levels reflected response and progression. There were no pseudoprogression events. After receiving palliative radiation during pembrolizumab maintenance, a patient with recurrent ovarian clear cell carcinoma had an exceptional and durable response that is ongoing for greater than 2 years. After consultation with the sponsor, based on the modest duration of response observed at the interim analysis for futility, the decision was made to close the trial to further accrual. Conclusions The addition of pembrolizumab to cisplatin and gemcitabine did not appear to provide benefit beyond chemotherapy alone in patients with recurrent platinum-resistant ovarian cancer.

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