Second-line therapy in pancreatic ductal adenocarcinoma (PDAC) patients with germline BRCA1-2 pathogenic variants (gBRCA1-2pv).

BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) harbouring germline BRCA1-2 pathogenic variants (gBRCA1-2pv) is a distinct nosological entity. Information on second-line therapy (2LT) outcome in this setting is lacking. METHODS: Data of gBRCA1-2pv metastatic PDAC patients treated with chemotherapy were collected. A primary analysis of 2LT RECIST response, median progression-free survival (mPFS2) and overall survival (mOS2), was performed. A secondary analysis addressed the impact of timing of platinum introduction on the outcome of patients receiving at least a first-line combination chemotherapy (1LT). RESULTS: Eighty-four gBRCA1-2pv metastatic PDAC patients were enrolled. The primary analysis, including 43 patients, highlighted a significant improvement of mPFS2 and a doubled response rate, in the platinum-based 2LT subgroup as compared to the platinum-free (8.8 versus 3.7 months, p = 0.013). Seventy-seven patients were included in the secondary analysis. Median PFS1 of 3- and 4-drug platinum-based 1LT significantly outperformed both platinum-free combinations and platinum-based doublets (11.4 versus 6.4 versus 7.9 months, p = 0.01). Albeit still immature, data on mOS paralleled those on mPFS. CONCLUSIONS: This study highlighted the beneficial role of platinum agents in gBRCA1-2pv PDAC patients also in second-line treatment setting. However, our data suggest that early use of 3- and 4-drug platinum-based chemotherapy combinations provides a survival outcome advantage.

Pattern of progression of intrahepatic cholangiocarcinoma: Implications for second-line clinical trials.

BACKGROUND: Intrahepatic cholangiocarcinoma (iCCA) is the second most frequent liver cancer. The overall survival of iCCA and other biliary tract cancers (BTC) remains poor. Recently, the ABC-06 trial reported the superiority of FOLFOX vs clinical observation as a second-line treatment. Still, the survival benefit was less than expected. We hypothesized that the pattern of progression of iCCA can drive post-progression survival (PPS), similar to hepatocellular carcinoma. METHODS: Multicentre retrospective evaluation of consecutive iCCA patients who progressed after frontline systemic treatment with gemcitabine as monotherapy or in combination with platinum. Radiological assessment of progression was evaluated according to RECIST 1.1. The progression pattern was divided according to the presence/absence of new extrahepatic lesions (NEH). RESULTS: We included 206 patients from 5 centres. The median OS was 14.1 months and its independent predictors (hazard ratio [HR], 95% confidence interval [CI]) were previous surgery 0.699 [0.509-0.961], performance status >2.445 [1.788-3.344], permanent first-line discontinuation 16.072 [5.102-50.633], registration of ascites 2.226 [1.448-3.420] or bilirubin >3 mg/dl 3.004 [1.935-4.664] during the follow-up, and disease progression 2.523 [1.261-5.050]. The appearance of NEH independently predicted OS 2.18 [1.55-3.06] in patients with radiological progression. Amongst 138 patients eligible for second-line treatment, PPS was 16.8 and 5.9 months in cases without and with NEH, respectively (P = .001). Progression owing to NEH lesions was an independent predictor of PPS 1.873 [1.333-2.662], together with performance status, time to progression to the frontline treatment, bilirubin >3 mg/dl and ascites. CONCLUSIONS: PPS of iCCA is influenced by progression pattern, with important implications for second-line trial design and analysis.

The power of kindness: curative treatment with metronomic combination in advanced hepatocellular carcinoma.

The administration of approved systemic treatments for advanced hepatocellular carcinoma (HCC) is limited to patients with preserved liver function (Child-Pugh A/B7) and performance status. Conversely, metronomic chemotherapy can be safely administered to patients with poor clinical conditions and severe liver impairment. The metronomic schedule demonstrated to exert different anticancer mechanisms compared to that of the same agent administered at its standard schedule, including immune stimulation and the inhibition of angiogenesis and vasculogenesis. Nevertheless, metronomic chemotherapy is a nearly neglected option for the treatment of advanced HCC patients, even among those who cannot afford standard treatments. Herein, we report the case of a 40-year-old patient affected by HBV-HDV-related cirrhosis who was diagnosed with advanced HCC. The severe liver impairment (Child-Pugh B9) did not allow to administer first-line treatment with tyrosine kinase inhibitors so that the patient received metronomic capecitabine as upfront therapy. Due to the suspect of progressive disease at the first radiologic assessment, metronomic cyclophosphamide was added to capecitabine aiming to enhance its efficacy. After 4 months of treatment, complete tumor response, alpha-fetoprotein (AFP) normalization and the recovery of a Child-Pugh A were achieved. The patient was then able to undergo liver transplantation, and, after 18 months from the diagnosis, he is still free of disease recurrence. This experience emphasizes the reliability of metronomic capecitabine as a well-tolerated and effective treatment when patient's conditions prevent the administration of standard first-line treatments. In fact, metronomic capecitabine demonstrated its effectiveness in advanced HCC in retrospective and prospective analyses, leading to median progression-free survival and overall survival of, respectively, 6.03 and 14.47 months in phase II single-arm trial. Moreover, in consideration of the raising interest in immune-checkpoint inhibition in HCC, we believe that the immunomodulating effects of metronomic chemotherapy, either capecitabine or cyclophosphamide, warrant future trials exploring its combination with immunotherapy.

Wilson disease, ABCC2 c.3972C > T polymorphism and primary liver cancers: suggestions from a familial cluster.

BACKGROUND: Polymorphisms in genes modulating xenobiotics metabolism, in particular the ABCC2 c.3972C > T single nucleotide polymorphism (SNP) at exon 28, have been suggested to increase primary liver cancer (PLC) risk. Conversely, the occurrence of PLCs in Wilson disease patients is a rare event, in contrast with the occurrence observed in other chronic liver diseases. Here we report the clinical case of five siblings carrying the ABCC2 c.3972C > T SNP; three of them were affected by Wilson disease and two brothers with Wilson disease also developed PLCs. METHODS: The presence of the ABCC2 c.3972C > T SNP was assessed by Sanger sequencing and the exposure of PLC risk factors by standardized questionnaires. RESULTS: Notably, PLCs occurred only in the two brothers with the ABCC2 c.3972C > T SNP and Wilson disease who resulted exposed to asbestos and cigarette smoking, but not in the other siblings with the ABCC2 c.3972C > T SNP, alone or in association with Wilson disease, not exposed to these carcinogens and/or to other known risk factors for PLCs. CONCLUSIONS: These findings suggest that ABCC2 c.3972C > T SNP and WD, also in association, may not represent a sufficient condition for PLC development, but that co-occurrence of further host/exogenous risk factors are needed to drive this process, reinforcing the notion that liver carcinogenesis is the result of a complex interplay between environmental and host genetic determinants. Due to the sporadic cases of this study and the paucity of data currently available in literature on this issue, future investigations in a larger population are needed to confirm our findings.

Percutaneous radiofrequency ablation in intrahepatic cholangiocarcinoma: a retrospective single-center experience.

Background & aims: Very few data are available in literature about the role of radiofrequency ablation (RFA) in intrahepatic cholangiocarcinoma (ICC) and previous studies are mainly case reports and case series on a very small number of patients and nodules. In this study, we aimed to evaluate effectiveness and safety of RFA for the treatment of unresectable ICC.Methods: This is a retrospective observational cohort study comprising all consecutive patients treated with RFA for unresectable ICC at Policlinico Sant'Orsola Malpighi Hospital, Bologna, Italy. Primary endpoint was Local Tumor Progression-Free Survival (LTPFS) while Overall Survival (OS) was also assessed as secondary endpoint.Results: From January 2014 to June 2019, 29 patients with 117 nodules underwent RFA. Technique effectiveness 1 month after RFA was 92.3%; median LTPFS was 9.27 months. Univariate analysis and multivariate analysis showed that LTPFS was significantly related to tumor size ≥20 mm. At a median follow up of 39.9 months, median OS from the date of RFA was 27.5 months, with an OS of 89%, 45% and 11% at 1, 2 and 4 years, respectively. Number of overall lesions and the sum of their diameter at the moment of the first RFA significantly affected OS in multivariate analysis. Minor and major complication rates were 14% and 7%, respectively.Conclusion: Tumor size ≥20 mm was associated with lower LTPFS, representing a potential useful threshold value. A careful evaluation of tumor burden appears as a crucial element in choosing the best therapeutic strategy in unresectable ICC.

An astonishing case of liver-only metastatic colorectal cancer cured by FOLFOXIRI alone.

The array of tools currently available and the aim of treatment make choosing the best therapeutic strategy in metastatic colorectal cancer (CRC) an increasing challenge worldwide. We present the case of a 53-year-old man with metachronous metastases (liver-only metastatic disease) treated with FOLFOXIRI as first-line treatment. In March 2010, a colonoscopy carried out for persistent constipation revealed a neoplastic stenosing mass. After a month, the patient underwent a low anterior rectal resection with colorectal anastomosis; no metastases were found on the computed tomography scan. Histology confirmed adenocarcinoma (pT3N0M0; stage IIA). No adjuvant treatment was given because of the absence of negative prognostic and molecular factors in stage II. After 6 months of follow-up, a computed tomography scan and F-FDG PET showed five focal hepatic lesions. We decided to start a FOLFOXIRI regimen aimed at conversion. The patient had a complete clinical and radiological response to chemotherapy after eight cycles. After 7 years, the patient is currently without any evidence of recurrence or progression of the disease. Few literature reports suggest that chemotherapy alone can cure patients with CRC liver metastases. Although regimens including oxaliplatin have never been reported as potential healing tools, the FOLFOXIRI chemotherapeutic schedule (oxaliplatin, irinotecan, and 5-fluorouracil) showed a high response rate in mCRC and can even cure the metastatic disease in sporadic cases.

Brain Metastases from Biliary Tract Cancer: A Monocentric Retrospective Analysis of 450 Patients.

OBJECTIVE: Brain metastases (BMs) from biliary tract cancer (BTC) are extremely rare. The aim of our study was to report the incidence of BMs in patients with BTC. METHODS: We retrospectively analyzed a series of 450 patients with BTC. Presence of brain lesions was investigated only when symptoms were evident. Cumulative incidence, median overall survival (OS) from detection of BMs, median OS from cancer diagnosis, and median time from cancer diagnosis to detection of BMs were evaluated. RESULTS: In our series, 6 patients developed BMs with an incidence of about 1.4%. Median OS from detection of BMs and from cancer diagnosis was, respectively, 3.7 (0.9-17.8) and 23 (9.9-57.6) months. Median time between cancer diagnosis and detection of BMs was 13.6 (7.3-52.8) months. Moreover, we observed a significant association between BMs and bone metastases (particularly vertebral lesions). DISCUSSION: Despite the retrospective design, this is the first study evaluating the incidence of BMs among patients with BTC in Western countries. BMs from BTC remain atypical, although their incidence is probably a little higher than previously assumed. Patients with BMs had poor prognosis. Unpredictably, bone involvement occurred in 5 out of 6 patients.

Oral oxycodone/naloxone for pain control in cirrhosis: Observational study in patients with symptomatic metastatic hepatocellular carcinoma.

BACKGROUND & AIMS: Pain management in cirrhosis is a clinical challenge. Most analgesics are metabolized in the liver and cirrhosis may deeply alter their concentration, favouring the appearance of side effects. We aimed to assess the efficacy and safety of oral prolonged-release association of oxycodone/naloxone tablets (OXN) in the treatment of moderate/severe cancer pain in cirrhotic patients with metastatic hepatocellular carcinoma (HCC). METHODS: We enrolled n = 32 HCC patients with moderate/severe cancer pain unresponsive to paracetamol alone or associated with codeine or tramadol. All patients received an initial OXN dose of 5 mg bid to be gradually increased in case of insufficient analgesia. At baseline and follow-up visits, we evaluated: pain intensity (using the Numerical Rating Scale, NRS), patients' autonomy in daily activities (Barthel Functioning Index); bowel dysfunction (Bowel Function Index, BFI), signs of hepatic encephalopathy (HE) and other opioid-induced side effects. RESULTS: No clinically significant adverse effects were reported (median follow-up 122 days). No significant worsening of the BFI score was noted and no cases of HE were detected. Two patients (6.3%) discontinued treatment before T14 because of mild nausea and dizziness. The remaining n = 30 patients were assessed for efficacy. Treatment led to a significant reduction in the mean of pain scores both at T14 (-37.1 ± 16.3%, P < .001) and at T28 (-55.6 ± 21.5%, P < .001); Barthel scores showed gradual and significant increase from T0 (81.6 ± 13.0) to T14 (86.5 ± 11.4, P = .001) and to T28 (88.3 ± 13.6, P = .009). CONCLUSIONS: OXN may be considered a safe and effective option in the fragile population of cirrhotic patients.

Microbiota, NASH, HCC and the potential role of probiotics.

Hepatocellular carcinoma (HCC) accounts for the majority of primary liver cancers. Clearly identifiable risk factors are lacking in up to 30% of HCC patients and most of these cases are attributed to non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). Beyond the known risk factors for NAFLD, the intestinal microbiota, in particular dysbiosis (defined as any change in the composition of the microbiota commonly found in healthy conditions) is emerging as a new factor promoting the development of chronic liver diseases and HCC. Intestinal microbes produce a large array of bioactive molecules from mainly dietary compounds, establishing an intense microbiota-host transgenomic metabolism with a major impact on physiological and pathological conditions. A better knowledge of these 'new' pathways could help unravel the pathogenesis of HCC in NAFLD to devise new prevention strategies. Currently unsettled issues include the relative role of a 'negative microbiota' (in addition to the other known risk factors for NASH) and the putative prevention of NAFLD through modulation of the gut microbiota.

Membrane Localization of Human Equilibrative Nucleoside Transporter 1 in Tumor Cells May Predict Response to Adjuvant Gemcitabine in Resected Cholangiocarcinoma Patients.

BACKGROUND: The use of gemcitabine as an adjuvant modality for cholangiocarcinoma (CC) is increasing, but limited data are available on predictive biomarkers of response. Human equilibrative nucleoside transporter 1 (hENT-1) is the major transporter involved in gemcitabine intracellular uptake. This study investigated the putative predictive role of hENT-1 localization in tumor cells of CC patients undergoing treatment with adjuvant gemcitabine. METHODS: Seventy-one consecutive patients with resected CC receiving adjuvant gemcitabine at our center were retrospectively analyzed by immunohistochemistry for hENT-1 localization in tumor cells. The main outcome measure was disease-free survival (DFS). Hazard ratios (HRs) of relapse and associated 95% confidence intervals (CIs) were obtained from proportional hazards regression models stratified on quintiles of propensity score. RESULTS: Twenty-three (32.4%) cases were negative for hENT-1, 22 (31.0%) were positive in the cytoplasm only, and 26 (36.6%) showed concomitant cytoplasm/membrane staining. Patients with membrane hENT-1 had a longer DFS (HR 0.49, 95% CI 0.24-0.99, p = .046) than those who were negative or positive only in the cytoplasm of tumor cells. Notably, the association between DFS and membrane hENT-1 was dependent on the number of gemcitabine cycles (one to two cycles: HR 0.96, 95% CI 0.34-2.68; three to four cycles: HR 0.99, 95% CI 0.34-2.90; five to six cycles: HR 0.27, 95% CI 0.10-0.77). CONCLUSION: hENT-1 localization on tumor cell membrane may predict response to adjuvant gemcitabine in CC patients receiving more than four cycles of chemotherapy. Further prospective randomized trials on larger populations are required to confirm these preliminary results, so that optimal gemcitabine-based chemotherapy may be tailored for CC patients in the adjuvant setting. IMPLICATIONS FOR PRACTICE: Gemcitabine is becoming an increasingly used adjuvant modality in cholangiocarcinoma (CC), but limited data are available on predictive biomarkers of response. In this study, patients receiving more than four cycles of adjuvant gemcitabine and harboring Human equilibrative nucleoside transporter 1 (hENT-1, the major transporter involved in gemcitabine intracellular uptake) on tumor cell membrane had a longer disease-free survival compared with patients negative or positive for hENT-1 only in the cytoplasm of tumor cells. Overall these results may lay the basis for further prospective randomized trials based on a larger population of patients and may prove useful for tailoring appropriate gemcitabine-based chemotherapy for CC patients in the adjuvant setting.

Bone Metastases from Intrahepatic Cholangiocarcinoma Confer Worse Prognosis.

BACKGROUND: Metastatic intrahepatic cholangiocarcinoma still has a dismal prognosis. The aim of our study was to investigate the prognostic role of bone metastases in patients affected by intrahepatic cholangiocarcinoma. METHODS: A total of 186 metastatic intrahepatic cholangiocarcinoma patients were retrospectively reviewed. Clinicopathologic and survival data were collected and reviewed, in particular overall survival, progression-free survival after first-line treatment and time from end of first-line therapy to cancer death. RESULTS: Around 11% of intrahepatic cholangiocarcinoma patients developed bone metastases. This subgroup of patients showed no differences in progression-free survival to first-line chemotherapy but had a shorter median overall survival of 4 months compared to the group with liver involvement only (p = 0.03). If treated, the outcome for ECOG PS 2 patients with bone metastases was worse in comparison to patients with liver involvement only with poor performance status (p = 0.003). The presence of bone metastases, poor performance status and no subsequent second-line treatment was associated with a worse outcome in multivariate analysis. CONCLUSIONS: Patients with intrahepatic carcinoma and bone metastases with poor ECOG performance status might be treated with best supportive care and not active chemotherapy treatment, the decisions which have to be shared with patients.

Second-Line Chemotherapy for Intrahepatic Cholangiocarcinomas: What Is the Real Gain?

BACKGROUND: The presence of actionable alterations in advanced biliary tract cancer patients opened new therapeutic possibilities for second-line treatments. However, for around 60% of the patients, chemotherapy remains the only therapeutic option. The aim of our study was to evaluate outcomes and prognostic parameters in patients with intrahepatic cholangiocarcinomas treated with second-line chemotherapy. METHODS: A total of 255 consecutive metastatic intrahepatic cholangiocarcinoma (ICC) patients were retrospectively reviewed and clinicopathologic and survival data were collected. RESULTS: Fourty-four percent of ICC patients underwent second-line chemotherapy. In particular, younger ICC patients with better ECOG PS status, and with disease control after first-line chemotherapy were those who were treated with second-line treatments. Median progression-free survival in the patients treated with second-line chemotherapy was 3 months. Finally, the patients affected by intrahepatic cholangiocarcinoma with better ECOG PS, with prior surgical resection of the primary tumor, who responded to first-line chemotherapy, and had better progression-free survival with second-line chemotherapy, were associated with better outcomes in multivariate analysis. CONCLUSIONS: Not all patients seem to benefit from second-line chemotherapy. To improve therapeutic decisions, performance status and disease control with first-line chemotherapy should lead to the decision on the usefulness of second-line treatments in advanced ICC patients.

Mechanisms of Primary and Acquired Resistance to Immune Checkpoint Inhibitors in Patients with Hepatocellular Carcinoma.

Hepatocellular carcinoma (HCC) is the most common liver cancer and a relevant global health problem. Immune checkpoint inhibitors (ICIs) represent the most effective systemic treatment for HCC. However, due to primary resistance, approximately 40% of HCC patients do not achieve a disease control with ICIs. Moreover, a similar proportion will experience disease progression after an initial response caused by secondary resistance. This review describes the mechanisms of primary and secondary resistance and reports the ongoing therapeutic strategies to overcome these obstacles.

Small Bowel Adenocarcinoma: From Molecular Insights to Clinical Management.

Small bowel adenocarcinoma (SBA) is a rare malignancy, with a rising incidence in recent decades, and accounts for roughly 40% of all cancers of the small bowel. The majority of SBAs arise in the duodenum and are associated with a dismal prognosis. Surgery remains the mainstay of treatment for localized disease, while systemic treatments parallel those used in colorectal cancer (CRC), both in the adjuvant and palliative setting. In fact, owing to the lack of prospective data supporting its optimal management, SBA has historically been treated in the same way as CRC. However, recent genetic and molecular data suggest a distinct profile from other gastrointestinal malignancies and support a more nuanced approach to its management. Herein, we briefly review the state-of-the-art in the clinical management of early-stage and advanced disease and recent discoveries of potentially actionable genetic alterations or pathways along with the most promising ongoing clinical trials, which will hopefully revolutionize the treatment landscape of this orphan disease in the foreseeable future.

Should patients on levothyroxine therapy be screened for pancreatic cancer?

BACKGROUND: Pancreatic ductal adenocarcinoma is an aggressive disease with increasing incidence. Thyroid hormones play different roles in development and physiological processes of the entire digestive system, including pancreas. Therefore, many have hypothesized that thyroid hormone supplementation for hypothyroidism disorders might increase the risk of malignancy. PATIENTS AND METHODS: We conducted retrospective observational mono-centre study. The aim was to examine the prevalence of thyroid disorders among patients with pancreatic cancer. Moreover, we investigated the impact of thyroid hormone supplementation in pancreatic cancer patients' outcome and the correlation with various clinicopathologic parameters. RESULTS: A total of 92 consecutive pancreatic cancer patients were retrospectively reviewed: 18.5% patients had a history of hypothyroidism and all received a replacement hormone therapy with levothyroxine, in particular 20% in metastatic group and 11% in radically resected PDAC patients' group. Nor in radically resected neither in metastatic group, we did not observe any statistically significant difference in outcome between the group with or without thyroid disorders. On multivariate analyses, cox proportional hazards model analysis showed that only the presence of perineural invasion was associated with a significantly higher hazard ratio for overall survival in metastatic PDAC patients (HR=2.7; 95%CI=1.029-6.925; p=0.009). CONCLUSIONS: We observed higher prevalence of thyroid disorders in PDAC patients. Further studies are warranted to explore the impact of levothyroxine therapy on outcome in PDAC patients.

Third-line chemotherapy in advanced biliary cancers (ABC): pattern of care, treatment outcome and prognostic factors from a multicenter study.

OBJECTIVES: Here, we aim at describing the pattern of care, survival outcome and prognostic factors of ABC patients (pts) receiving third-line chemotherapy. METHODS: Institutional registries across three academic medical centers were retrospectively reviewed. Kaplan-Meier estimators were used to calculate survival, the log-rank test to make comparisons, and the Cox proportional hazard models to assess the progostic impact of variables. RESULTS: Among 101 pts included in the analysis. 68 (67.3%), 19 (18.8%) and 14 (13.8%) had intrahepatic and extrahepatic cholangiocarcinoma and gallbladder cancer, respectively. Atotal of 63 (62.3%) pts received monochemotherapy, while 38 (37.6%) were treated with adoublet. The median OS and PFS were 5 and 3 months, respectively. Disease control rate was achieved in 23 (22.7%) pts, with 2 (2%) partial responses. Grade 3-4 treatment-related adverse events were reported in 22 (21.7%) pts. At multivariate analysis, ECOG PS (p < 0.001), tumor burden (p = 0.01) and lymphocyte-to-monocyte ratio (p =0.02) were independent predictors of survival. CONCLUSIONS: Third-line chemotherapy displayed limited activity in this real-world cohort, although prognostic factors have been identified that may assist in treatment decision. The results of this multicenter experience, highlight the need for more effective therapies and provide a benchmark for future trials in this setting.

A Novel Prognostic Tool in Western and Eastern Biliary Tract Cancer Patients Treated in First-line Setting: the ECSIPOT Index.

BACKGROUND AND AIM: The need to estimate prognosis of advanced BTC (aBTC) patients treated with first-line chemotherapy is compelling. The aim of the study is to evaluate the ECSIPOT (psECogSIiPnigOT) index, influenced by PECS (PsECogSii) index, prognostic nutritional index (PNI), and GOT. METHODS: This international study was conducted on a training cohort of 126 patients and in three validation cohorts, both European and Korean. ECSIPOT index formula: (PECS:0 = 1 point; PECS:1 = 1.4 points; PECS:2 = 3.2 points) + (PNI > 36.7 = 1 point; PNI < 36.7 = 2 points) + (GOT < 100 = 1 point; GOT > 100 = 2 points). Event-time distributions were estimated using the Kaplan-Meier method, and survival curves were compared using the log-rank test. RESULTS: In the training cohort, mOS was 12.9, 6.3, and 2.8 months for patients with ECSIPOT-0, ECSIPOT-1, and ECSIPOT-2, respectively (ECSIPOT-0: HR 1; ECSIPOT-1: HR 2.11; ECSIPOT-2: HR 4.93; p < 0.0001). In the first validation cohort, mOS was 11.5, 7.3, and 3.3 months for ECSIPOT-0, ECSIPOT-1, and ECSIPOT-2, respectively (ECSIPOT-0: HR 1; ECSIPOT-1: HR 1.74; ECSIPOT-2: HR 3.41; p < 0.0001). In the second validation cohort, mOS was 25.2, 12.5, and 3.0 months for ECSIPOT-0, ECSIPOT-1, and ECSIPOT-2, respectively (ECSIPOT-0: HR = 1; ECSIPOT-1: HR 2.33; ECSIPOT-2: HR 8.46; p < 0.0001). In the third validation cohort, mOS was 11.8, 8.1, and 4.6 months for ECSIPOT-0, ECSIPOT-1, and ECSIPOT-2, respectively (ECSIPOT-0: HR = 1; ECSIPOT-1: HR 1.47; ECSIPOT-2: HR 3.17; p < 0.0001). Multivariate analysis in all cohorts confirmed the ECSIPOT index as an independent prognostic factor for OS. CONCLUSION: The easy assessment and good risk-stratification performance make the ECSIPOT index a promising tool to comprehensively estimate the prognosis of aBTC patients.

Prognostic Role of a New Index Tested in European and Korean Advanced Biliary Tract Cancer Patients: the PECS Index.

BACKGROUND AND AIM: The aim of the present study is to evaluate a new index (PECS (PsECogSii)index) influenced by PS ECOG and systemic immune-inflammation index (SII) in unresectable locally advanced or metastatic BTC patients treated with first-line chemotherapy. METHODS: This multicenter, international, study was conducted on a training cohort of 130 patients and in three European and Korean validation cohorts The PECS index was calculated as ECOG × SII index (neutrophil count × platelet count/lymphocyte count). Event-time distributions were estimated using the Kaplan-Meier method and survival curves were compared using the log-rank test. RESULTS: In the training cohort, the median overall survival (mOS) was 13.2 months, 8.7 months, and 3.8 months for patients with PECS-0, PECS-1, and PECS-2, respectively (PECS-0: HR = 1; PECS-1: HR 1.41; PECS-2: HR 3.23) (p < 0.0001). In the first validation cohort, the mOS was 12.8 months, 10.1 months, and 5.3 months for patients with PECS-0, PECS-1, and PECS-2, respectively (PECS-0: HR = 1; PECS-1: HR 1.29; PECS-2: HR 2.40) (p < 0.0001). In the second validation cohort, the mOS was 21.2 months, 10.2 months, and 3.0 months for patients with PECS-0, PECS-1, and PECS-2, respectively (PECS-0: HR = 1; PECS-1: HR 2.25; PECS-2: HR 9.00) (p < 0.0001). In the third validation cohort, the median OS was 15.5 months, 7.5 months, and 3.7 months for patients with PECS-0, PECS-1, and PECS-2, respectively (PECS-0: ref HR = 1; PECS-1: HR 2.14; PECS-2: HR 5.00) (p < 0.0001). Multivariate analysis in all cohorts confirmed the PECS index as an independent prognostic factor for OS. CONCLUSIONS: The easy assessment, low cost, and reproducibility make PECS index a promising tool to assess the prognosis of BTC patients in future clinical practice.