Impact of smoking status on the relative efficacy of the EGFR TKI/angiogenesis inhibitor combination therapy in advanced NSCLC-a systematic review and meta-analysis.

BACKGROUND: The ETOP 10-16 BOOSTER trial failed to demonstrate a progression-free survival (PFS) benefit for adding bevacizumab to osimertinib in second line. An exploratory subgroup analysis, however, suggested a PFS benefit of the combination in patients with a smoking history and prompted us to do this study. METHODS: A systematic review and meta-analysis to evaluate the differential effect of smoking status on the benefit of adding an angiogenesis inhibitor to epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor therapy was carried out. All relevant randomized controlled trials appearing in main oncology congresses or in PubMed as of 1 November 2021 were used according to the Preferred Reporting Items for Systematic Review and Meta-Analyses statement. Primarily PFS according to smoking status, and secondarily overall survival (OS) were of interest. Pooled and interaction hazard ratios (HRs) were estimated by fixed or random effects models, depending on the detected degree of heterogeneity. Bias was assessed using the revised Cochrane tool for randomized controlled trials (RoB 2). RESULTS: Information by smoking was available for 1291 patients for PFS (seven studies) and 678 patients for OS (four studies). The risk of bias was low for all studies. Combination treatment significantly prolonged PFS for smokers [n = 502, HR = 0.55, 95% confidence interval (CI): 0.44-0.69] but not for nonsmokers (n = 789, HR = 0.92, 95% CI: 0.66-1.27; treatment-by-smoking interaction P = 0.02). Similarly, a significant OS benefit was found for smokers (n = 271, HR = 0.66, 95% CI: 0.47-0.93) but not for nonsmokers (n = 407, HR = 1.07, 95% CI: 0.82-1.42; treatment-by-smoking interaction P = 0.03). CONCLUSION: In advanced EGFR-non-small-cell lung cancer patients, the addition of an angiogenesis inhibitor to EGFR-tyrosine kinase inhibitor therapy provides a statistically significant PFS and OS benefit in smokers, but not in non-smokers. The biological basis for this observation should be pursued and could determine whether this might be due to a specific co-mutational pattern produced by tobacco exposure.

A randomised phase II study of osimertinib and bevacizumab versus osimertinib alone as second-line targeted treatment in advanced NSCLC with confirmed EGFR and acquired T790M mutations: the European Thoracic Oncology Platform (ETOP 10-16) BOOSTER trial.

BACKGROUND: While osimertinib, a third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) is the standard treatment in patients with advanced non-small-cell lung cancer (NSCLC) with sensitising EGFR and acquired T790M mutations, progression inevitably occurs. The angiogenic pathway is implicated in EGFR TKI resistance. PATIENTS AND METHODS: BOOSTER is an open-label randomised phase II trial investigating the efficacy and safety of combined osimertinib 80 mg daily and bevacizumab 15 mg/kg every 3 weeks, versus osimertinib alone, in patients with EGFR-mutant advanced NSCLC and acquired T790M mutations after failure on previous EGFR TKI therapy. Primary endpoint was investigator-assessed progression-free survival (PFS). Secondary endpoints were overall survival (OS), objective response rate (ORR) and adverse events (AEs). RESULTS: Between May 2017 and February 2019, 155 patients were randomised (combination: 78; osimertinib: 77). At data cut-off of 22 February 2021, median follow-up was 33.8 months [interquartile range (IQR): 26.5-37.6 months] and 129 (83.2%) PFS events were reported in the intention-to-treat population. There was no difference in median PFS between the combination [15.4 months; 95% confidence interval (CI) 9.2-18.0 months] and osimertinib arm (12.3 months; 95% CI 6.2-17.2 months; stratified log-rank P = 0.83), [hazard ratio (HR) = 0.96; 95% CI 0.68-1.37]. Median OS was 24.0 months (95% CI 17.8-32.1 months) in the combination arm and 24.3 months (95% CI 16.9-37.0 months) in the osimertinib arm (stratified log-rank P = 0.91), (HR = 1.03; 95% CI 0.67-1.56). Exploratory analysis revealed a significant interaction of smoking history with treatment for PFS (adjusted P = 0.0052) with a HR of 0.52 (95% CI 0.30-0.90) for smokers, and 1.47 (95% CI 0.92-2.33) for never smokers. ORR was 55% in both arms and the median time to treatment failure was significantly shorter in the combination than in the osimertinib arm, 8.2 months versus 10.8 months, respectively (P = 0.0074). Safety of osimertinib and bevacizumab was consistent with previous reports with grade ≥3 treatment-related AEs (TRAEs) reported in 47% and 18% of patients on combination and osimertinib alone, respectively. CONCLUSIONS: No difference in PFS was observed between osimertinib plus bevacizumab and osimertinib alone. Grade ≥3 TRAEs were more common in patients on combination.

Molecular analysis in cytological samples obtained by endobronchial or oesophageal ultrasound guided needle aspiration in non-small cell lung cancer.

INTRODUCTION: Cytological samples obtained by endobronchial ultrasound (EBUS) are capital for diagnosis, staging and molecular profile in non-small cell lung carcinoma (NSCLC). OBJECTIVE: To assess the success rate of complete, partial and individual of molecular analysis in samples obtained by EBUS-guided transbronchial needle aspiration (TBNA) and/or by oesophageal ultrasound-guided fine needle aspiration with an echobronchoscope (EUS-B-FNA) in patients with NSCLC. METHODS: Prospective study including 90 patients with non-squamous NSCLC, or non-smoking squamous. Cytological samples were classified into two groups. Group 1: PEN membrane slide and/or cell blocks for the determination of mutations of EGFR, KRAS, ERBB2 and BRAF. Group 2: silane coated slides or cell blocks for rearrangements of ALK, ROS1 and MET amplification. RESULTS: The success rate was 78.6% for 4 molecular alterations (EGFR, KRAS, ALK and ROS1), and 44% for 7 determinations. The individual success rate for EGFR was 97%, KRAS 96.3%, ALK 85%, ROS1 82.3%, ERBB2 71.4%, BRAF 67.7% and MET 81.1%. There were no significant differences (p=0.489) in the number of molecular analyses (1-3 vs. 4) in group 1, depending on the types of samples (cell block vs. PEN membrane slide vs. cell block and PEN membrane slide). CONCLUSIONS: In patients with NSCLC, the cytological material obtained by ultrasound-guided needle aspiration is sufficient for individual and partial molecular analysis in the vast majority of cases. Membrane slides such as cell blocks are valid samples for molecular analysis.

Assessment of neurocognitive decline in cancer patients, except brain cancer, under long-term treatment with bevacizumab.

PURPOSE: We performed a cross-sectional study of neurocognitive function in non-brain cancer patients treated with long-term bevacizumab. METHODS/PATIENTS: From 2015 to 2017, we included patients with different types of cancer treated with bevacizumab with or without chemotherapy (BEV; N = 20) or only chemotherapy (ChT; N = 19) for at least 34 weeks, patients who received non-brain radiotherapy (RxT; N = 19), and healthy controls (HC; N = 19) were assessed once at week 34 of treatment (BEV and ChT) or at completion of radiotherapy. Neurocognition was evaluated with the Hopkins Verbal Learning Test-Revised (HVLT-R) total and delayed recall, the Trail Making Test A and B, and the Controlled Oral Word Association Test in the four groups. Non-parametric tests were used to assess differences between groups. RESULTS: The BEV, ChT, and RxT groups scored significantly lower than the HC group on all tests and especially on the HVLT-R total recall. In no case were the mean scores of the BEV group significantly lower than those of the ChT or RxT groups. CONCLUSIONS: Neurocognitive impairment was seen even in patients treated with local non-brain radiotherapy. Treatment with bevacizumab for a long period of time does not seem to worsen neurocognitive function to a greater extent than chemotherapy.

Consensus on the use of immune-related response criteria to evaluate the efficacy of immunotherapy in non-small cell lung cancer.

INTRODUCTION: Many methods used to assess the effectiveness of immune checkpoint (programmed death-ligand 1 or cytotoxic T-lymphocyte-associated protein 4) inhibitors for non-small cell lung cancer (NSCLC) are insufficient, as the therapeutic benefit of these agents is often underestimated. Consequently, immune-related evaluation criteria have been developed to better reflect their efficacy. The aim of this consensus was to obtain the opinion of lung cancer experts on the adequacy of immune-response criteria for evaluating the efficacy of these treatments. METHODS: Through two rounds of a modified Delphi consensus, 18 Spanish lung cancer experts participated in a 15-item questionnaire regarding the use of immunotherapies for NSCLC and the assessment criteria used to evaluate their effectiveness. RESULTS: Consensus was achieved on 80% of the items in the questionnaire. The panelists agreed that although the Response Evaluation Criteria in Solid Tumors (RECIST) are standard for the evaluation of solid tumors, immune-related response criteria would be useful for measuring the efficacy of immunotherapy. In addition, they considered that an overall survival (OS) rate at 2-5 years is the most useful end point for assessing the benefit of immunotherapy, as clinical benefit may extend beyond the RECIST criteria-defined progression of disease. CONCLUSIONS: Although immune-related response criteria have been developed to better evaluate the efficacy of immunotherapy, their use has not been validated and is restricted to investigational applications. However, they may prove to be a useful tool for measuring the efficacy of immunotherapy agents in NSCLC, especially the OS rate at 2-5 years.

Efficacy of nintedanib and docetaxel in patients with advanced lung adenocarcinoma treated with first-line chemotherapy and second-line immunotherapy in the nintedanib NPU program.

PURPOSE: Both nintedanib/docetaxel and anti-PD-1/PD-L1 immunotherapies have demonstrated efficacy as second-line treatment of patients with advanced lung adenocarcinoma. This is the first report on the efficacy of the nintedanib/docetaxel combination following first-line platinum-based chemotherapy and subsequent immunotherapy in a real-world setting. METHODS/PATIENTS: From May 2014 to December 2015, 390 patients in 108 Spanish centres enrolled in the nintedanib named patient use program. Inclusion criteria were advanced lung adenocarcinoma with progressive disease following at least one line of platinum-based doublet chemotherapy. The objective was to evaluate the efficacy of the nintedanib/docetaxel combination in patients who also received immunotherapy. RESULTS: Eleven patients met the inclusion criteria; with a median age of 67 years. PD-L1 expression was positive in six patients. Median progression-free survival (PFS) of first-line platinum-based chemotherapy was 3.3 months (95% CI 1.9-4.6). Second-line immunotherapy was pembrolizumab (36.5%), atezolizumab (36.5%) or nivolumab (27%). Median PFS of second-line immunotherapy was 2.3 months (95% CI 0-6.1). The overall response rate (ORR) to second-line immunotherapy was 18% with a disease-control rate (DCR) of 45%. Median PFS of nintedanib/docetaxel was 3.2 months (95% CI 1.9-4.5). Best response was partial response in four patients (36%), stable disease in five patients (46%), and progressive disease in two patients (18%), for an ORR of 36% and a DCR of 82%. CONCLUSION: Our experience suggests an encouraging efficacy of nintedanib/docetaxel in patients with adenocarcinoma NSCLC pretreated with platinum-based doublet chemotherapy and immunotherapy, reinforcing the importance of an optimal therapeutic sequence for managing advanced lung adenocarcinoma.

SEOM clinical guidelines for the treatment of non-small cell lung cancer (2018)

Non-small cell lung cancer (NSCLC) accounts for up to 85% of all lung cancers. The last few years have seen the development of a new staging system, diagnostic procedures such as liquid biopsy, treatments like immunotherapy, as well as deeper molecular knowledge; so, more options can be offered to patients with driver mutations. Groups with specific treatments account for around 25% and demonstrate significant increases in overall survival, and in some subgroups, it is important to evaluate each treatment alternative in accordance with scientific evidence, and even more so with immunotherapy. New treatments similarly mean that we must reconsider what should be done in oligometastatic disease where local treatment attains greater value

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SEOM clinical guidelines for the treatment of non-small cell lung cancer (2018).

Non-small cell lung cancer (NSCLC) accounts for up to 85% of all lung cancers. The last few years have seen the development of a new staging system, diagnostic procedures such as liquid biopsy, treatments like immunotherapy, as well as deeper molecular knowledge; so, more options can be offered to patients with driver mutations. Groups with specific treatments account for around 25% and demonstrate significant increases in overall survival, and in some subgroups, it is important to evaluate each treatment alternative in accordance with scientific evidence, and even more so with immunotherapy. New treatments similarly mean that we must reconsider what should be done in oligometastatic disease where local treatment attains greater value.

Efficacy of tyrosine kinase inhibitors in EGFR-mutant lung cancer women in a real-world setting: the WORLD07 database

Background. The WORLD07 project is a female specific database to assess the characteristics of women with lung cancer. Methods. WORLD07 database sets up in 2007, and prospectively stores clinical characteristics, treatment, outcome, and follow-up of lung cancer women. All women with epidermal growth factor receptor (EGFR) mutation non-small cell lung cancer (NSCLC) were selected for this analysis. Results. From October 2007 to December 2012, a total of 1775 NSCLC women were recruited. EGFR mutation was identified in 34.4% of patients. Upfront EGFR tyrosine kinase inhibitor (TKI) reported a response rate of 60%, a median progression-free survival of 11.7 months, and median overall survival of 23.0 months. EGFR TKI, EGFR-mutation type, and smoking status did not impact in the outcome of treated women. Conclusion. Prevalence of EGFR mutation in women with NSCLC is higher than overall population with NSCLC. Efficacy of EGFR TKI in this real-world setting is similar to that previously reported (AU)

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Efficacy of tyrosine kinase inhibitors in EGFR-mutant lung cancer women in a real-world setting: the WORLD07 database.

BACKGROUND: The WORLD07 project is a female specific database to assess the characteristics of women with lung cancer. METHODS: WORLD07 database sets up in 2007, and prospectively stores clinical characteristics, treatment, outcome, and follow-up of lung cancer women. All women with epidermal growth factor receptor (EGFR) mutation non-small cell lung cancer (NSCLC) were selected for this analysis. RESULTS: From October 2007 to December 2012, a total of 1775 NSCLC women were recruited. EGFR mutation was identified in 34.4% of patients. Upfront EGFR tyrosine kinase inhibitor (TKI) reported a response rate of 60%, a median progression-free survival of 11.7 months, and median overall survival of 23.0 months. EGFR TKI, EGFR-mutation type, and smoking status did not impact in the outcome of treated women. CONCLUSION: Prevalence of EGFR mutation in women with NSCLC is higher than overall population with NSCLC. Efficacy of EGFR TKI in this real-world setting is similar to that previously reported.

Pembrolizumab as first-line therapy for patients with PD-L1-positive advanced non-small cell lung cancer: a phase 1 trial.

Background: Pembrolizumab improved survival as first- and second-line therapy compared with chemotherapy in patients with highly programmed death ligand 1 (PD-L1) expressing advanced non-small cell lung cancer (NSCLC). We report the long-term safety and clinical activity of pembrolizumab as first-line therapy for patients with advanced NSCLC and the correlation between PD-L1 expression and efficacy. Patients and methods: In the open-label phase 1b KEYNOTE-001 trial, treatment-naive patients with advanced NSCLC whose tumors expressed PD-L1 (≥1% staining, assessed using a prototype assay) were randomly assigned to intravenous pembrolizumab 2 or 10 mg/kg every 3 (Q3W) or 2 (Q2W) weeks. Response was assessed per central RECIST v1.1 every 9 weeks in all patients who received ≥1 pembrolizumab dose. Using pre-treatment tumor tissue, a clinical assay quantified the percentage of tumor cells expressing PD-L1 as tumor proportion score (TPS). Results: Between 1 March 2013 and 18 September 2015, 101 patients received pembrolizumab 2 mg/kg Q3W (n = 6), 10 mg/kg Q3W (n = 49), or 10 mg/kg Q2W (n = 46). Of these, 27 (26.7%) had TPS ≥50%, 52 (51.5%) had TPS 1%-49%, and 12 (11.9%) had TPS <1%. The objective response rate (ORR) was 27% (27/101, 95% CI 18-37) and median overall survival was 22.1 months (95% CI 17.1-27.2). In patients with PD-L1 TPS ≥50%, ORR, 12-month PFS, and 12-month OS were higher [14/27 (51.9%; 95% CI 32%-71%), 54%, and 85%, respectively] than the overall population [27/101 (26.7%; 95% CI 18.4%-36.5%), 35%, 71%]. Pembrolizumab was well tolerated, with only 12 (11.9%) patients experiencing grade 3/4 treatment-related adverse events and no treatment-related deaths. Conclusions: Pembrolizumab provides promising long-term OS benefit with a manageable safety profile for PD-L1-expressing treatment-naive advanced NSCLC, with greatest efficacy observed in patients with TPS ≥50%. Clinical trial name and number: KEYNOTE-001 (ClinicalTrials.gov, NCT01295827).

Long-term survival in advanced non-squamous NSCLC patients treated with first-line bevacizumab-based therapy

Background/Aim. First-line bevacizumab-based therapies have been shown to improve clinical outcomes in patients with non-squamous non-small-cell lung cancer (NSCLC). We aimed to descriptively analyse patients with non-squamous NSCLC who received a long-term period of maintenance bevacizumab. Patients and methods. This retrospective study included 104 patients who had already reached a progression-free survival (PFS) of at least 9 months. Results. Median overall survival and PFS were 30.7 and 15.1 months, respectively. The overall response rate was 83 %. Weight loss ≤5 %, ECOG PS = 0, or low number of metastatic sites seem to be predictive factors of good evolution. The incidence of bevacizumab-related adverse events appeared to be similar as the previous studies. Conclusion. Our findings show that there is a long-term survivor group whom the administration of bevacizumab resulted in a relevant prolongation of response without new safety signals. Due to the population heterogeneity, it was not possible to identify the standardised predictive factors (AU)

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Long-term survival in advanced non-squamous NSCLC patients treated with first-line bevacizumab-based therapy.

BACKGROUND/AIM: First-line bevacizumab-based therapies have been shown to improve clinical outcomes in patients with non-squamous non-small-cell lung cancer (NSCLC). We aimed to descriptively analyse patients with non-squamous NSCLC who received a long-term period of maintenance bevacizumab. PATIENTS AND METHODS: This retrospective study included 104 patients who had already reached a progression-free survival (PFS) of at least 9 months. RESULTS: Median overall survival and PFS were 30.7 and 15.1 months, respectively. The overall response rate was 83 %. Weight loss ≤5 %, ECOG PS = 0, or low number of metastatic sites seem to be predictive factors of good evolution. The incidence of bevacizumab-related adverse events appeared to be similar as the previous studies. CONCLUSION: Our findings show that there is a long-term survivor group whom the administration of bevacizumab resulted in a relevant prolongation of response without new safety signals. Due to the population heterogeneity, it was not possible to identify the standardised predictive factors.

A phase II randomized study evaluating the addition of iniparib to gemcitabine plus cisplatin as first-line therapy for metastatic non-small-cell lung cancer.

BACKGROUND: Iniparib is a novel anticancer agent initially considered a poly (ADP-ribose) polymerase (PARP) inhibitor, but subsequently shown to act via non-selective protein modification through cysteine adducts. This randomized phase II study investigated the addition of iniparib to gemcitabine-cisplatin in metastatic non-small-cell lung cancer (NSCLC) patients. PATIENTS AND METHODS: Patients with histologically confirmed stage IV NSCLC were randomized 2 : 1 to receive gemcitabine (1250 mg/m(2), days 1/8) and cisplatin (75 mg/m(2), day 1) with [gemcitabine/cisplatin/iniparib (GCI)] or without [gemcitabine/cisplatin (GC)] iniparib (5.6 mg/kg, days 1/4/8/11) every 3 weeks for six cycles. The primary end point was the overall response rate (ORR). Secondary objectives included progression-free survival (PFS), overall survival (OS), and safety. The study was not designed for formal efficacy comparison, the control arm being to benchmark results against the literature. RESULTS: One hundred and nineteen patients were randomized (39 GC and 80 GCI). More GCI patients were male (80% GCI and 67% GC) and had PS 0 (61% GCI and 49% GC). The ORR was 25.6% [95% confidence interval (CI) 13.0%-42.1%] with GC versus 20.0% (95% CI 11.9%-30.4%) with GCI, which did not allow rejection of the null hypothesis (ORR with GCI ≤20%; P = 0.545). Median PFS was 4.3 (95% CI 2.8-5.6) months with GC and 5.7 (95% CI 4.6-6.6) months with GCI (hazard ratio 0.89, 95% CI 0.56-1.40). Median OS was 8.5 (95% CI 5.5 to not reached) months with GC, and 12.0 (95% CI 8.9-17.1) months with GCI (hazard ratio 0.78, 95% CI 0.48-1.27). More GCI patients received second-line treatment (51% GC and 68% GCI). Toxicity was similar in the two arms. Grade 3-4 toxicities included asthenia (28% GC and 8% GCI), nausea (3% GC and 14% GCI), and decreased appetite (10% in each). CONCLUSIONS: Addition of iniparib to GC did not improve ORR over GC alone. The GCI safety profile was comparable to GC alone. Imbalances in PS and gender distribution may have impacted study results regarding PFS and OS. TRIAL REGISTRATION: ClinicalTrial.gov Identifier NCT01086254.

Beyond EGFR TKI in EGFR-mutant non-small cell lung cancer patients: main challenges still to be overcome.

First line epidermal growth factor receptor tyrosine kinase inhibitor (EGFR TKI) is the standard treatment in advanced EGFR-mutant Non Small Cell Lung Cancer (NSCLC) patients, with an improvement in response rate, progression free survival, and quality of life compared with upfront chemotherapy. However, in the real world, EGFR mutation results often return positive once chemotherapy has been started. Different clinical strategies have been tested in this situation: reserve the EGFR TKI until tumor become resistant beyond chemotherapy, stop chemotherapy and switch to EGFR TKI, introduce the EGFR TKI as a maintenance treatment, or combined strategies such as intercalated or concurrent EGFR TKI plus chemotherapy. In this review, we aim to summarize the clinical evidence of first line treatment strategy with EGFR TKI and discuss the potential options in the sequence of treatment in EGFR-mutant patients.

Non-small-cell lung cancer harbouring mutations in the EGFR kinase domain

Key "driver" mutations have been discovered in specific subgroups of non-small-cell lung cancer (NSCLC) patients. Activating mutations in the form of deletions in exon 19 (del 19) or the missense mutation L858R in the tyrosine kinase domain of the epidermal growth factor receptor (EGFR) predict outcome to EGFR tyrosine kinase inhibitors (TKIs) such as gefitinib and erlotinib. Pooled data from several phase II studies show that gefitinib and erlotinib induce responses in over 70% of NSCLC patients harbouring EGFR mutations, with progression-free survival (PFS) ranging from 9 to 13 months and median survival of around 23 months. Two studies in Caucasian and Asian patients have confirmed that these subgroups of patients attain response rates of 70% with erlotinib and ge- fitinib, including complete responses, PFS up to 14 months and median survival up to 27 months. These landmark outcomes have been accompanied by new challenges: the additional role of chemotherapy and the management of tumours with the secondary T790M mutation that confers resistance to EGFR TKIs. Mechanisms of resistance to reversible EGFR TKIs should be further clarified and could be related to modifications in DNA repair. The presence of double mutations (T790M plus either L858R or del 19) at the time of diagnosis could be much more frequent than originally thought. The sensitivity to EGFR TKIs could be greatly influenced by the expression of genes involved in the repair of DNA double-strand breaks by homologous recombination and non-homologous end joining (AU)

Cancer antigen 125 associated with multiple benign and malignant pathologies.

BACKGROUND: Cancer antigen (CA) 125 tumor-associated antigen is a high molecular glycoprotein used for follow-up of epithelial ovarian cancer. The test is often requested as a differential diagnosis in patients with pleural or peritoneal fluid. This study analyzes the prevalence of CA-125 increases in a population of patients attending a general hospital and discusses the possible clinical implications of increased levels. METHODS: On 4 different days, 380 CA-125 assays were performed in randomly selected patients attending our hospital. Serum CA-125 was measured with a commercial enzyme immunoassay, and clinical records were reviewed for assessment of clinical parameters. RESULTS: Sixty-one patients (16%) had increased CA-125. The pathologies of these patients were heart failure in 9 (14.7%), lung disease 11 (18%), hepatic cirrhosis in 7 (11.4%), malignant tumors in 9 (14.7%), intra-abdominal nonhepatic disease in 6 (10%), previous surgery in 17 (27.8%), and miscellaneous in 2 (3%). Effusions were seen in 34 patients (55.7%). CONCLUSIONS: Our data confirm the variety of benign and malignant pathologies coursing with increased CA-125. Cardiovascular and chronic liver disease were the most frequent diagnoses in patients with increased CA-125; this supports the opinion that CA-125 lacks utility as a marker for malignancy. CA-125 could have a role in the follow-up of cardiovascular, hepatic, and tumoral diseases with serosal involvement.