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Adjuvant chemotherapy has not improved disease-free survival among patients with resected esophageal or gastroesophageal junction cancer. In this trial, after neoadjuvant chemoradiotherapy and resection, patients with residual disease were randomly assigned to receive nivolumab or placebo. Nivolumab doubled the median disease-free survival from 11.0 to 22.4 months.

BackgroundHepatic artery infusion (HAI) combined with systemic chemotherapy is a treatment strategy for patients with unresectable liver-only or liver-dominant colorectal liver metastases (CRLM). Although HAI has previously been performed in only a few centers, this study aimed to describe patient selection and initial perioperative outcomes during implementation of a new HAI program.MethodsThe study enrolled patients with CRLM selected for HAI after multi-disciplinary review November 2018–January 2020. Demographics, prior treatment, and perioperative outcomes were assessed. Objective hepatic response was calculated according to Response Evaluation Criteria in Solid Tumors (RECIST) 1.1.ResultsDuring a 14-month period, 21 patients with CRLM underwent HAI pump placement. Of these 21 patients, 20 (95%) had unresectable disease. Most of the patients had synchronous disease (n = 18, 86%) and had received prior chemotherapy (n = 20, 95%) with extended treatment cycles (median 16; interquartile range, 8–22; range, 0–66). The median number of CRLMs was 7 (range, 2–40). Operations often were performed with combined hepatectomy (n = 4, 19%) and/or colectomy/proctectomy (n = 11, 52%). The study had no 90-day mortality. The overall surgical morbidity was 19%. The HAI-specific complications included pump pocket seroma (n = 2), hematoma (n = 1), surgical-site infection (n = 1), and extrahepatic perfusion (n = 1). HAI was initiated in 20 patients (95%). The hepatic response rates at 3 months included partial response (n = 4, 24%), stable disease (n = 9, 53%), and progression of disease (n = 4, 24%), yielding a 3-month hepatic disease control rate (DCR) of 76%.ConclusionImplementation of a new HAI program is feasible, and HAI can be delivered safely to selected patients with CRLM. The initial response and DCR are promising, even for patients heavily pretreated with chemotherapy.

PurposeColorectal cancer survivors report pain and psychological distress to be burdensome long-term cancer consequences. Quality cancer survivorship care includes interventions for managing these symptoms. Yet, no studies have tested the efficacy of an accessible behavioral intervention for colorectal cancer survivors with pain and comorbid psychological distress. This paper reports on the feasibility (i.e., accrual, attrition, and adherence to study procedures), engagement, acceptability, and descriptive outcomes of a telephone-based coping skills training (CST) intervention.MethodsThis randomized pilot trial assigned colorectal cancer patients (N=31) to 5 sessions of CST or standard care. CST sessions focused on cognitive-behavioral theory-based coping skills tailored to colorectal cancer symptoms of pain and psychological distress. Participants completed assessments of pain severity, self-efficacy for pain management, health-related quality of life, and psychological distress at baseline, post-treatment, and 3-month follow-up.ResultsData indicated strong feasibility, evidenced by high completion rates for intervention sessions and assessments (93% completed all sessions; M=48.7 days; baseline=100%; post-treatment=97%; 3-month follow-up=94%). Participants demonstrated robust engagement with CST (M days per week with reported skills use=3.8) and reported high protocol satisfaction (M=3.6/4.0). Descriptive statistics showed self-efficacy for pain management and health-related quality of life improved for all participants.ConclusionFindings suggest that a telephone-based CST intervention has strong feasibility, evidenced by accrual, low attrition, and adherence to intervention sessions and assessments. Likewise, participant engagement and acceptability with CST were high. These data provide a foundation for larger randomized efficacy trials of the telephone-based CST intervention.

Virtual reality (VR) has the potential to improve pain and pain-related symptoms. We examined the feasibility, acceptability, safety, and impact of a 30-min virtual underwater/sea environment (VR Blue) for reducing pain and pain-related symptoms in advanced colorectal cancer patients. A qualitative exit interview was conducted to understand preferences, thoughts, and feelings about the VR session. Participants ( = 20) had stage IV colorectal cancer and moderate-to-severe pain. Participants completed a 30-min VR Blue session that visually and aurally immersed them in virtual ocean scenarios. Feasibility was assessed by accrual ( = 20), protocol adherence (≥80% completing VR Blue), and completed data (≥80% assessment completion). Acceptability was determined by patients reporting ≥80% intervention satisfaction. Safety was determined by ≥80% of patients completing the session without self-reported side effects. Measures of pain, tension, relaxation, stress, anxiety, and mood were collected before, during, and after the VR Blue session. A semi-structured qualitative interview was conducted after VR Blue to assess participants' VR experiences. All participants (100%) completed the VR Blue session. There was 100% data collection at the pre- and post-assessments. Satisfaction with VR Blue was high = 3.3 (SD = 0.4) (83%). No significant side effects were reported. Pain decreased by 59% (Pre- = 3 [1]; Post- = 1 [1]). Tension decreased by 74% (Pre- = 30 [24]; Post- = 8 [13]). Relaxation improved by 38% (Pre- = 62 [21]); Post- = 86 [17]). Stress decreased by 68% (Pre- = 24 [24]; Post- = 8 [14]). Anxiety decreased by 65% (Pre- = 20 [23]; Post- = 7 [13]). Mood improved by 70% (Pre- = 13 [16]; Post- = 4 [11]). Qualitative data suggested a positive response to the VR Blue protocol. This work supports the feasibility, acceptability, and safety of VR Blue for advanced colorectal cancer patients. Participants showed significant pre-post improvement in pain and pain-related symptoms hinting to the potential feasibility of VR interventions in this population. Larger, randomized trials with a control condition are needed to examine the efficacy of VR-based interventions for patients with advanced colorectal cancer and pain.

Biomarker-enriched, chemotherapy-free treatments for patients with advanced gastric and gastroesophageal junction cancer have not been widely explored. In this multicenter, phase 2 trial (NCT04363801), we evaluated the efficacy and safety of second-line doublet immunotherapy, combining DKN-01, an immunomodulating antibody targeting Dickkopf-related protein 1 (DKK1), with the anti-programmed cell death-1 (PD1) antibody, tislelizumab in patients with advanced gastric/gastroesophageal junction cancer and elevated tumor DKK1 expression, a putative predictive biomarker for DKN-01. Here we report part B (second line cohort) of the larger DisTinGuish trial. The primary endpoint was safety and tolerability, with secondary endpoints including objective response rate (ORR), overall survival (OS), progression free survival (PFS), and disease control rate (DCR). The trial met the prespecified primary endpoint. In the safety population ( n  = 52), 21 (40.4%) patients reported at least 1 DKN-01-related adverse event, most of which were low-grade, with fatigue (15.4%) and nausea (9.6%) being most common. The ORR was 21.7% in the overall population ( n  = 46) and 31.8% in the programmed death-ligand 1 (PD-L1) ≥ 5% population. The median OS was 8.2 months, median PFS 1.4 months, and DCR rate 34.8% in the overall population. Although exploratory, the results of this trial compare favorably against second-line benchmarks of Keynote-061 and RAINBOW and support the safety and tolerability of DKN-01 combined with tislelizumab. Dickkopf-related protein 1 (DKK1) is a secreted protein associated with poorer outcomes in patients with gastric cancer. Here, the authors report part B of the DisTinGuish phase II trial reporting the safety and efficacy of DKN-01 (DKK1 neutralising antibody) in combination with tislelizumab (anti-PD-1) in patients with advanced gastric/gastoesophageal junction cancer and elevated DKK1 expression.

We searched MEDLINE, EMBASE and the Cochrane Controlled Trials Register to determine whether oxygen relieves dyspnoea in mildly or non-hypoxemic COPD and included 18 randomised controlled trials (431 participants) in the meta-analysis using Cochrane methodology. Oxygen therapy reduced dyspnoea when compared with medical air; standardised mean difference −0.37 (95% CI −0.50 to −0.24; I2=14%). In a priori subgroup and sensitivity analyses, dyspnoea was reduced by continuous oxygen during exertion but not short-burst oxygen therapy. Continuous exertional oxygen can relieve dyspnoea in mildly or non-hypoxemic COPD, but evidence from larger clinical trials is needed.

Background The optimal approach to patients with locally recurrent, non-metastatic rectal cancer is unclear. This study evaluates the outcomes and toxicity associated with pelvic re-irradiation. Methods Patients undergoing re-irradiation for locally recurrent, non-metastatic, rectal cancer between 2000 and 2014 were identified. Acute and late toxicities were assessed using common terminology criteria for adverse events version 4.0. Disease-related endpoints included palliation of local symptoms, surgical outcomes, and local progression-free survival (PFS), distant PFS and overall survival (OS) using the Kaplan–Meier method. Results Thirty-three patients met the criteria for inclusion in this study. Two (6 %) experienced early grade 3+ toxicity and seven (21 %) experienced late grade 3+ toxicity. Twenty-three patients presented with symptomatic local recurrence and 18 (78 %) reported symptomatic relief. Median local PFS was 8.7 (95 % CI 3.8–15.2) months, with a 2-year rate of 15.7 % (4.1–34.2), and median time to distant progression was 4.4 (2.2–33.3) months, with a 2-year distant PFS rate of 38.9 % (20.1–57.3). Median OS time for patients was 23.1 (11.1–33.0) months. Of the 14 patients who underwent surgery, median survival was 32.3 (13.8–48.0) months compared with 13.3 (2.2–33.0) months in patients not undergoing surgery ( p  = 0.10). A margin-negative (R0) resection was achieved in 10 (71 %) of the surgeries. Radiation treatment modality (intensity-modulated radiation therapy, three-dimensional conformal radiotherapy, intraoperative radiation therapy) did not influence local or distant PFS or OS. Conclusion Re-irradiation is a beneficial treatment modality for the management of locally recurrent, non-metastatic rectal cancer. It is associated with symptom improvement, low rates of toxicity, and similar benefits among radiation modalities.

PurposeTreatment for gastroesophageal adenocarcinomas can result in significant morbidity and mortality. The purpose of this study is to supplement methods for choosing treatment strategy by assessing the relationship between CT-derived body composition, patient, and tumor features, and clinical outcomes in this population.MethodsPatients with neoadjuvant treatment, biopsy-proven gastroesophageal adenocarcinoma, and initial staging CTs were retrospectively identified from institutional clinic encounters between 2000 and 2019. Details about patient, disease, treatment, and outcomes (including therapy tolerance and survival) were extracted from electronic medical records. A deep learning semantic segmentation algorithm was utilized to measure cross-sectional areas of skeletal muscle (SM), visceral fat (VF), and subcutaneous fat (SF) at the L3 vertebra level on staging CTs. Univariate and multivariate analyses were performed to assess the relationships between predictors and outcomes.Results142 patients were evaluated. Median survival was 52 months. Univariate and multivariate analysis showed significant associations between treatment tolerance and SM and VF area, SM to fat and VF to SF ratios, and skeletal muscle index (SMI) (p = 0.004–0.04). Increased survival was associated with increased body mass index (BMI) (p = 0.01) and increased SMI (p = 0.004). A multivariate Cox model consisting of BMI, SMI, age, gender, and stage demonstrated that patients in the high-risk group had significantly lower survival (HR = 1.77, 95% CI = 1.13–2.78, p = 0.008).ConclusionCT-based measures of body composition in patients with gastroesophageal adenocarcinoma may be independent predictors of treatment complications and survival and can supplement methods for assessing functional status during treatment planning.

Background Patients with chemotherapy refractory metastatic colorectal cancer (CRC) have a poor prognosis and limited therapeutic options. In this phase Ib/II clinical trial, we established the maximum tolerated dose (MTD) and recommended phase II dose (RPTD) for the combination of capecitabine and ziv-aflibercept, and then we evaluated the efficacy of the combination in patients with chemotherapy refractory metastatic CRC. Methods All patients were required to have a Karnofsky Performance Status >  70% and adequate organ function. The phase Ib dose escalation cohort included patients with advanced solid tumors who had progressed on all standard therapies. Using a standard 3 + 3 design, we identified the MTD and RPTD for the combination. Fifty patients with metastatic CRC who had progressed on or were intolerant of a fluoropyrimidine, oxaliplatin, irinotecan, and bevacizumab were then enrolled in a single-arm phase II expansion cohort, and were treated at the RPTD. Prior EGFR antibody therapy was required for subjects with RAS wildtype tumors. The primary endpoint for the expansion cohort was progression-free survival (PFS) at two months. Secondary endpoints included objective response rate (ORR) and overall survival (OS). Results A total of 63 patients were enrolled and evaluable for toxicity (13 dose escalation; 50 expansion). The MTD and RPTD were: capecitabine 850 mg/m2, P.O. bid, days 1–14, and ziv-aflibercept 6 mg/kg I.V., day 1, of each 21-day cycle. In the expansion cohort, 72% of patients were progression-free at two months (95% confidence interval [CI], 60–84%). Median PFS and OS were 3.9 months (95% CI, 2.3–4.5) and 7.1 months (95% CI: 5.8–10.0), respectively. Among all patients evaluable for toxicity, the most common treatment related adverse events (all grade [%]; grade ≥ 3 [%]) included palmar-plantar erythrodysesthesia (41%; 6%), hypertension (33%; 22%), and mucositis (19%; 5%). RNA was isolated from archived tumor specimens and gene expression analyses revealed no association between angiogenic biomarkers and clinical outcomes. Conclusion The combination of capecitabine and ziv-aflibercept at the RPTD demonstrated acceptable safety and tolerability. PFS at 2 months in patients with chemotherapy refractory metastatic CRC was significantly greater than that in historical controls, indicating that this combination warrants further study. Trial registration This clinical trial was registered in the www.clinicaltrials.gov system as NCT01661972 on July 31, 2012.