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PHOTOSTENT-02: porfimer sodium photodynamic therapy plus stenting versus stenting alone in patients with locally advanced or metastatic biliary tract cancer.

ABSTRACT: Endobiliary stenting is standard practice for palliation of obstructive jaundice due to biliary tract cancer (BTC). Photodynamic therapy (PDT) may also improve biliary drainage and previous small studies suggested survival benefit.To assess the difference in outcome between patients with BTC undergoing palliative stenting plus PDT versus stenting alone.92 patients with confirmed locally advanced or metastatic BTC, ECOG performance status 0-3 and adequate biliary drainage were randomised (46 per group) to receive porfimer sodium PDT plus stenting or stenting alone. The primary end point was overall survival (OS). Toxicity and progression-free survival (PFS) were secondary end points. Treatment arms were well balanced for baseline factors and prior therapy.No significant differences in grade 3-4 toxicities and no grade 3-4 adverse events due to PDT were observed. Thirteen (28%) PDT patients and 24 (52%) stent alone patients received subsequent palliative chemotherapy. After a median follow-up of 8.4 months, OS and PFS were worse in patients receiving PDT compared with stent alone group (OS median 6.2 vs 9.8 months (HR 1.56, 95%?CI 1.00 to 2.43, p=0.048) and PFS median 3.4 vs 4.3 months (HR 1.43, 95%?CI: 0.93 to 2.18, p=0.10), respectively).In patients with locally advanced or metastatic BTC, PDT was associated with worse outcome than stenting alone, explained only in part by the differences in chemotherapy treatments. We conclude that optimal stenting remains the treatment of choice for malignant biliary obstruction and the use of PDT for this indication cannot be recommended outside of clinical trials.ISRCTN 87712758; EudraCT 2005-001173-96; UKCRN ID: 1461.

SUBMITTER: Pereira SP

PROVIDER: S-EPMC6069917 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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PHOTOSTENT-02: porfimer sodium photodynamic therapy plus stenting versus stenting alone in patients with locally advanced or metastatic biliary tract cancer.

Pereira Stephen P SP Jitlal Mark M Duggan Marian M Lawrie Emma E Beare Sandy S O'Donoghue Pam P Wasan Harpreet S HS Valle Juan W JW Bridgewater John J Ramage John J Przemioslo Robert R Hammonds Richard R Aithal Guru G Murphy Frank F Foster Graham G Sturgess Richard R

ESMO open 20180723 5

<h4>Background</h4>Endobiliary stenting is standard practice for palliation of obstructive jaundice due to biliary tract cancer (BTC). Photodynamic therapy (PDT) may also improve biliary drainage and previous small studies suggested survival benefit.<h4>Aims</h4>To assess the difference in outcome between patients with BTC undergoing palliative stenting plus PDT versus stenting alone.<h4>Methods</h4>92 patients with confirmed locally advanced or metastatic BTC, ECOG performance status 0-3 and ad ...[more]

PMID: 30094069

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Project description:The purpose of radiation therapy for unresectable biliary tract cancer is to prolong survival or prolong stent patency, and to provide palliation of pain. For unresectable bile duct cancer, there are a number of studies showing that radiation therapy is superior to the best supportive care. Although radiation therapy is used in many institutions, no large randomized controlled trials (RCTs) have been performed to date and the evidence level supporting the superiority of this treatment is low. Because long-term relief of jaundice is difficult without using biliary stenting, a combination of radiation therapy and stent placement is commonly used. As radiation therapy, external-beam radiation therapy is usually performed, but combined use of intraluminal brachytherapy with external beam radiation therapy is more useful for making the treatment more effective. There are many reports demonstrating improved response rates as well as extended survival and time to recurrence achieved by this combination therapy. Despite the low level of the evidence, this combination therapy is performed at many institutions. It is expected that multi-institutional RCTs will be carried out. Unresectable gallbladder cancer with a large focus is usually extensive, and normal organs with high radio sensitivity exist contiguously with it. Therefore, only limited anticancer effects are to be expected from external beam radiation therapy for this type of cancer. The number of reports on ampullary cancer is small and the role of radiation therapy in this cancer has not been established. Combination treatment for ampullary cancer consists of either a single use of intraoperative radiation therapy, postoperative external beam radiation therapy or intraluminal brachytherapy, or a combination of two or three of these therapies. Intraoperative radiation therapy is superior in that it enables precise irradiation to the target site, thereby protecting adjacent highly radiosensitive normal tissues from irradiation. There are reports showing extended survival, although not significant, in groups undergoing intraoperative or postoperative radiation therapy compared with groups without radiation therapy. To date, there are no reports of large RCTs focusing on the significance of radiation therapy as a postoperative adjuvant treatment, so its usefulness as a postoperative adjuvant treatment is not proven. An alternative treatment is photodynamic therapy. There is an RCT demonstrating that, in unresectable bile duct cancer, extended survival and improved quality of life (QOL) have been achieved through a combination of photodynamic therapy and biliary stenting, compared with biliary stenting alone. Results from large RCTs are desired.

Project description:LESSONS LEARNED:Ramucirumab plus pembrolizumab revealed no unexpected safety findings in patients with advanced or metastatic biliary tract cancer, which is consistent with reports of other tumor cohorts within this phase Ia/b trial.Ramucirumab plus pembrolizumab did not demonstrate an improvement in overall survival when compared with historical controls in biomarker unselected, heavily pretreated patients with advanced or metastatic biliary tract cancer.Patients with programmed death-ligand 1 (PD-L1)-positive tumors had improved overall survival compared with patients with PD-L1-negative disease. BACKGROUND:Few treatment options exist for patients with advanced biliary tract cancer (BTC) following progression on gemcitabine-cisplatin. Preclinical evidence suggests that simultaneous blockade of vascular endothelial growth factor receptor 2 (VEGFR-2) and programmed death 1 (PD-1) or programmed death-ligand 1 (PD-L1) enhances antitumor effects. We assessed the safety and efficacy of ramucirumab, an IgG1 VEGFR-2 antagonist, with pembrolizumab, an IgG4 PD-1 antagonist, in biomarker-unselected patients with previously treated advanced or metastatic BTC. METHODS:Patients had previously treated advanced or metastatic adenocarcinoma of the gallbladder, intrahepatic and extrahepatic bile ducts, or ampulla of Vater. Ramucirumab 8 mg/kg was administered intravenously on days 1 and 8 with intravenous pembrolizumab 200 mg on day 1 every 3 weeks. The primary endpoint was safety and tolerability of the combination. Secondary endpoints included objective response rate (ORR), progression-free survival (PFS), and overall survival (OS). RESULTS:Twenty-six patients were treated at 12 centers in five countries. Hypertension was the most common grade 3 treatment-related adverse event (TRAE), occurring in five patients. One patient experienced a grade 4 TRAE (neutropenia), and no treatment-related deaths occurred. Objective response rate was 4%. Median progression-free survival and overall survival were 1.6 months and 6.4 months, respectively. CONCLUSION:Ramucirumab-pembrolizumab showed limited clinical activity with infrequent grade 3-4 TRAEs in patients with biomarker-unselected progressive BTC.

Project description:ImportanceThe NIFTY trial demonstrated the benefit of treatment with second-line liposomal irinotecan (nal-IRI) plus fluorouracil (FU) and leucovorin (LV) for patients with advanced biliary tract cancer (BTC).ObjectiveTo report the updated efficacy outcomes from the NIFTY trial with extended follow-up of 1.3 years with reperformed masked independent central review (MICR) with 3 newly invited radiologists.Design, setting, and participantsThe NIFTY trial was a randomized, multicenter, open-label, phase 2b clinical trial conducted between September 5, 2018, and December 31, 2021, at 5 tertiary referral centers in South Korea. Patients with advanced BTC whose disease progressed while receiving first-line gemcitabine plus cisplatin with at least 1 measurable lesion per Response Evaluation Criteria in Solid Tumors, version 1.1, were eligible. Data analysis was completed on May 9, 2022.InterventionsPatients were randomized 1:1 to receive LV, 400 mg/m2, bolus and FU, 2400 mg/m2, for a 46-hour infusion intravenously every 2 weeks with or without nal-IRI, 70 mg/m2, before LV intravenously. Patients were treated until disease progression or unacceptable toxic effects.Main outcomes and measuresPrimary end point was progression-free survival (PFS) as assessed by MICR. Secondary end points were PFS as assessed by the investigator, overall survival, and objective response rate.ResultsA total of 178 patients (75 women [42.1%]; median [IQR] age, 64 [38-84] years) were randomly assigned, and 174 patients were included in the full analysis set (88 patients [50.6%] in the nal-IRI plus FU/LV group vs 86 patients [49.4%] in the FU/LV alone group). In this updated analysis, the median MICR-assessed PFS was 4.2 months (95% CI, 2.8-5.3) for the nal-IRI plus FU/LV group and 1.7 months (95% CI, 1.4-2.6) for the FU/LV alone group (hazard ratio, 0.61; 95% CI, 0.44-0.86; P = .004), in contrast to the 7.1 and 1.4 months reported in the previous study, respectively. The discordance rate for tumor progression date between the MICR and investigators was 17.8% (vs 30% in the previous study).Conclusions and relevanceThe NIFTY randomized clinical trial demonstrated significant improvement in PFS with treatment with nal-IRI plus FU/LV compared with FU/LV alone for patients with advanced BTC after progression to gemcitabine plus cisplatin. The combination of nal-IRI plus FU/LV could be considered as a second-line treatment option for patients with previously treated advanced BTC.Trial registrationclinicaltrials.gov Identifier: NCT03524508.

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PHOTOSTENT-02: porfimer sodium photodynamic therapy plus stenting versus stenting alone in patients with locally advanced or metastatic biliary tract cancer.

Publications

PHOTOSTENT-02: porfimer sodium photodynamic therapy plus stenting versus stenting alone in patients with locally advanced or metastatic biliary tract cancer.

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