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Randomised, open-label, phase II study of gemcitabine with and without IMM-101 for advanced pancreatic cancer.

ABSTRACT: BACKGROUND:Immune Modulation and Gemcitabine Evaluation-1, a randomised, open-label, phase II, first-line, proof of concept study (NCT01303172), explored safety and tolerability of IMM-101 (heat-killed Mycobacterium obuense; NCTC 13365) with gemcitabine (GEM) in advanced pancreatic ductal adenocarcinoma. METHODS:Patients were randomised (2?:?1) to IMM-101 (10?mg?ml(-l) intradermally)+GEM (1000?mg?m(-2) intravenously; n=75), or GEM alone (n=35). Safety was assessed on frequency and incidence of adverse events (AEs). Overall survival (OS), progression-free survival (PFS) and overall response rate (ORR) were collected. RESULTS:IMM-101 was well tolerated with a similar rate of AE and serious adverse event reporting in both groups after allowance for exposure. Median OS in the intent-to-treat population was 6.7 months for IMM-101+GEM v 5.6 months for GEM; while not significant, the hazard ratio (HR) numerically favoured IMM-101+GEM (HR, 0.68 (95% CI, 0.44-1.04, P=0.074). In a pre-defined metastatic subgroup (84%), OS was significantly improved from 4.4 to 7.0 months in favour of IMM-101+GEM (HR, 0.54, 95% CI 0.33-0.87, P=0.01). CONCLUSIONS:IMM-101 with GEM was as safe and well tolerated as GEM alone, and there was a suggestion of a beneficial effect on survival in patients with metastatic disease. This warrants further evaluation in an adequately powered confirmatory study.

SUBMITTER: Dalgleish AG

PROVIDER: S-EPMC5046215 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Randomised, open-label, phase II study of gemcitabine with and without IMM-101 for advanced pancreatic cancer.

Dalgleish Angus G AG Stebbing Justin J Adamson Douglas Ja DJ Arif Seema Safia SS Bidoli Paolo P Chang David D Cheeseman Sue S Diaz-Beveridge Robert R Fernandez-Martos Carlos C Glynne-Jones Rob R Granetto Cristina C Massuti Bartomeu B McAdam Karen K McDermott Raymond R Martín Andrés J Muñoz AJ Papamichael Demetris D Pazo-Cid Roberto R Vieitez Jose M JM Zaniboni Alberto A Carroll Kevin J KJ Wagle Shama S Gaya Andrew A Mudan Satvinder S SS

British journal of cancer 20160906 7

<h4>Background</h4>Immune Modulation and Gemcitabine Evaluation-1, a randomised, open-label, phase II, first-line, proof of concept study (NCT01303172), explored safety and tolerability of IMM-101 (heat-killed Mycobacterium obuense; NCTC 13365) with gemcitabine (GEM) in advanced pancreatic ductal adenocarcinoma.<h4>Methods</h4>Patients were randomised (2 : 1) to IMM-101 (10 mg ml(-l) intradermally)+GEM (1000 mg m(-2) intravenously; n=75), or GEM alone (n=35). Safety was assessed on frequency and ...[more]

PMID: 27599039

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Project description:PurposeAs a novel small-molecule vascular endothelial growth factor receptor-2 tyrosine kinase inhibitor (VEGFR2-TKI), Methylsulfonic apatinib (apatinib) exhibits a specific antitumor effect in various solid tumors via inhibition of angiogenesis. The present study was performed to evaluate the clinical efficacy and safety of apatinib in the treatment of advanced cholangiocarcinoma after failed gemcitabine-based chemotherapy.Patients and methodsThis was a prospective open-label phase II trial (NCT03521219). A total of 32 patients, in whom gemcitabine-based first-line chemotherapy for advanced intrahepatic cholangiocarcinoma had failed, were consecutively enrolled in a prospective, open, exploratory, and single-center clinical trial from November 2017 to November 2018. They were treated with apatinib mesylate second-line monotherapy (orally, 500 mg per day for a cycle of 28 days) until progressive disease or unacceptable toxicity. Using Response Evaluation Criteria in Solid Tumor version 1.1 (RECIST 1.1) and the Common Terminology Criteria for Adverse Events version 4.0 (NCI-CTCAE 4.0), the efficacy and adverse were evaluated, respectively. Kaplan-Meier method was used for survival analysis.ResultsTwenty-six patients were enrolled in full analysis set. At the end of follow-up, two patients were lost to follow-up, 24 of 26 patients in FAS were included in efficacy analyses. For the efficacy analysis set, the objective response rate (ORR) was 20.8% [95% confidence interval (CI): 9.24-40.47%] and the disease control rate (DCR) was 62.5% (95% CI: 112.86-387.14 days). One patient (4%) showed complete response (CR), 4 patients (17%) showed partial response (PR), 10 patients (41.7%) stable disease (SD), and 9 patients (37.5%) had progressive disease (PD). Meanwhile, apatinib therapy achieved the median progression-free survival PFS was 95 days (95% CI: 79.70-154.34 days), and the median OS was 250 days (95% CI: 112.86-387.14 days). Furthermore, univariate analysis revealed that age and tumor's anatomic location significantly affected PFS (P < 0.05). The most common clinically adverse events (AEs) included myelosuppression (69.2%), hypertension (57.7%), proteinuria (46.2%). The AEs were mild, mainly in grade 1 or 2, and no toxicity-induced death occurred.ConclusionApatinib monotherapy is an effective and promising regimen for treating patients with advanced cholangiocarcinoma who experienced failure of gemcitabine-based chemotherapy.

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Dataset Information

Randomised, open-label, phase II study of gemcitabine with and without IMM-101 for advanced pancreatic cancer.

Publications

Randomised, open-label, phase II study of gemcitabine with and without IMM-101 for advanced pancreatic cancer.

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