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NCT ID: NCT05117723 Recruiting - IPMN Clinical Trials

Intraductal Papillary Mucinous Neoplasm (IPMN) Database - A Tool to Predict Pancreatic Cancer

MAPS
Start date: August 26, 2021
Phase:
Study type: Observational [Patient Registry]

Pancreatic cancer is the 5th leading cause of cancer death in Australia. Surgery remains the most effective treatment for early pancreatic cancer and currently the only potential for cure. Unfortunately, many patients present with advanced disease and are not suitable for surgery. Therefore, it is vital to detect these cancers early. In the absence of significant data from prospective studies, all of the guidelines are based on a critical review of available data and consensus of experts. The primary aim is to delineate the progression of IPMN to pancreatic malignancy as confirmed by surgical pathology, radiology and biochemical diagnosis. The secondary aims are (i) To outline the management of IPMNs for those who have progressed straight to surgery or surveillance by endoscopic ultrasound (EUS) (ii)To validate the International consensus guidelines for management of IPMN - Fukuoka consensus guidelines and tertiary aim to identify potential risk factors, if any that increase risk of malignancy within the IPMNs.

NCT ID: NCT04993846 Recruiting - Pancreatic Cancer Clinical Trials

Pancreatic Cancer and Oral Microbiome

Start date: July 26, 2021
Phase:
Study type: Observational

Pancreatic cancer (PC) is a solid malignancy with a dismal prognosis. It has a 5-year survival rate of approximately 8%. This is due to the usually late diagnosis, to chemoresistance, and to intrinsic biological aggressiveness. Risk factors for PC are smoking, alcohol, chronic pancreatitis, obesity, and diabetes. Recently, research has been dedicated to the identification of a causal connection between certain pathogenic microorganisms, especially of the oral flora, and PC. This would ultimately allow to identify new biomarkers to adopt for early diagnosis, or to create new strategies for prevention. Oral microbiota, periodontal disease and neoplastic risk When referring to "oral microbiota" (OM), about 700 hundreds bacterial species are mentioned, colonizing the oral cavity. A change in the normal flora of the oral cavity is commonly indicated with the term "dysbiosis". The causal connection between oral microbiota, periodontal disease and neoplastic risk is possibly triple. First, it has been found that oral flora substantially differentiates between cancer patients and controls. In particular, the most predominant phyla in cancer patients are Firmicutes and Actinobacteria, whereas Proteobacteria, Fusobacteria, and Bacteroides are more common in healthy controls. This highlights the possibility of a direct causal connection between dysbiosis and neoplastic risk. Second, oral dysbiosis represents the main risk factor of PD that per sé is a risk factor of many cancers. Third, the conditions leading to oral dysbiosis (alcohol, smoking, obesity, diabetes, chronic drugs intake, dietary habits, etc.) are the most well known risk factors either for cancer and oral dysbiosis. The common denominator is always represented by chronic inflammation and migration of microorganisms to distant sites, ultimately promoting neoplastic progression. This tangled net of causal connections sheds light on the potential important role of the oral cavity and PD as independent risk factors for many cancers, and as modifiable elements to reduce the neoplastic risk and to perform prevention(15). Oral microbiota, periodontal disease and pancreatic cancer In 2012, the pioneering study by Farrell et al. showed that bacteria of the OM can discriminate PC patients from healthy subjects. Since then, few other studies have shown that changes of the OM are independent risk factors for PC and that the OM of PC patients differs than controls. The involved bacterial species are many and their role seems to be contrasting on the basis of the study considered. Farrell et al. found that the combined adoption of Neisseria elongata and Streptococcus mitis distinguished PC patients from healthy controls (both showed low levels in PC patients, AUC of combined sensitivity 0.9), and that higher levels of Granulicatella adiacens and Streptococcus Mitis distinguished PC patients from chronic pancreatitis ones. Torres et al. found a higher ratio of Leptotrichia to Porphyromonas in PC patients. Fan et al. reported that Porphyromonas gingivalis, Prevotella intermedia, Alloprevotella and Aggregatibacter actinomycetemcomitans are associated with a higher risk of PC, whereas Fusobacteria and Leptotrichia were associated with a decreased risk. Another study evaluating the diversity of OM in three groups of individuals (PC patients, patients suffering from Intraductal papillary mucinous neoplasms [a pancreatic preneoplastic condition], and healthy controls), excluding current smokers and users of antibiotics, found no differences in the OM, although patients with PC had a higher proportion of Firmicutes compared with Intraductal Papillary Mucinous Neoplasms (IPMNs) and controls. Lastly, a recent study by Gaiser et al. showed that the cystic fluid of patients submitted to surgery for IPMNs contained bacterial species that are commonly found in the oral cavity, including, among the others, Granulicatella adiacens, Fusobacterium nucleatum. These two, in particular, were higher in the cohort of individuals with IPMNs with high-grade dysplasia, indicating a pivotal role in tumorigenesis(19). As regards PD, the first studies demonstrating an association between PD and PC date back to the mid of 2000's, and they were confirmed afterward, even adjusting confounders such as diabetes, pancreatitis, hyperlipemia, smoking or alcohol-related conditions. PD is strictly connected to oral hygiene, that seems to be associated to an increased risk of PC. It is now clear that PD can concur to development of PC in several ways, promoting chronic inflammation, spreading continuously to distant organs (including pancreas) pro-tumorigenic bacteria, or promoting a chronic alteration of the immune function that make the individual more prone to develop a cancer.

NCT ID: NCT04306939 Suspended - Clinical trials for Rheumatoid Arthritis

Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study

GREAT1
Start date: November 1, 2014
Phase:
Study type: Observational

This is a prospective, descriptive, observational research study designed to observe and document the clinical practice by domain experts, and how the knowledge of new findings that are published in the medical literature affect clinical decision making. The study will evaluate risk factors and co-variants, including genetic variants that are associated with disease progression such as pain, inflammation, organ dysfunction, disability and quality of life.

NCT ID: NCT04207944 Recruiting - IPMN Clinical Trials

The Prevention of Progression to Pancreatic Cancer Trial (The 3P-C Trial)

Start date: July 10, 2020
Phase: Phase 2
Study type: Interventional

This is a multi-center randomized double-blind placebo controlled trial of patients with high-risk intraductal papillary mucinous neoplasms (IPMNs) of the pancreas. The primary objective is to evaluate the effect of sulindac on the presence or absence of progression of IPMN after up to 3 years of treatment. Patients without contraindications will be considered to be eligible and will be required to have a cross-sectional imaging study of the pancreas by CT scan or MRI within 3 months of study entry to document residual IPMNs and to rule out any evidence of pancreatic cancer. Patients will be randomized to receive either sulindac (200 mg p.o. BID) plus standard radiographic and endoscopic surveillance or placebo plus standard radiographic and endoscopic surveillance. Randomization will be stratified by (1) whether the patient had high-grade dysplasia identified in the initial resection specimen (resected patients only) and (2) whether the patient is taking metformin at the time of randomization.

NCT ID: NCT03914950 Completed - Pancreatic Cancer Clinical Trials

TOF-18F-FDG-PET/CT in Patients With Suspected Pancreatic Cancer

TOF-P
Start date: February 7, 2014
Phase: N/A
Study type: Interventional

Aim of the prospective study is a better differentiation of benign and malignant lesions in the pancreas in patients with suspected pancreatic cancer using images 30 and 90 min p.i. (post injectionen) and a diagnostic CT (computed tomography) scan of the abdomen within the Time of Flight (TOF)-18F-FDG-PET/CT and thus an improvement of the quality of PET/CT findings.

NCT ID: NCT03578445 Completed - Clinical trials for Pancreatic Adenocarcinoma

Utility of EUS-guided Microbiopsies in Pancreatic Cystic Lesions

Start date: February 1, 2018
Phase: N/A
Study type: Interventional

The purpose of this study is to determine clinical impact of EUS-guided microbiopsy procedure and supplementary molecular analyses compared to standard diagnostic workup of pancreatic cysts. The hypothesis is that a combination of previously mentioned modalities may change the management of some pancreatic cystic lesions, increase the diagnostic accuracy and optimize the discrimination between high- and low-risk pancreatic cysts.

NCT ID: NCT03305146 Active, not recruiting - Pancreatic Cyst Clinical Trials

Feasibility of Molecular Biology in Pancreatic Cyst Tumors

CYST-GEN
Start date: January 2017
Phase: N/A
Study type: Interventional

The main objective of the study is to compare the diagnostic accuracy of intra-cystic fluid DNA molecular analysis to standard diagnostics. The secondary objective of the study is to evaluate the feasibility of intra-cystic fluid DNA molecular analysis.

NCT ID: NCT03131076 Not yet recruiting - Quality of Life Clinical Trials

Quality of Life Assessment in Patients Who Are Under Surveillance for IPMN

Start date: May 1, 2017
Phase: N/A
Study type: Observational [Patient Registry]

Over 500 patients were participating in the IPMN follow up between september 2014 and august 2016 at the Helsinki University Hospital. In this study we are going to determine the effects of the IPMN surveillance on the quality of life and anxiety levels of the patients.

NCT ID: NCT02044926 Terminated - IPMN Clinical Trials

Intraductal Papillary Mucinous Neoplasm With Malignant Change

Start date: January 2014
Phase: N/A
Study type: Observational

Purpose: To investigate diagnostic performance of CT and MR in intraductal papillary mucinous neoplasm with malignant change according to international consensus guidelines 2012. Hypothesis: According to 2012 consensus guidelines, enhanced solid component and main pancreatic duct size of larger than 10 mm will be significant.