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Contrast Enhanced Endoscopic Ultrasound in Pancreas Lesions

Straipsnius versti gali tik registruoti vartotojai
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Nuoroda įrašoma į mainų sritį
StatusasVerbavimas
Rėmėjai
Cedars-Sinai Medical Center

Raktažodžiai

Santrauka

The purpose of this study is to determine whether quantitative contrast-enhanced endoscopic ultrasound (CE-EUS) improves the evaluation of pancreas tumors and precursor lesions, including cysts, compared to conventional endoscopic ultrasound.

apibūdinimas

The study is a prospective trial of CE- EUS in which the conventional EUS that is part of standard clinical care is conducted after injection of intravenous contrast agent.

The study population will include those patients already undergoing endoscopic ultrasound for standard pancreatic indications at Cedars-Sinai Medical Center. The primary procedures will include conventional EUS to evaluate a pancreatic lesion as part of standard of care, IV contrast agent during the procedure if deemed necessary by the investigator, collection of time intensity curves for pancreas and lesions from the EUS processor. The study includes one standard of care visit for EUS, and the enrollment period will be 24 months. All enrolled patients will be followed by chart review or phone call for a period of 12 months.

All of the subjects will be undergoing an EUS for standard of care. These patients will also receive an IV contrast agent (Lumason) during the procedure, which is not part of standard of care, and is for research use only. FNA will be performed only on those patients deemed to require FNA based solely on the standard EUS.

If the aims of the study are achieved, it ill confirm that contrast-enhanced EUS can be used to differentiate various pancreatic lesions and, in future, may aid in risk-stratification of precursor lesions for pancreatic cancer.

Datos

Paskutinį kartą patikrinta: 02/29/2020
Pirmasis pateikimas: 03/11/2020
Numatytas registravimas pateiktas: 03/24/2020
Pirmas paskelbtas: 03/26/2020
Paskutinis atnaujinimas pateiktas: 03/24/2020
Paskutinis atnaujinimas paskelbtas: 03/26/2020
Faktinė studijų pradžios data: 02/25/2020
Numatoma pirminio užbaigimo data: 02/25/2021
Numatoma studijų užbaigimo data: 02/25/2022

Būklė ar liga

Pancreatitis
Pancreas Cancer
Pancreas Cyst

Intervencija / gydymas

Drug: Contrast EUS

Fazė

Fazė 1

Rankų grupės

RankaIntervencija / gydymas
Experimental: Contrast EUS
Undergoing EUS for pancreatic indication (cyst, pancreatitis, mass)
Drug: Contrast EUS
Patients will receive intravenous contrast during EUS to assess whether it improves the evaluation of pancreas.

Tinkamumo kriterijai

Amžius, tinkami studijuoti 18 Years Į 18 Years
Tinkamos studijoms lytysAll
Priima sveikus savanoriusTaip
Kriterijai

Inclusion Criteria:

- Patients undergoing endoscopic ultrasound for pancreatic indications

- Patients must have unexplained pancreatitis, pancreas mass(es), or pancreatic cystic lesions or worrisome clinical, imaging or laboratory findings

Exclusion Criteria:

- Patients <18 years of age, pregnant women, and lactating mothers will be excluded.

- Subjects with unstable cardiopulmonary condition will be excluded (acute myocardial infarction, acute coronary syndromes, worsening or unstable heart failure, or serious ventricular arrhythmias)

- Patients with known or suspected right-to-left, bi-directional, or transient right-to-left cardiac shunts will be excluded given theoretical (though clinically insignificant) risk of embolization

- Patients with a history of allergy to Lumason will be excluded

Rezultatas

Pirminės rezultatų priemonės

1. The results obtained by EUS versus contrast EUS to diagnose pancreas cystic lesions, mass lesion, and origin of pancreatitis. [12 months]

The endoscopist will perform conventional EUS and classify the lesion, which will be recorded by the research assistant prior to CE-EUS. Contrast will then be administered and the classification of CE-EUS will be recorded in real time. Using pathology and one-year clinical follow-up as the gold standard, the yields of the modality will be calculated. In addition, we will evaluate whether the use of CE-EUS impacted assessment of size and diagnosis.

Antrinės rezultatų priemonės

1. Quantitative Parameters of Pancreas Lesions [12 months]

Quantitative parameters of pancreas mass lesions will be performed by comparing the quantitative parameters post processing of adenocarcinoma, other pancreatic lesions, and chronic pancreatitis. The final diagnosis will be based on pathology and 3 , 6 and 12 month follow up. Variables to compare will include time to peak (SECONDS), rise time (SECONDS), mean transit time (SECONDS), and time from peak to one-half (SECONDS).

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