235 Studies Now Enrolling
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Displaying 1 - 17 of 17
Condition: Gastrointestinal and Digestive Diseases / Barrett's Esophagus
Investigator: Julian Abrams, MD
Status: Closed
This research study will look at a newer treatment option for Barrett's Esophagus (BE) which uses nitrous oxide to freeze unwanted tissue. The most commonly used treatment method is Radiofrequency Ablation (RFA) which uses heat to destroy the pre-cancerous tissue. Nitrous Oxide ablation using the C2 CryoBalloon Focal Ablation System, an FDA-cleared…
Condition: Heart Disease / Arterial Disease
Investigator: Robert Sommer, MD
Status: Closed
This is a prospective, single arm, three stage, multi-site, clinical investigation evaluating the safety and efficacy of the Carag Bioresorbable Septal Occluder (CBSO) to treat patients with clinically significant hole in the atrial septal defect compared to other commercially approved devices. The study is being done to determine the safety and efficacy of…
Condition: Heart Disease / Arterial Disease
Investigator: Robert Sommer, MD
Status: Closed
This prospective, multicenter, open-label, single arm, first-in human study will enroll up to 75 subjects aimed at examining the performance of the LAAC device for LAA closure.
Condition: Heart Disease / Arterial Disease
Investigator: Michael Collins, MD
Status: Closed
This study is for patients with Coronary Artery Disease (CAD) and require a stent placement. The purpose of this clinical research study is to assess the safety and effectiveness of the Orsiro stent or a non-investigational Xience stent. The Orsiro stent is investigational, which means it is not yet approved by the FDA and can only be used in research…
Condition: Headaches
Investigator: Marianna Shnayderman Yugrakh, MD
Status: Closed
The ENFORCE Teva Cluster Headache clinical trial is looking for people who have been diagnosed with episodic cluster headaches to participate. People who volunteer and qualify may have the opportunity to try an investigational study drug for cluster headaches. If you're 18 to 70 years old and have experienced cluster headaches for 12 months or more,…
Condition: Heart Disease / Arterial Disease
Investigator: Susheel Kodali, MD
Status: Closed
The purpose of this research study, is to learn whether an experimental device (called Evolut R) can help clear hardened blockage in coronary arteries (blood vessels that feed the heart muscle) in patients with a disease is called aortic stenosis.Subjects that choose to participate and are eligible will have their interventional cardiologist use this device…
Condition: Gastrointestinal and Digestive Diseases / Barrett's Esophagus
Investigator: Julian Abrams, MD
Status: Closed
C2 Therapeutics is currently enrolling patients to participate in the Coldplay 3 clinical trial. Coldplay 3 is evaluating the effectiveness of the Coldplay CryoBalloon Focal Ablation System in patients with Barrett's esophagus who have not yet received treatment. Participants will undergo treatment with the Coldplay CryoBalloon Focal Ablation System…
Condition: Heart Disease / Arterial Disease
Investigator: Melvin Weiss, MD, FACC
Status: Closed
The purpose of this study is to see if a new medication called ticagrelor given twice daily ismore effective than aspirin alone in preventing the occurrence of heart attack, stroke and/ordeath due to cardiovascular events in patients who have type 2 diabetes. Ticagrelor is anantiplatelet therapy (stop platelets from clumping together) and is approved for…
Condition: Gastrointestinal and Digestive Diseases / Barrett's Esophagus
Investigator: Julian Abrams, MD
Status: Closed
The purpose of this study is to evaluate a new technique called Wide Area Transepithelial Sample 3-Dimensional Esophageal Biopsy (WATS) with computer assisted method of analysis of brush biopsy. This study will assess whether performing standard biopsies in addition to the WATS brush biopsies identifies more patients with dysplasia than does performing…
Condition: Headaches
Investigator: Denise Chou, MD
Status: Closed
If so, you may be able to take part in a clinical research study. This study is being done to see how wellcarbon dioxide (CO2) may provide relief from the pain associated with Trigeminal Neuralgia (TN). CO2 is a gas that is part of the air we breathe and is used to make bubbles in carbonated drinks. The screening and treatment office visit can be done in…
Condition: Heart Disease / Arterial Disease
Investigator: Tamim Nazif, MD
Status: Closed
The purpose of this study is to survey patients who have undergone a percutaneous coronary intervention (PCI) at Columbia University Medical Center in which the physician used a stent called the Promus Premier stent. Patients will be asked to do a brief 15-30 minute survey regarding their health since the PCI and stent implantation.
Condition: Gastrointestinal and Digestive Diseases / Barrett's Esophagus
Investigator: Julian Abrams, MD
Status: Closed
The purpose of the study is to compare two types of endoscopic treatments in patients with Barretts esophagus (BE) with abnormal cells (dysplasia); radiofrequency ablation (RFA) and hybrid argon plasma coagulation (H-APC). H-APC is a newer technique in the treatment of BE and has not been adequately studied and is not approved by the FDA for routine use.…
Condition: Headaches / Migraines
Investigator: Denise Chou, MD
Status: Closed
This study plans to learn more about a device called the Cefaly and if it is effective for treating migraine attacks. This device is approved by the Food and Drug Administration(FDA) for the prevention of episodic migraines, but clinical data has not yet been collected on its effectiveness in treating migraine attacks.
Condition: Heart Disease / Arterial Disease
Investigator: Kumar Kalapatapu, MD, FACC
Status: Closed
The purpose of this study is to evaluate the Biosensors BioFreedom Biolimus A9 Drug Coated Coronary Stent on people with coronary artery disease (blockages in the heart arteries) to determine if it is safe and effective.
Condition: Headaches / Migraines
Investigator: Robert Sommer, MD
Status: Closed
This study is for patients who have severe migraine headaches that might be a result of a hole in the heart wall called a Patent Foreman Ovale, or PFO. It is known that as many as 40% of patients with migraine headaches also have a PFO. It is not well understood how the two are related, or how having a hole in the heart wall could cause headaches. In this…
Condition: Heart Disease / Arterial Disease
Investigator: Manish Parikh, MD
Status: Closed
The purpose of this research is to find out whether it is safe to shorten the length of time that people at high risk for bleeding take blood thinners after being treated with a coronary stent.
Condition: Headaches / Migraines
Investigator: Denise Chou, MD
Status: Closed
This study plans to learn more about a device called the Cefaly and if it is effective for treating migraine attacks. This device is approved by the Food and Drug Administration (FDA) for the prevention of episodic migraines, but clinical data has not yet been collected on its effectiveness in treating migraine attacks. The Cefaly device works by generating…