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…
Although supraventricular tachycardia (SVT), including atrial flutter (AF), are the most common causes of intended in-utero fetal therapy, none of the medication used to date has been evaluated for their effects on the mother and her baby in a randomized controlled clinical trial (RCT). In the absence of such evidence, there is no consensus for the optimal…
This is a Phase 3 multi-center open label randomized clinical trial. The purpose of this study is to learnmore about which anti-rejection (or immunosuppressive) medications best protect infants, children,adolescents, and young adults after they have had a heart transplant. Two different drug regimens will bewill be compared. All of these drugs are FDA-…
The purpose of this study is to survey study participants to determine their knowledge and attitudes towards fertility, and interest in understanding fertility management options. Recruited participants will be contacted via e-mail and invited to participate in online surveys and have hormone markers measured at the Columbia University Medical Center.
This clinical research study is for women between the ages of 35 and 42 years who are having difficulty becoming pregnant and who would like to receive treatment within an assisted reproductive technology (ART) program in order to become pregnant. The purpose of this research study is to test the safety and effectiveness of an investigation drug called FE…
Over time, children and young adults who have had a Fontan operation may find they are more tired, have difficulty breathing and cannot exercise as well as before. Currently, there are no approved medicines to prevent this decline. The purpose of this research study is to learn whether children who have had the Fontan operation can improve their ability to…
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…
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…
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.…