Clinical Research Directory

Ablation Compare With Surgery for Early Breast Cancer

Breast-conserving surgery has been widely used in clinical practice, but surgical incisions still impact postoperative patient satisfaction with breast appearance. The development of tumor ablation technologies has introduced new possibilities for breast cancer surgical treatment. The hybrid cryo-thermal ablation system, an advanced minimally invasive tumor treatment device independently developed in China, employs a combined approach of deep cryoablation and high-intensity heating for therapy and has been approved for treating solid tumors, including breast cancer. This study is a prospective, single-center, randomized controlled trial. Eligible patients with newly diagnosed early-stage breast cancer treated at the Breast Center of Peking University People's Hospital will be enrolled and randomized in a 1:1 ratio to receive either hybrid cryo-thermal ablation (experimental group) or breast-conserving surgery (control group). Data collected will include: Baseline clinicopathological characteristics， Surgical details (operation time, intraoperative/postoperative complications, etc.)， Peripheral blood lymphocyte distribution， Treatment efficacy (ipsilateral breast tumor recurrence rate, disease-free survival, overall survival)， Aesthetic outcomes (BREAST-Q score). Primary endpoint: Ipsilateral breast local recurrence rate， Secondary endpoints: Safety (incidence of adverse events assessed by CTCAE criteria)， Disease-free survival and overall survival， Quality of life assessment (breast satisfaction)， Exploratory endpoints: Pathological response of ablated tumor tissue， Correlation analysis between postoperative imaging (MRI/ultrasound) features and recurrence risk.

Torque Device Evaluation

This study will evaluate the safety and efficacy of a novel catheter torque device after the completion of a clinically-indicated electrophysiology study and/or ablation procedure in a pediatric patient. All electrophysiology studies and/or ablation procedures will be performed at the discretion of their primary cardiologist and will not be affected by this study protocol. The study protocol will commence once the attending electrophysiologist has completed all necessary intervention and testing and no further evaluation is required.

Protocol-Driven Continuous Infusion Versus Intermittent Bolus Heparin During Atrial Fibrillation Ablation

Thromboembolism and bleeding are still the most common encountered complications during atrial fibrillation ablation. The purpose of this study is to investigate a prespecified protocol-driven continuous heparin infusion method comparing intermittent bolus method for an optimal activated clotting time (ACT) in patients during atrial fibrillation (AF) ablation in Asia population. This is a single-center and retrospective cohort study. The prespecified optimal ACT in this study is defined as 250-350 s. The primary outcome is the frequency of achieving optimal ACT during ablation. Safety outcomes are thromboembolic and major or minor bleeding events during or after ablation. Generalized Estimating Equations (GEE) logistic models will be used to analyze the factors associated with insufficient or over ACT events.

Virtual Reality in Electrophysiology Laboratory (EP)

The purpose of this study is to evaluate the use of virtual reality (VR) technology as adjunct to routine anesthesia care for patients undergoing electrophysiology (EP) procedures.

CellFX® Nanosecond Pulsed Field Ablation (nsPFA)™ Cardiac Surgery Clamp System to Treat Atrial Fibrillation

The primary objective of this Pivotal study is to demonstrate the safety and effectiveness of the Pulse Biosciences nsPFA™ Cardiac Surgery System in treating atrial fibrillation during concomitant cardiac surgical procedures.

Prospective Evaluation of the Pulse Biosciences nPulse™ Vybrance™ Percutaneous Electrode System

The primary objective of this study is to reproduce in a multi-center study results obtained during the feasibility First-In-Human (FIH) study with Prof. Stefano Spiezia, MD (Ospedale del Mare, Naples, Italy) and to monitor additional thyroid-related symptoms and impact of patients quality of life post-ablation using a validated QoL questionnaire.

Endo-ePIcardial Versus Endocardial Only Catheter Ablation for ISchemic Driven Ventricular Tachycardia (EPISODE VT)

The EPISODE VT trial is designed to compare efficacy and safety of two modalities for interventional treatment - endocardial ablation and endo-epicardial ablation in a population of patients with post myocardial infarction (ICD 10 - I25.2) ventricular tachycardias (ICD 10 - I47.2), who are protected by an implantable cardioverter-defibrilator (ICD) and meet study inclusion criteria.

A Cohort Study of Combined Cryoablation and Thermal Ablation for Non-surgical Treatment of Breast Cancer Patients

Although surgical resection is the gold standard for early breast cancer treatment, some patients cannot tolerate surgery due to medical conditions or refuse surgical treatment for cosmetic reasons. In recent years, the rapid development of ablation technology has provided new directions for breast cancer patients who are not suitable for surgical treatment. Ablation uses high or low temperatures to deactivate lesions or tissues, which are gradually absorbed by the body, achieving local treatment purposes. Its safety and efficacy have been preliminarily confirmed. As an advanced minimally invasive medical device independently developed in China, the combined cryo-thermal ablation system treats tumors using a combined mode of deep cryogenic freezing and high-intensity heating. It has been approved for ablation treatment of various solid tumors including lung cancer, pancreatic cancer, kidney cancer, prostate cancer, breast cancer, bone and soft tissue sarcomas. This project proposes a prospective cohort design, based on the breast disease cohort database of Peking University People's Hospital Breast Center. It will enroll patients pathologically diagnosed with breast cancer, determined unsuitable for surgical treatment, and have received combined cryo-thermal ablation. The registered data will be used to evaluate the effectiveness and safety of percutaneous ultrasound-guided cryo-thermal composite ablation in this population.

Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study

This is a prospective, non-randomized, multi-center, real-world post-market study to collect and evaluate data regarding the performance of the enhanced atrial fibrillation detection algorithm of the Assert-IQTM Implantable Cardiac Monitor (ICM) device.

Ablation of Pulmonary Oligometastasis Combined With System for Advanced Hepatocellular Carcinoma

Ablation has been an effective therapy in treating intrathoracic metastases. However, for hepatocellular carcinoma with pulmonary oligometastasis, ablation of metastases remains relatively unexplored and still needs clinical evidence.

The Comparison of TACE-Lenvatinib With TACE-Lenvatinib-ablation for Intermediate Recurrent Hepatocellular Carcinoma

Studies have shown that combination therapy of TACE with Lenvatinib could achieve better survival outcomes than TACE alone for hepatocellular carcinoma (HCC) at BCLC B stage. However, whether patients could benefit from the ablation for intermediate recurrent HCC (RHCC) is still need high quality clinical evidence. This study is to evaluate the efficacy of ablation combined with TACE and Lenvatinib for the intermediate-stage RHCC.

CPVI With Modified Linear Ablation Versus CPVI in Patients With Long-standing Persistent Atrial Fibrillation (SINUS)

Catheter ablation has become as the first-line treatment for patients with symptomatic atrial fibrillation (AF). As the cornerstone of catheter ablation for AF, the safety and efficacy of circumferential pulmonary vein isolation (CPVI) have been confirmed. However, for persistent AF, especially for long-standing persistent AF (LSPAF), the recurrence rate is still high. Whether the ethanol infusion (EI) into the vein of Marshall (EI-VOM) and linear ablation could improve the success rate remains controversial. The SINUS study is a prospective, multicenter, randomized trial, which is designed to compare the efficacy and safety between CPVI with modified linear ablation (CPVI-MLA) and CPVI only for the treatment of LSPAF.

Ablation of Oligometastasis Combined With Lenvatinib and PD-1 Inhibitor for Advanced Hepatocellular Carcinoma

Ablation has been an effective approach for treating intrathoracic metastases. However, for hepatocellular carcinoma with oligometastasis, ablation of metastases remains relatively unexplored.

TRANBERG® Transperineal MR/US Fusion Laser--Induced Thermal Therapy for Men With Prostate Cancer

This study is set up as a phase I prospective, single center, device interventional pilot study carried in office setting under local anesthesia. It will assess the tolerance and safety of target fusion ablation of prostate cancer tumors using Laser Induced Thermal Therapy (TFA-LITT) guided by fusion imaging in men 50 to 80 years of age with low to intermediate risk prostate cancer Prostate Cancer is currently managed with in a discrete fashion where patients either enroll in active surveillance protocols (No intervention) or undergo full intervention via whole gland treatments - most commonly radical surgery or radiation. These treatments have not shown definitive gains in all cause survival and not uncommonly harbor undesirable adverse effects, most notably: impotency and incontinence. Such events elicit significant and noticeable changes on a male lifestyle and for most prostate cancer tumors are considered overtreatment. This study aims to evaluate the use of TFA-LITT in the office setting under local anesthesia - greatly decreasing patient perioperative surgical risk - focused on the organ sparing cancer lesion ablation, where organ function is preserved. The fundamental objective is to determine the tolerance and safety of TFA-LITT in men with low to intermediate risk prostate cancer, successful performed in the outpatient office-based setting under local anesthesia directed by fusion imaging. Secondary objectives include: 1-Biopsy proven cancer control of ablated areas 12 months after procedure; 2-Uroflowmetry and urinary function Patient Reported Outcome Measures (PROMs) at one, three, six, nine and 12 months; 3- Sexual function Patient Reported Outcome Measures (PROMs) at one, three, six, nine and 12 months; 4- MRI changes of ablated area one, three and 12 months after TFA-LITT; 5- Absence or presence of ejaculation after TFA-LITT.