Harry H. Yoon, M.D.

The purpose of this study is:

• To assess the efficacy of treatment with checkpoint inhibitors (Pembrolizumab or Nivolumab) in metastatic gastric and esophageal carcinoma through retrospective chart review.
• To explore if response to checkpoint inhibitors is dependent on biomarkers on tumor tissue.

The purpose of this study is to explore various biomarkers in the post-treatment tissue of patients who have responded to cancer therapy and compare it to the biopsy performed prior to cancer treatment.

The purpose of this study is to perform molecular analysis with tumor and related tissues, and peripheral blood, obtained from patients with GI cancers and to analyze the data in association with their clinical and pathological characteristics including but not limited to cancer diagnosis, treatment response and survival outcomes. 

This is a randomized Phase 2 study of novel SEQUEnced immunotherapy (pembrolizumab) with anti-angiogenesis and chemotherapy in advanced gastric and gastroesophageaL junction (GEJ) adenocarcinoma (SEQUEL) designed to to evaluate the best overall response rate (BORR) of combined ramucirumab (RAM) plus paclitaxel (+/- pembrolizumab) following induction pembrolizumab (PEM) in patients with advanced gastric and GEJ adenocarcinoma.

The main objective of this study is to compare effectiveness of bemarituzumab combined with oxaliplatin and 5-fluorouracil (5-FU) (mFOLFOX6) to placebo plus mFOLFOX6 as assessed by overall survival (OS).

The primary objective of this study is to evaluate the safety and tolerability of bemarituzumab plus mFOLFOX6 and nivolumab to treat previously-untreated advanced gastric and gastroesophageal junction cancer.

This is an open label, single arm phase 1 dose escalation study and phase 2 study of BBI608 in combination with paclitaxel in patients with advanced malignancies.

This is a study of pembrolizumab for advanced gastric or gastroesophageal junction adenocarcinoma; pembrolizumab will be given as monotherapy to participants who have had previous treatment or who are treatment-naïve; pembrolizumab will also be evaluated as combination therapy with cisplatin and 5-Fluorouracil (5-FU) in treatment-naïve participants. The primary study hypothesis is that pembrolizumab will provide a clinically meaningful overall response rate.

The purpose of this study is to evaluate the clinical benefit and safety of Apatinib plus Best Supportive Care in comparison to Placebo plus Best Supportive Care in patients with advanced or metastatic gastric cancer

The primary objectives of this study are to assess the safety and tolerability, to determine the maximum tolerated dose (MTD) or maximum administered dose (MAD), and to determine the recommended Phase 2 dose (RP2D) of BGB-A1217 (known as Ociperlimab) in combination with tislelizumab in participants with advanced solid tumors in phase 1. Primary objective of Phase 1b is to assess overall response rate (ORR) determined by Investigator per RECIST v1.1 for patients in each dose- expansion.

The purpose of this study is to determine whether Nivolumab in combination with other therapies is more effective than Nivolumab in combination with Ipilimumab in treating patients/subjects with advanced gastric cancer.

Single-arm phase 2 study to examine pembrolizumab and concurrent radiation to induce an abscopal effect in patients with previously treated carcinoma of unknown primary (CUP16-268)

This phase Ib/II trial studies the side effects and best way to give pembrolizumab with combination chemotherapy and radiation therapy before surgery and to see how well it works in treating adult patients with gastroesophageal junction or gastric cardia cancer that has spread from where it started to nearby tissue and can be removed by surgery. Monoclonal antibodies, such as pembrolizumab, may block tumor growth in different ways by targeting certain cells. Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors. Giving pembrolizumab, combination chemotherapy, and radiation therapy before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed.

The purpose of this research study is to find out what effects, good and/or bad, the drug regorafenib has on stomach or esophagus cancer after completion standard chemotherapy, radiation therapy and surgery prescribed by your doctor. In this study the participant will either get regorafenib or a "placebo".

The purpose of this study is to assess how well paclitaxel, with or without cixutumumab, works for treating patients who have esophageal cancer or gastroesophageal junction cancer that has spread to other places in the body. Drugs used in chemotherapy, such as paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Cixutumumab may kill cancer cells by blocking the action of a protein needed for cancer cell growth. Giving paclitaxel with or without cixutumumab may kill more tumor cells.

A Phase Ib/II, open label, multi-center, randomized study designed to assess the safety, tolerability, pharmacokinetics and preliminary anti-tumor activity of immunotherapy-based treatment combinations in patients with locally advanced unresectable or metastatic G/GEJ cancer (hereafter referred to as gastric cancer). Two cohorts will be enrolled in parallel in this study: the second-line (2L) Cohort will consist of patients with gastric cancer who have progressed after receiving a platinum-containing or fluoropyrimide-containing chemotherapy regimen in the first-line setting, and the first-line (1L) Cohort will consist of patients with gastric cancer who have not received prior chemotherapy in this setting. In each cohort, eligible patients will be assigned to one of several treatment arms.