Florissant, Missouri Clinical Trials

S Site Public Contact

Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab

The phase III trial compares the effect of pembrolizumab to observation for the treatment of patients with early-stage triple-negative breast cancer who achieved a pathologic complete response after preoperative chemotherapy in combination with pembrolizumab. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, …

K Kaycie Opiyo

Target ALS Biomarker Study; Longitudinal Biofluids, Clinical Measures, and At Home Measures

The goal of the study is to generate a biorepository of longitudinal biofluids-blood (plasma and serum), cerebral spinal fluid (CSF) and urine linked to genetics and longitudinal clinical information that are made available to the research community. To accomplish these goals, we will enroll 800 Amyotrophic Lateral Sclerosis (ALS) patients …

V Vandana Shashi, MD

Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network

Without an explanation for severe and sometimes life-threatening symptoms, patients and their families are left in a state of unknown. Many individuals find themselves being passed from physician to physician, undergoing countless and often repetitive tests in the hopes of finding answers and insight about what the future may hold. …

First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors

Study STX-478-101 (LY4064809) is a multipart, open-label, phase 1/2 study evaluating the safety, tolerability, pharmacokinetics (PK), and preliminary antitumor activity of STX-478 (LY4064809) in participants with advanced solid tumors with P13Ka mutations. Part 1 will evaluate STX-478 as monotherapy in participants with advanced solid tumors. Part 2 will evaluate STX-478 …

Study of AMG 509 in Participants With Metastatic Castration-Resistant Prostate Cancer

The overall aim of the trial is to evaluate the safety, tolerability, and pharmacokinetics (PK) of AMG 509 (monotherapy and in combination with abiraterone acetate and enzalutamide) and to evaluate preliminary efficacy. As of Protocol Amendment 10 (09 July 2025), only Parts 4A expansion, 6, and 7 are open to …

H H Lu, MD

RAdiolabeled Perfusion to Identify Coronary Artery Disease Using WAter To Evaluate Responses of Myocardial FLOW (RAPID-WATER-FLOW)

This a Phase 3, prospective, open-label, multicenter study of \[15-O\]-H2O injection for PET imaging of subjects with suspected CAD. Approximately 182 evaluable participants with suspected CAD referred for testing will be included in the study at approximately 10 study sites in the United States and Europe. Approximately 215 participants will …

Rett Syndrome Registry

The Rett Syndrome Registry is a longitudinal observational study of individuals with MECP2 mutations and a diagnosis of Rett syndrome. Designed together with the IRSF Rett Syndrome Center of Excellence Network medical directors, this study collects data on the signs and symptoms of Rett syndrome as reported by the Rett …

A Alicia Feis, OD

A Randomized Trial to Evaluate Sequential vs Simultaneous Patching

A randomized trial to determine whether simultaneous treatment with spectacles and patching has an equivalent VA outcome compared with sequential treatment, first with spectacles alone followed by patching (if needed), for previously untreated amblyopia in children 3 to \<13 years of age.

S Sydney Weisz

Lupus Landmark Study: A Prospective Registry and Biorepository

The purpose of the registry and biorepository is to provide a mechanism to store clinical data, linked biospecimens and molecular data to support the conduct of future research on Systemic Lupus Erythematosus (SLE), including Lupus Nephritis (LN).

R Roberta Crosa, MD

Stroke Thrombectomy and Aneurysm Registry

This international multi-center registry is used to collect existing information and outcomes for patients undergoing an operation for treatment of injuries to the brain including the blockage of blood flow to an area of the brain, an abnormal ballooning of an artery, abnormal tangling of blood vessels, abnormal formation of …