Missouri is currently home to 1891 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Saint Louis, Kansas City, St. Louis and Springfield. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
Regional Radiotherapy in Biomarker Low-Risk Node Positive and T3N0 Breast Cancer
Recruiting
The purpose of this study is to compare the effects on low risk breast cancer receiving usual care that includes regional radiation therapy, with receiving no regional radiation therapy. Researchers want to see if not giving this type of radiation treatment works as well at preventing breast cancer from coming back.
Gender:
FEMALE
Ages:
35 years and above
Trial Updated:
06/10/2025
Locations: Saint Francis Medical Center, Cape Girardeau, Missouri
Conditions: Breast Cancer
ColoCare Study - Colorectal Cancer Cohort
Recruiting
ColoCare is an international prospective cohort study of stage I-IV colorectal cancer patients (ICD-10 C18-C20).
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
06/10/2025
Locations: Washington University School of Medicine, Saint Louis, Missouri
Conditions: Colorectal Cancer
Short-term Effects of Caffeine and a Multi-ingredient Pre-workout on Exercise Performance
Recruiting
The investigators are conducting a study to see how a commercial pre-workout supplement, coffee, and water affect how well people perform. The study is conducted across four visits. The first visit is to assess the participants, and the next three visits are for testing. Each participant will drink a randomly assigned beverage 45 minutes before testing. Throughout the study, the participants will complete three testing days-each at least three days apart-so they can try all three drinks. The fir... Read More
Gender:
ALL
Ages:
Between 18 years and 35 years
Trial Updated:
06/09/2025
Locations: Saint Louis University, Saint Louis, Missouri
Conditions: Coffee, Anthocyanins, Exercise Performance, Exercise Testing
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Recruiting
Primary Objective • To investigate the efficacy of treatment with oral Bionetide versus placebo in girls and women with Rett syndrome Key Secondary Objective • To investigate the efficacy of treatment with oral Bionetide versus placebo on ability to communicate in girls and women with Rett syndrome
Gender:
FEMALE
Ages:
Between 5 years and 20 years
Trial Updated:
06/09/2025
Locations: Missouri Locations Biomed Testing Facility #BIO-12-63110, Saint Louis, Missouri
Conditions: Rett Syndrome
Dichoptic Treatment for Amblyopia in Children 8 to 12 Years of Age
Recruiting
Participants eligible for the study will be randomly allocated (1:1:1) to receive either Luminopia dichoptic treatment while wearing optical correction if needed, Vivid Vision dichoptic treatment while wearing optical correction if needed, or continued optical correction alone if needed, with clinical assessments at 9- and 18-weeks post-randomization. At the 18-week primary outcome visit, participants who were randomly assigned to receive optical correction alone if needed with an IOD of 1 logM... Read More
Gender:
ALL
Ages:
Between 8 years and 12 years
Trial Updated:
06/09/2025
Locations: Children's Mercy Hospitals and Clinics, Kansas City, Missouri
Conditions: Amblyopia
Dichoptic Treatment for Amblyopia in Children 4 to 7 Years of Age
Recruiting
In children 4 to 7 years of age, to determine if treatment with 1 hour per day 6 days per week of watching dichoptic movies/shows wearing the Luminopia headset is non-inferior to treatment with 2 hours of patching per day 7 days per week with respect to change in amblyopic eye distance VA from randomization to 26 weeks.
Gender:
ALL
Ages:
Between 4 years and 7 years
Trial Updated:
06/09/2025
Locations: Children's Mercy Hospitals and Clinics, Kansas City, Missouri
Conditions: Amblyopia
Multi-Site Trial of Navigation vs Treatment as Usual to Improve Initiation of Timely Adjuvant Therapy
Recruiting
The goal of this clinical trial is to compare the effectiveness of a navigation-based multilevel intervention (ENDURE) with treatment as usual (TAU) to improve the initiation of guideline-adherent postoperative radiation therapy among patients with head and neck cancer. The main questions the trial aims to answer are: 1. Does ENDURE improve initiation of timely PORT relative to treatment as usual? 2. What are the mechanisms through which ENDURE improves timeliness to treatment? 3. What are the... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/09/2025
Locations: Washington University in St. Louis, Saint Louis, Missouri
Conditions: Head and Neck Cancer, Head and Neck Squamous Cell Carcinoma, Oropharynx Cancer, Oral Cavity Cancer, Larynx Cancer
Janus Kinase (JAK) Inhibitors to Preserve C-Peptide Production in New Onset Type 1 Diabetes (T1D)
Recruiting
A multi-center, placebo-controlled, double blind, 1:1:1 randomized control clinical trial testing two different JAK Inhibitors abrocitnib, ritlecitinib, and placebo in subjects with recent onset Stage 3 Type 1 Diabetes within 100 days of diagnosis.
Gender:
ALL
Ages:
Between 12 years and 35 years
Trial Updated:
06/09/2025
Locations: The Children's Mercy Hospital, Kansas, Missouri
Conditions: Diabetes Mellitus, Type 1
Percutaneous or Surgical Repair In Mitral Prolapse And Regurgitation for ≥60 Year-olds (PRIMARY)
Recruiting
This is a prospective, multicenter, open-label, randomized trial comparing mitral valve (MV) transcatheter edge-to-edge repair (TEER) to surgical repair (1:1 ratio) in patients with primary, degenerative mitral regurgitation (MR). The trial will be conducted in the U.S., Canada, Germany and the United Kingdom, and is designed as a strategy trial. Thus, all devices legally marketed for TEER of primary degenerative MR in a particular country are eligible to be used in this trial.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
06/09/2025
Locations: Saint Luke's Hospital of Kansas City/MidAmerica Heart and Lung Surgeons, Kansas City, Missouri
Conditions: Mitral Valve Regurgitation
Gemcitabine and Oxaliplatin Chemotherapy With or Without a Floxuridine and Dexamethasone Pump in People With Cholangiocarcinoma That Cannot Be Removed With Surgery
Recruiting
This study will compare the safety and effects of HAI floxuridine and dexamethasone combined with the standard chemotherapy drugs gemcitabine and oxaliplatin (GemOx) with those of GemOx alone in people with untreated cholangiocarcinoma that cannot be removed with surgery. The researchers want to find out whether the study treatment works better than the standard chemotherapy to delay progression of disease. For the study treatment to be considered better than the standard treatment, the study tr... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/09/2025
Locations: Washington University (Data Collection Only), Saint Louis, Missouri
Conditions: Intrahepatic Cholangiocarcinoma
A Randomized Trial to Evaluate Sequential vs Simultaneous Patching
Recruiting
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.
Gender:
ALL
Ages:
Between 3 years and 13 years
Trial Updated:
06/09/2025
Locations: Children's Mercy Hospitals and Clinics, Kansas City, Missouri
Conditions: Amblyopia
Protocol for Collecting, Banking and Distributing Human Tissue Samples: St. Jude Children's Research Hospital Tissue Resources Core Facility
Recruiting
The aims of this protocol are: to collect and store diseased and normal tissue and body fluid samples from new and returning patients at St. Jude Children's Research Hospital (SJCRH), affiliated sites and collaborating institutions; to collect and store samples from relatives of SJCRH patients; to collect and store retrospective and prospective pertinent corresponding clinical and laboratory data on disease characterization, treatment, and outcome; and to serve as a source of human biological sa... Read More
Gender:
ALL
Ages:
All
Trial Updated:
06/09/2025
Locations: Mercy Children's Hospital - Springfield, Springfield, Missouri
Conditions: Normal and Diseased Tissue and Body Fluids Samples