Missouri is currently home to 1899 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.
A Phase 2 in Adult Subjects With Hereditary Angioedema
Recruiting
A Phase 2 in Adult Subjects with Hereditary Angioedema
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
08/03/2025
Locations: Washington University School of Medicine, Saint Louis, Missouri
Conditions: Hereditary Angioedema (HAE)
Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics
Recruiting
This is a multi-site clinical study enrolling 2000 newly diagnosed patients with breast, colorectal, melanoma, non-Hodgkin lymphoma, or non-small cell lung cancer, who are planning to receive one or more systemic cancer directed therapies with chemotherapy and/or (immune checkpoint inhibitors) ICIs.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/02/2025
Locations: Saint Louis Cancer and Breast Institute-Ballwin, Ballwin, Missouri
Conditions: Breast Carcinoma, Colorectal Carcinoma, Lung Non-Small Cell Carcinoma, Melanoma, Non-Hodgkin Lymphoma
A Study to Investigate Ataciguat for Slowing the Progression of Moderate Calcific Aortic Valve Stenosis
Recruiting
The purpose of this study is to evaluate if ataciguat slows the progression of moderate calcific aortic valve stenosis in adults.
Gender:
ALL
Ages:
50 years and above
Trial Updated:
08/01/2025
Locations: Washington University, St. Louis, Missouri
Conditions: Moderate Aortic Valve Stenosis
E-Mindfulness Approaches for Living After Breast Cancer
Recruiting
NRG-CC015 is a prospective, randomized phase III clinical trial to evaluate the efficacy of two distinct digital approaches for delivering a mindfulness-based intervention: a live, instructor-led version delivered over Zoom (MAPs LO), and an app-based, self-paced version (MAPs App). Participants will include younger breast cancer survivors (BCS) who were diagnosed with breast cancer at or before age 50 years, have completed their primary cancer treatment (i.e., surgery, radiation, and/or chemoth... Read More
Gender:
ALL
Ages:
Between 18 years and 50 years
Trial Updated:
08/01/2025
Locations: Lake Regional Hospital, Osage Beach, Missouri
Conditions: Breast Cancer, Depression
A 2-year Study of EYP-1901 in Subjects With Wet Age Related Macular Degeneration (wAMD) (LUCIA) Primary Efficacy Will be Determined at Week 56
Recruiting
This is a phase 3 randomized, double -masked study comparing the efficacy of EYP-1901 against Aflibercept.
Gender:
ALL
Ages:
50 years and above
Trial Updated:
08/01/2025
Locations: Discover Vision Center, Independence, Missouri
Conditions: Wet Age Related Macular Degeneration, wAMD
A Phase 2, Open-Label Study to Evaluate the Safety and Effects of HLX-1502 in Patients With Neurofibromatosis Type 1
Recruiting
The trial will be an open label, single arm, phase 2 study in 20 participants. The study will assess the tolerability and efficacy of HLX-1502 in participants with NF1 16 years of age or older with progressive and/or symptomatic PN.
Gender:
ALL
Ages:
16 years and above
Trial Updated:
08/01/2025
Locations: Washington University School of Medicine, Saint Louis, Missouri
Conditions: Neurofibromatosis Type 1
Investigations of Reproductive Cancers in Women
Recruiting
The goal of this study is to create a non-invasive diagnostic test to rule out gynecological cancer in females aged 45 and older with abnormal uterine or postmenopausal bleeding.
Gender:
FEMALE
Ages:
Between 45 years and 100 years
Trial Updated:
08/01/2025
Locations: Washington University School of Medicine, Saint Louis, Missouri
Conditions: Uterine Cancer
A Study to Assess Adverse Events and Change in Disease Activity Comparing Oral Upadacitinib to Subcutaneous Dupilumab in Children From 2 to Less Than 12 Years of Age With Moderate to Severe Atopic Dermatitis
Recruiting
Atopic dermatitis (AD) is a skin condition that may cause a rash and itching due to inflammation of the skin. Topical therapies applied over the skin may not be enough to control the AD in trial participants who require systemic anti-inflammatory treatment. This study compares upadacitinib to dupilumab in pediatric participants with moderate to severe AD who are candidates for systemic therapy. Adverse events and change in the disease activity will be assessed. Upadacitinib is an approved drug... Read More
Gender:
ALL
Ages:
Between 2 years and 11 years
Trial Updated:
08/01/2025
Locations: Washington University School of Medicine - St. Louis /ID# 268545, Saint Louis, Missouri
Conditions: Atopic Dermatitis
A Study to Evaluate Glofitamab as a Single Agent vs. Investigator's Choice in Participants With Relapsed/Refractory Mantle Cell Lymphoma
Recruiting
The purpose of this study is to evaluate the efficacy of glofitamab monotherapy compared with an investigator's choice of either rituximab plus bendamustine (BR), or lenalidomide with rituximab (R-Len) in patients with relapsed or refractory (R/R) mantle cell lymphoma (MCL).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/01/2025
Locations: St. Luke's Hospital, Chesterfield, Missouri
Conditions: Lymphoma
An Open-Label Study Comparing Glofitamab and Polatuzumab Vedotin + Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone Versus Pola-R-CHP in Previously Untreated Patients With Large B-Cell Lymphoma
Recruiting
The purpose of this study is to compare the efficacy and safety of glofitamab in combination with polatuzumab vedotin plus rituximab, cyclophosphamide, doxorubicin, and prednisone (Pola-R-CHP) vs Pola-R-CHP in participants with previously untreated CD20-positive large B-cell lymphoma (LBCL).
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
08/01/2025
Locations: St. Luke's Hospital, Chesterfield, Missouri
Conditions: Large B-Cell Lymphoma
Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25
Recruiting
This Phase III Trial will determine whether adjuvant chemotherapy (ACT) added to ovarian function suppression (OFS) plus endocrine therapy (ET) is superior to OFS plus ET in improving invasive breast cancer-free survival (IBCFS) among premenopausal, early- stage breast cancer (EBC) patients with estrogen receptor (ER)-positive, HER2-negative tumors and 21-gene recurrence score (RS) between 16-25 (for pN0 patients) and 0-25 (for pN1 patients).
Gender:
FEMALE
Ages:
Between 18 years and 60 years
Trial Updated:
08/01/2025
Locations: Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin, Missouri
Conditions: Breast Cancer
A Study to Evaluate the Long-Term Safety of Astegolimab in Participants With Chronic Obstructive Pulmonary Disease (COPD)
Recruiting
The purpose of this study is to assess the long-term safety and to explore the efficacy of astegolimab in participants with chronic obstructive pulmonary disease (COPD) who have completed the 52-week placebo-controlled treatment period in parent studies GB43311 or GB44332.
Gender:
ALL
Ages:
Between 40 years and 90 years
Trial Updated:
08/01/2025
Locations: The Lung Research Center, Chesterfield, Missouri
Conditions: Chronic Obstructive Pulmonary Disease