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.
Atezolizumab Immunotherapy With or Without Tiragolumab for Patients With Unresectable Stage III NSCLC
Recruiting
This is a phase II trial of neoadjuvant and adjuvant atezolizumab with or without tiragolumab in conjunction with chemoradiotherapy for unresectable stage III NSCLC.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Washington University Siteman Cancer Center, Saint Louis, Missouri
Conditions: NSCLC
A Precision Medicine Approach Using Gene Silencing to Treat a Chronic Liver Disease Called Metabolic Dysfunction-Associated Steatohepatitis (MASH) in Adult Participants at Increased Genetic Risk for This Condition
Recruiting
This study is researching an investigational drug, ALN-HSD called "study drug". This study is focused on participants who are known to have metabolic dysfunction-associated steatohepatitis (MASH). MASH is a form of metabolic dysfunction-associated steatotic liver disease (MASLD). MASH occurs when fat builds up in liver cells, damaging them, and making the liver inflamed and stiff from fibrosis (scar tissue). MASH can progress to cirrhosis (long term scarring) and liver failure (when the liver ca... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/29/2025
Locations: Washington University School of Medicine, Saint Louis, Missouri
Conditions: Metabolic Dysfunction-associated Steatohepatitis (MASH)
Study to Evaluate Weight Gain as Assessed by Change in BMI Z-score in Pediatric Subjects With Schizophrenia or Bipolar I Disorder
Recruiting
To compare changes in body mass index (BMI) Z-score following treatment with OLZ/SAM vs olanzapine
Gender:
ALL
Ages:
Between 10 years and 17 years
Trial Updated:
07/29/2025
Locations: Alkermes Investigator Site, Saint Charles, Missouri
Conditions: Schizophrenia, Bipolar I Disorder
Evolut™ EXPAND TAVR II Pivotal Trial
Recruiting
Obtain safety and effectiveness data to support indication expansion for the Medtronic TAVR System to include patients with moderate, AS.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
07/29/2025
Locations: SSM Health Saint Louis University Hospital, Saint Louis, Missouri
Conditions: Moderate Aortic Valve Stenosis
Long-term Safety and Efficacy of Odevixibat in Patients With Alagille Syndrome
Recruiting
The purpose of this study is to assess the long-term safety and effectiveness of odevixibat in participants with Alagille syndrome (ALGS). The participants of this study will have ALGS a rare genetic disorder that can affect multiple organ systems of the body including the liver, heart, skeleton, eyes and kidneys. Common symptoms, which often develop during the first three months of life, include blockage of the flow of bile from the liver (cholestasis), yellowing of the skin and mucous membran... Read More
Gender:
ALL
Ages:
All
Trial Updated:
07/29/2025
Locations: Children's Mercy Hospital and Clinics, Kansas City, Missouri
Conditions: Alagille Syndrome
Veterans Affairs Seamless Phase II/III Randomized Trial of STAndard Systemic theRapy With or Without PET-directed Local Therapy for Oligometastatic pRosTate Cancer
Recruiting
This is a prospective, open-label, multi-center seamless phase II to phase III randomized clinical trial designed to compare SST with or without PET-directed local therapy in improving the castration-resistant prostate cancer-free survival (CRPC-free survival) for Veterans with oligometastatic prostate cancer. Oligometastasis will be defined as 1-10 sites of metastatic disease based on the clinical determination of the LSI which incorporates all imaging, clinical, and pathologic data available.
Gender:
MALE
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Kansas City VA Medical Center, Kansas City, MO, Kansas City, Missouri
Conditions: Prostate Cancer, Oligometastasis, Oligorecurrence, Recurrent Prostate Cancer, Metastatic Prostate Cancer, De Novo Prostate Cancer
Mitotane With or Without Cisplatin and Etoposide After Surgery in Treating Patients With Stage I-III Adrenocortical Cancer With High Risk of Recurrence
Recruiting
This phase III trial studies how well mitotane alone works compared to mitotane with cisplatin and etoposide when given after surgery in treating patients with adrenocortical cancer that has a high risk of coming back (recurrence). Cortisol can cause the growth of adrenocortical tumor cells. Antihormone therapy, such as mitotane, may lessen the amount of cortisol made by the body. Drugs used in chemotherapy, such as cisplatin and etoposide, work in different ways to stop the growth of tumor cell... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Siteman Cancer Center at Washington University, Saint Louis, Missouri
Conditions: ENSAT Stage I Adrenal Cortex Carcinoma, ENSAT Stage II Adrenal Cortex Carcinoma, ENSAT Stage III Adrenal Cortex Carcinoma
Anesthetics and Analgesics in Children
Recruiting
The purpose of this study is to characterize the pharmacokinetic (PK) and safety profile of anesthetics and analgesics in children and adolescents.
Gender:
ALL
Ages:
Between 0 years and 17 years
Trial Updated:
07/29/2025
Locations: Cardinal Glennon Children's Hospital, Saint Louis, Missouri
Conditions: Anesthesia, Pain
Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products
Recruiting
The main purpose of the Product Performance Report (formerly referred to as System Longevity Study) is to evaluate long-term performance of Medtronic market-released cardiac rhythm products by analyzing product survival probabilities.
Gender:
ALL
Ages:
All
Trial Updated:
07/29/2025
Locations: Not set, Columbia, Missouri
Conditions: Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
ATI-045 Versus Placebo in Patients With Moderate-to-Severe Atopic Dermatitis
Recruiting
This study evaluates ATI-045 versus placebo in patients with Moderate-to-Severe Atopic Dermatitis.
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
07/28/2025
Locations: Aclaris Study Site, St. Joseph, Missouri
Conditions: Atopic Dermatitis, Atopic, Dermatitis, AD, Eczema
A Study of Retatrutide (LY3437943) in the Maintenance of Weight Reduction in Individuals With Obesity
Recruiting
This is a study of retatrutide in participants with obesity. The main purpose is to learn more about how retatrutide maintains body weight loss. The study will have two treatment phases: an 80 week lead-in phase in which all participants will take retatrutide dose 1 and a 36 week randomized, double-blinded phase in which participants will either take retatrutide dose 1, retatrutide dose 2, or switch to placebo. Participation in the study will last around 125 weeks.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Alliance for Multispecialty Research, LLC, Kansas City, Missouri
Conditions: Obesity
SLV-154 Treatment of Metastatic Solid Tumors
Recruiting
This is a Phase 1 dose-escalation study evaluating the safety, pharmacokinetics, pharmacodynamics, immunogenicity, and efficacy of SLV-154 across a range of dose levels when administered to subjects with metastatic solid tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Washington University, Saint Louis, Missouri
Conditions: Squamous Cell Cancer of Head and Neck (SCCHN), NSCLC, SCLC, Cervical Cancer Metastatic, Breast Cancer Metastatic, Endometrial Cancer, Ovarian Cancer, Urothelial Cancer, Sarcoma, Thyroid Cancer