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72 Clinical Trials near Missouri

Power is an online platform that helps thousands of patients discover FDA-reviewed trials every day. Every trial we feature meets safety and ethical standards, giving patients an easy way to discover promising new treatments in the research stage.

This trial is testing two different treatment combinations for patients with extensive-stage small cell lung cancer who have not received any prior treatment. One group will receive a new drug called Serplulimab along with standard chemotherapy, while the other group will receive an existing drug called Atezolizumab with the same chemotherapy. Both immunotherapy drugs aim to help the immune system fight cancer, and the chemotherapy drugs work by killing cancer cells. Atezolizumab has been shown to improve survival in small-cell lung cancer when combined with chemotherapy, changing the standard first-line therapy.
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
200 Participants Needed
This trial tests if adding a new drug called Serplulimab to standard treatments (chemotherapy and radiotherapy) can help patients with a specific type of lung cancer. Serplulimab aims to boost the immune system to fight cancer more effectively. Serplulimab has shown benefits when combined with chemotherapy in previous trials.
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 99
Sex:All
511 Participants Needed
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Fasedienol Nasal Spray for Social Anxiety

Saint Charles, Missouri
Active on Power
This Phase 3 clinical trial is designed to evaluate the Fasedienol Nasal Spray (fasedienol) for adults that are 18-65 who suffer from symptoms of social anxiety such as nervousness, worry or fear of judgement. In addition, there is an Open Label Extension phase of the study for patients that choose to participate where use of nasal spray for up to 12 months will be assessed.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65
Sex:All
236 Participants Needed
This trial is testing a new diabetes medication called orforglipron to see if it is safer and more effective than insulin in people with type 2 diabetes who are overweight or obese and at higher risk for heart problems. The study will last several years and involve multiple visits.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
2749 Participants Needed
This trial is testing gotistobart, a new drug that helps the immune system fight advanced lung cancer in patients who haven't responded to other treatments. It works by blocking a protein that allows cancer cells to hide from the immune system.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
600 Participants Needed
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Efgartigimod for Myositis

Kansas City, Kansas
This trial is testing an injectable medication called efgartigimod PH20 SC in people with certain muscle inflammation diseases. The goal is to see if it helps improve their condition by lowering harmful proteins in their blood. The study focuses on patients with specific subtypes of these diseases who often don't respond well to usual treatments. Efgartigimod was developed for autoimmune diseases and has been approved for treating a specific muscle condition in adults.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2, 3
Age:18+
Sex:All
240 Participants Needed
This is an open-label, multi-center, Phase 3 study to evaluate tapinarof cream, 1% in pediatric subjects with plaque psoriasis.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:2 - 17
Sex:All
100 Participants Needed
A Phase Ib/III Open-label, Randomised Study of Capivasertib plus CDK4/6 Inhibitors and Fulvestrant versus CDK4/6 Inhibitors and Fulvestrant in Hormone Receptor-Positive and Human Epidermal Growth Factor Receptor 2-Negative Locally Advanced, Unresectable or Metastatic Breast Cancer (CAPItello-292)
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 99
Sex:All
895 Participants Needed
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Tofersen for ALS

Saint Louis, Missouri
This trial is testing a medication called tofersen in adults who have a genetic mutation that can lead to ALS, a serious nerve disease. These individuals show early signs of nerve damage. Tofersen works by lowering harmful proteins in the body to protect nerves and potentially delay or prevent the disease.
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
158 Participants Needed
Semaglutide is a medicine studied in patients with NASH. Semaglutide is a well-known medicine, which is already used by doctors to treat type 2 diabetes in many countries. Participants will either get semaglutide or a dummy medicine - which treatment participants get is decided by chance. Participants will need to inject themselves with medicine under the skin. Participants will need to do this once a week. The study will last for about 5 years. Participants will have up to 21 clinic visits and 9 phone calls with the clinical staff during the study. Some of the clinic visits may be spread over more than one day. Participants with other chronic liver diseases cannot take part in this study. Women cannot take part in the study if they are pregnant, breast-feeding or plan to become pregnant during the study period.
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1205 Participants Needed
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ION363 for ALS

Saint Louis, Missouri
This trial is testing a new drug called ION363 to help people with a specific genetic form of ALS (FUS-ALS). The study will see if the drug can help these patients live longer and maintain their abilities better. Participants will receive the drug for a period of time, then all will get the drug for an extended duration.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:10 - 65
Sex:All
95 Participants Needed
This trial is testing belapectin, a medication aimed at helping people with a severe liver condition called NASH cirrhosis. The study focuses on patients who have high blood pressure in their liver but no swollen veins in their esophagus. Belapectin works by reducing liver inflammation and scarring, which can improve liver function and reduce health problems.
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 2, 3
Age:18 - 75
Sex:All
357 Participants Needed
This trial tested a combination of drugs for patients with advanced breast cancer that has a specific genetic mutation. The goal was to see if this combination could better control the cancer by blocking growth signals. The study was stopped due to changes in treatment approaches, not because of safety issues.
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 100
Sex:All
19 Participants Needed
This study is open to adults with bronchiectasis. People can participate in this study if they produce sputum and have had flare-ups (also called exacerbations). The purpose of this study is to find out whether a medicine called BI 1291583 helps people with bronchiectasis. Participants are put into 2 groups randomly, which means by chance. One group takes BI 1291583 tablets and the other group takes placebo tablets. A placebo tablet looks like the BI 1291583 tablet but does not contain any medicine. Participants take 1 tablet once a day for up to 1 year and 6 months. Participants are in the study for up to 1 year and 8 months. During this time, participants visit the study site up to 10 times and get about 13 phone calls from the site staff. Participants complete a daily diary on a smartphone about their bronchiectasis symptoms and study doctors regularly check for any changes. The study doctors document when participants experience flare-ups. The number of flare-ups is compared between the participants who receive BI 1291583 and those who receive the placebo. The study doctors also regularly check participants' health and take note of any unwanted effects.
Pivotal Trial
Trial Details
Trial Status:Not Yet Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1680 Participants Needed
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Retatrutide for Obesity

Springfield, Illinois
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.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
586 Participants Needed
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Bionetide for Rett Syndrome

Saint Louis, Missouri
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
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:5 - 20
Sex:Female
210 Participants Needed
Adults 18 years of age and older or above legal age with lung fibrosis related to systemic autoimmune rheumatic disease can participate in this study. People can only take part if they show no improvement in lung function after standard treatment with immunosuppressant medicine. The main purpose of this study is to find out how a medicine called nerandomilast affects the lungs in people with systemic autoimmune rheumatic disease. Participants are put into 2 groups randomly, which means by chance. One group takes nerandomilast tablets and the other group takes placebo tablets. Placebo tablets look like nerandomilast tablets but do not contain any medicine. Participants take a tablet 2 times a day for 26 weeks. Participants continue immunosuppressant treatment for their underlying rheumatic disease. Participants are in the study for about 7.5 months. During this time, they visit the study site 8 times. At study visits, participants have lung function tests. At select visits, chest imaging is performed. Participants fill in questionnaires about their symptoms and quality of life. The results between the 2 groups are compared to see whether the treatment works. The doctors also regularly check participants' health and take note of any unwanted effects.
Pivotal Trial
Trial Details
Trial Status:Not Yet Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
400 Participants Needed
AVX-001 (LUCIDITY) is a Phase 3 study to evaluate avexitide compared to placebo in participants with post bariatric hypoglycemia (PBH) related to Roux-en-Y gastric bypass (RYGB). The study will assess avexitide compared to placebo for safety and efficacy, measured by reduction of hypoglycemic events. The study includes a Screening period with a Run-in period (of up to 6- and 3-weeks, respectively); a randomized, double-blind, placebo-controlled study treatment period of 16 weeks; and a two-part open-label extension (OLE) period with a duration of approximately 32 weeks.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
75 Participants Needed
The purpose of this study is to assess the consistency of immune response to three different lots of GSK's investigational varicella vaccine (VNS Vaccine), and to compare the safety and immune response of VNS vaccine to an already approved varicella vaccine (VV) known as Varivax. The study will be conducted in healthy children aged 12 to 15 months, who have neither contracted varicella nor received a varicella vaccination.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:12 - 15
Sex:All
1840 Participants Needed
This study will assess how effective, safe, and long-lasting a long-acting antiretroviral therapy (ART) using CAB LA + RPV LA is for people with HIV who still have detectable virus levels despite being on oral ART. The study will also consider feedback from patients on their experience with this treatment.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:12+
Sex:All
332 Participants Needed
This is a phase 3 randomized, double -masked study comparing the efficacy of EYP-1901 against Aflibercept.
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:50+
Sex:All
400 Participants Needed
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Low Dose Tamoxifen for Breast Cancer

Cape Girardeau, Missouri
This phase III trial compares the effect of low dose tamoxifen to usual hormonal therapy, including aromatase inhibitors, in treating post-menopausal women with hormone positive, HER2 negative early stage breast cancer. Tamoxifen is in a class of medications known as antiestrogens. It blocks the activity of estrogen (a female hormone) in the breast. This may stop the growth of some breast tumors that need estrogen to grow. Aromatase inhibitors, such as anastrozole, letrozole, and exemestane, prevent the formation of estradiol, a female hormone, by interfering with an aromatase enzyme. Aromatase inhibitors are used as a type of hormone therapy to treat postmenopausal women with hormone-dependent breast cancer. Giving low dose tamoxifen may be more effective compared to usual hormone therapy in treating post-menopausal women with hormone-positive, HER2 negative early stage breast cancer.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1156 Participants Needed
This is a phase 3 randomized, double -masked study comparing the efficacy of EYP-1901 against Aflibercept.
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:50+
Sex:All
400 Participants Needed
This phase III trial compares the effect of adding tivozanib to standard therapy pembrolizumab versus pembrolizumab alone for the treatment of patients with high-risk renal cell carcinoma (RCC). Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Tivozanib is in a class of medications called kinase inhibitors. It works by blocking the action of the abnormal protein that signals tumor cells to multiply. This helps stop the spread of tumor cells. Giving pembrolizumab and tivozanib together may work better than pembrolizumab alone in treating patients with RCC.
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1040 Participants Needed
This study is open to adults who are at least 18 years old and have: * A confirmed liver disease called non-alcoholic steatohepatitis (NASH) or * A confirmed liver disease called metabolic-associated steatohepatitis (MASH) * BMI of 27 kg/m2 or more or * 25 kg/m2 or more if the participant is Asian. People with a history of other chronic liver diseases or high alcohol intake cannot take part in this study. The purpose of this study is to find out whether a medicine called survodutide helps people with NASH or MASH improve their liver function. Participants are put into 2 groups randomly, which means by chance. 1 group gets survodutide and 1 group gets placebo. Placebo looks like survodutide but does not contain any medicine. Each participant has twice the chance of getting survodutide. Participants and doctors do not know who is in which group. Participants inject survodutide or placebo under their skin once a week. All participants regularly receive counselling to make changes to their diet and to exercise regularly. Participants are in the study for up to 4 and a half years. During this time, they visit the study site or have a remote visit by video call every 2, 4 or 6 weeks for about a 1 year and 5 months. After this time participants visit the trial site or have a remote visit every 3 months until the end of the study. The doctors check participants' health and take note of any unwanted effects. The participants' body weight is regularly measured. At some visits the liver parameters are measured using different imaging methods. The participants also fill in questionnaires about their symptoms. The results are compared between the groups to see whether the treatment works.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1590 Participants Needed
This study is open to adults who are at least 18 years old and have: * a confirmed liver disease called non-alcoholic steatohepatitis (NASH)/metabolic-associated steatohepatitis (MASH) and * moderate or advanced liver fibrosis People with a history of acute or chronic liver diseases other than MASH or chronic alcohol intake cannot take part in this study. The purpose of this study is to find out whether a medicine called survodutide helps people with MASH and moderate or advanced liver fibrosis improve their liver function. This study has 2 parts. The purpose of the first part of this study is to find out the effect of survodutide on MASH and liver fibrosis. The purpose of the second part is to find out how safe and effective survodutide is in improving liver function. Participants are put into 2 groups randomly, which means by chance. 1 group gets survodutide and 1 group gets placebo. Placebo looks like survodutide but does not contain any medicine. Each participant has twice the chance of getting survodutide. Participants and doctors do not know who is in which group. Participants inject survodutide or placebo under their skin once a week. The survodutide doses are slowly increased until the target dose is reached. All participants receive counselling to make changes to their diet and to exercise regularly. Participants are in the study for up to 7 years. During this time, they regularly visit the study site or have remote visits by video call. For about the first year of the study, participants have these visits every 2 weeks, increasing to every 4 weeks and then every 6 weeks. After being in the study for a little over a year participants will then alternate between visiting the study site or having a remote visit every 3 months until the end of the study. The doctors check participants' health and take note of any unwanted effects. The participants' body weight and effects on the stomach and intestines are regularly measured. At some visits the liver is measured using different imaging methods. At 2 or 3 visits doctors take a small sample of liver tissue (biopsy). The participants also fill in questionnaires about their symptoms and quality of life. The results are compared between the groups to see whether the treatment works.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1800 Participants Needed
This phase III trial compares standard therapy given after surgery (adjuvant) to standard therapy given before and after surgery (perioperative) in treating patients with stage II-IIIB non-small cell lung cancer (NSCLC) that can be removed by surgery (resectable). The usual approach for patients with resectable NSCLC is chemotherapy and/or immunotherapy before surgery, after surgery, or both before and after surgery. This study is being done to find out which approach is better at treating patients with lung cancer. Treatment will be administered according to the current standard of care at the time of enrollment. Chemotherapy options may include cisplatin, carboplatin, pemetrexed, gemcitabine, docetaxel, and vinorelbine at standard doses according to the treating physician. Cisplatin is in a class of medications known as platinum-containing compounds. It works by killing, stopping or slowing the growth of tumor cells. Carboplatin is in a class of medications known as platinum-containing compounds. It works in a way similar to the anticancer drug cisplatin, but may be better tolerated than cisplatin. Carboplatin works by killing, stopping or slowing the growth of tumor cells. Pemetrexed is in a class of medications called antifolate antineoplastic agents. It works by stopping cells from using folic acid to make deoxyribonucleic acid (DNA) and may kill tumor cells. Gemcitabine is a chemotherapy drug that blocks the cells from making DNA and may kill tumor cells. Docetaxel is in a class of medications called taxanes. It stops tumor cells from growing and dividing and may kill them. Other chemotherapy drugs, such as vinorelbine, 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 . Immunotherapy with monoclonal antibodies, such as nivolumab, pembrolizumab, and atezolizumab, may help the body's immune system attack the tumor, and may interfere with the ability of tumor cells to grow and spread. Starting treatment with chemotherapy and immunotherapy prior to surgery and continuing treatment after surgery may be a more effective treatment option than adjuvant therapy alone in patients with stage II-IIIB resectable NSCLC.
Stay on current meds
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
1100 Participants Needed
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RMC-6236 for Pancreatic Cancer

Saint Louis, Missouri
The purpose of this study is to evaluate the safety and efficacy of a novel RAS(ON) inhibitor compared to standard(s) of care (SOC) treatment.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
460 Participants Needed
NTX-001 is a single use surgical product intended for use in conjunction with standard suture neurorrhaphy of severed nerves in patients between 18 and 80.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 80
Sex:All
98 Participants Needed
This phase III trial compares the effect of adding cetuximab to pembrolizumab versus pembrolizumab alone in treating patients with head and neck squamous cell carcinoma (HNSCC) that has come back after a period of improvement (recurrent) and/or that has spread from where it first started (primary site) to other places in the body (metastatic). Cetuximab is in a class of medications called monoclonal antibodies. It binds to a protein called EGFR, which is found on some types of tumor cells. This may help keep tumor cells from growing. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the tumor, and may interfere with the ability of tumor cells to grow and spread. Giving cetuximab and pembrolizumab together may be more effective at treating patients with recurrent and/or metastatic HNSCC than pembrolizumab alone.
No Placebo Group
Prior Safety Data
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
158 Participants Needed
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Frequently Asked Questions

How much do clinical trials in Missouri pay?

Each trial will compensate patients a different amount, but $50-100 for each visit is a fairly common range for Phase 2–4 trials (Phase 1 trials often pay substantially more). Further, most trials will cover the costs of a travel to-and-from the clinic.

How do clinical trials in Missouri work?

After a researcher reviews your profile, they may choose to invite you in to a screening appointment, where they'll determine if you meet 100% of the eligibility requirements. If you do, you'll be sorted into one of the treatment groups, and receive your study drug. For some trials, there is a chance you'll receive a placebo. Across trials in Missouri 30% of clinical trials have a placebo. Typically, you'll be required to check-in with the clinic every month or so. The average trial length in Missouri is 12 months.

How do I participate in a study as a "healthy volunteer"?

Not all studies recruit healthy volunteers: usually, Phase 1 studies do. Participating as a healthy volunteer means you will go to a research facility in Missouri several times over a few days or weeks to receive a dose of either the test treatment or a "placebo," which is a harmless substance that helps researchers compare results. You will have routine tests during these visits, and you'll be compensated for your time and travel, with the number of appointments and details varying by study.

What does the "phase" of a clinical trial mean?

The phase of a trial reveals what stage the drug is in to get approval for a specific condition. Phase 1 trials are the trials to collect safety data in humans. Phase 2 trials are those where the drug has some data showing safety in humans, but where further human data is needed on drug effectiveness. Phase 3 trials are in the final step before approval. The drug already has data showing both safety and effectiveness. As a general rule, Phase 3 trials are more promising than Phase 2, and Phase 2 trials are more promising than phase 1.

Do I need to be insured to participate in a medical study in Missouri ?

Clinical trials are almost always free to participants, and so do not require insurance. The only exception here are trials focused on cancer, because only a small part of the typical treatment plan is actually experimental. For these cancer trials, participants typically need insurance to cover all the non-experimental components.

What are the newest clinical trials in Missouri ?

Most recently, we added Nerandomilast for Interstitial Lung Disease, BI 1291583 for Bronchiectasis and Bionetide for Rett Syndrome to the Power online platform.