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47 Major Depressive Disorder Trials near Tampa, FL

Power is an online platform that helps thousands of Major Depressive Disorder 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.

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Seltorexant for Depression

Tampa, Florida
This trial is testing seltorexant to see if it can help people with depression and insomnia who haven't improved with their current antidepressants. Seltorexant aims to improve mood and sleep by acting on certain brain receptors.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Age:18 - 74
Sex:All
752 Participants Needed
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Aticaprant for Depression

Tampa, Florida
This trial is testing if aticaprant can help adults with major depressive disorder who haven't responded well to current antidepressants. The medication works by targeting brain chemicals to improve mood and pleasure.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Age:18 - 64
Sex:All
350 Participants Needed
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JNJ-89495120 for Depression

Tampa, Florida
The purpose of this study is to evaluate how well JNJ-89495120 works (anti-depressant effects) and how well it is tolerated as compared to placebo on reducing the symptoms of depression in participants with major depressive disorder (MDD).
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 64
Sex:All
124 Participants Needed
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Aticaprant + Antidepressant for Depression

Tampa, Florida
The purpose of this study is to assess how well aticaprant works compared to placebo when given in addition to antidepressant therapy (selective serotonin reuptake inhibitor \[SSRI\] or serotonin-norepinephrine reuptake inhibitor \[SNRI\]) in preventing return of depression symptoms in participants with major depressive disorder who experience a loss of interest and pleasure and who achieve a stable response after treatment with adjunctive aticaprant.
Stay on current meds
Pivotal Trial
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 64
Sex:All
660 Participants Needed
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SEP-363856 for Depression

Tampa, Florida
Active on Power
A Phase 2/3 Trial is designed to evaluate SEP-363856 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2, 3
Age:18 - 65
Sex:All
900 Participants Needed
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NMRA 335140 for Depression

Tampa, Florida
This trial is testing a new medication called NMRA 335140 to see if it can help people with Major Depressive Disorder feel less depressed. The study involves an initial evaluation and a treatment phase where participants will receive either the medication or an inactive substance. The medication likely works by changing brain chemicals that affect mood.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Age:18 - 65
Sex:All
332 Participants Needed
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NMRA-335140 for Depression

Tampa, Florida
This is a randomized, double-blind, placebo-controlled, multicenter study to evaluate the effects of NMRA-335140 (formerly BTRX-335140) on symptoms of depression in participants with Major Depressive Disorder (MDD). The study design consists of a Screening Period (up to 28 days), and a 6-week Treatment Period (during which participants will receive either NMRA-335140 or placebo). At the completion of the 6-week Treatment Period, participants who complete the study, provide informed consent, and meet the eligibility criteria may enter an open-label extension study (NMRA-335140-501).
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65
Sex:All
332 Participants Needed
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NMRA-335140 for Depression

Tampa, Florida
This trial is testing a new medication called NMRA-335140 to see if it helps people with major depressive disorder. It includes participants who have no safety concerns. The medication aims to improve mood by affecting brain chemicals.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65
Sex:All
650 Participants Needed
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Lumateperone for Major Depressive Disorder

Tampa, Florida
This trial is testing lumateperone, a medication that may help people with depression who haven't improved with other treatments. The study includes patients diagnosed with Major Depressive Disorder who haven't responded well to their current antidepressants. Lumateperone works by balancing brain chemicals that affect mood, potentially improving depressive symptoms.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65
Sex:All
470 Participants Needed
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Psilocybin Analog for Depression

Tampa, Florida
The purpose of this study is to examine the efficacy, safety, and tolerability of CYB003 compared to matching placebo as adjunctive treatment in participants with MDD.
Stay on current meds
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 85
Sex:All
220 Participants Needed
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BHV-7000 for Depression

Tampa, Florida
This trial is testing a new medication called BHV-7000 to see if it is safe and well-tolerated over several months in people with Major Depressive Disorder. The goal is to help those who suffer from severe depression by potentially offering a new treatment option.
No Placebo Group
Trial Details
Trial Status:Enrolling By Invitation
Trial Phase:Phase 2
Age:18 - 75
Sex:All
480 Participants Needed
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Centanafadine for Depression

Tampa, Florida
This is a phase 2, multicenter, randomized, double-blind, placebo-controlled, parallel-arm trial to assess the efficacy, safety, and tolerability of centanafadine once-daily (QD) extended-release (XR) capsules for the treatment of adult subjects diagnosed with Major Depressive Disorder (MDD). The trial will evaluate the efficacy and safety of centanafadine QD XR capsules as monotherapy or as adjunct to the selective serotonin reuptake inhibitor (SSRI), escitalopram.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 65
Sex:All
336 Participants Needed
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Psilocybin for Treatment-Resistant Depression

Tampa, Florida
This trial is testing COMP360, a new treatment for adults who have not responded to other depression treatments. Participants will receive one of three doses of COMP360 along with psychological support. The goal is to see if this combination can help improve their depression symptoms.
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 80
Sex:All
568 Participants Needed
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NMRA-335140 for Depression

Brandon, Florida
This trial is testing a new medication called NMRA-335140 to see if it can help people with severe depression. The study involves participants with Major Depressive Disorder and aims to find out if the medication can improve their mood by altering brain chemicals.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
332 Participants Needed
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ABX-002 for Depression

Brandon, Florida
The goal of this clinical trial is to learn if ABX-002 added to an existing antidepressant treatment will benefit depression symptoms in adults with moderate to severe major depressive disorder who have had an inadequate response to their antidepressant. This is a double-blind, placebo-controlled, 2-arm, parallel-group, Phase 2 study, randomized 1:1 (ABX-002: placebo). The study will include the following stages: 1. Screening, Treatment, and Follow-Up ; approximately 35 days 2. 42-day Treatment Period 3. 2-week post dose Safety Follow-up Period
Trial Details
Trial Status:Recruiting
Age:18 - 65
Sex:All
230 Participants Needed
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AXS-05 for Depression

Brandon, Florida
This trial is testing AXS-05, a new medication, to see if it can prevent depression from returning in people who have already improved with it. The study focuses on those with major depressive disorder and aims to maintain their balanced brain chemicals to keep them feeling better. AXS-05 (a combination of dextromethorphan and bupropion) has shown positive results in previous trials for major depressive disorder.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 4
Age:18 - 65
Sex:All
350 Participants Needed
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Psilocybin for Treatment-Resistant Depression

Tampa, Florida
This trial is testing a new medication called COMP360 to help people with severe depression that hasn't improved with other treatments. The study involves adults aged 18 and older. Researchers want to see if a single dose of COMP360 can reduce depression symptoms when given with psychological support.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
255 Participants Needed
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SP-624 for Depression

Pinellas Park, Florida
Active on Power
This trial is testing the efficacy of an investigational drug, SP-624 (study drug) to see how well it might work to treat major depressive disorder.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 65
Sex:All
456 Participants Needed
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Azetukalner for Depression

Lakeland, Florida
X-NOVA2 is a Phase 3, multicenter, randomized, double-blind, placebo-controlled study to evaluate the clinical efficacy, safety, and tolerability of azetukalner as a monotherapy in adult participants diagnosed with Major Depressive Disorder (MDD)
Pivotal Trial
Trial Details
Trial Status:Recruiting
Age:18 - 74
Sex:All
450 Participants Needed
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ALTO-203 for Depression

Clermont, Florida
The goal of this clinical trial is to determine the pharmacodynamic effects of ALTO-203 in patients with MDD in a randomized, placebo-controlled, single-dose crossover treatment period. Additionally, safety, tolerability, and PK will be assessed in a subsequent randomized placebo-controlled multi-dose parallel-group treatment period of 28 days. Participants will complete subjective response questionnaires and perform cognitive tasks during the single-dose period, in which participants will receive ALTO-203 25 μg and 75 μg, as well as placebo. During the multiple-dose period, participants will receive either ALTO-203 25 μg, 75 μg , or placebo. Safety will be assessed over the single dose and 28-day multiple dose periods.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:25 - 64
Sex:All
60 Participants Needed
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Aticaprant for Depression

Orlando, Florida
This trial is testing aticaprant to see if it can help adults with major depressive disorder and anhedonia who haven't responded well to other antidepressants. Aticaprant works by blocking certain receptors in the brain to potentially improve depressive symptoms.
Stay on current meds
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:22 - 74
Sex:All
710 Participants Needed
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BI 1569912 for Depression

Orlando, Florida
This study is open to adults between 18 and 65 years of age with a type of depression called major depressive disorder. The purpose of the study is to find out whether a medicine called BI 1569912 helps people with depression. Participants are put into 4 groups randomly, which means by chance. Three of the 4 groups take different doses of BI 1569912 and 1 group takes placebo. Placebo tablets looks like BI 1569912 but do not contain any medicine. Participants take the tablets once a day for 6 weeks. Participants are in the study for about 2.5 months. During this time, they visit the study site at least 7 times. At the visits, doctors and their staff ask participants about their depression symptoms. At the end of the study, the results are compared between the groups to see whether the treatment works. The doctors also regularly check the general health of participants and take note of any unwanted effects.
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 2
Age:18 - 65
Sex:All
224 Participants Needed
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Psilocybin for Depression

Orlando, Florida
This trial is testing psilocybin, a substance from mushrooms, to see if it can help adults with depression who may not respond well to current treatments. Psilocybin works by affecting brain chemicals related to mood. Psilocybin has shown promise as a treatment for major depressive disorder and was designated as a breakthrough therapy by the FDA in 2019.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:Male
240 Participants Needed
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Zelquistinel for Depression

Orlando, Florida
The goal of this clinical trial is to learn if GATE-251 works to treat depression in adults. It will also learn about the safety of GATE-251. The main questions it aims to answer are: Does GATE-251 reduce depression scores in participants compared to participants who take a placebo (a look-alike tablet that contains no GATE-251)? What medical problems are observed in participants who take GATE-251? Participants will take one tablet of GATE-251 or placebo every week for 6 weeks. Participants will visit the clinic every week of the 6 week period to have the severity of their depression evaluated.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 64
Sex:All
164 Participants Needed
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Fosigotifator for Depression

Orlando, Florida
Major depressive disorder (MDD; depression) is a mood disorder that causes a continued feeling of sadness and loss of interest. It is a common and serious illness that can cause both emotional and physical symptoms such as feelings of sadness, irritability, not being able to focus on activities, tiredness, changes in eating habits, and aches and pains. The main goal of the study is to evaluate how safe and effective fosigotifator is in treating MDD. Fosigotifator (ABBV-CLS-7262) is a new treatment being developed for adult patients with depression. This study is double-blinded, which means that neither the patients nor the study doctors know who is given fosigotifator and who is given placebo. Participants will be randomly assigned to one of the two groups to receive fosigatofator or placebo. There is 1 in 2 chance that participants will receive placebo. Approximately 106 adult participants with MDD will be enrolled in approximately 15 sites across the world. Participants will receive oral fosigotifator or matching placebo. Duration of the study is approximately 144 days. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular weekly visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 1
Age:20 - 70
Sex:All
106 Participants Needed
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Digital Therapeutics for Depression

Orlando, Florida
This trial tests a digital brain training program for older adults with depression-related apathy. The program is expected to improve brain connections and reduce apathy symptoms by enhancing cognitive control.
No Placebo Group
Trial Details
Trial Status:Not Yet Recruiting
Trial Phase:Unphased
Age:60+
Sex:All
84 Participants Needed
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Solriamfetol for Depression

Orlando, Florida
This trial is testing solriamfetol, a medication that may help improve symptoms of depression. It targets adults with major depressive disorder (MDD) who do not have psychotic features. Solriamfetol works by affecting brain chemicals involved in mood regulation, potentially helping to improve mood and reduce depression symptoms.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65
Sex:All
300 Participants Needed
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NBI-1070770 for Depression

Maitland, Florida
To evaluate the efficacy, safety, and tolerability of NBI-1070770 compared to placebo on improving symptoms of depression in participants with major depressive disorder (MDD).
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 65
Sex:All
72 Participants Needed
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NMRA-335140 for Bipolar Depression

Maitland, Florida
This trial is testing a new medication called NMRA-335140 to see if it can help adults with Bipolar II disorder who are experiencing major depression. The medication aims to improve mood and reduce feelings of depression.
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 2
Age:18 - 65
Sex:All
60 Participants Needed
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Aticaprant for Depression

Naples, Florida
This trial is testing if adding aticaprant to current antidepressants is safe and well-tolerated in people with major depressive disorder. The goal is to see if it can help improve their treatment.
Stay on current meds
No Placebo Group
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 74
Sex:All
840 Participants Needed
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How Do Clinical Trials Work?Are Clinical Trials Safe?What Can I Expect During a Clinical Trial?

Frequently Asked Questions

How much do Major Depressive Disorder clinical trials in Tampa, FL 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 Major Depressive Disorder clinical trials in Tampa, FL 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 Major Depressive Disorder trials in Tampa, FL 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 Tampa, FL for Major Depressive Disorder 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 Tampa, FL 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 Major Depressive Disorder medical study in Tampa, FL ?

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 Major Depressive Disorder clinical trials in Tampa, FL ?

Most recently, we added Digital Therapeutics for Depression, rTMS Dosing for Depression Post-Spinal Cord Injury and Zelquistinel for Depression to the Power online platform.

What do the "Power Preferred" and "SuperSite" badges mean?

We recognize research clinics with these awards when they are especially responsive to patients who apply through the Power online platform. SuperSite clinics are research sites recognized for a high standard of rapid and thorough follow-up with patient applicants. Meanwhile, Power Preferred clinics are the top 20 across the entire Power platform, recognized for their absolute top patient experience.

Which clinics have received Power Preferred and SuperSite awards recruiting for Major Depressive Disorder trials in Tampa, FL ?

The Major Depressive Disorder clinics in Tampa, FL currently recognized as Power Preferred are: Accel Clinical in Lakeland, Florida The Major Depressive Disorder clinics in Tampa, FL currently recognized as SuperSites are: Clinical Neuroscience Solutions Inc in Jacksonville, Florida Clinical Neuroscience Solutions in Jacksonville, Florida

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