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Ketamine Treatment Options in California
A collection of 74 research studies where Ketamine is the interventional treatment. These studies are located in the California, United States. Ketamine is used for conditions such as Pain, Major Depressive Disorder and Depression.
13 - 24 of 74
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People who may be candidates for this procedure:
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¹ Kandzari DE, et al. J Am Coll Cardiol. Nov 7, 2023;82(19):1809-1823.
Conditions:
High Blood Pressure
High Blood Pressure (& [Essential Hypertension])
High Blood Pressure (Hypertension).
Hypertension
Essential Hypertension
Featured Trial
Paid Clinical Studies Nationwide
Recruiting
Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
Conditions:
Healthy
Healthy Volunteer Study
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There's a big difference between the price on a landing page and what you actually pay. We went all the way through checkout so you know exactly what to expect.
📋 5 providers ranked by true monthly cost
💵 Options starting as low as $149/month
🏥 Only licensed providers using FDA-registered pharmacies
⭐ Real Trustpilot scores included — including the ones with mixed reviews
🔒 Includes cancellation policy warnings so you don't get stuck
Conditions:
Weight Loss
Morbid Obesity
Featured Trial
Healthy Participants Needed (Colonoscopy + Cancer Screening)
Recruiting
Earn $325 - $475 in electronic payment card compensation for your time and effort by participating in a clinical study to develop a blood test that may one day help screen for colon cancer. Take a quick quiz to see if you qualify.
Conditions:
Healthy
Healthy Volunteers
Healthy Subjects
Healthy Volunteer
Healthy Participants
A Study to Evaluate the Efficacy, Safety, and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to compare the efficacy and safety of switching treatment-resistant depression (TRD) subjects from a prior antidepressant treatment (to which they have not responded) to either intranasal esketamine plus a new oral antidepressant or switching to a new oral antidepressant plus intranasal placebo.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: Not set, Orange, California +1 locations
Conditions: Treatment-resistant Depression
A Double-blind Study to Assess the Efficacy and Safety of Intranasal Esketamine for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Participants Who Are Assessed to be at Imminent Risk for Suicide
Completed
The purpose of this study is to evaluate the efficacy of intranasal esketamine 84 milligram (mg) compared with intranasal placebo along with standard care treatment, in reducing the symptoms of major depressive disorder (MDD) (an affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual activities, the mood disturbance is prominent and relatively persistent), including the risk for suicide as assessed by the Investigator, in participants who will be assess... Read More
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: Not set, San Diego, California
Conditions: Major Depressive Disorder
A Study to Evaluate the Safety and Efficacy of Intranasal Esketamine in Treatment-resistant Depression
Completed
The purpose of this study is to assess the efficacy and dose response of intranasal esketamine (Panel A: 28 mg, 56 mg, and 84 mg and Panel B: 14 mg and 56 mg) compared with placebo in improving depressive symptoms in participants with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
Between 20 years and 64 years
Trial Updated:
04/25/2025
Locations: Not set, Garden Grove, California
Conditions: Treatment Resistant Depressive Disorder
A Study to Evaluate the Efficacy, Safety, and Tolerability of Fixed Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to compare the efficacy and safety of switching treatment-resistant depression (TRD) participants from a prior antidepressant treatment (to which they have not responded) to either intranasal esketamine plus a new oral antidepressant or switching to a new oral antidepressant plus intranasal placebo.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: Not set, Garden Grove, California +4 locations
Conditions: Treatment-resistant Depression
A Study to Evaluate the Efficacy, Safety, and Tolerability of Intranasal Esketamine Plus an Oral Antidepressant in Elderly Participants With Treatment-resistant Depression
Completed
The purpose of this study is to evaluate the efficacy and safety of switching elderly participants with treatment-resistant depression (TRD) from a prior antidepressant treatment (to which they have not responded) to either intranasal esketamine plus a new oral antidepressant or switching to a new oral antidepressant plus intranasal placebo.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
04/25/2025
Locations: Not set, San Diego, California
Conditions: Depressive Disorder, Treatment-Resistant
54135419SUI3002: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide
Completed
The purpose of this study is to evaluate the efficacy of intranasal esketamine 84 milligram (mg) compared with intranasal placebo in addition to comprehensive standard of care in reducing the symptoms of Major Depressive Disorder (MDD), including suicidal ideation, in participants who are assessed to be at imminent risk for suicide, as measured by the change from baseline on the Montgomery-Asberg Depression Rating Scale (MADRS) total score at 24 hours post first dose.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: University of California San Diego/Psychiatry, San Diego, California +1 locations
Conditions: Depressive Disorder, Major
A Study of Intranasal Esketamine Plus an Oral Antidepressant for Relapse Prevention in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to assess the efficacy of intranasal esketamine plus an oral antidepressant compared with an oral antidepressant (active comparator) plus intranasal placebo in delaying relapse of depressive symptoms in participants with treatment-resistant depression (TRD) who are in stable remission after an induction and optimization course of intranasal esketamine plus an oral antidepressant.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: Not set, Anaheim, California +7 locations
Conditions: Depressive Disorder, Treatment-Resistant
A Long-term Safety Study of Esketamine Nasal Spray in Treatment-resistant Depression
Completed
The purpose of this study is to assess the safety and tolerability of esketamine nasal spray in participants with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/25/2025
Locations: Not set, Garden Grove, California +5 locations
Conditions: Depressive Disorder, Treatment-Resistant
54135419SUI3001: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide
Completed
The purpose of the study is to evaluate the efficacy of intranasal esketamine 84 milligram (mg) compared with intranasal placebo in addition to comprehensive standard of care in reducing the symptoms of Major Depressive Disorder (MDD), including suicidal ideation, in participants who are assessed to be at imminent risk for suicide, as measured by the change from baseline on the Montgomery-Asberg Depression Rating Scale (MADRS) total score at 24 hours post first dose.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
04/25/2025
Locations: Collaborative NeuroScience Network, Garden Grove, California
Conditions: Depressive Disorder, Major
A Study of Esketamine Nasal Spray, Administered as Monotherapy, in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to evaluate the efficacy of each individual dose of esketamine nasal spray, 56 milligram (mg) and 84 mg, compared with placebo nasal spray in improving depressive symptoms in participants with treatment resistant depression (TRD), as assessed by the change from baseline in the Montgomery-Asberg Depression Rating Scale (MADRS) total score from Day 1 (prerandomization) to the end of the 4 week double-blind treatment phase (Day 28).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/24/2025
Locations: Behavioral Research Specialists LLC, Glendale, California +8 locations
Conditions: Depressive Disorder, Treatment-Resistant
Ketamine for Veterans With Parkinson's Disease
Recruiting
Parkinson's disease (PD) is a devastating illness that has a growing impact on Veterans. One of the most disabling symptoms is depression, which is common in PD and linked to poor quality of life and higher risk of suicide. Unfortunately, there is a lack of effective treatments for depression in PD. Ketamine, which has rapid and potent antidepressant effects, is a potential option but has not been tested in Veterans with PD. Studies in rodents show that ketamine may not only improve depression i... Read More
Gender:
ALL
Ages:
Between 40 years and 80 years
Trial Updated:
04/11/2025
Locations: San Francisco VA Medical Center, San Francisco, CA, San Francisco, California
Conditions: Parkinson's Disease
Ketamine-Assisted Recovery for Methamphetamine Use Disorder & HIV
Recruiting
The goal of this clinical trial is to learn whether it is possible to use intramuscular (IM) ketamine in combination with psychotherapy to treat moderate-to-severe methamphetamine use disorder (MeUD) in publicly insured patients with or at-risk for HIV disease. The main questions it aims to answer are:
* Do publicly insured patients find ketamine-assisted psychotherapy feasible and acceptable as a potential treatment for MeUD?
* Is IM ketamine safe and tolerable among patients with MeUD?
Parti... Read More
Gender:
ALL
Ages:
Between 18 years and 69 years
Trial Updated:
04/01/2025
Locations: San Francisco Department of Public Health, San Francicso, California
Conditions: Methamphetamine Use Disorder
13 - 24 of 74
