- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04152993
Responsive Neurostimulation for Post-Traumatic Stress Disorder
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Early Phase 1
Contacts and Locations
Study Contact
- Name: Sonja Hiller
- Phone Number: 3107947517
- Email: shiller@mednet.ucla.edu
Study Contact Backup
- Name: Virginia Janovsky
- Phone Number: 3107947517
- Email: virginia.janovsky@va.gov
Study Locations
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California
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Los Angeles, California, United States, 90073
- Recruiting
- VA Greater Los Angeles
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Contact:
- Virginia Janovsky
- Email: virginia.janovsky@va.gov
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male aged 25-60 years.
- Able to give informed consent in accordance with institutional policies and participate in the 4-year follow-up, involving assessments and stimulator adjustments.
- Patients must be stable on their current psychotropic medication for a period of 2 months before implantation and agree to not increase dosages or add any new medications for the first 6 months of the study, unless medically necessary.
- Chart diagnosis of chronic and treatment-refractory PTSD as the principal psychiatric diagnosis and cause of distress and social/occupational impairment.
- Confirmation of PTSD as the primary psychiatric diagnosis by the study psychiatrist via clinical interview and CAPS.
- Minimum 5-year total illness duration, with no 6-month period of clinical remission during the 2 years prior to entry in the study.
- Stage 2 level of treatment resistance as per Sippel et al.136: Clinical record documented failure to respond to adequate (minimum 3 month, with adherence) trials of at least 3 of the following evidence-based treatments including at least one pharmacologic agent below, and at least one trauma-focused individual cognitive-behavior psychotherapy among the following: Pharmacologic: sertraline, paroxetine, fluoxetine or venlafaxine, at maximally tolerated FDA recommended doses. Psychotherapy: Prolonged Exposure Therapy (PE); Cognitive Processing Therapy (CPT); Eye movement Desensitization and Reprocessing (EMDR); or other form of evidence-based cognitive behavior therapy for PTSD
- Patients who are unable to complete trauma-focused psychotherapy may be included if they began treatment, and the cause of treatment cessation was that the risks of further treatment, including intense psychological suffering, outweighed the potential benefits of continuing the treatment.
- All evidence-based psychotherapy for PTSD has been completed a minimum of 3 months prior to enrolment.
- Minimum baseline past month CAPS-5 Score of 47, with full PTSD diagnostic criteria met, and scores of ≥ 3 on at least one item from the intrusive (CAPS-5 items 1-5) and hyperarousal (CAPS-5 Items 15-20) clusters; and this severity maintained for at least one month during the baseline period based on two separate measures.
- Clinically significant impairment in occupational functioning due to PTSD, manifested by one or more of the following: a) Total federal (service connected ≥ 70%), or State (SSI) disability compensation for at least the past 2 years for PTSD; b) global assessment of functioning score ≤ 45; c) no period of full time gainful employment ≥ 3 months in the past 5 years. Or clinically significant impairment in social functioning due to PTSD, manifested by one or more of the following: (i) little or no social activity outside the household other than as necessary for medical appointments, practical matters such as grocery shopping, or to interact with other veterans; (ii) reliable description by a spouse or significant other, living with the patient, of repeated avoidance/refusal to participate in customary social engagements with friends, family or for recreational activities due to PTSD; (iii) two or more verbal or physical interpersonal altercations within the past year requiring another person's intervention to prevent further escalation, or involving law enforcement.
- Presence in the veteran's life of a spouse, family member or friend who can confirm the symptoms and impairment from PTSD and lack of symptomatic remission in the past 2 years; participate with the study psychiatrist in answering questions about symptoms and functioning at scheduled follow-up visits; and report unexpected adverse neurological or psychiatric events to study investigators and, if advised by study investigators, assist the patient in accessing necessary services to address obtain care.
- Willingness to have unexpected neurological or psychiatric symptom shared with the study psychiatrists and other study clinicians.
- Other medical conditions must be stable for at least 1 year, (conditions that require intermittent use of steroids or chemotherapy are excluded).
Exclusion Criteria:
- Suicide attempt in the last 2 years and/or presence of a suicide plan (an answer of "Yes" to Question C4 in Section C-Suicidality of MINI International Neuropsychiatric Interview);
- Unstable psychosis or bipolar disorder; significant acute or ongoing risk for violence;
- Patients primarily diagnosed with DSM-IV-TR Axis I disorder other than PTSD as determined by the MINI;
- Within the 3 months prior to enrolment, subject has started a new psychotherapy program;
- Alcohol or illicit substance use disorder within the last 6 months, unstable remission of substance abuse, or chart evidence that co-morbid substance use disorder could account for lack of treatment response;
- Current significant neurological conditions, including epilepsy, stroke, movement disorder; history of serious head injury with loss of consciousness if associated with neurological or neuropsychological deficit that could interfere with study participation or outcome assessment; or if associated with structural MRI abnormality.
- Uncontrolled medical condition including cardiovascular problems and diabetes;
- Uncontrolled chronic pain;
- Baseline Montgomery Asberg Depression Rating Scale (MADRS) of ≥ 28;
- Use of warfarin;
- Significant abnormality on preoperative structural brain MRI;
- ECT in the past 6 months;
- Contraindications to MRIs or the need for recurrent body MRIs;
- Immunosuppression;
- High risk for surgery;
- Current pursuit of new or increased disability compensation for PTSD;
- Intracranial implants (aneurysm clip, shunt, cochlear implant, electrodes);
- Patient has had past cranial neurosurgery;
- Use of other investigational drugs within 30 days of baseline.
- Patients suffering from a neurovascular condition or other intracranial process.
- Patients suffering from a condition associated with a significant cognitive impairment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: RNS group
This study consists in only one arm.
In this arm, the patients will undergo the placement of the RNS implant and the subsequent RNS programming to optimize the PTSD symptoms.
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In this intervention, patients suffering from PTSD undergo a surgical procedure to implant the responsive neurostimulation device (RNS, NeuroPace).
This procedure involves the placement of a depth lead bilaterally in the amygdala and hippocampus following a trans-occipital trajectory.
The two leads are then connected to a pulse generator fixated to the skull.
RNS is able to detect specific signals from the target and to respond with a programmed electrical stimulation.
One month after the implantation of the system, the patients will undergo 3 tasks: a fear conditioning task, the international affective picture system and the subsequent memory recall paradigm.
These tasks will yield electrophysiological biomarkers of arousal and re-experiencing.
We will then program RNS to detect and respond to those biomarkers.
The patients will be followed longitudinally for improvement and evidence of target engagement as seen on cerebral metabolism and global electroencephalography.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Spectral power analysis and oscillatory properties
Time Frame: Baseline
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This is associated with Specific Aim 1: To determine electrophysiological biomarkers of fear, extinction and PTSD symptoms.
The metric for measurement will be Better Oscillation Detection (BOSC)
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Baseline
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Spectral power analysis and oscillatory properties
Time Frame: through study completion, an average of 1 year
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This is associated with Specific Aim 1: To determine electrophysiological biomarkers of fear, extinction and PTSD symptoms.
The metric for measurement will be Better Oscillation Detection (BOSC)
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through study completion, an average of 1 year
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Cross-frequency coupling and power coherence comodulograms
Time Frame: Baseline
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This is associated with Specific Aim 1: To determine electrophysiological biomarkers of fear, extinction and PTSD symptoms.
The metric for measurement will be modulation index.
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Baseline
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Cross-frequency coupling and power coherence comodulograms
Time Frame: through study completion, an average of 1 year
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This is associated with Specific Aim 1: To determine electrophysiological biomarkers of fear, extinction and PTSD symptoms.
The metric for measurement will be modulation index.
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through study completion, an average of 1 year
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Region of Interest analysis (FDG PET)
Time Frame: Baseline
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be Cerebral metabolic rate of glucose (CMRglc)
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Baseline
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Region of Interest analysis (FDG PET)
Time Frame: After initial exposure session
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be Cerebral metabolic rate of glucose (CMRglc)
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After initial exposure session
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Region of Interest analysis (FDG PET)
Time Frame: 12 months post-operatively
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be Cerebral metabolic rate of glucose (CMRglc)
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12 months post-operatively
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Alpha rhythm frequency (EEG)
Time Frame: Baseline
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be frequency (Hertz)
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Baseline
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Alpha rhythm frequency (EEG)
Time Frame: monthly after implantation for the first year
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be frequency (Hertz)
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monthly after implantation for the first year
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Alpha rhythm frequency (EEG)
Time Frame: quarterly during year 2-4
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be frequency (Hertz)
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quarterly during year 2-4
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Source localization (EEG)
Time Frame: Baseline
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be discrete dipole fitting.
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Baseline
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Source localization (EEG)
Time Frame: through study completion, an average of 1 year
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This is associated with Specific Aim 2: To determine engagement of fear processing neural networks by neurostimulation.
The metric for measurement will be discrete dipole fitting.
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through study completion, an average of 1 year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinician Administered PTSD Scale
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score.
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Baseline
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Clinician Administered PTSD Scale
Time Frame: monthly after implantation for the first year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score.
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monthly after implantation for the first year
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Occurrence of adverse events
Time Frame: through study completion, an average of 1 year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by frequency/severity.
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through study completion, an average of 1 year
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Psychological scales (HAMA)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Psychological scales (HAMA)
Time Frame: monthly after implantation for the first year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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monthly after implantation for the first year
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Psychological scales (HAMA)
Time Frame: every three months up to 48 months after baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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every three months up to 48 months after baseline
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Psychological scales (MADRS)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Psychological scales (MADRS)
Time Frame: monthly after implantation for the first year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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monthly after implantation for the first year
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Psychological scales (MADRS)
Time Frame: every three months up to 48 months after baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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every three months up to 48 months after baseline
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Psychological scales (YBOC)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Psychological scales (YBOC)
Time Frame: monthly after implantation for the first year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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monthly after implantation for the first year
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Psychological scales (YBOC)
Time Frame: every three months up to 48 months after baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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every three months up to 48 months after baseline
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Digit Span subtest
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Digit Span subtest
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Trail Making Test A and B
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Trail Making Test A and B
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Ruff Figural Fluency Test (RFFT)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Ruff Figural Fluency Test (RFFT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Brief Visual Memory Test
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Brief Visual Memory Test
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Revised (BVMT-R)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Revised (BVMT-R)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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California Verbal Learning Test
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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California Verbal Learning Test
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Attention, Processing Speed and Memory: Wechsler Adult Intelligence Scale IV (WAIS-IV)143 - Digit Span subtest, Trail Making Test A and B, Ruff Figural Fluency Test (RFFT), Brief Visual Memory Test - Revised (BVMT-R), California Verbal Learning Test
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Attention, Processing Speed and Memory: Wechsler Adult Intelligence Scale IV (WAIS-IV)143 - Digit Span subtest, Trail Making Test A and B, Ruff Figural Fluency Test (RFFT), Brief Visual Memory Test - Revised (BVMT-R), California Verbal Learning Test
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Wechsler Adult Intelligence Scale IV (WAIS-IV)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Wechsler Adult Intelligence Scale IV (WAIS-IV)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Wechsler Test of Adult Reading
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Wechsler Test of Adult Reading
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Controlled Oral Word Association (COWAT)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Controlled Oral Word Association (COWAT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Hooper Visual Organization Test (VOT)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Hooper Visual Organization Test (VOT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Rey-Osterrieth Complex Figure Test (CFT)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Rey-Osterrieth Complex Figure Test (CFT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
|
Months 6, 12, 24 and 48
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Wisconsin Card Sorting Test (WCST)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Wisconsin Card Sorting Test (WCST)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Stroop Color and Word Test
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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Stroop Color and Word Test
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Iowa Gambling Task (IGT)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
|
Baseline
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Iowa Gambling Task (IGT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Montreal Cognitive Assessment (MOCA)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
|
Baseline
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Montreal Cognitive Assessment (MOCA)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
|
Months 6, 12, 24 and 48
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Frontal Systems/ Executive Functions: Wisconsin Card Sorting Test (WCST), Stroop Color and Word Test, Iowa Gambling Task (IGT)
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Rey-15 Recognition test of Mental Effort
Time Frame: Months 6, 12, 24 and 48
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Months 6, 12, 24 and 48
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Rey-15 Recognition test of Mental Effort
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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SF-36V (quality of life)
Time Frame: Baseline
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
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Baseline
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SF-36V (quality of life)
Time Frame: through study completion, an average of 1 year
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This is associated with Specific Aim 3: To assess the efficacy and safety of BLA stimulation for treatment-resistant PTSD.
This test will be measured by the score
|
through study completion, an average of 1 year
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Collaborators and Investigators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UNS107673A
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
The data obtained will be shared semi-annually. The data shared will include de-identified raw scores on the assessments, PET study analysis and safety data (adverse events, EEG findings). We will insure the accuracy of the data being shared and we will work with the NCDT staff in order to confirm that we are submitting the data appropriately.
We will also comply with the NIH Public Access Policy during any publication related to this study.
IPD Sharing Time Frame
IPD Sharing Supporting Information Type
- Clinical Study Report (CSR)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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