Major Depressive Disorder
Conditions
Keywords
TMS,, MDD,, Depression,, sTMS,, NEST,, NeoSync,, EEG,, synchronous,, non-invasive neuromodulation,, transcranial magnetic stimulation,, antidepressant,
Brief summary
This study is designed to evaluate the safety and efficacy of synchronized transcranial magnetic stimulation (sTMS) using the NeoSync EEG Synchronized TMS device (NEST) in subjects with Major Depressive Disorder. This is a multicenter study in which subjects will be randomized to receive treatment 5 days per week for 6 weeks. Subjects who complete 6 weeks of double-blind treatment may be eligible to receive up to four weeks of open label sTMS therapy or antidepressant medications during the follow-up phase of the study. Follow-up evaluation visits will be conducted during those four weeks, with the frequency of the visits determined by the treatment choice during that timeframe.
Detailed description
Major Depressive Disorder (MDD) is a mental disorder associated with significant functional impairment and disability. Affected individuals present with depressed mood, loss of interest or pleasure, feelings of guilt, low self-worth, disturbed sleep or appetite, low energy, and poor concentration. Psychopharmacological therapy as today's mainstream treatment has revolutionized the clinical management for major depressive disorders and has been shown to improve the quality of life for many patients. With that, these therapies are not effective for all patients. Results released from the Sequenced Treatment Alternatives to Relieve Depression Study (STAR\*D), conducted by the National Institute of Mental Health (NIMH), show that approximately 30% of depressed subjects respond to an SSRI in their first trial, despite adequate dosing and duration of treatment. The SSRI antidepressants do have a more favorable side effect profile than older medications, but they still may be difficult for some patients to tolerate because of gastrointestinal distress, anxiety, insomnia, and sexual dysfunction. In addition to the psychopharmacologic treatments for depression, other therapies such as electroconvulsive therapy (ECT) and repetitive transcranial magnetic stimulation (rTMS) have been shown to have a therapeutic effect in MDD. ECT induces seizures electrically in anesthetized subjects. It is generally safe and effective; however the procedure can have the negative side effect of memory loss and confusion. Treatment with repetitive stimulation (rTMS) is intended to stimulate groups of cells in areas of the brain linked to MDD. While the therapy is non-invasive, it is expensive, involves a complex method for locating the point of stimulation in the brain, and has the potential for seizures. rTMS uses magnetic pulses which causes neuronal activation of specific areas in the brain. It is generally believed that this activation causes resetting of cortical oscillators to create a therapeutic effect in MDD. The investigators hypothesize that TMS using low energy, sinusoidal magnetic fields synchronized to a patient's individual alpha frequency,(sTMS), can also affect neuronal activity leading to a reemergence of intrinsic rhythms and clinical improvement in MDD. Preliminary study results using sTMS have shown improvements in depressive symptoms with minimal side effects. This multicenter study is designed to evaluate the safety and efficacy of sTMS in subjects with Major Depressive Disorder. Subjects will be randomized to receive treatment 5 days per week for 6 weeks. At the end of Treatment Week 6, subject will have completed the study treatments and will be offered open label sTMS therapy or alternate antidepressant treatment as clinically indicated. At minimum, subjects will be asked to return for one follow-up visit four weeks after their last double-blind treatment (Week 10) for evaluation and study completion.
Interventions
DEVICENEST-1 (NeoSync EEG Synchronized TMS)
The NeoSync EEG Synchronized TMS (NEST) is an electromechanical medical device that produces and delivers a sinusoidal magnetic field to areas of the brain in the treatment of Major Depressive Disorder.
DEVICESHAM
The sham device is configured to simulate the actual NEST-1 device without sTMS therapy being actively delivered.
Sponsors
Wave Neuroscience
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
22 Years to 65 Years
Healthy volunteers
No
Inclusion criteria
* Subjects will meet the DSM-IV-TR primary diagnosis of initial or recurrent Major Depressive Disorder by DSM-IV-TR criteria rendered by structured interview using the Mini International Neuropsychiatric Interview (MINI). * HAM-D17 score \>= 17 and Item 1 score greater than or equal to 2. * Duration of current episode \>=8 weeks. The definition of an episode is demarcated by a period of \>=2 months when the subject did not meet full criteria for the DSM-IV-TR definition of Major Depressive Episode. Maximum duration of current episode cannot exceed 2 years. * The baseline EEG is of sufficient duration and quality that it can be processed for quantitative analysis. * Subjects are willing and able to adhere to the intensive treatment schedule and all required study visits.
Exclusion criteria
* Subjects are unable or unwilling to give informed consent. * Diagnosed with the following conditions (current unless otherwise stated): * Any other current primary Axis I mood, anxiety, or psychotic disorder, including bipolar disorder. * Depression secondary to a general medical condition, or substance-induced. * History of substance abuse or dependence within the past 6 months (except nicotine and caffeine). * Any bipolar disorder or psychotic disorder (lifetime), including schizoaffective disorder, or major depression with psychotic features in this or previous episodes. * Eating disorder (current or within the past year). * Obsessive compulsive disorder (lifetime). * Post-traumatic stress disorder (current or within the past year). * ADHD (currently being treated). * Subjects meeting criteria for Axis II cluster A or B diagnosis based upon DSM-IV TR criteria, which in the judgment of the Investigator may hinder the subjects in completing the procedures required by the study protocol. * Subjects with a clinically defined neurological disorder including, but not limited to: * Any condition likely to be associated with increased intracranial pressure. * Space occupying brain lesion. * Any history of seizure EXCEPT those therapeutically induced by ECT (childhood febrile seizures are acceptable and these subjects may be included in the study). * History of stroke. * Transient ischemic attack within two years. * Cerebral aneurysm. * Dementia. * Mini Mental Status Exam (MMSE-2) score of =\<24. * Parkinson's disease. * Huntington's disease. * Multiple sclerosis. * Increased risk of seizure for any reason, including prior diagnosis of increased intracranial pressure (such as after large infarctions or trauma), or currently taking medication that lowers the seizure threshold. Medications that lower the seizure threshold are included in the Prohibited Concomitant Medication (Section 5.7). * Subjects who are currently hospitalized due to severity of depression symptoms. * Subjects with any of the following treatment histories: * TMS treatment within 6 months prior to the screening visit. * ECT treatment within 1 year prior to the screening visit. * Failure to respond to TMS or ECT treatment (i.e., consistent with ATHF confidence level 3 or higher) in this or any previous episode. * Lifetime history of treatment with Deep Brain Stimulation or Vagus Nerve Stimulation. * Use of any investigational drug or device within 4 weeks of the randomization visit. * Subjects who have been treated with fluoxetine within the past four weeks. * If participating in psychotherapy, must have been in stable treatment for at least 2 months prior to entry into the study, with no anticipation of change in the frequency of therapeutic sessions, or the therapeutic focus over the duration of the trial. * Failure to respond to Monoamine Oxidase Inhibitors (MAOIs) in the current episode. * Use of any medication(s) listed on the Prohibited Concomitant Medication within 1 week of randomization. * Subjects are adequately benefiting from current antidepressant medication(s). * Significant acute suicide risk, defined as: * Suicide attempt within the previous 6 months that required medical treatment; or * Greater than or equal to 1 suicide attempts in the past 12 months; or * Has a clear-cut plan for suicide and states that he/she cannot guarantee that he/she will call his/her regular psychiatrist or the Investigator if the impulse to implement the plan becomes substantial during the study; or * In the Investigator's opinion, is likely to attempt suicide within the next 6 months. * Cardiac pacemakers, implanted medication pumps, intracardiac lines, or acute, unstable cardiac disease. * Intracranial implant (e.g., aneurysm clips, shunts, stimulators, cochlear implants, stents, or electrodes) or any other metal object within or near the head, excluding the mouth, which cannot be safely removed. * Clinically significant abnormality or clinically significant unstable medical condition, as indicated by medical history, physical examination, ECG results, or clinical laboratory testing, that in the Investigator's judgment might pose a potential safety risk to the subject or limit interpretation of the trial results, e.g., any uncontrolled thyroid disorders, hepatic, cardiac, pulmonary and renal malfunctioning. * Women who are currently pregnant or not using a medically acceptable means of birth control and women who are breastfeeding. * Positive urine drug screen for illicit substances. (A positive urine drug screen at screening may be repeated once prior to randomization). * Any condition which in the judgment of the Investigator would prevent the subject from completion of the study.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Mean HAM-D17 Total Score Change (Intent to Treat - All) | Baseline to End of Double-Blind Treatment Period (Week 6) | The mean HAM-D17 total score change from Baseline (Day 0) to Week 6 compared between the active treatment and sham-controlled groups. If any subject did not complete the double-blind phase in the ITT population, the assessment last observation carried forward (LOCF) was used. The single value provided in each arm reflects the change seen. For this trial, the Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response. |
| Mean HAM-D17 Total Score Change (Per Protocol - All) | Baseline to End of Double-Blind Treatment Period (Week 6) | The mean HAM-D17 total score change from Baseline (Day 0) to Week 6 compared between the active treatment and sham-controlled groups. All subjects in the Per Protocol analysis completed Week 6. Baseline HAM-D17 total score was directly compared to the HAM-D17 total score at Week 6. The single value provided in each arm reflects the change seen. For this trial, the Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - All) | Baseline to End of Double-Blind Treatment Period (Week 6) | For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response. Response is defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. All subjects in the Per Protocol population completed Week 6. This outcome provides the total number of subjects in each arm that achieved clinical response within the Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
| Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - Non-Naive Subjects) | Baseline to End of Double-Blind Treatment Period (Week 6) | The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response, defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. All subjects in the Per Protocol (PP) population completed Week 6. This analysis includes only PP subjects exposed to an antidepressant medication in their current episode (non-naive). This outcome provides the total number of subjects in each arm that achieved clinical response within the Non-Naive, Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
| Mean HAM-D17 Total Score Change (Per Protocol - Non-Naive Subjects) | Baseline to End of Double-Blind Treatment Period (Week 6) | All subjects in the Per Protocol analysis completed Week 6. Baseline HAM-D17 total score was directly compared to Week 6 HAM-D17 total score. The single value provided in each arm reflects this change. This analysis included only Per Protocol subjects exposed to an antidepressant medication in their current episode (non-naive). This includes past history of intolerance, resistance, or inadequate dosing/duration. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response. |
| Number of Subjects Who Demonstrate Clinical Remission at Week 6 (Per Protocol - All) | Baseline to End of Double-Blind Treatment Period (up to week 6) | For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. All subjects in the Per Protocol population completed Week 6. This outcome provides the total number of subjects in each arm that achieved clinical remission within the Per Protocol population at Week 6. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
| Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Per Protocol - Non-Naive Subjects) | Baseline to End of Double-Blind Treatment Period (Week 6) | The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. All subjects in the Per Protocol population completed Week 6. This analysis includes only PP subjects exposed to an antidepressant medication in their current episode (non-naive). This outcome provides the total number of subjects in each arm that achieved clinical remission at Week 6 within the Non-Naive, Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
| Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Intent to Treat) | Baseline to End of Double-Blind Treatment Period (Week 6) | The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. If any subject did not complete the double-blind phase (Week 6) in the Intent to Treat (ITT) population, the assessment last observation carried forward (LOCF) was used. This outcome provides the total number of subjects in each arm that achieved clinical remission within the ITT population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
| Number of Subjects Who Demonstrate Clinical Response at Week 6 or Early Termination (Intent to Treat) | Baseline to End of Double-Blind Treatment Period (Week 6) | For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response. Response is defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. If any subject did not complete the double-blind phase (Week 6) in the ITT population, the assessment last observation carried forward (LOCF) was used. This outcome provides the total number of subjects in each arm that achieved clinical response within the Intent to Treat population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. |
Countries
United States
Participant flow
Recruitment details
Enrollment occurred across 17 study sites (both academic and private clinical locations), initiated in May 2012 and all subject visits complete by July 2013. Three sites discontinued early due to departure of the Principal Investigator or due to a loss of contributing staff personnel. None were discontinued specifically due to a lack of enrollment.
Pre-assignment details
Upon study closure, 291 subjects were consented for possible study participation with 202 of those subjects subsequently enrolled and randomized to treatment. Those entering the study at Screening while currently on an antidepressant required a minimum 1-week wash out period prior to completing a Baseline (Day 0) visit.
Participants by arm
| Arm | Count |
|---|---|
| Active sTMS Treatment with the NEST-1 Device
NEST-1 (NeoSync EEG Synchronized TMS): The NeoSync EEG Synchronized TMS (NEST) is an electromechanical medical device that produces and delivers a sinusoidal magnetic field to areas of the brain in the treatment of Major Depressive Disorder. | 103 |
| Sham Treatment with a sham (inactive) device, identical in sound and appearance to the NEST-1 Device
SHAM: The sham device is configured to simulate the actual NEST-1 device without sTMS therapy being actively delivered. | 99 |
| Total | 202 |
Withdrawals & dropouts
| Period | Reason | FG000 | FG001 |
|---|---|---|---|
| Overall Study | Adverse Event | 2 | 4 |
| Overall Study | Lack of Efficacy | 3 | 5 |
| Overall Study | Lost to Follow-up | 3 | 0 |
| Overall Study | Physician Decision | 0 | 2 |
| Overall Study | Protocol Violation | 1 | 3 |
| Overall Study | Withdrawal by Subject | 8 | 8 |
Baseline characteristics
| Characteristic | Active sTMS | Sham | Total |
|---|---|---|---|
| Age, Continuous | 46.1 years STANDARD_DEVIATION 11.3 | 45.7 years STANDARD_DEVIATION 12.2 | 45.9 years STANDARD_DEVIATION 11.7 |
| Antidepressant Exposure in Current Episode Adequate Trial of >= 1 Medication | 61 participants | 65 participants | 126 participants |
| Antidepressant Exposure in Current Episode Inadequate Dose/Duration of >= 1 Medication | 11 participants | 13 participants | 24 participants |
| Antidepressant Exposure in Current Episode Intolerant of >= 1 Medication | 10 participants | 5 participants | 15 participants |
| Antidepressant Exposure in Current Episode Treatment Naive (ATHF 0) | 40 participants | 37 participants | 77 participants |
| Baseline Mean Hamilton Rating Scale for Depression (HAM-D17) | 21.94 units on a scale STANDARD_DEVIATION 3.46 | 21.15 units on a scale STANDARD_DEVIATION 3.25 | 21.55 units on a scale STANDARD_DEVIATION 3.37 |
| Education Level College degree | 42 participants | 42 participants | 84 participants |
| Education Level High school diploma | 19 participants | 7 participants | 26 participants |
| Education Level Professional or Graduate degree | 21 participants | 15 participants | 36 participants |
| Education Level Some college | 17 participants | 31 participants | 48 participants |
| Education Level Some high school or less | 2 participants | 1 participants | 3 participants |
| Education Level Unknown | 1 participants | 1 participants | 2 participants |
| Education Level Vocational school | 1 participants | 2 participants | 3 participants |
| Length of Current Episode in Months | 10.9 months STANDARD_DEVIATION 6.8 | 10.8 months STANDARD_DEVIATION 6.7 | 10.85 months STANDARD_DEVIATION 6.73 |
| Race/Ethnicity, Customized American Indian / Alaskan Native | 0 participants | 2 participants | 2 participants |
| Race/Ethnicity, Customized Asian | 5 participants | 3 participants | 8 participants |
| Race/Ethnicity, Customized Black or African American | 6 participants | 8 participants | 14 participants |
| Race/Ethnicity, Customized Hispanic or Latino | 6 participants | 6 participants | 12 participants |
| Race/Ethnicity, Customized Native Hawaiian or Other Pacific Islander | 1 participants | 0 participants | 1 participants |
| Race/Ethnicity, Customized Other or Unknown | 3 participants | 1 participants | 4 participants |
| Race/Ethnicity, Customized White | 82 participants | 79 participants | 161 participants |
| Region of Enrollment United States | 103 participants | 99 participants | 202 participants |
| Sex: Female, Male Female | 62 Participants | 66 Participants | 128 Participants |
| Sex: Female, Male Male | 41 Participants | 33 Participants | 74 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk |
|---|---|---|
| deaths Total, all-cause mortality | — / — | — / — |
| other Total, other adverse events | 80 / 103 | 42 / 99 |
| serious Total, serious adverse events | 2 / 103 | 1 / 99 |
Outcome results
Primary
Mean HAM-D17 Total Score Change (Intent to Treat - All)
The mean HAM-D17 total score change from Baseline (Day 0) to Week 6 compared between the active treatment and sham-controlled groups. If any subject did not complete the double-blind phase in the ITT population, the assessment last observation carried forward (LOCF) was used. The single value provided in each arm reflects the change seen. For this trial, the Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Includes all subjects who signed an informed consent, met all I/E criteria, were subsequently randomized and received at least 1 treatment (active sTMS or sham) session in the double-blind phase.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Active sTMS | Mean HAM-D17 Total Score Change (Intent to Treat - All) | -7.49 units on a scale | Standard Deviation 7.25 |
| Sham | Mean HAM-D17 Total Score Change (Intent to Treat - All) | -6.97 units on a scale | Standard Deviation 6.28 |
Primary
Mean HAM-D17 Total Score Change (Per Protocol - All)
The mean HAM-D17 total score change from Baseline (Day 0) to Week 6 compared between the active treatment and sham-controlled groups. All subjects in the Per Protocol analysis completed Week 6. Baseline HAM-D17 total score was directly compared to the HAM-D17 total score at Week 6. The single value provided in each arm reflects the change seen. For this trial, the Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Per Protocol Population
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Active sTMS | Mean HAM-D17 Total Score Change (Per Protocol - All) | -9.00 units on a scale | Standard Deviation 6.54 |
| Sham | Mean HAM-D17 Total Score Change (Per Protocol - All) | -6.56 units on a scale | Standard Deviation 5.85 |
Secondary
Mean HAM-D17 Total Score Change (Per Protocol - Non-Naive Subjects)
All subjects in the Per Protocol analysis completed Week 6. Baseline HAM-D17 total score was directly compared to Week 6 HAM-D17 total score. The single value provided in each arm reflects this change. This analysis included only Per Protocol subjects exposed to an antidepressant medication in their current episode (non-naive). This includes past history of intolerance, resistance, or inadequate dosing/duration. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset of the HAM-D28, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. The HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity. A reduction of 50% or more in total score from Baseline indicates clinical response.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Per Protocol Population - Non-Naive Subjects
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Active sTMS | Mean HAM-D17 Total Score Change (Per Protocol - Non-Naive Subjects) | -8.58 units on a scale | Standard Deviation 6.93 |
| Sham | Mean HAM-D17 Total Score Change (Per Protocol - Non-Naive Subjects) | -4.25 units on a scale | Standard Deviation 4.75 |
Secondary
Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Intent to Treat)
The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. If any subject did not complete the double-blind phase (Week 6) in the Intent to Treat (ITT) population, the assessment last observation carried forward (LOCF) was used. This outcome provides the total number of subjects in each arm that achieved clinical remission within the ITT population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Includes all subjects who signed an informed consent, met all I/E criteria, were subsequently randomized and received at least 1 treatment (active sTMS or sham) session in the double-blind phase.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Intent to Treat) | 11 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Intent to Treat) | 14 participants |
Secondary
Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Per Protocol - Non-Naive Subjects)
The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. All subjects in the Per Protocol population completed Week 6. This analysis includes only PP subjects exposed to an antidepressant medication in their current episode (non-naive). This outcome provides the total number of subjects in each arm that achieved clinical remission at Week 6 within the Non-Naive, Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Per Protocol Population - Non-Naive Subjects
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Per Protocol - Non-Naive Subjects) | 5 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Remission at Week 6 or Early Termination (Per Protocol - Non-Naive Subjects) | 2 participants |
Secondary
Number of Subjects Who Demonstrate Clinical Remission at Week 6 (Per Protocol - All)
For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical remission. Remission is defined as a total HAM-D17 score ≤ 7. All subjects in the Per Protocol population completed Week 6. This outcome provides the total number of subjects in each arm that achieved clinical remission within the Per Protocol population at Week 6. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (up to week 6)
Population: Per Protocol Population
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Remission at Week 6 (Per Protocol - All) | 9 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Remission at Week 6 (Per Protocol - All) | 10 participants |
Secondary
Number of Subjects Who Demonstrate Clinical Response at Week 6 or Early Termination (Intent to Treat)
For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response. Response is defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. If any subject did not complete the double-blind phase (Week 6) in the ITT population, the assessment last observation carried forward (LOCF) was used. This outcome provides the total number of subjects in each arm that achieved clinical response within the Intent to Treat population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Response at Week 6 or Early Termination (Intent to Treat) | 27 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Response at Week 6 or Early Termination (Intent to Treat) | 25 participants |
Secondary
Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - All)
For this outcome, the Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response. Response is defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. All subjects in the Per Protocol population completed Week 6. This outcome provides the total number of subjects in each arm that achieved clinical response within the Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Per Protocol Population
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - All) | 20 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - All) | 18 participants |
Secondary
Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - Non-Naive Subjects)
The Hamilton Rating Scale for Depression (HAM-D17) was utilized to determine clinical response, defined as a reduction of at least 50% in total HAM-D17 score from Baseline through Week 6. All subjects in the Per Protocol (PP) population completed Week 6. This analysis includes only PP subjects exposed to an antidepressant medication in their current episode (non-naive). This outcome provides the total number of subjects in each arm that achieved clinical response within the Non-Naive, Per Protocol population. The Hamilton Rating Scale for Depression (HAM-D28) was performed as a baseline assessment. A subset, the HAM-D17, was utilized as both a baseline and efficacy measure. It's considered the gold standard for rating depression severity and used frequently in clinical trials. HAM-D17 score ranges from 0-52; a score of 0-7 is generally accepted to be within the normal range (or in clinical remission), while a score of 20 or higher indicates at least moderate severity.
Time frame: Baseline to End of Double-Blind Treatment Period (Week 6)
Population: Per Protocol Population - Non-Naive Subjects
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Active sTMS | Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - Non-Naive Subjects) | 13 participants |
| Sham | Number of Subjects Who Demonstrate Clinical Response at Week 6 (Per Protocol - Non-Naive Subjects) | 3 participants |