- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06336551
Acceptance and Commitment Therapy for Insomnia
Efficacy of Acceptance and Commitment Therapy as a Stand-Alone Treatment for Insomnia: Protocol of a Randomized Waitlist Controlled Trial
Insomnia is a common sleep problem that impacts both physical and mental health. Acceptance and Commitment Therapy for Insomnia (ACT-I) is proposed as a promising new treatment for insomnia. However, its effectiveness without overlapping behavioral components of the current standard treatment, cognitive behavioral therapy, remains largely unknown.
The main goal of this clinical trial is to test the efficacy of stand-alone ACT-I in adults with insomnia, compared to a waitlist control group. The second goal is to explore the potential working mechanisms of ACT-I, using network intervention analysis.
Adults with insomnia will be randomized to an ACT-I or waitlist group. Both the ACT-I treatment and waiting period span 7 weeks. Assessments take place at baseline (pre), after 4 weeks (mid), and after 8 weeks (post), followed by a 3- and 6-month follow-up for the ACT-I group.
The main questions this RCT aims to answer are:
- Is ACT-I superior to a waitlist control group in improving insomnia severity (primary outcome) in addition to sleep diary measures, anxiety, depression, general mental health, and sleep-related quality of life (secondary outcomes)?
- How do networks of insomnia symptoms or potential treatment processes (i.e., psychological (in)flexibility, sleep-related arousal, dysfunctional cognitions, and sleep-related safety behaviors) develop during and following ACT-I?
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Mathilde I Looman, MSc
- Phone Number: +31 (0)20 525 6810
- Email: m.i.looman@uva.nl
Study Contact Backup
- Name: Jaap Lancee, PhD
- Phone Number: +31 (0)20 525 6810
- Email: j.lancee@uva.nl
Study Locations
-
-
Noord-Holland
-
Amsterdam, Noord-Holland, Netherlands, 1018 WS
- Recruiting
- University of Amsterdam
-
Contact:
- Mathilde I Looman, MSc
- Phone Number: +31 (0)20 525 6810
- Email: m.i.looman@uva.nl
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- insomnia severity index score ≥ 15
- clinical insomnia disorder diagnosis, as confirmed by the SCID-S-5 insomnia interview
- age of 18 years or above
- proficiency in Dutch
- ability to come on-site for the treatment sessions
Exclusion Criteria:
- previously received ACT
- started psychotherapy within the last 6 months or currently awaiting psychotherapy
- changed psychoactive medication in the last 3 months
- diagnosis of psychosis or schizophrenia
- severe depressive complaints (BDI-II score ≥ 29) or active suicidal ideation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Acceptance and Commitment Therapy for insomnia (ACT-I)
In this condition, participants receive five individual face-to-face 60-minute sessions of ACT-I psychotherapy within a 7-week treatment period.
|
During ACT-I patients are encouraged to let go of the struggle to control sleep and to focus on meaningful daytime activities.
Treatment goals are addressed through ACT processes of creative hopelessness and self-as-context (session 1), acceptance (session 2), defusion (session 3), followed by values, committed action, and present moment awareness (sessions 4 and 5).
Other Names:
|
No Intervention: Waitlist control
In this condition, participants fill out assessments only during a 7-week waiting period.
After completing the post-assessment, participants in the control condition receive ACT-I treatment as well.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Insomnia severity
Time Frame: Change from baseline to 8-weeks post-randomization
|
Insomnia severity is assessed with the Insomnia Severity Index (ISI).
The ISI consists of seven items evaluating insomnia symptoms on a 5-point scale (range: 0-28).
Higher scores indicate greater severity of insomnia symptoms.
|
Change from baseline to 8-weeks post-randomization
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Insomnia severity
Time Frame: Change from baseline to 4-weeks post-randomization
|
Insomnia severity is assessed with the Insomnia Severity Index (ISI).
The ISI consists of seven items evaluating insomnia symptoms on a 5-point scale (range: 0-28).
Higher scores indicate greater severity of insomnia symptoms.
|
Change from baseline to 4-weeks post-randomization
|
Insomnia severity
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Insomnia severity is assessed with the Insomnia Severity Index (ISI).
The ISI consists of seven items evaluating insomnia symptoms on a 5-point scale (range: 0-28).
Higher scores indicate greater severity of insomnia symptoms.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Insomnia severity
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Insomnia severity is assessed with the Insomnia Severity Index (ISI).
The ISI consists of seven items evaluating insomnia symptoms on a 5-point scale (range: 0-28).
Higher scores indicate greater severity of insomnia symptoms.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
General well-being
Time Frame: Change from baseline to 4-weeks post-randomization
|
General well-being is assessed with the Mental Health Continuum Short Form (MHC-SF), which includes 14 items rated on a 6-point scale (range: 0-70).
Higher scores indicate greater well-being.
|
Change from baseline to 4-weeks post-randomization
|
General well-being
Time Frame: Change from baseline to 8-weeks post-randomization
|
General well-being is assessed with the Mental Health Continuum Short Form (MHC-SF), which includes 14 items rated on a 6-point scale (range: 0-70).
Higher scores indicate greater well-being.
|
Change from baseline to 8-weeks post-randomization
|
General well-being
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
General well-being is assessed with the Mental Health Continuum Short Form (MHC-SF), which includes 14 items rated on a 6-point scale (range: 0-70).
Higher scores indicate greater well-being.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
General well-being
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
General well-being is assessed with the Mental Health Continuum Short Form (MHC-SF), which includes 14 items rated on a 6-point scale (range: 0-70).
Higher scores indicate greater well-being.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related quality of life
Time Frame: Change from baseline to 4-weeks post-randomization
|
Sleep-related quality of life is evaluated using the Glasgow Sleep Impact Index (GSII).
Respondents define and rate their three main domains of sleep-related impairment on a Visual Analog Scale (range: 0-100).
Higher scores indicate more sleep-related impairment.
|
Change from baseline to 4-weeks post-randomization
|
Sleep-related quality of life
Time Frame: Change from baseline to 8-weeks post-randomization
|
Sleep-related quality of life is evaluated using the Glasgow Sleep Impact Index (GSII).
Respondents define and rate their three main domains of sleep-related impairment on a Visual Analog Scale (range: 0-100).
Higher scores indicate more sleep-related impairment.
|
Change from baseline to 8-weeks post-randomization
|
Sleep-related quality of life
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related quality of life is evaluated using the Glasgow Sleep Impact Index (GSII).
Respondents define and rate their three main domains of sleep-related impairment on a Visual Analog Scale (range: 0-100).
Higher scores indicate more sleep-related impairment.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related quality of life
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related quality of life is evaluated using the Glasgow Sleep Impact Index (GSII).
Respondents define and rate their three main domains of sleep-related impairment on a Visual Analog Scale (range: 0-100).
Higher scores indicate more sleep-related impairment.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Anxiety symptoms
Time Frame: Change from baseline to 4-weeks post-randomization
|
Anxiety symptoms are assessed with the Hospital Anxiety and Depression Scale-Anxiety subscale (HADS-A), featuring seven items rated on a 4-point scale (range: 0-21).
Higher scores indicate more anxiety symptoms.
|
Change from baseline to 4-weeks post-randomization
|
Anxiety symptoms
Time Frame: Change from baseline to 8-weeks post-randomization
|
Anxiety symptoms are assessed with the Hospital Anxiety and Depression Scale-Anxiety subscale (HADS-A), featuring seven items rated on a 4-point scale (range: 0-21).
Higher scores indicate more anxiety symptoms.
|
Change from baseline to 8-weeks post-randomization
|
Anxiety symptoms
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Anxiety symptoms are assessed with the Hospital Anxiety and Depression Scale-Anxiety subscale (HADS-A), featuring seven items rated on a 4-point scale (range: 0-21).
Higher scores indicate more anxiety symptoms.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Anxiety symptoms
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Anxiety symptoms are assessed with the Hospital Anxiety and Depression Scale-Anxiety subscale (HADS-A), featuring seven items rated on a 4-point scale (range: 0-21).
Higher scores indicate more anxiety symptoms.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Depression symptoms
Time Frame: Change from baseline to 4-weeks post-randomization
|
Depression symptoms are assessed with the Patient Health Questionnaire depression scale (PHQ-9), a nine-item questionnaire scored on a 4-point scale (range: 0-36).
Higher scores indicate more depression symptoms.
|
Change from baseline to 4-weeks post-randomization
|
Depression symptoms
Time Frame: Change from baseline to 8-weeks post-randomization
|
Depression symptoms are assessed with the Patient Health Questionnaire depression scale (PHQ-9), a nine-item questionnaire scored on a 4-point scale (range: 0-36).
Higher scores indicate more depression symptoms.
|
Change from baseline to 8-weeks post-randomization
|
Depression symptoms
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Depression symptoms are assessed with the Patient Health Questionnaire depression scale (PHQ-9), a nine-item questionnaire scored on a 4-point scale (range: 0-36).
Higher scores indicate more depression symptoms.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Depression symptoms
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Depression symptoms are assessed with the Patient Health Questionnaire depression scale (PHQ-9), a nine-item questionnaire scored on a 4-point scale (range: 0-36).
Higher scores indicate more depression symptoms.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep diary: total sleep time
Time Frame: Change from baseline to 4-weeks post-randomization
|
Total sleep time (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate higher total sleep time.
|
Change from baseline to 4-weeks post-randomization
|
Sleep diary: total sleep time
Time Frame: Change from baseline to 8-weeks post-randomization
|
Total sleep time (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate higher total sleep time.
|
Change from baseline to 8-weeks post-randomization
|
Sleep diary: total sleep time
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Total sleep time (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate higher total sleep time.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep diary: total sleep time
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Total sleep time (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate higher total sleep time.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep diary: sleep onset latency
Time Frame: Change from baseline to 4-weeks post-randomization
|
Sleep onset latency (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer sleep onset latency.
|
Change from baseline to 4-weeks post-randomization
|
Sleep diary: sleep onset latency
Time Frame: Change from baseline to 8-weeks post-randomization
|
Sleep onset latency (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer sleep onset latency.
|
Change from baseline to 8-weeks post-randomization
|
Sleep diary: sleep onset latency
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep onset latency (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer sleep onset latency.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep diary: sleep onset latency
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep onset latency (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer sleep onset latency.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep diary: wake after sleep onset
Time Frame: Change from baseline to 4-weeks post-randomization
|
Wake after sleep onset (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer wake time after sleep onset.
|
Change from baseline to 4-weeks post-randomization
|
Sleep diary: wake after sleep onset
Time Frame: Change from baseline to 8-weeks post-randomization
|
Wake after sleep onset (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer wake time after sleep onset.
|
Change from baseline to 8-weeks post-randomization
|
Sleep diary: wake after sleep onset
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Wake after sleep onset (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer wake time after sleep onset.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep diary: wake after sleep onset
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Wake after sleep onset (in minutes) is assessed with the consensus sleep diary (CSD).
Higher scores indicate longer wake time after sleep onset.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep diary: sleep efficiency
Time Frame: Change from baseline to 4-weeks post-randomization
|
Sleep efficiency (in percentage) is assessed with the consensus sleep diary (CSD), calculated as the total sleep time*100 divided by the time in bed.
Higher scores indicate higher sleep efficiency.
|
Change from baseline to 4-weeks post-randomization
|
Sleep diary: sleep efficiency
Time Frame: Change from baseline to 8-weeks post-randomization
|
Sleep efficiency (in percentage) is assessed with the consensus sleep diary (CSD), calculated as the total sleep time*100 divided by the time in bed.
Higher scores indicate higher sleep efficiency.
|
Change from baseline to 8-weeks post-randomization
|
Sleep diary: sleep efficiency
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep efficiency (in percentage) is assessed with the consensus sleep diary (CSD), calculated as the total sleep time*100 divided by the time in bed.
Higher scores indicate higher sleep efficiency.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep diary: sleep efficiency
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep efficiency (in percentage) is assessed with the consensus sleep diary (CSD), calculated as the total sleep time*100 divided by the time in bed.
Higher scores indicate higher sleep efficiency.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Psychological flexibility
Time Frame: Change from baseline to 4-weeks post-randomization
|
Psychological flexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological flexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological flexibility.
|
Change from baseline to 4-weeks post-randomization
|
Psychological flexibility
Time Frame: Change from baseline to 8-weeks post-randomization
|
Psychological flexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological flexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological flexibility.
|
Change from baseline to 8-weeks post-randomization
|
Psychological flexibility
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Psychological flexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological flexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological flexibility.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Psychological flexibility
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Psychological flexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological flexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological flexibility.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Psychological inflexibility
Time Frame: Change from baseline to 4-weeks post-randomization
|
Psychological inflexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological inflexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological inflexibility.
|
Change from baseline to 4-weeks post-randomization
|
Psychological inflexibility
Time Frame: Change from baseline to 8-weeks post-randomization
|
Psychological inflexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological inflexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological inflexibility.
|
Change from baseline to 8-weeks post-randomization
|
Psychological inflexibility
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Psychological inflexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological inflexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological inflexibility.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Psychological inflexibility
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Psychological inflexibility is assessed with the Multidimensional Psychological Flexibility Inventory short form (MPFI-24).
The subscale psychological inflexibility consists of 12 items, scored on a 6-point scale (range: 12-72).
Higher scores indicate greater psychological inflexibility.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related arousal
Time Frame: Change from baseline to 4-weeks post-randomization
|
Sleep-related arousal will be assessed with the Pre-Sleep Arousal Scale (PSAS), which comprises 16 items scored on a 5-point scale (range: 16-80).
Higher scores indicate higher sleep-related arousal.
|
Change from baseline to 4-weeks post-randomization
|
Sleep-related arousal
Time Frame: Change from baseline to 8-weeks post-randomization
|
Sleep-related arousal will be assessed with the Pre-Sleep Arousal Scale (PSAS), which comprises 16 items scored on a 5-point scale (range: 16-80).
Higher scores indicate higher sleep-related arousal.
|
Change from baseline to 8-weeks post-randomization
|
Sleep-related arousal
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related arousal will be assessed with the Pre-Sleep Arousal Scale (PSAS), which comprises 16 items scored on a 5-point scale (range: 16-80).
Higher scores indicate higher sleep-related arousal.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related arousal
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related arousal will be assessed with the Pre-Sleep Arousal Scale (PSAS), which comprises 16 items scored on a 5-point scale (range: 16-80).
Higher scores indicate higher sleep-related arousal.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Dysfunctional sleep-related cognitions
Time Frame: Change from baseline to 4-weeks post-randomization
|
Dysfunctional sleep-related cognitions will be evaluated by the short form of the Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS-16), which includes 16 items scored on an 11-point agreement scale (range: 0-160).
Higher scores indicate more dysfunctional sleep-related cognitions.
|
Change from baseline to 4-weeks post-randomization
|
Dysfunctional sleep-related cognitions
Time Frame: Change from baseline to 8-weeks post-randomization
|
Dysfunctional sleep-related cognitions will be evaluated by the short form of the Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS-16), which includes 16 items scored on an 11-point agreement scale (range: 0-160).
Higher scores indicate more dysfunctional sleep-related cognitions.
|
Change from baseline to 8-weeks post-randomization
|
Dysfunctional sleep-related cognitions
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Dysfunctional sleep-related cognitions will be evaluated by the short form of the Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS-16), which includes 16 items scored on an 11-point agreement scale (range: 0-160).
Higher scores indicate more dysfunctional sleep-related cognitions.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Dysfunctional sleep-related cognitions
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Dysfunctional sleep-related cognitions will be evaluated by the short form of the Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS-16), which includes 16 items scored on an 11-point agreement scale (range: 0-160).
Higher scores indicate more dysfunctional sleep-related cognitions.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related safety behaviors
Time Frame: Change from baseline to 4-weeks post-randomization
|
Sleep-related safety behaviors will be measured with the sleep-related behaviors questionnaire short form (SRBQ-20), which consists of 20 items on coping with fatigue or improving sleep, scored on a 5-point scale (range: 0-80), with higher scores indicating more sleep-related safety behavior.
|
Change from baseline to 4-weeks post-randomization
|
Sleep-related safety behaviors
Time Frame: Change from baseline to 8-weeks post-randomization
|
Sleep-related safety behaviors will be measured with the sleep-related behaviors questionnaire short form (SRBQ-20), which consists of 20 items on coping with fatigue or improving sleep, scored on a 5-point scale (range: 0-80), with higher scores indicating more sleep-related safety behavior.
|
Change from baseline to 8-weeks post-randomization
|
Sleep-related safety behaviors
Time Frame: Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related safety behaviors will be measured with the sleep-related behaviors questionnaire short form (SRBQ-20), which consists of 20 items on coping with fatigue or improving sleep, scored on a 5-point scale (range: 0-80), with higher scores indicating more sleep-related safety behavior.
|
Change from baseline to 3-month follow-up (ACT-I group only)
|
Sleep-related safety behaviors
Time Frame: Change from baseline to 6-month follow-up (ACT-I group only)
|
Sleep-related safety behaviors will be measured with the sleep-related behaviors questionnaire short form (SRBQ-20), which consists of 20 items on coping with fatigue or improving sleep, scored on a 5-point scale (range: 0-80), with higher scores indicating more sleep-related safety behavior.
|
Change from baseline to 6-month follow-up (ACT-I group only)
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Looman I Mathilde, MSc, University of Amsterdam
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- UniversityAmsterdam
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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