Anxiety Clinical Trial
Official title:
Buspirone for the Treatment of Anxiety in Williams Syndrome
Verified date | November 2023 |
Source | Massachusetts General Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to do a preliminary assessment of whether buspirone is effective, safe, and tolerable in the treatment of anxiety in children, adolescents, and adults with Williams syndrome.
Status | Completed |
Enrollment | 20 |
Est. completion date | September 11, 2023 |
Est. primary completion date | September 11, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 5 Years to 65 Years |
Eligibility | Inclusion Criteria: 1. Age 5 to 65 years of age. 2. Diagnosis of WS confirmed via genetic testing or a clinical diagnosis made by a clinician with significant experience treating patients with WS. 3. Clinically significant anxiety as evidenced by a Pediatric Anxiety Rating Scale (PARS) score of 10 or greater (5-item scale). The PARS ("The Pediatric Anxiety Rating Scale (PARS): Development and psychometric properties." 2002) was chosen as an inclusion criterion (and outcome measure) since it assesses severity across common anxiety disorders in children including generalized anxiety, social anxiety, separation anxiety, and transition-associated anxiety. In addition, it is an instrument that allows the clinician to incorporate both child and parent report into a final clinician-rated score for each item. 4. A Clinical Global Impression Severity Item score = 4 (moderate) for anxiety symptoms at Screen and Baseline. Exclusion Criteria: 1. Diagnosis of OCD, posttraumatic stress disorder, major mood disorder, psychotic disorder, or substance use disorder. These disorders are exclusionary since the primary treatment of these disorders may require acute psychosocial treatments or other medications that would confound the assessments. 2. Presence of any past or present conditions that would make treatment with buspirone unsafe. This includes allergy to buspirone, liver or kidney disease, and pregnancy (or being sexually active without using acceptable methods to prevent pregnancy). 3. Use of selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), benzodiazepines, antihistamines (as needed use of an antihistamine for the treatment of allergies will be permitted), or antipsychotics. Subjects will need to be off medications from these classes for at least 5 elimination half-lives prior to beginning the trial. 4. Use of other psychotropic medications which are ineffective, poorly tolerated, or sub-optimal in terms of dose. A board-certified child and adolescent psychiatrist will assess any other psychotropic medications being used and determine whether they are effective, tolerated, and optimal in terms of dose. Concurrent use of a psychotropic medication (other than SSRIs, SNRIs, benzodiazepines, antihistamines, or antipsychotics) will be allowed if the dose has been stable for 30 days and if they meet the criteria of effectiveness, tolerability, and dose. 5. Previous adequate trial of buspirone. An adequate trial will be defined as a total daily dose of =20 mg for at least 4 weeks. In addition, subjects who developed significant adverse effects during a trial of buspirone at any dose or duration will be excluded. 6. Severe or profound intellectual disability based on clinical assessment and review of standardized assessment of cognitive skills. Subjects will undergo standardized testing and be evaluated by study staff to determine cognitive capabilities. Participants determined to have severe or profound intellectual disability will be excluded. |
Country | Name | City | State |
---|---|---|---|
United States | Lurie Center for Autism | Lexington | Massachusetts |
Lead Sponsor | Collaborator |
---|---|
Massachusetts General Hospital |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Mean 16-Week Change in Pediatric Anxiety Rating Scale 5-Item Total Score | The Pediatric Anxiety Rating Scale (PARS) is a clinician-rated instrument that assesses anxiety symptoms that are commonly associated with social anxiety, separation anxiety, and generalized anxiety disorders. Scaled score ranges from 0-25 with higher scores indicating more severe anxiety symptoms. | Baseline, Week 4, Week 8, Week 12, Week 16 | |
Secondary | Proportion of Participants Who Responded to Treatment at 16 Weeks According to the Improvement Item of the Clinical Global Impression-Scale (Response Defined as CGI-I=1 or CGI-I=2) | The Clinical Global Impressions Global Improvement (CGI-I) is designed to take into account all factors to arrive at an assessment of response to treatment. The CGI-I scale ranges from 1 to 7 (1=very much improved; 2=much improved; 3=minimally improved; 4=no change; 5=minimally worse; 6=much worse; 7=very much worse), with lower scales indicating improvement (1=very much improved; 2=much improved). In this study, the CGI-I will be focused on the target symptom of anxiety. Participants with a CGI-I score of 1 or 2 will be classified as responders. The CGI-I will be administered at weeks 4, 8, 12, and 16. | Weeks 4, 8, 12, 16 | |
Secondary | Mean 16-Week Change in Child and Adolescent Symptom Inventory Anxiety-Modified Score | The Child and Adolescent Symptom Inventory (CASI) is a caregiver completed questionnaire with items that map directly onto Diagnostic and Statistical Manual of Mental Disorders diagnostic criteria for anxiety disorders in children and adolescents. The CASI-Modified which includes 20 specific items that have been used to assess anxiety in subjects with developmental disabilities will be administered. Total score ranges from 0-20 with higher scores indicating more severe anxiety symptoms. | Baseline, Week 4, Week 8, Week 12, Week 16 | |
Secondary | Mean 16-Week Change in Screen for Childhood Anxiety Related Emotional Disorders Total Score | The Screen for Childhood Anxiety Related Emotional Disorders (SCARED) includes both a child/self-report and parent-report form, each containing 41-items. It is used to screen for symptoms of panic disorder, separation anxiety disorder, social phobia, generalized anxiety disorder, and school phobia. Total score ranges from 0-82 and a total score of 25 or greater may indicate the presence of an anxiety disorder. | Baseline, Week 4, Week 8, Week 12, Week 16 | |
Secondary | Mean 16-Week Change in Each Subscale of the Aberrant Behavior Checklist | The Aberrant Behavior Checklist (ABC-2) is a caregiver rated instrument that measures psychiatric symptoms and behavioral disturbance in subjects with developmental disability with 5 subscales: Irritability, Social Withdrawal/Lethargy, Stereotypy, Hyperactivity, and Inappropriate Speech. Each item of the 58-item scale is scored on a 4-point scale (0=never a problem to 3=severe problem). The interpretation of the tool and its sub-scales is that a greater number of items indicates greater severity. The range of scores per subscale are: Irritability 0-45; Social Withdrawal/Lethargy 0-48; Stereotypy 0-21; Hyperactivity 0-48; Inappropriate Speech 0-12. | Baseline, Week 4, Week 8, Week 12, Week 16 | |
Secondary | Mean 16-Week Change in Pittsburgh Sleep Quality Index Global Score | The Pittsburgh Sleep Quality Index (PSQI) questionnaire that will be completed by the subject's caregiver to assess sleep quality. The global score ranges from 0-21, where a higher score indicates greater sleep difficulty. | Baseline, Week 4, Week 8, Week 12, Week 16 |
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