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Radicle Clarity DSTTM: A randomized, double-blind, placebo-controlled direct-to-consumer study assessing the impact of health and wellness products on mental clarity and related health outcomes.
This is a randomized, double-blind, placebo-controlled study conducted with adult participants, residing in the United States. Eligible participants will (1) have the opportunity for meaningful improvement (at least 30%) in their primary health outcome, and (2) express acceptance in taking a product and not knowing its formulation until the end of the study. Participants that report a known cardiac dysfunction, liver or kidney disease may be excluded. Participants that report a known contraindication or with well-established, significant safety concerns due to illness will be excluded. Heavy drinkers and those who report they are pregnant, trying to become pregnant, or breastfeeding will be excluded. Participants that report taking medications with a known contraindication or with well-established, significant safety concerns will be excluded.
Self-reported data are collected electronically from eligible participants for 12 weeks. Participant reports of health indicators will be collected at enrollment and throughout the active period of study product usage. All study assessments will be electronic; there are no in-person visits or assessments for this real-world evidence study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo Clarity Control | Placebo Comparator | Clarity Product Placebo Control |
|
| RS Active Clarity Product | Experimental | RS Active Clarity Product |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Clarity Product Placebo Control | Dietary Supplement | Participants will use their Clarity Product Placebo Control as directed for a period of 12 weeks. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in cognitive function | Change in cognitive function: Difference in rates of change over time in cognitive function score as assessed by PROMIS Cognitive Function 8A (scale 8-40; where lower scores correspond to worse cognitive function) | 13 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in fatigue | Change in fatigue: Difference in rates of change over time in fatigue score as assessed by Patient Reported Outcome Measurement System (PROMIS) Fatigue 8A (scale 8-40; where higher scores correspond to more severe fatigue) | 13 weeks |
| Change in sleep-related impairment |
| Measure | Description | Time Frame |
|---|---|---|
| Minimal clinically important difference (MCID) in cognitive function | Minimal clinically important difference (MCID) in cognitive function: Likelihood of experiencing minimal clinically important difference in cognitive function score as assessed by PROMIS Cognitive Function 8A (scale 8-40; where lower scores correspond to worse cognitive function) | 13 weeks |
Inclusion
Participants must meet all the following criteria:
Adults, 35-60 years of age (inclusive) at the time of electronic consent, inclusive of all ethnicities, races, and gender identities
Resides in the United States
Has the opportunity for at least 30% improvement in their primary health outcome
Expresses a willingness to take a study product and not know the product identity(active or placebo) until the end of the study
Exclusion
Individuals who report any of the following during screening may be excluded from participation:
Report being pregnant, trying to become pregnant, or breastfeeding
Unable to provide a valid US shipping address and mobile phone number
Reports current enrollment in another clinical trial
Reports being a heavy drinker (defined as drinking 3 or more alcoholic beverages per day)
Unable to read and understand English at a 7th grade level
Reports a current and/or recent (up to 3 months ago) major illness and/or surgery that poses a known, significant safety risk.
Reports a diagnosis of cardiac dysfunction, liver or kidney disease that presents a known contraindication and/or a significant safety risk with any of the study product ingredients.
Reports taking medications that have a well-established moderate or severe interaction, posing a substantial safety risk with any of the study product ingredients.
Reports current use of the primary ingredient(s) and/or similar product(s) to the active study product(s) that may limit the effects of the study products and/or pose a safety risk
Lack of reliable daily access to the internet
Reports current use of prescription medication(s) for cognitive enhancement
Reports current regular cannabis use
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Study Manager | Contact | 858-779-0086 | studymgmt@radiclescience.com | |
| Susan Hewlings | Contact | 760-281-3898 | susan.hewlings@radiclescience.com |
| Name | Affiliation | Role |
|---|---|---|
| Susan Hewlings | Radicle Science | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Radicle Science Inc. | Recruiting | Del Mar | California | 92014 | United States |
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| Label | URL |
|---|---|
| Related Info | View source |
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Data will not be shared with researchers outside of Radicle Collaborators on this study.
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Participants will be stratified based on their assigned sex at birth and health outcome score during enrollment, then randomized to one of the study arms. Each participant will have an equal chance of being assigned to any study arm.
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The investigator is blinded to the participants' assigned study products. Participants are blinded to the study product they received.
| RS Clarity Active Product | Dietary Supplement | Participants will use their RS Clarity Active Product as directed for a period of 12 weeks |
|
Change in sleep-related impairment: Difference between rates of change over time in sleep score as assessed by PROMIS Sleep-Related Impairment 8a (scale 8-40; where the higher scores correspond to worse sleep) |
| 13 weeks |
| Change in cognitive abilities | Change in cognitive abilities: Difference between rates of change over time in Cognitive Abilities score as assessed by PROMIS Cognitive Function - Abilities 8a (scale 8-40; where the higher scores correspond to better cognitive abilities) | 13 weeks |
| Minimal clinically important difference (MCID) in fatigue | Minimal clinically important difference (MCID) in fatigue: Likelihood of experiencing minimal clinically important difference in fatigue score as assessed by PROMIS Fatigue 8A (scale 8-40; where higher scores correspond to more severe fatigue) | 13 weeks |
| Minimal clinically important difference (MCID) in sleep | Minimal clinically important difference (MCID) in sleep: Likelihood of experiencing minimal clinically important difference in sleep score, as measured by PROMIS Sleep-Related Impairment 8a (scale 8-40; where the higher scores correspond to worse sleep) | 13 weeks |
| Minimal clinically important difference (MCID) in cognitive abilities | Minimal clinically important difference (MCID) in cognitive abilities: Likelihood of experiencing minimal clinically important difference in cognitive abilities score as assessed by PROMIS Cognitive Function - Abilities 8a (scale 8-40; where the higher scores correspond to better cognitive abilities) | 13 weeks |