NCT07219641

Brief Summary

Radicle Clarity RPN: A Randomized, Double-Blind, Placebo-Controlled Study Assessing the Impact of Health and Wellness Products on Cognitive Function and Related Health Outcomes.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
750

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Nov 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 20, 2025

Completed
2 days until next milestone

First Posted

Study publicly available on registry

October 22, 2025

Completed
14 days until next milestone

Study Start

First participant enrolled

November 5, 2025

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 30, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 30, 2026

Completed
Last Updated

February 9, 2026

Status Verified

September 1, 2025

Enrollment Period

3 months

First QC Date

October 20, 2025

Last Update Submit

February 5, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • 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)

    7 weeks

Secondary Outcomes (3)

  • Change in fatigue

    7 weeks

  • Change in sleep-related impairment

    7 weeks

  • Change in cognitive abilities

    7 weeks

Other Outcomes (4)

  • Minimal clinically important difference (MCID) in cognitive function

    7 weeks

  • Minimal clinically important difference (MCID) in fatigue

    7 weeks

  • Minimal clinically important difference (MCID) in sleep

    7 weeks

  • +1 more other outcomes

Study Arms (3)

Placebo Control

PLACEBO COMPARATOR

Clarity Product Placebo Control

Dietary Supplement: Clarity Product Placebo Control

Active Product 1

EXPERIMENTAL

Clarity Active Product 1

Dietary Supplement: Clarity Active Product 1

Active Product 2

EXPERIMENTAL

Clarity Active Product 2

Dietary Supplement: Clarity Active Product 2

Interventions

Participants will use their Clarity Product Placebo Control as directed for a period of 6 weeks.

Placebo Control
Clarity Active Product 1DIETARY_SUPPLEMENT

Participants will use their Clarity Active Product 1 as directed for a period of 6 weeks.

Active Product 1
Clarity Active Product 2DIETARY_SUPPLEMENT

Participants will use their Clarity Active Product 2 as directed for a period of 6 weeks.

Active Product 2

Eligibility Criteria

Age21 Years - 105 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
\- Inclusion Participants must meet all the following criteria: * Adults, at least 21 years of age at the time of electronic consent, inclusive of all ethnicities, races, and gender identities. * Assigned sex at birth will determine sex-specific recruitment and surveys (male vs female) employed, when needed. * 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 will 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. * 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. * NYHA Class III or IV congestive heart failure, atrial fibrillation, uncontrolled arrhythmias, cirrhosis, end-stage liver disease, stage 3b or 4 chronic kidney disease, or kidney failure. * Reports taking medications that have a well-established moderate or severe interaction, posing a substantial safety risk with any of the study product ingredients. * Anticoagulants, antihypertensives, anxiolytics, antidepressants, chemotherapy, immunotherapy, sedative hypnotics, seizure medications, medications that warn against grapefruit consumption, corticosteroids at doses greater than 5 mg per day, diabetic medications, oral anti-infectives (antibiotics, antifungals, antivirals) to treat an acute infection, antipsychotics, MAOIs, or thyroid products. * 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. * Lack of reliable daily access to the internet.

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (1)

Radicle Science Inc.

Del Mar, California, 92014, United States

Location

Related Links

Study Officials

  • Susan Hewlings

    Radicle Science

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
The investigator is blinded to the participants' assigned study products. Participants are blinded to the study product they received.
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: Participants will be stratified based on their age, 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.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 20, 2025

First Posted

October 22, 2025

Study Start

November 5, 2025

Primary Completion

January 30, 2026

Study Completion

January 30, 2026

Last Updated

February 9, 2026

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Data will not be shared with researchers outside of Radicle Collaborators on this study.

Locations