NCT05644262

Brief Summary

This is a multicenter randomized double-blind placebo-controlled Phase 2 study of an oral combination of tetrahydrocannabinol (THC) and cannabidiol (CBD) compared to placebo over 12 weeks. This study is designed to test the hypothesis that treatment with an oral combination of THC/CBD will reduce agitation hospice care-eligible patients with agitation and dementia as measured by the Cohen Mansfield Agitation Inventory (CMAI) when compared to placebo at 2 weeks. This study will enroll approximately 120 participants of any gender at least 40 years of age who are hospice care-eligible with agitation and dementia (HAD). Participants will be randomized (50:50) to either active study drug (T2:C100) or placebo. The double-blind period of this study is 12 weeks. A 12 week optional open-label extension will be offered to participants who complete the double-blind period.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
120

participants targeted

Target at P50-P75 for phase_2

Timeline
3mo left

Started Dec 2023

Geographic Reach
1 country

10 active sites

Status
active not recruiting

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

Study Progress91%
Dec 2023Aug 2026

First Submitted

Initial submission to the registry

November 16, 2022

Completed
23 days until next milestone

First Posted

Study publicly available on registry

December 9, 2022

Completed
1 year until next milestone

Study Start

First participant enrolled

December 18, 2023

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2026

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2026

Expected
Last Updated

May 4, 2026

Status Verified

April 1, 2026

Enrollment Period

2.4 years

First QC Date

November 16, 2022

Last Update Submit

April 28, 2026

Conditions

Keywords

agitationhospice care-eligibledementiaagitation and dementia (HAD)alzheimer's diseasealzheimer's disease dementiaalzheimer's disease and related dementias

Outcome Measures

Primary Outcomes (1)

  • Change from Baseline in agitation as measured by the Cohen-Mansfield Agitation Inventory (CMAI) at 2 weeks

    The Cohen-Mansfield Agitation Inventory (CMAI) assesses the average frequency of manifestations of agitated behaviors in elderly persons over a 1-week period. The CMAI is a questionnaire consisting of 29 agitated behaviors, each rated on a 7-point frequency scale. In addition to the frequency of each behavior, informants/caregivers will be asked to use a 5-point scale to rate the disruptiveness of each behavior. For this study, the CMAI will target behaviors observed by knowledgeable informants/informed caregivers. Expanded descriptions of the behaviors will be provided to the informant/caregiver to be used as a reference during the interview.

    Baseline, Day 7 and Day 14

Secondary Outcomes (2)

  • Change from Baseline in agitation as measured by the Cohen-Mansfield Agitation Inventory (CMAI) at 12 weeks

    Baseline, Day 7, Day 14, Week 4, Week 8 and Week 12

  • Clinical Global Impression of Change in Behavior (CGIC-B)

    Baseline, Day 7, Day 14, Week 4, Week 8 and Week 12

Study Arms (2)

T2:C100

EXPERIMENTAL
Drug: T2:C100

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

The active study intervention, T2:C100, is an oral combination of tetrahydrocannabinol (THC) and cannabidiol (CBD) in a digestible oil. T2:C100 is a full spectrum oral solution with five non-reactive ingredients: delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), a pharmaceutical grade medium chain triglyceride (MCT) oil, and two flavoring agents (lemon and peppermint). During the double-blind treatment period, participants will receive 1mL study drug (T2:C100) twice daily for Baseline - Day 7 (approximately 1 week), and then will increase to 2mL study drug twice for the remainder of the double-blind treatment period (Day 7 - Week 12 (approximately 11 weeks)). Participants who enter the Open Label Extension will receive 1mL study drug (T2:C100) twice daily for Week 12 - Week 13 (approximately 1 week), and will then increase to 2mL study drug twice daily for the remainder of the Open Label Extension (Week 13 - Week 26 (approximately 23 weeks)).

Also known as: TRC/CBD oral combination
T2:C100

Matching placebo in a digestible oil. The placebo contains only three non-reactive ingredients: medium chain triglyceride (MCT) oil and two flavoring agents (lemon and peppermint). During the double-blind treatment period, participants will receive 1mL placebo twice daily for Baseline - Day 7 (approximately 1 week), and then will increase to 2mL placebo twice for the remainder of the double-blind treatment period (Day 7 - Week 12 (approximately 11 weeks)).

Placebo

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Provision of signed and dated informed consent from participant or legally authorized representative.
  • Person of any sex/gender 40 years of age or older.
  • Ability to take or be administered liquid medication.
  • Meets DSM-V criteria for Major Neurocognitive Disorder.
  • Current clinically significant agitation as demonstrated by an NPI-agitation subscale of 4 or above at Screening.
  • Meets at least one of the following requirements:
  • Currently enrolled in out-patient or in-patient hospice care.
  • Stage 6d on the Functional Assessment Staging Test (FAST).
  • Score of 12 or more according to the Advanced Dementia Prognostic Tool (ADEPT) as implemented by the Mitchell Index.
  • Willing to agree not to use cannabinoids in any form (e.g., topically applied, ingested, inhaled, or other form of administration), other than the trial medication, during the first 12 weeks of the study.
  • Has a third-party clinician (e.g., hospice, palliative care, PCP) who is responsible for medical management of the participant outside the study.
  • In the opinion of the investigator, resides in an environment suitable to conduct a clinical trial (i.e., study intervention can be administered and concomitant medication use can be accurately documented).
  • In the opinion of the site PI, has a study partner (may be paid or unpaid caregiver) able and willing to provide accurate information about the participant, oversee the administration of study drug, and participate in study visits and informant-based assessments (usually requires at least 5 hours of contact per week).
  • NOTE: Other knowledgeable informants/informed caregivers may contribute to informant-based scales; however, the site should identify an informant who will be able to serve as the primary source of information.
  • As assessed by investigator, participant is likely to be able to comply with the protocol for a minimum of 2 weeks.

You may not qualify if:

  • Use of cannabinoids or other forms of marijuana in the 3 weeks prior to Baseline, as based on self-report.
  • Suspected or known allergic reactions, adverse reactions, or hypersensitivity to cannabinoids and/or components (e.g., (\<specify oil to be used in final formulation, e.g.: coconut oil; sesame oil\>) of the study drug (T2:C100 or placebo).
  • Treatment with another investigational drug or other investigational intervention within the previous 30 days or five half-lives of the investigational product, whichever is longer.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Georgetown University

Washington D.C., District of Columbia, 20007, United States

Location

Howard University

Washington D.C., District of Columbia, 20059, United States

Location

Melgar-Caro Medcenter and Community Research (MCMCR)

Miami, Florida, 33145, United States

Location

University of South Florida

Tampa, Florida, 33612, United States

Location

University of Kentucky

Lexington, Kentucky, 40504, United States

Location

Pennington Biomedical Research Center

Baton Rouge, Louisiana, 70808, United States

Location

University of Maryland

Baltimore, Maryland, 21201, United States

Location

Case Western Reserve University

Beachwood, Ohio, 44122, United States

Location

Ralph H. Johnson VA Medical Center

Charleston, South Carolina, 29401, United States

Location

Vanderbilt University Medical Center Center for Cognitive Medicine

Nashville, Tennessee, 37212, United States

Location

Related Links

MeSH Terms

Conditions

Psychomotor AgitationDementiaAlzheimer Disease

Condition Hierarchy (Ancestors)

DyskinesiasNeurologic ManifestationsNervous System DiseasesPsychomotor DisordersNeurobehavioral ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsAberrant Motor Behavior in DementiaBehavioral SymptomsBehaviorBrain DiseasesCentral Nervous System DiseasesNeurocognitive DisordersMental DisordersTauopathiesNeurodegenerative Diseases

Study Officials

  • Paul Aisen, MD

    Alzheimer's Therapeutic Research Institute

    STUDY DIRECTOR
  • Jacobo Mintzer, MD

    Ralph H. Johnson Veterans Affairs Medical Center (VAMC)

    PRINCIPAL INVESTIGATOR
  • Brigid Reynolds, NP

    Georgetown University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

November 16, 2022

First Posted

December 9, 2022

Study Start

December 18, 2023

Primary Completion

April 30, 2026

Study Completion (Estimated)

August 1, 2026

Last Updated

May 4, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share
Shared Documents
STUDY PROTOCOL, SAP

Locations