Recruiting
Phase 2

Observational Study

Sponsor:

IGC Pharma, LLC

Code:

NCT05543681

Conditions

Alzheimer Disease

Agitation,Psychomotor

Care Giving Burden

NPS

Aggression

Eligibility Criteria

Sex: All

Age: 60+

Healthy Volunteers: Not accepted

Interventions

IGC-AD1-Active

IGC-AD1-Placebo

Study Details

Brief summary:

The purpose of this study is to assess the efficacy of the oral medication IGC-AD1, a THC-based (Delta-9-Tetrahydrocannabinol) formulation administered twice a day on Agitation in patients with mild to severe dementia from Alzheimer's.

Conditions

Alzheimer Disease

Agitation,Psychomotor

Care Giving Burden

NPS

Aggression

Study ID

NCT05543681

Start date

Oct 11, 2022

Status verified date

May, 2026

Completion date

Aug, 2026

Anticipated

Primary completion date

Aug, 2026

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 60+

Healthy Volunteers: Not accepted

To be eligible to participate in this study, the participant must meet all the following criteria:

Inclusion Criteria

1. Participant and/or Caregiver must provide a signed and dated ICF prior to any study procedures.
2. Must have a Caregiver who is able and willing to comply with all required study procedures.
3. The Caregiver must be known to the Participant and must be able to use electronic devices such as a cell phone, video conference over a laptop or cell phone, weighing scale, and be able to learn to take blood pressure, among others.
4. Based on local practice, Participants that cannot consent may have Caregiver's consent provided the Caregiver has among others a) Power of Attorney, b) is a spouse, or c) a sibling or d) a child or e) a close relation. The practice of accepting consent must be consistent with established practice at the site and jurisdiction.
5. Participants must consent to CYP450 and apolipoprotein E (ApoE) genotyping, and pharmacokinetics.
6. Diagnosis of AD by NIA-AA criteria
7. Clinically significant Agitation assessed by:

1. NPI (Agitation) ≥ 4
2. The presence of clinically significant, persistent Agitation based on the IPA definition (Appendix C) rather than those with recent onset and occasional symptoms, and
3. Agitation not attributable to another psychiatric disorder, suboptimal care conditions, other underlining medical condition, or the physiological effects of a substance.
8. Negative drug screen, except for benzodiazepines if Participant has been using them in stable doses for at least 3 months before screening.
9. All medications used for behavioral symptoms should be consistent for at least 6 weeks before screening, with allowance for dose changes up to 25%.
10. Women must be of no childbearing potential (postmenopausal, defined as cessation of menses for at least 12 months, without an alternative medical cause for amenorrhea) or surgically sterile (hysterectomy, bilateral oophorectomy, or bilateral tubal ligation)).

An individual who meets any of the following criteria will be excluded from participation in this study:

Exclusion Criteria

1. Prior adverse reaction to cannabinoids or to any component of Study Drug (IGC-AD1 and placebo).
2. Serious or unstable medical illness, including cardiovascular, hepatic, renal, respiratory, endocrine, neurologic, or hematologic disease, which might confound assessment of safety outcomes.
3. History of seizures, schizophrenia, or bipolar disorder.
4. Has participated in an investigational drug or device study within 30 days prior to study start.
5. Urine drug screen positive for drug use, except for benzodiazepines if Participant was using them previously and their dose had remained stable for at least six weeks before screening.
6. History of Alcohol and Drug use disorder, within one year prior to enrollment.
7. Hypertension: Participants with a history of uncontrolled hypertension as determined by the PI and Participants with a hypertensive crisis in the six months prior to enrollment.
8. Falls: Participants with a history of recurrent falls defined as more than two falls in the six-month period prior to enrollment and a history of falls resulting in injuries or associated with a new acute illness, loss of consciousness, fever, or abnormal blood pressure (Fuller et al., 2000).

Study Design

Enrollment

164 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

active comparator: Active Comparator: IGC-AD1Active

IGC-AD1-Active, oral solution with two APIs (THC and melatonin).

placebo comparator: Placebo Comparator: IGC-AD1 Placebo

IGC-AD1-Placebo, oral solution similar to Active in color, taste, and texture, with excipients but without APIs.

Interventions

IGC-AD1-Active

A non-sterile solution for oral administration.

IGC-AD1-Placebo

A non-sterile solution for oral administration similar in color and texture to the Active.

Primary outcome measure

  • Agitation [ Time Frame: Baseline to week six ]

Central Contacts and Locations

Central contacts

Locations

ClinCloud, LLC

Recruiting

Melbourne, Florida, United States, 32940

Central Miami Medical Institute

Recruiting

Miami, Florida, United States, 33125

Visionary Investigators Network

Recruiting

Miami, Florida, United States, 33133

Miami Jewish Health

Recruiting

Miami, Florida, United States, 33137

Neurostudies Inc.

Recruiting

Port Charlotte, Florida, United States, 33952

BayCare Health System Inc.

Recruiting

St. Petersburg, Florida, United States, 33705

University of South Florida Department of Psychiatry and Behavioral Neurosciences

Recruiting

Tampa, Florida, United States, 33613

Tandem Clinical Research GI, LLC

Recruiting

Metairie, Louisiana, United States, 70006

MedStar Franklin Square Medical Center Neurology

Recruiting

Baltimore, Maryland, United States, 21237

Medstar Southern Maryland Hospital Center

Recruiting

Clinton, Maryland, United States, 20735

Medstar Montgomery Medical Center

Recruiting

Olney, Maryland, United States, 20832

Tekton Research LLC

Recruiting

St Louis, Missouri, United States, 63128

Dent Neurologic Institute

Recruiting

Amherst, New York, United States, 02459

Integrative Clinical Trials, LLC

Recruiting

Brooklyn, New York, United States, 11229

Icahn School of Medicine at Mount Sinai

Recruiting

New York, New York, United States, 10029

Ichor Research

Recruiting

Syracuse, New York, United States, 13210

Lynn Health Science Institute (LHSI)

Recruiting

Oklahoma City, Oklahoma, United States, 73112

Butler Hospital, Brown University

Recruiting

Providence, Rhode Island, United States, 02906

Senior Adults Specialty Research

Recruiting

Austin, Texas, United States, 78757

Baylor Scott and White Research Institute

Recruiting

Dallas, Texas, United States, 75231

Kerwin Medical Center

Recruiting

Dallas, Texas, United States, 75231

Dominion Medical Associates, Inc.

Recruiting

Richmond, Virginia, United States, 23219

Island Health Authorities

Recruiting

Victoria, British Columbia, Canada, V8R 1J8

Hamilton Health Sciences , Mcmaster University

Recruiting

Hamilton, Ontario, Canada, L8M 1W9

Baycrest Academy for Research and Education , University of Toronto

Recruiting

Toronto, Ontario, Canada, ON M6A 2E1

Douglas Hospital Research Center, McGill university

Recruiting

Montreal, Quebec, Canada, H4H 1R3

More Information

Sponsor

IGC Pharma, LLC

Last update posted

May 20, 2026

Last verified

May, 2026

Keywords

  • Cannabis
  • Tetrahydrocannabinol
  • THC
  • Melatonin
  • Alzheimer's
  • Marijuana
  • Hemp
  • Agitation
  • Dementia
  • Depression
  • Anxiety
  • NPI
  • CMAI
  • Dronabinol

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by IGC Pharma, LLC on 2026-05-20.