Testing IGC-AD1-Active against a placebo for alzheimer disease
Official title: Clinical Trial on Agitation in Alzheimer's Dementia
A Phase 2, Multicenter, Double-Blind, Randomized, Placebo-Controlled, Trial of the Safety and Efficacy of IGC-AD1 on Agitation in Participants With Dementia Due to Alzheimer's Disease
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.
Canadian Sites (4)
Island Health Authorities
Victoria, British Columbia, Canada
Hamilton Health Sciences , Mcmaster University
Hamilton, Ontario, Canada
Baycrest Academy for Research and Education , University of Toronto
Toronto, Ontario, Canada
Douglas Hospital Research Center, McGill university
Montreal, Quebec, Canada
Eligibility Criteria
See who this study is looking for31 criteria
The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.
Inclusion
- +Participant and/or Caregiver must provide a signed and dated ICFInformed consentThe process of being told what taking part involves, then choosing freely.Read more → prior to any study procedures.
- +Must have a Caregiver who is able and willing to comply with all required study procedures.
- +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.
- +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 siteTrial siteA hospital or clinic where a study is actually run.Read more → and jurisdiction.
- +Participants must consent to CYP450 and apolipoprotein E (ApoE) genotyping, and pharmacokineticsPharmacokineticsThe study of how the body absorbs, distributes, and clears a treatment.Read more →.
- +Diagnosis of AD by NIA-AA criteria
- +Clinically significant Agitation assessed by:
- +NPI (Agitation) ≥ 4
- +The presence of clinically significant, persistent Agitation based on the IPA definition (Appendix C) rather than those with recent onset and occasional symptoms, and
- +Agitation not attributable to another psychiatric disorder, suboptimal care conditions, other underlining medical condition, or the physiological effects of a substance.
- +Negative drug screen, except for benzodiazepines if Participant has been using them in stable doses for at least 3 months before screeningScreeningThe checks done before joining, to see whether a study fits.Read more →.
- +All medications used for behavioral symptoms should be consistent for at least 6 weeks before screening, with allowance for dose changes up to 25%.
- +An individual who meets any of the following criteria will be excluded from participation in this study:
- +Exclusion CriteriaExclusion criteriaThe things that would prevent someone from taking part.Read more →
- +Prior adverse reactionAdverse eventAny medical problem that happens during a study, whether or not the treatment caused it.Read more → to cannabinoids or to any component of Study Drug (IGC-AD1 and placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more →).
- +Serious or unstable medical illness, including cardiovascular, hepatic, renal, respiratory, endocrine, neurologic, or hematologic disease, which might confound assessment of safety outcomes.
- +History of seizures, schizophrenia, or bipolar disorder.
- +Has participated in an investigational drug or device study within 30 days prior to study start.
- +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.
- +History of Alcohol and Drug use disorder, within one year prior to enrollmentEnrolmentThe number of participants a study plans to include, or has included.Read more →.
- +Hypertension: Participants with a history of uncontrolled hypertension as determined by the PIPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more → and Participants with a hypertensive crisis in the six months prior to enrollment.
- +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).
- +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)).
Exclusion
- −Prior adverse reactionAdverse eventAny medical problem that happens during a study, whether or not the treatment caused it.Read more → to cannabinoids or to any component of Study Drug (IGC-AD1 and placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more →).
- −Serious or unstable medical illness, including cardiovascular, hepatic, renal, respiratory, endocrine, neurologic, or hematologic disease, which might confound assessment of safety outcomes.
- −History of seizures, schizophrenia, or bipolar disorder.
- −Has participated in an investigational drug or device study within 30 days prior to study start.
- −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 screeningScreeningThe checks done before joining, to see whether a study fits.Read more →.
- −History of Alcohol and Drug use disorder, within one year prior to enrollmentEnrolmentThe number of participants a study plans to include, or has included.Read more →.
- −Hypertension: Participants with a history of uncontrolled hypertension as determined by the PIPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more → and Participants with a hypertensive crisis in the six months prior to enrollment.
- −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).
In plain language
Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.
What this study is
This study is testing a treatment for a condition.
Phase 2Phase 2A middle-stage study looking at what a treatment does and watching for side effects.Read more → — a middle-stage study in a few hundred people at most, looking at what the treatment does and watching for side effectsSide effectAn unwanted effect thought to be caused by the treatment itself.Read more →.
What is being given or done in this study: IGC-AD1-Active, IGC-AD1-PlaceboPlaceboA dummy treatment with no active medicine, used for comparison.Read more →.
From the trial registry
Built from these fields:
- designModule.designInfo.primaryPurpose
- designModule.phases
- armsInterventionsModule.interventions[].name
How the study is run
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
You, the study team, and the people analysing the results would all be kept unaware of which group you are in until the study ends.
From the trial registry
Built from these fields:
- designModule.designInfo.allocation
- designModule.designInfo.maskingInfo.masking
Is there a placebo?
One group receives a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → — a dummy treatment with no active medicine in it.
One group receives an existing treatment, so the two can be compared.
There are 2 groups in this study.
From the trial registry
Built from this field:
- armsInterventionsModule.armGroups[].type
Who the study is looking for
The study lists a minimum age of 60 years, with no upper limit given.
The study is open to people of any sex.
The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.
From the trial registry
Built from these fields:
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How big and how long
The study aims to enrol about 164 people.
The study is currently expected to finish around August 2026.
The main measurement is taken over: BaselineBaselineYour starting measurements, taken before treatment begins.Read more → to week six.
From the trial registry
Built from these fields:
- designModule.enrollmentInfo.count
- statusModule.completionDateStruct.date
- outcomesModule.primaryOutcomes[].timeFrame
What the study measures
Agitation — measured over BaselineBaselineYour starting measurements, taken before treatment begins.Read more → to week six.
From the trial registry
Built from these fields:
- outcomesModule.primaryOutcomes[].measure
- outcomesModule.primaryOutcomes[].timeFrame
Source: NCT05543681 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.
Not medical advice. What do these terms mean?
What is being tested — in plain terms
About IGC-AD1-ActiveDrug
A non-sterile solution for oral administration.
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
About IGC-AD1-PlaceboDrug
A non-sterile solution for oral administration similar in color and texture to the Active.
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
Common questions
Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.
Am I eligible for this trial?
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.
What the study lists: a minimum age of 60 years.
The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.
The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.eligibilityCriteria
Is there a placebo?
Yes. This study includes a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group — a dummy treatment with no active medicine in it.
One group receives an existing treatment so the two can be compared.
From the trial registry
- armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?
You, the study team, and the people analysing the results would all be kept unaware of which group you are in until the study ends.
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
From the trial registry
- designModule.designInfo.maskingInfo.masking
- designModule.designInfo.allocation
Who can join?
The study lists a minimum age of 60 years, with no upper limit given.
It is open to people of any sex.
It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How long would this take?
The study's main measurement is taken over: BaselineBaselineYour starting measurements, taken before treatment begins.Read more → to week six.
The study as a whole is currently expected to finish around 2026-08.
How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.
From the trial registry
- outcomesModule.primaryOutcomes[].timeFrame
- statusModule.completionDateStruct.date
How many people are taking part?
The study aims to enrol about 164 people.
From the trial registry
- designModule.enrollmentInfo.count
Where is this happening?
This study lists 8 locations, including: Victoria, British Columbia, Canada; Hamilton, Ontario, Canada; Toronto, Ontario, Canada; Montreal, Quebec, Canada; Amherst, New York, United States; Brooklyn, New York, United States, and 2 more.
Sites can open and close during a study, so confirm with the team before travelling.
From the trial registry
- trial_locations
About This Trial
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.
Other Sites (4)
Dent Neurologic Institute
Amherst, New York, United States
Integrative Clinical Trials, LLC
Brooklyn, New York, United States
Icahn School of Medicine at Mount Sinai
New York, New York, United States
Ichor Research
Syracuse, New York, United States
Worth passing on?
Save it to the Care Package and send it to them, or to their doctor, in one message. Whether they follow it up is theirs to decide.
Review the Care PackageThis page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.