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CALMA

RecruitingPhase 2

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

Lead sponsor

IGC Pharma, LLC

Asset

IGC AD1

Listed sites

31

Recruiting sites

28

Enrollment

164

estimated

Study population

Alzheimer’s disease

Key I/E criteria

Alzheimer's diseaseStudy partner/caregiver required

Primary endpoint

Agitation

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

Org study IDIGC-AD1-P2 BIDAG
NCT IDNCT05543681

Timeline

Milestones

Study first posted2022-09-16actual
Study start2022-10-11actual
Last update posted2026-05-20actual
Primary completion2026-08estimated (month precision)
Study completion2026-08estimated (month precision)

Assets

Drug assets

Study populations

Who this study enrolls

Alzheimer’s disease

Eligibility

Who can enroll

Minimum age60 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

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).

Endpoints (11)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Behavior / neuropsychiatric
6
Caregiver / quality of life
2
Global cognition
1
Other clinical outcomes
1
Other (unclassified)
1

Global cognition

1 endpoint
Other/protocol endpoint

Participant executive functions

Time frame:Baseline to week six

Mini-Mental State Examination (MMSE)

change from baseline, improvement

Behavior / neuropsychiatric

6 endpoints
Primary/protocol endpoint

Agitation

Time frame:Baseline to week six

change from baseline, improvement

Secondary/protocol endpoint

Acute Agitation

Time frame:Baseline to week two

change from baseline, improvement

Other/protocol endpoint

Agitation at week four

Time frame:Baseline to week four

change from baseline, improvement

Other/protocol endpoint

Depression

Time frame:Baseline to weeks two, four, and six

change from baseline, improvement

Other/protocol endpoint

Neuropsychiatric symptoms

Time frame:Baseline to weeks two, four, and six

Neuropsychiatric Inventory (NPI)

change from baseline, improvement

Other/protocol endpoint

CYP2C9 polymorphisms on agitation

Time frame:Baseline to weeks two, four and six

change from baseline, improvement

Caregiver / quality of life

2 endpoints
Other/protocol endpoint

Participant quality of life

Time frame:Baseline to weeks two, four and six

change from baseline, improvement

Other/protocol endpoint

Caregiver burden

Time frame:Baseline to weeks two and six

change from baseline, improvement

Other clinical outcomes

1 endpoint
Other/protocol endpoint

Participant overall wellbeing

Time frame:Baseline to weeks two and six

change from baseline, improvement

Other (unclassified)

1 endpoint
Other/protocol endpoint/low confidence

Psychotropic drugs

Time frame:Baseline to six weeks

change from baseline, improvement

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 21, 2026
Endpoint classificationDelfa ADRD endpoint taxonomy
Results tableno registry results posted yet

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 21, 2026 snapshot.