Home/Loved One/NCT06189963
PHASE1RECRUITING
View on ClinicalTrials.gov

Testing SNK01 against a placebo for moderate alzheimer disease

Official title: Clinical Study of SNK01 in Participants With Moderate Alzheimer's Disease

A Phase I/IIa, Study to Evaluate the Safety, Tolerability and Exploratory Efficacy of SNK01 in Participants With Moderate Alzheimer's Disease

Condition: Moderate Alzheimer DiseaseSponsor: NKGen Biotech, Inc.Target enrollment: 36

Interventions

BIOLOGICAL

SNK01

SNK01 is a novel cell-based, patient specific ex vivo expanded autologous natural killer (NK) cell, immunotherapeutic drug

OTHER

Placebo

Sodium Lactate Hartmann's Solution

Canadian Sites (1)

Ottawa Memory Clinic

Ottawa, Ontario, Canada

WITHDRAWN

Eligibility Criteria

See who this study is looking for37 criteria

The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.

Inclusion

  • +Age 40 to 85 years old.
  • +The participant or their legally authorized representative must be willing and able to give their informed consentInformed consentThe process of being told what taking part involves, then choosing freely.Read more → in writing and comply with the requirements of this study protocolProtocolThe detailed plan a study must follow.Read more →. Informed consent for participants or their legally authorized representative and caregivers will be obtained before any trial-related activity. (Trial-related activities are any procedure that would not be performed during normal treatment of the participant).
  • +Participants must have a reliable study partner/caregiver (per investigatorPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more → judgement for instance a family member, partner etc., guardian (must be always the same person)) who is in close contact with the patient, available on call and who is able to contribute to the assessment of the ratings of the functional endpointsEndpointThe specific thing a study measures to answer its question.Read more → at specific study visits. This person will be able to communicate in the language in which the participant is being assessed and should also serve as a backup contact for the study siteTrial siteA hospital or clinic where a study is actually run.Read more →. The study partner/caregiver must sign a separate informed consent form which describes their contributions during the study.
  • +Patients with diagnosis of Alzheimer's dementia according to the recommendations from the 2011 National Institute on Aging-Alzheimer's Association workgroups on diagnostic guidelines for Alzheimer's disease.
  • +Patients must have at least 6 years of formal education and fluency in the test language as verbally confirmed by the patient or their legally authorized representative and documented by the study investigator.
  • +Condoms, sponges, foams, gels, diaphragms, or intrauterine device (IUD).
  • +Hormonal birth controlControl groupThe group a new treatment is measured against.Read more → for 30 days prior to administration of the study drug.
  • +A vasectomized sexual partner.
  • +Positive evidence for a diagnosis of AD via amyloid positron emission tomography (Amyloid PET) of the brain within the past six months.
  • +CDR-SB score of ≥ 9.5 and \<16.0.
  • +Female participants of childbearing potential must have a negative urine pregnancy test at ScreeningScreeningThe checks done before joining, to see whether a study fits.Read more → and Visit 1 before first administration of the study drug. Females of childbearing potential are defined as those who are not surgically sterile or who are not post-menopausal (i.e.: no menses for at least 1 year). Male and female participants of reproductive potential must also agree to abstinence or use acceptable form(s) of effective contraception during the study and for 30 days after the final dose of the study drug. Acceptable methods of contraception include the following:

Exclusion

  • Immunological disorder such as per investigatorPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more → judgement clinically significant allergies, Lupus erythematodes, or scleroderma.
  • Significant liver disease (for example cirrhosis, active hepatitis B and C, primary or metastatic liver neoplasm).
  • Infection with human immunodeficiency virus (HIV), hepatitis B, hepatitis C, or any other infection or active systemic disease.
  • Substantial concomitant cerebrovascular disease defined as Fazekas Grade 3.
  • History of a stroke/intracranial hemorrhage temporally related to the onset of worsening of cognitive impairment in the opinion of the investigator.
  • Any substance use disorder that has not been in remission for at least 12 months
  • Medical history of cancer (except for basal cell carcinoma) and/or treatment for cancer within the last 5 years.
  • Uncontrolled cardiovascular illnesses such as chronic congestive heart failure (with or without oedema), tachycardia, arrhythmias, uncontrolled hypertension.
  • History of cerebrovascular accident or transient ischemic attack (TIA), or unexplainable loss of consciousness within the last year.
  • Significant pulmonary disease predisposing to hypoxia.
  • Significant ischemic heart disease, myocardial infarction within the last two years and/or with residual angina, orthopnea, conduction defects (ECG), or any other clinically significant heart disease classified as NYHA III or IV.
  • Indication of liver disease, defined by serum levels of either ALT (SGPT), AST (SGOT), or alkaline phosphatase above 3 x upper limit of normal (ULN) as determined during screeningScreeningThe checks done before joining, to see whether a study fits.Read more →.
  • Significant gastrointestinal disorders (for example gastrointestinal bleeding within the last two years, malabsorption syndromes, post-gastrectomy, or active peptic ulcer disease).
  • Uncontrolled/Unstable hematological disease (regardless of cause) such as refractory anemia or refractory myelosuppression.
  • Neurological disease (such as: Lewy body dementia - primary diagnosis, Huntington's disease, Parkinson's Disease, encephalitis, epilepsy, vascular or multi-infarct dementia, stroke, congenital mental deficiency, multiple sclerosis) and psychiatric disorders (such as schizophrenia, or intellectual disability), or any other disorders impacting cognitive function.
  • Unstable/uncontrolled major depression or anxiety within the last 12 months.
  • History of seizures in the past three years.
  • Uncontrolled endocrine disease such as uncontrolled diabetes mellitus or manifest hyperthyroidism, in the opinion of the investigator.
  • Severe renal impairment defined as a GFR \< 30 mL/min/1.73 m2 in the screening lab report
  • Currently being treated with anticoagulants (except aspirin at or below a prophylactic dose).
  • Participants who are taking medications for AD, like memantine or acetylcholinesterase inhibitors (AChEI) that exceeds the normal recommended dose range or have not achieved a stable dose for the 30 days prior to enrollmentEnrolmentThe number of participants a study plans to include, or has included.Read more →.
  • Any contraindication for performing a brain MRI and/or Amyloid PET scan.
  • Any participant whose safety the investigator considers to be at risk from this trial's intervention.
  • Participants with any medically unstable/uncontrolled conditions.
  • Any suicidal behavior in the past 2 years (i.e. actual attempt, interrupted attempt, aborted attempt, or preparatory acts or behavior).
  • Any suicidal ideation of type 4 or 5 in the C-SSRS in the past 3 months (i.e. active suicidal thought with intent but without specific plan, or active suicidal thought with plan and intent).
5 concepts to explore on this page · up to 1,300 pointsTap any term to learn what it means.

In plain language

Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.

Learning 
What this study is

This study is testing a treatment for a condition.

Phase 1Phase 1The earliest stage of human testing, in a small group, focused on safety.Read more →/2 — a combined study that starts with early safety and continues into what the treatment does.

What is being given or done in this study: SNK01, 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, the people giving the treatment, 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.

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 an age range of 40 years to 85 years.

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.maximumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How big and how long

The study aims to enrol about 36 people.

The study is currently expected to finish around June 2027.

The main measurement is taken over: 3 weeks.

From the trial registry

Built from these fields:

  • designModule.enrollmentInfo.count
  • statusModule.completionDateStruct.date
  • outcomesModule.primaryOutcomes[].timeFrame
What the study measures

Number of participants with dose-limiting toxicity — measured over 3 weeks.

Maximum tolerated doseMaximum tolerated doseThe highest amount that can be given before side effects become unacceptable.Read more → determination — measured over 3 weeks.

Number of participants with treatment-related adverse eventsAdverse eventAny medical problem that happens during a study, whether or not the treatment caused it.Read more → as assessed by CTCAE v5.0 — measured over 1 Year.

Preliminary efficacy in cognitive assessment scores of CDR-SB — measured over 1 Year.

The study lists 4 further main measurements.

From the trial registry

Built from these fields:

  • outcomesModule.primaryOutcomes[].measure
  • outcomesModule.primaryOutcomes[].timeFrame

Source: NCT06189963 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 SNK01Biological

SNK01 is a novel cell-based, patient specific ex vivo expanded autologous natural killer (NK) cell, immunotherapeutic drug

From the trial registry — its own words, unedited.

What a biological is here: A treatment made from or by living systems — such as antibodies, vaccines, or cell-based therapies.

Read the full explanation → · in clinical review

About PlaceboOther

Sodium Lactate Hartmann's Solution

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

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: an age range of 40 years to 85 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.maximumAge
  • 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.

From the trial registry
  • armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?

You, the study team, the people giving the treatment, 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 an age range of 40 years to 85 years.

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.maximumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How long would this take?

The study's main measurement is taken over: 3 weeks.

The study as a whole is currently expected to finish around 2027-06.

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 36 people.

From the trial registry
  • designModule.enrollmentInfo.count
Where is this happening?

This study lists 2 locations, including: Ottawa, Ontario, Canada; Albany, New York, United States.

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 goal of this clinical trial is to test SNK01 in participants with moderate Alzheimer's Disease. The main questions it aims to answer are: 1. Is SNK01 safe and tolerable when administered every 3 weeks for up to 1 year as an intravenous infusion 2. Can SNK01 administration improve cognitive assessment scores and biomarkers

Other Sites (1)

Alzheimer's Disease Research Center

Albany, New York, United States

Worth passing on?

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Review the Care Package

This 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.