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← Trials/Trial dossier/NCT00959192

CompletedPhase 2Results posted

Safety, Tolerability, And Immunogenicity Study Of ACC-001 In Japanese Subjects With Mild To Moderate Alzheimer's Disease

Phase Iia, Multicenter, Randomized, Third-party Unblinded, Adjuvant-controlled, Multiple Ascending Dose, Safety, Tolerability, And Immunogenicity Trial Of Acc-001 Withqs-21 Adjuvant In Japanese Subjects With Mild To Moderate Alzheimer's Disease.

Lead sponsor

Pfizer

Asset

ACC-001

Listed sites

9

Recruiting sites

-

Enrollment

32

actual

Study population

Alzheimer’s disease

Key I/E criteria

mild-to-moderate ADMMSE 16-26

Primary endpoints

Treatment-emergent Adverse Events (AEs) by SeverityBrain Abnormalities in Magnetic Resonance Imaging (MRI) DataAbnormalities in Neurological Examination

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 ID3134K1-2206
Secondary IDB2571009Alias Study Number
NCT IDNCT00959192

Timeline

Milestones

Study start2009-08 (month precision)
Study first posted2009-08-14estimated
Primary completion2013-01actual (month precision)
Study completion2013-01actual (month precision)
Last update posted2016-01-01estimated
Results first posted2016-01-01estimated

Assets

Drug assets

Study populations

Who this study enrolls

Alzheimer’s disease

Eligibility

Who can enroll

Minimum age50 Years
Maximum age85 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

Diagnosis of mild to moderate Alzheimer's Disease
Mini-Mental State Examination (MMSE) 16-26

Exclusion criteria

Significant Neurological Disease other than Alzheimer's disease
Major psychiatric disorder
Clinically significant systemic illness

Endpoints (18)

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

Global cognition
6
Other (unclassified)
4
Executive function / language
2
Function / daily living
2
Neuroimaging
2
Safety / tolerability / PK
2

Global cognition

6 endpoints
Other/protocol endpoint

The Mean Changes in Alzheimer's Disease Assessment Scale-Cognitive Behavior (ADAS-Cog) Score From Baseline at Week 12, 26, 52, 78 and 104.

Time frame:Baseline up to 24 months

ADAS-Cog

concentration, descriptive

Other/protocol endpoint

The Mean Changes in Neuropsychological Test Battery (NTB) Score From Baseline at Week 12, 26, 52 and 78.

Time frame:Baseline up to 24 months

categorical status, descriptive

Other/protocol endpoint

The Mean Changes in Mini-Mental State Examination (MMSE) Score From Baseline at Week 4, 8, 12, 16, 26, 30, 40, 52, 78 and 104.

Time frame:Baseline up to 24 months

Mini-Mental State Examination (MMSE)

descriptive

Other_pre_specified/registry result

The Mean Changes in Alzheimer's Disease Assessment Scale-Cognitive Behavior (ADAS-Cog) Score From Baseline at Week 12, 26, 52, 78 and 104.

Time frame:Baseline up to 24 months

ADAS-Cog

concentration, descriptive

Posted result

GroupValue (mean), Units on a scaleStandard deviation
ACC-001 3 Micrograms + QS-21Week 12 (n=6,9,9,8)n=6 Participants0.065.20
Week 26 (n=6,9,9,8)n=6 Participants0.394.38
Week 52 (n=5,9,7,8)n=6 Participants1.878.32
Week 78 (n=4,8,6,7)n=6 Participants0.173.50
Week 104 (n=0,1,1,0)n=6 ParticipantsNANA
ACC-001 10 Micrograms + QS-21Week 12 (n=6,9,9,8)n=9 Participants0.524.39
Week 26 (n=6,9,9,8)n=9 Participants-0.415.41
Week 52 (n=5,9,7,8)n=9 Participants0.154.82
Week 78 (n=4,8,6,7)n=9 Participants3.407.08
Week 104 (n=0,1,1,0)n=9 Participants-4.33NA
ACC-001 30 Micrograms + QS-21Week 12 (n=6,9,9,8)n=9 Participants2.934.10
Week 26 (n=6,9,9,8)n=9 Participants3.566.74
Week 52 (n=5,9,7,8)n=9 Participants5.056.68
Week 78 (n=4,8,6,7)n=9 Participants5.393.66
Week 104 (n=0,1,1,0)n=9 Participants8.33NA
QS-21Week 12 (n=6,9,9,8)n=8 Participants-0.253.30
Week 26 (n=6,9,9,8)n=8 Participants-0.635.76
Week 52 (n=5,9,7,8)n=8 Participants1.047.01
Week 78 (n=4,8,6,7)n=8 Participants2.337.78
Week 104 (n=0,1,1,0)n=8 ParticipantsNANA
Other_pre_specified/registry result

The Mean Changes in Neuropsychological Test Battery (NTB) Score From Baseline at Week 12, 26, 52 and 78.

Time frame:Baseline up to 24 months

categorical status, descriptive

Posted result

GroupValue (mean), Z-scoreStandard deviation
ACC-001 3 Micrograms + QS-21Week 12 (n=6,9,8,8)n=6 Participants0.0230.416
Week 26 (n=6,9,9,8)n=6 Participants0.1140.423
Week 52 (n=5,9,7,8)n=6 Participants0.0810.288
Week 78 (n=4,8,6,7)n=6 Participants-0.0880.334
Week 104 (n=0,1,1,0)n=6 ParticipantsNANA
ACC-001 10 Micrograms + QS-21Week 12 (n=6,9,8,8)n=9 Participants0.2750.280
Week 26 (n=6,9,9,8)n=9 Participants0.2540.353
Week 52 (n=5,9,7,8)n=9 Participants0.2110.285
Week 78 (n=4,8,6,7)n=9 Participants-0.0370.494
Week 104 (n=0,1,1,0)n=9 Participants0.514NA
ACC-001 30 Micrograms + QS-21Week 12 (n=6,9,8,8)n=9 Participants-0.0280.282
Week 26 (n=6,9,9,8)n=9 Participants-0.0810.530
Week 52 (n=5,9,7,8)n=9 Participants-0.1090.263
Week 78 (n=4,8,6,7)n=9 Participants-0.1200.442
Week 104 (n=0,1,1,0)n=9 Participants-0.559NA
QS-21Week 12 (n=6,9,8,8)n=8 Participants0.2270.107
Week 26 (n=6,9,9,8)n=8 Participants0.2220.308
Week 52 (n=5,9,7,8)n=8 Participants0.2130.416
Week 78 (n=4,8,6,7)n=8 Participants0.2460.336
Week 104 (n=0,1,1,0)n=8 ParticipantsNANA
Other_pre_specified/registry result

The Mean Changes in Mini-Mental State Examination (MMSE) Score From Baseline at Week 4, 8, 12, 16, 26, 30, 40, 52, 78 and 104.

Time frame:Baseline up to 24 months

Mini-Mental State Examination (MMSE)

descriptive

Posted result

GroupValue (mean), Units on a scaleStandard deviation
ACC-001 3 Micrograms + QS-21Week 4 (n=6,9,9,8)n=6 Participants1.71.5
Week 8 (n=6,9,9,8)n=6 Participants2.23.1
Week 12 (n=6,9,9,8)n=6 Participants0.82.8
Week 16 (n=6,9,9,8)n=6 Participants1.53.4
Week 26 (n=6,9,8,8)n=6 Participants0.33.8
Week 30 (n=6,9,8,8)n=6 Participants0.33.7
Week 40 (n=4,9,7,8)n=6 Participants2.32.2
Week 52 (n=5,8,7,7)n=6 Participants0.44.5
Week 78 (n=4,8,6,7)n=6 Participants1.82.5
Week 104 (n=0,1,1,0)n=6 ParticipantsNANA
ACC-001 10 Micrograms + QS-21Week 4 (n=6,9,9,8)n=9 Participants1.31.7
Week 8 (n=6,9,9,8)n=9 Participants0.93.2
Week 12 (n=6,9,9,8)n=9 Participants1.12.7
Week 16 (n=6,9,9,8)n=9 Participants1.32.3
Week 26 (n=6,9,8,8)n=9 Participants0.12.6
Week 30 (n=6,9,8,8)n=9 Participants1.22.4
Week 40 (n=4,9,7,8)n=9 Participants0.83.5
Week 52 (n=5,8,7,7)n=9 Participants1.03.8
Week 78 (n=4,8,6,7)n=9 Participants-1.43.9
Week 104 (n=0,1,1,0)n=9 Participants-2.0NA
ACC-001 30 Micrograms + QS-21Week 4 (n=6,9,9,8)n=9 Participants1.62.7
Week 8 (n=6,9,9,8)n=9 Participants1.31.7
Week 12 (n=6,9,9,8)n=9 Participants1.12.0
Week 16 (n=6,9,9,8)n=9 Participants2.92.5
Week 26 (n=6,9,8,8)n=9 Participants1.02.8
Week 30 (n=6,9,8,8)n=9 Participants1.62.4
Week 40 (n=4,9,7,8)n=9 Participants0.72.0
Week 52 (n=5,8,7,7)n=9 Participants1.12.1
Week 78 (n=4,8,6,7)n=9 Participants-0.31.2
Week 104 (n=0,1,1,0)n=9 Participants-1.0NA
QS-21Week 4 (n=6,9,9,8)n=8 Participants0.42.3
Week 8 (n=6,9,9,8)n=8 Participants0.92.6
Week 12 (n=6,9,9,8)n=8 Participants1.42.7
Week 16 (n=6,9,9,8)n=8 Participants0.41.8
Week 26 (n=6,9,8,8)n=8 Participants-0.11.6
Week 30 (n=6,9,8,8)n=8 Participants0.33.3
Week 40 (n=4,9,7,8)n=8 Participants0.53.2
Week 52 (n=5,8,7,7)n=8 Participants0.62.5
Week 78 (n=4,8,6,7)n=8 Participants0.03.2
Week 104 (n=0,1,1,0)n=8 ParticipantsNANA

Executive function / language

2 endpoints
Primary/protocol endpoint

Number of Participants With Abnormalities in Neurological Examination

Time frame:Baseline up to 24 months

event count, event

Primary/registry result

Number of Participants With Abnormalities in Neurological Examination

Time frame:Baseline up to 24 months

event count, event

Posted result

GroupValue (number), ParticipantsReported bounds
ACC-001 3 Micrograms + QS-21Totaln=6 Participants1-
Mental Statusn=6 Participants0-
Speechn=6 Participants0-
Cranial Nervesn=6 Participants0-
Visual Fieldn=6 Participants0-
Sensoryn=6 Participants1-
Motorn=6 Participants0-
Coordinationn=6 Participants0-
Gaten=6 Participants0-
Primitive reflexesn=6 Participants0-
Tendon reflexesn=6 Participants0-
Rombergn=6 Participants0-
ACC-001 10 Micrograms + QS-21Totaln=9 Participants1-
Mental Statusn=9 Participants0-
Speechn=9 Participants0-
Cranial Nervesn=9 Participants0-
Visual Fieldn=9 Participants0-
Sensoryn=9 Participants0-
Motorn=9 Participants0-
Coordinationn=9 Participants0-
Gaten=9 Participants0-
Primitive reflexesn=9 Participants0-
Tendon reflexesn=9 Participants0-
Rombergn=9 Participants1-
ACC-001 30 Micrograms + QS-21Totaln=9 Participants0-
Mental Statusn=9 Participants0-
Speechn=9 Participants0-
Cranial Nervesn=9 Participants0-
Visual Fieldn=9 Participants0-
Sensoryn=9 Participants0-
Motorn=9 Participants0-
Coordinationn=9 Participants0-
Gaten=9 Participants0-
Primitive reflexesn=9 Participants0-
Tendon reflexesn=9 Participants0-
Rombergn=9 Participants0-
QS-21Totaln=8 Participants0-
Mental Statusn=8 Participants0-
Speechn=8 Participants0-
Cranial Nervesn=8 Participants0-
Visual Fieldn=8 Participants0-
Sensoryn=8 Participants0-
Motorn=8 Participants0-
Coordinationn=8 Participants0-
Gaten=8 Participants0-
Primitive reflexesn=8 Participants0-
Tendon reflexesn=8 Participants0-
Rombergn=8 Participants0-

Function / daily living

2 endpoints
Other/protocol endpoint

The Mean Changes in Disability Assessment for Dementia (DAD) Score From Baseline at Week 12, 26, 52,78 and 104.

Time frame:Baseline up to 24 months

descriptive

Other_pre_specified/registry result

The Mean Changes in Disability Assessment for Dementia (DAD) Score From Baseline at Week 12, 26, 52,78 and 104.

Time frame:Baseline up to 24 months

descriptive

Posted result

GroupValue (mean), Units on a scaleStandard deviation
ACC-001 3 Micrograms + QS-21Week 12 (n=5,9,7,8)n=6 Participants-4.79.7
Week 26 (n=6,9,8,8)n=6 Participants-10.114.5
Week 52 (n=5,8,6,8)n=6 Participants-11.220.9
Week 78 (n=4,8,5,6)n=6 Participants-0.63.1
Week 104 (n=0,1,1,0)n=6 ParticipantsNANA
ACC-001 10 Micrograms + QS-21Week 12 (n=5,9,7,8)n=9 Participants0.72.6
Week 26 (n=6,9,8,8)n=9 Participants-0.211.9
Week 52 (n=5,8,6,8)n=9 Participants-3.410.7
Week 78 (n=4,8,5,6)n=9 Participants-5.47.7
Week 104 (n=0,1,1,0)n=9 Participants0NA
ACC-001 30 Micrograms + QS-21Week 12 (n=5,9,7,8)n=8 Participants1.55.1
Week 26 (n=6,9,8,8)n=8 Participants-4.428.6
Week 52 (n=5,8,6,8)n=8 Participants-1.85.1
Week 78 (n=4,8,5,6)n=8 Participants0.56.9
Week 104 (n=0,1,1,0)n=8 Participants12.8NA
QS-21Week 12 (n=5,9,7,8)n=8 Participants1.76.4
Week 26 (n=6,9,8,8)n=8 Participants-0.66.5
Week 52 (n=5,8,6,8)n=8 Participants-3.19.0
Week 78 (n=4,8,5,6)n=8 Participants3.53.2
Week 104 (n=0,1,1,0)n=8 ParticipantsNANA

Neuroimaging

2 endpoints
Primary/protocol endpoint

Number of Participants With Brain Abnormalities in Magnetic Resonance Imaging (MRI) Data

Time frame:Baseline up to 24 months

event count, event

Primary/registry result

Number of Participants With Brain Abnormalities in Magnetic Resonance Imaging (MRI) Data

Time frame:Baseline up to 24 months

event count, event

Posted result

GroupValue (number), ParticipantsReported bounds
ACC-001 3 Micrograms + QS-21Abnormal - inconsistent with ADn=6 Participants1-
Abnormal - consistent with ADn=6 Participants6-
ACC-001 10 Micrograms + QS-21Abnormal - inconsistent with ADn=9 Participants0-
Abnormal - consistent with ADn=9 Participants9-
ACC-001 30 Micrograms + QS-21Abnormal - inconsistent with ADn=9 Participants2-
Abnormal - consistent with ADn=9 Participants9-
QS-21Abnormal - inconsistent with ADn=8 Participants0-
Abnormal - consistent with ADn=8 Participants8-

Safety / tolerability / PK

2 endpoints
Primary/protocol endpoint

Incidence of Treatment-emergent Adverse Events (AEs) by Severity

Time frame:Baseline up to 24 months

event count, event

Primary/registry result

Incidence of Treatment-emergent Adverse Events (AEs) by Severity

Time frame:Baseline up to 24 months

event count, event

Posted result

GroupValue (number), ParticipantsReported bounds
ACC-001 3 Micrograms + QS-21Mildn=6 Participants4-
Moderaten=6 Participants2-
Severen=6 Participants0-
ACC-001 10 Micrograms + QS-21Mildn=9 Participants7-
Moderaten=9 Participants1-
Severen=9 Participants0-
ACC-001 30 Micrograms + QS-21Mildn=9 Participants7-
Moderaten=9 Participants1-
Severen=9 Participants1-
QS-21Mildn=8 Participants5-
Moderaten=8 Participants2-
Severen=8 Participants0-

Other (unclassified)

4 endpoints
Secondary/protocol endpoint/low confidence

Anti-a-beta IgG Titer at Specified Visits

Time frame:Baseline up to 24 months

descriptive

Secondary/protocol endpoint/low confidence

Anti-a-beta IgM Titer at Specified Visits

Time frame:Baseline up to 24 months

descriptive

Secondary/registry result/low confidence

Anti-a-beta IgG Titer at Specified Visits

Time frame:Baseline up to 24 months

descriptive

Posted result

GroupValue (geometric_mean), Units/mLReported bounds
ACC-001 3 Micrograms + QS-21Pre-study (n=6,9,9,8)n=6 Participants50.0-50.0 - 50.0
Week 2 (n=6,9,9,8)n=6 Participants62.2-35.5 - 109.3
Week 4 (n=6,9,9,8)n=6 Participants107.9-30.3 - 384.4
Week 6 (n=6,9,9,8)n=6 Participants2106.5-141.7 - 31312.7
Week 8 (n=6,9,9,8)n=6 Participants1143.3-108.0 - 12104.3
Week 10 (n=6,9,9,8)n=6 Participants979.2-96.8 - 9903.1
Week 14 (n=6,9,9,8)n=6 Participants6088.4-714.5 - 51878.2
Week 16 (n=6,9,9,8)n=6 Participants3860.4-342.5 - 43507.1
Week 24 (n=6,9,9,8)n=6 Participants1151.5-165.8 - 7998.4
Week 28 (n=6,9,7,8)n=6 Participants8216.5-1550.5 - 43541.2
Week 30 (n=6,9,7,8)n=6 Participants7218.7-1438.9 - 36213.5
Week 40 (n=5,9,8,8)n=6 Participants3136.4-651.2 - 15106.7
Week 50 (n=6,8,7,8)n=6 Participants1854.5-558.3 - 6159.4
Week 54 (n=5,8,7,7)n=6 Participants2873.6-264.8 - 31178.1
Week 56 (n=4,8,7,7)n=6 Participants11006.2-1617.8 - 74878.3
Week 66 (n=4,8,7,7)n=6 Participants7407.9-1127.0 - 48693.5
Week 78 (n=4,8,6,7)n=6 Participants5108.6-1013.9 - 25739.1
Week 91 (n=0,1,1,0)n=6 ParticipantsNA-NA - NA
Week 104 (n=0,1,1,0)n=6 ParticipantsNA-NA - NA
ACC-001 10 Micrograms + QS-21Pre-study (n=6,9,9,8)n=9 Participants50.0-50.0 - 50.0
Week 2 (n=6,9,9,8)n=9 Participants65.0-35.5 - 118.9
Week 4 (n=6,9,9,8)n=9 Participants94.2-40.1 - 221.1
Week 6 (n=6,9,9,8)n=9 Participants4793.2-1261.0 - 18220.0
Week 8 (n=6,9,9,8)n=9 Participants2331.4-512.2 - 10612.3
Week 10 (n=6,9,9,8)n=9 Participants1674.9-369.5 - 7592.9
Week 14 (n=6,9,9,8)n=9 Participants6286.2-3923.5 - 10071.6
Week 16 (n=6,9,9,8)n=9 Participants4170.4-2641.8 - 6583.4
Week 24 (n=6,9,9,8)n=9 Participants1455.0-936.2 - 2261.1
Week 28 (n=6,9,7,8)n=9 Participants8929.3-4466.9 - 17849.8
Week 30 (n=6,9,7,8)n=9 Participants7017.4-3510.7 - 14026.7
Week 40 (n=5,9,8,8)n=9 Participants2706.5-1358.1 - 5393.9
Week 50 (n=6,8,7,8)n=9 Participants1255.8-656.3 - 2402.9
Week 54 (n=5,8,7,7)n=9 Participants9636.4-4558.5 - 20370.7
Week 56 (n=4,8,7,7)n=9 Participants7582.4-3143.9 - 18286.8
Week 66 (n=4,8,7,7)n=9 Participants3942.5-1539.4 - 10096.9
Week 78 (n=4,8,6,7)n=9 Participants2465.3-961.9 - 6318.5
Week 91 (n=0,1,1,0)n=9 Participants546.0-NA - NA
Week 104 (n=0,1,1,0)n=9 Participants414.0-NA - NA
ACC-001 30 Micrograms + QS-21Pre-study (n=6,9,9,8)n=9 Participants50.0-50.0 - 50.0
Week 2 (n=6,9,9,8)n=9 Participants67.0-34.1 - 131.8
Week 4 (n=6,9,9,8)n=9 Participants79.0-27.5 - 227.1
Week 6 (n=6,9,9,8)n=9 Participants5702.6-1181.1 - 17288.0
Week 8 (n=6,9,9,8)n=9 Participants3423.9-1182.1 - 9917.0
Week 10 (n=6,9,9,8)n=9 Participants2012.4-643.4 - 6294.9
Week 14 (n=6,9,9,8)n=9 Participants9983.5-2820.9 - 35333.3
Week 16 (n=6,9,9,8)n=9 Participants9228.0-2930.5 - 29058.2
Week 24 (n=6,9,9,8)n=9 Participants3903.1-1151.8 - 13226.8
Week 28 (n=6,9,7,8)n=9 Participants7429.5-3925.7 - 14060.5
Week 30 (n=6,9,7,8)n=9 Participants6162.2-3062.2 - 12400.6
Week 40 (n=5,9,8,8)n=9 Participants3615.5-1145.5 - 11411.2
Week 50 (n=6,8,7,8)n=9 Participants1261.4-699.2 - 2275.9
Week 54 (n=5,8,7,7)n=9 Participants8604.6-4030.7 - 18368.8
Week 56 (n=4,8,7,7)n=9 Participants6201.5-2921.4 - 13164.5
Week 66 (n=4,8,7,7)n=9 Participants2452.5-1442.5 - 4169.7
Week 78 (n=4,8,6,7)n=9 Participants1316.3-645.0 - 2686.1
Week 91 (n=0,1,1,0)n=9 Participants389.0-NA - NA
Week 104 (n=0,1,1,0)n=9 Participants285.0-NA - NA
QS-21Pre-study (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 2 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 4 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 6 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 8 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 10 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 14 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 16 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 24 (n=6,9,9,8)n=8 Participants50.0-50.0 - 50.0
Week 28 (n=6,9,7,8)n=8 Participants50.0-50.0 - 50.0
Week 30 (n=6,9,7,8)n=8 Participants50.0-50.0 - 50.0
Week 40 (n=5,9,8,8)n=8 Participants50.0-50.0 - 50.0
Week 50 (n=6,8,7,8)n=8 Participants50.0-50.0 - 50.0
Week 54 (n=5,8,7,7)n=8 Participants50.0-50.0 - 50.0
Week 56 (n=4,8,7,7)n=8 Participants50.0-50.0 - 50.0
Week 66 (n=4,8,7,7)n=8 Participants50.0-50.0 - 50.0
Week 78 (n=4,8,6,7)n=8 Participants50.0-50.0 - 50.0
Week 91 (n=0,1,1,0)n=8 ParticipantsNA-NA - NA
Week 104 (n=0,1,1,0)n=8 ParticipantsNA-NA - NA
Secondary/registry result/low confidence

Anti-a-beta IgM Titer at Specified Visits

Time frame:Baseline up to 24 months

descriptive

Posted result

GroupValue (geometric_mean), Units/mLReported bounds
ACC-001 3 Micrograms + QS-21Pre-study (n=6,9,9,8)n=6 Participants30.9-17.9 - 53.6
Week 2 (n=6,9,9,8)n=6 Participants77.1-17.1 - 347.0
Week 4 (n=6,9,9,8)n=6 Participants108.5-19.4 - 605.6
Week 6 (n=6,9,9,8)n=6 Participants953.2-95.7 - 9493.1
Week 8 (n=6,9,9,8)n=6 Participants848.6-85.6 - 8414.6
Week 10 (n=6,9,9,8)n=6 Participants850.8-147.5 - 4907.8
Week 14 (n=6,9,9,8)n=6 Participants1487.6-288.1 - 7682.0
Week 16 (n=6,9,9,8)n=6 Participants1503.2-254.5 - 8880.8
Week 24 (n=6,9,9,8)n=6 Participants898.5-222.1 - 3634.1
Week 28 (n=6,9,7,8)n=6 Participants885.9-240.0 - 3270.2
Week 30 (n=6,9,7,8)n=6 Participants859.5-273.2 - 2704.0
Week 40 (n=5,9,8,8)n=6 Participants449.0-110.4 - 1825.7
Week 50 (n=6,8,7,8)n=6 Participants354.2-75.6 - 1659.4
Week 54 (n=5,8,7,7)n=6 Participants680.7-120.0 - 3861.3
Week 56 (n=4,8,7,7)n=6 Participants1768.3-342.4 - 9132.4
Week 66 (n=4,8,7,7)n=6 Participants1213.0-244.1 - 6027.2
Week 78 (n=4,8,6,7)n=6 Participants952.8-251.0 - 3617.1
Week 91 (n=0,1,1,0)n=6 ParticipantsNA-NA - NA
Week 104 (n=0,1,1,0)n=6 ParticipantsNA-NA - NA
ACC-001 10 Micrograms + QS-21Pre-study (n=6,9,9,8)n=9 Participants28.2-21.3 - 37.4
Week 2 (n=6,9,9,8)n=9 Participants92.0-31.7 - 266.6
Week 4 (n=6,9,9,8)n=9 Participants141.5-41.6 - 481.5
Week 6 (n=6,9,9,8)n=9 Participants2988.4-879.2 - 10157.9
Week 8 (n=6,9,9,8)n=9 Participants2940.1-812.5 - 10639.6
Week 10 (n=6,9,9,8)n=9 Participants2432.1-661.4 - 8943.5
Week 14 (n=6,9,9,8)n=9 Participants2231.0-728.6 - 6831.2
Week 16 (n=6,9,9,8)n=9 Participants2484.8-797.6 - 7740.9
Week 24 (n=6,9,9,8)n=9 Participants1421.8-442.7 - 4565.8
Week 28 (n=6,9,7,8)n=9 Participants3395.8-1356.5 - 8500.9
Week 30 (n=6,9,7,8)n=9 Participants3729.9-1286.6 - 10812.9
Week 40 (n=5,9,8,8)n=9 Participants2480.5-760.2 - 8093.8
Week 50 (n=6,8,7,8)n=9 Participants1330.0-388.5 - 4553.3
Week 54 (n=5,8,7,7)n=9 Participants2605.4-862.1 - 7874.2
Week 56 (n=4,8,7,7)n=9 Participants2570.6-794.2 - 8320.4
Week 66 (n=4,8,7,7)n=9 Participants1872.7-523.3 - 6701.7
Week 78 (n=4,8,6,7)n=9 Participants1650.3-491.4 - 5542.5
Week 91 (n=0,1,1,0)n=9 Participants219.0-NA - NA
Week 104 (n=0,1,1,0)n=9 Participants154.0-NA - NA
ACC-001 30 Micrograms + QS-21Pre-study (n=6,9,9,8)n=9 Participants25.0-25.0 - 25.0
Week 2 (n=6,9,9,8)n=9 Participants53.5-22.5 - 127.6
Week 4 (n=6,9,9,8)n=9 Participants108.5-41.0 - 286.9
Week 6 (n=6,9,9,8)n=9 Participants2381.4-662.7 - 8556.9
Week 8 (n=6,9,9,8)n=9 Participants2776.2-622.2 - 12386.2
Week 10 (n=6,9,9,8)n=9 Participants2323.9-482.5 - 11192.7
Week 14 (n=6,9,9,8)n=9 Participants4438.5-1000.5 - 19689.6
Week 16 (n=6,9,9,8)n=9 Participants4590.6-1041.7 - 20230.3
Week 24 (n=6,9,9,8)n=9 Participants2396.4-643.2 - 8928.8
Week 28 (n=6,9,7,8)n=9 Participants3592.8-628.7 - 20531.3
Week 30 (n=6,9,7,8)n=9 Participants2956.7-636.6 - 13732.9
Week 40 (n=5,9,8,8)n=9 Participants1967.3-421.5 - 9183.1
Week 50 (n=6,8,7,8)n=9 Participants1326.8-233.3 - 7546.2
Week 54 (n=5,8,7,7)n=9 Participants3017.0-678.8 - 13408.9
Week 56 (n=4,8,7,7)n=9 Participants3051.9-618.2 - 15066.0
Week 66 (n=4,8,7,7)n=9 Participants1825.1-346.2 - 9621.6
Week 78 (n=4,8,6,7)n=9 Participants844.9-155.4 - 4594.7
Week 91 (n=0,1,1,0)n=9 Participants351.0-NA - NA
Week 104 (n=0,1,1,0)n=9 Participants258.0-NA - NA
QS-21Pre-study (n=6,9,9,8)n=8 Participants41.5-21.8 - 78.8
Week 2 (n=6,9,9,8)n=8 Participants42.4-21.6 - 83.3
Week 4 (n=6,9,9,8)n=8 Participants43.7-21.6 - 88.3
Week 6 (n=6,9,9,8)n=8 Participants43.0-21.6 - 85.9
Week 8 (n=6,9,9,8)n=8 Participants46.9-23.7 - 92.9
Week 10 (n=6,9,9,8)n=8 Participants36.1-19.1 - 68.2
Week 14 (n=6,9,9,8)n=8 Participants37.6-19.6 - 72.3
Week 16 (n=6,9,9,8)n=8 Participants40.5-18.4 - 89.5
Week 24 (n=6,9,9,8)n=8 Participants40.1-18.4 - 87.1
Week 28 (n=6,9,7,8)n=8 Participants42.1-21.3 - 83.3
Week 30 (n=6,9,7,8)n=8 Participants38.9-19.4 - 78.2
Week 40 (n=5,9,8,8)n=8 Participants37.8-19.2 - 74.4
Week 50 (n=6,8,7,8)n=8 Participants39.9-17.9 - 88.8
Week 54 (n=5,8,7,7)n=8 Participants48.3-19.2 - 121.1
Week 56 (n=4,8,7,7)n=8 Participants40.5-16.4 - 100.0
Week 66 (n=4,8,7,7)n=8 Participants46.0-20.2 - 104.4
Week 78 (n=4,8,6,7)n=8 Participants48.3-19.0 - 122.8
Week 91 (n=0,1,1,0)n=8 ParticipantsNA-NA - NA
Week 104 (n=0,1,1,0)n=8 ParticipantsNA-NA - NA

Publications (1)

Bibliography

Records linked to this trial through ClinicalTrials.gov references, PubMed NCT search, and curated study seeds. 'Canonical' marks design/result papers; others are registry references or candidates.

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 21, 2026
Endpoint classificationDelfa ADRD endpoint taxonomy
Results tableClinicalTrials.gov results section

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.