Trial Outcomes & Findings for Proof-of-concept, Open-label Study in Patients With Early Alzheimer's Disease (NCT NCT05161715)

NCT ID: NCT05161715

Last Updated: 2025-01-29

Results Overview

Mean percent change from screening (V1) to end of treatment (V6) in ApoA-I in CSF

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

13 participants

Primary outcome timeframe

24 weeks

Results posted on

2025-01-29

Participant Flow

Participant milestones

Participant milestones
Measure
10mg Obicetrapib
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Overall Study
STARTED
13
Overall Study
COMPLETED
13
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
10mg Obicetrapib
n=13 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Age, Continuous
64.5 years
STANDARD_DEVIATION 6.2 • n=13 Participants
Sex: Female, Male
Female
12 Participants
n=13 Participants
Sex: Female, Male
Male
1 Participants
n=13 Participants

PRIMARY outcome

Timeframe: 24 weeks

Population: Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis.

Mean percent change from screening (V1) to end of treatment (V6) in ApoA-I in CSF

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=12 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Mean Percent Change in Apolipoprotein A-I (ApoA-I) in Cerebrospinal Fluid (CSF)
-8.4 percent change from screening visit
Standard Deviation 13.6

PRIMARY outcome

Timeframe: 24 weeks

Population: For the PD endpoints in plasma, analyses were conducted on all 13 patients.

Mean percent change in ApoA-I in plasma from baseline (V2) to week 24 (V6)

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=13 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Mean Percent Change in Apolipoprotein A-I (ApoA-I) in Plasma
37.5 percent change from baseline
Standard Deviation 25.2

PRIMARY outcome

Timeframe: 24 weeks

Population: Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis.

Mean percent change from screening (V1) to end of treatment (V6) in ApoE

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=12 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Mean Percent Change in Apolipoprotein-E (ApoE) in Cerebrospinal Fluid (CSF)
3.9 percent change from screening
Standard Deviation 10.3

PRIMARY outcome

Timeframe: 24 weeks

Population: For the PD endpoints in plasma, analyses were conducted on all 13 patients.

Mean percent change from baseline (V2) to week 24 (V6) in plasma in ApoE

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=13 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Mean Percent Change in Apolipoprotein-E (ApoE) in Plasma
47.8 percent change from baseline
Standard Deviation 46.9

PRIMARY outcome

Timeframe: baseline

Population: Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis.

Small high-density lipoprotein (s-HDL) particle concentration in cerebrospinal fluid (CSF) measured by Ion Mobility Assay (https://doi.org/10.1002/alz.12649)

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=12 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Small HDL (s-HDL) Particle Concentration in Cerebrospinal Fluid (CSF) at Baseline
0.542 average relative abundance
Standard Deviation 0.138

PRIMARY outcome

Timeframe: Week 24

Population: Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis.

Small high-density lipoprotein (s-HDL) particle concentration in CSF measured by Ion Mobility Assay (https://doi.org/10.1002/alz.12649)

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=12 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Small HDL (s-HDL) Particle Concentration in Cerebrospinal Fluid (CSF) at Week 24
0.542 average relative abundance
Standard Deviation 0.106

PRIMARY outcome

Timeframe: baseline

Population: Due to a non-optimal sample preparation procedure, a number of the samples allocated for the small HDL-C particle analysis were lost and therefore no samples were assessed for this measure.

Small high-density lipoprotein (s-HDL) particle concentration plasma measured by Ion Mobility Assay. For more information on the measurement used please refer to this article: https://doi.org/10.1002/alz.12649

Outcome measures

Outcome data not reported

PRIMARY outcome

Timeframe: Week 24

Population: Due to a non-optimal sample preparation procedure, a number of the samples allocated for the small HDL-C particle analysis were lost and therefore no samples were assessed for this measure.

Small high-density lipoprotein (s-HDL) particle concentration in plasma measured by Ion Mobility Assay at Week 24 For more information on the measurement used please refer to this article: https://doi.org/10.1002/alz.12649

Outcome measures

Outcome data not reported

PRIMARY outcome

Timeframe: 24 weeks

Population: Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis

Mean percent change in cholesterol efflux capacity in CSF from screening (V1) to week 24 (V6)

Outcome measures

Outcome measures
Measure
10mg Obicetrapib
n=12 Participants
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Mean Percent Change in Cholesterol Efflux Capacity in Cerebrospinal Fluid (CSF)
1.9 percent change from screening
Standard Deviation 24.1

Adverse Events

10mg Obicetrapib Tablets

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
10mg Obicetrapib Tablets
n=13 participants at risk
10mg obicetrapib (5mg tablets) administered orally daily for 24 weeks Obicetrapib: 10mg obicetrapib
Blood and lymphatic system disorders
Normocytic anemia
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Cardiac disorders
Angina pectoris
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Ear and labyrinth disorders
Benign paroxysmal positional vertigo
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Gastrointestinal disorders
Constipation
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Gastrointestinal disorders
Loose stools
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Gastrointestinal disorders
Obstipation
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Gastrointestinal disorders
Reflux esophagitis
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
General disorders
Unilateral leg swelling
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Infections and infestations
Covid-19
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Infections and infestations
Gastroenteritis
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Infections and infestations
Herpes zoster
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Infections and infestations
Laryngitis
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Infections and infestations
Upper respiratory tract infection
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Injury, poisoning and procedural complications
Fall
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Injury, poisoning and procedural complications
Lumbar puncture headache
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Injury, poisoning and procedural complications
Rib contusion
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Investigations
Weight loss
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Metabolism and nutrition disorders
Hyponatremia
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Musculoskeletal and connective tissue disorders
Hand arthritis
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Musculoskeletal and connective tissue disorders
Lateral epicondylitis
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Musculoskeletal and connective tissue disorders
Low back pain
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Musculoskeletal and connective tissue disorders
Lumbago
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Basal cell carcinoma face
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Nervous system disorders
Headache
15.4%
2/13 • Number of events 2 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Respiratory, thoracic and mediastinal disorders
Productive cough
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.
Skin and subcutaneous tissue disorders
Hair loss
7.7%
1/13 • Number of events 1 • From first dose of study drug through Week 24.5
Safety Population included all participants who received at least 1 dose of any study drug. Analysis of PD endpoints in CSF were conducted on 12 patients as the lumbar puncture for one patient was unsuccessful at End of Treatment (Day 168, Visit 6) and no CSF was available for analysis. For the PD endpoints in plasma, analyses were conducted on all 13 patients.

Additional Information

Study Director

NewAmsterdam Pharma

Phone: +1(305) 627-3081

Results disclosure agreements

  • Principal investigator is a sponsor employee After the multicenter publication or 12 months after completion of the study, whichever occurs first, Institution may publish the results of its study data. Institution and PI shall provide Sponsor with an advance copy of any proposed communications at least 30 days prior and Sponsor shall have 30 days to review. Sponsor may request (a) the deletion of any Confidential Information, (b) reasonable changes, or (c) a delay for an additional 60 day period.
  • Publication restrictions are in place

Restriction type: OTHER