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Memory and Antioxidants in Vascular Impairment Trial

NCT03306979 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2025-03-26

Study results available
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Summary

This is a 24-week randomized, double-blind, placebo-controlled parallel group design study involving Vascular cognitive impairment-no dementia (VCIND) patients to evaluate the efficacy and safety of oral NAC supplementation (2,400 mg daily) as an add-on therapy to improve cognitive function in patients undergoing cardiac rehabilitation (CR). The CR program consists of a harmonized aerobic and resistance training in a supervised group setting. Eligible patients will be randomized to receive NAC (four 600 mg capsules given as 2 capsules in the morning and 2 capsules in the evening) or matching placebo capsules. The initial NAC dosage will be 600mg/day (one 600mg capsule in the morning) for the first week, followed by 1,200 mg/day (one 600 mg capsule in the morning, one 600mg capsule in the evening) for the second week, followed by 1,800 mg/day (two 600mg capsules in the morning, one 600mg capsule in the evening) for third week, followed by 2,400mg/day (two 600mg capsules in the morning, two 600mg capsules in the evening) for the following 21 weeks.

Conditions

  • Vascular Cognitive Impairment no Dementia

Interventions

DRUG

N Acetylcysteine

Patients will be randomized to receive N Acetylcysteine (NAC) (four 600 mg capsules given as 2 capsules in the morning and 2 capsules in the evening). The initial NAC dosage will be 600mg/day (one 600mg capsule in the morning) for the first week, followed by 1,200 mg/day (one 600 mg capsule in the morning, one 600mg capsule in the evening) for the second week, followed by 1,800 mg/day (two 600mg capsules in the morning, one 600mg capsule in the evening) for third week, followed by 2,400mg/day (two 600mg capsules in the morning, two 600mg capsules in the evening) for the following 21 weeks.

OTHER

Placebo oral capsule

Patients will receive four placebo capsules (lactose-based filler) given as 2 capsules in the morning and 2 capsules in the evening, which will be prepared to mimic the weight of the experimental capsules.The initial placebo dosage will be 600mg/day (one 600mg capsule in the morning) for the first week, followed by 1,200 mg/day (one 600 mg capsule in the morning, one 600mg capsule in the evening) for the second week, followed by 1,800 mg/day (two 600mg capsules in the morning, one 600mg capsule in the evening) for third week, followed by 2,400mg/day (two 600mg capsules in the morning, two 600mg capsules in the evening) for the following 21 weeks.

Sponsors & Collaborators

  • Sunnybrook Health Sciences Centre

    lead OTHER

Principal Investigators

  • Krista L Lanctôt, PhD · Sunnybrook Research Institute

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
55 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-04-30
Primary Completion
2023-09-27
Completion
2023-09-27

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03306979 on ClinicalTrials.gov