Novel Augmentation of DAOIB and Antioxidant for Early Dementia

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age50-90
SponsorChang Gung Memorial Hospital

About this trial

Previous studies found that some NMDA-enhancing agents were able to improve cognitive function of patients with early-phase dementia. In addition, several drugs with antioxidant properties have been tested in clinical trials for the treatment of dementia too. Whether combined treatment of an NMDA-enhancing agent and a drug with antioxidant property can be better than an NMDA-enhancing agent alone deserves study.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Clinical diagnosis of Alzheimer's disease or mild cognitive impairment

MMSE between 10-26

CDR 1 or 0.5

Disqualifiers

Hachinski Ischemic Score > 4

Substance abuse/dependence

Parkinson disease, epilepsy, dementia with psychotic features

Major depressive disorder

Trial design

Design model

Parallel

Treatments tested in this trial

  • DAOIB plus AO

    Drug

    oral, for 24 weeks

  • DAOIB plus placebo

    Drug

    oral, for 24 weeks

Treatment groups

80 Participants
are divided into 2 treatment groups
Group A: ExperimentalExperimental treatment 1 intervention
Group B: Placebo ComparatorPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Change from baseline in the Alzheimer's disease assessment scale - cognitive subscale at week 8, 16 and 24

Alzheimer's disease assessment scale-cognitive subscale consists of 11 tasks. Its scores range from 0 (best) to 70 (worst).

Time frame
week 0, 8, 16, 24

Secondary outcomes

1

Change from baseline in Clinician's Interview-Based Impression of Change plus Caregiver Input score at week 8, 16 and 24

Clinician's Interview-Based Impression of Change plus Caregiver Input score is a global assessment of change based on a comprehensive, semi-structured interview which includes caregiver-supplied information. It is a 7-point rating scale ranging from 1-7, where 1 represents markedly improved; 4, no change; and 7, markedly worse.

Time frame
week 8, 16, 24
2

Change from baseline in Mini-Mental Status examination score at week 8, 16 and 24

Change from baseline in Mini-Mental Status examination score at week 8, 16 and 24

Time frame
week 0, 8, 16, 24
3

Change from baseline in Clinical Dementia Rating Scale Sum of Boxes (CDR-SB) score at week 8, 16 and 24

Clinical Dementia Rating Scale (CDR) is a global assessment tool that yields global and Sum of Boxes scores (SB). Compared to the global CDR score, the CDR-SB score provides better utility in tracking changes in dementia severity.

Time frame
week 0, 8, 16, 24
4

Change from baseline in Alzheimer's disease Cooperative Study scale for ADL in MCI (ADCS-MCI-ADL) score at week 8, 16 and 24

ADCS-MCI-ADL appears to be a suitable instrument for evaluating activities of daily living in mild cognitive impairment. Its scores range from 0 (worst) to 78 (best).

Time frame
week 0, 8, 16, 24

Other outcomes

Sponsors and contacts

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