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Clinical Trials List

Protocol NumberIPI-003
NCT Number(ClinicalTrials.gov Identfier)NCT03197740

2017-08-01 - 2020-04-30

Phase III

Terminated12

ICD-10G30.9

Alzheimer's disease, unspecified

ICD-10G30

Alzheimer's disease

ICD-9331.0

Alzheimer's disease

A multinational, multi-center, randomized, double-blind, active comparator, phase III clinical trial to evaluate the efficacy and safety of donepezil transdermal patch in patients with Alzheimer’s disease

  • Trial Applicant

    Clinipace Taiwan Co., Ltd

  • Sponsor

    ICURE PHARM. INC.

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/08/20

Investigators and Locations

Principal Investigator

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 張文能 Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator TA-FU CHEN Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator Ming-Chyi Pai Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Audit

None

Principal Investigator Chung-Hsiang Liu Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 王文甫 Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 吳明修 Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 孫瑜 Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator TING-BIN CHEN Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

14 Stop recruiting

Audit

None

Principal Investigator Chin-Chang Huang Division of Neurology
Linkou Chang Gung Medical Foundation

Taiwan National PI

黃錦章

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

2 Stop recruiting

Audit

None

Principal Investigator Yuan-Han Yang Division of Neurology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

18 Stop recruiting

Condition/Disease

mild to moderate Alzheimer's disease patient

Objectives

The objective of this study is to evaluate the efficacy and safety of donepezil transdermal patch in patients with mild to moderate Alzheimer’s disease. The primary objective is to demonstrate the non-inferiority of the test drug, IPI-301 (donepezil transdermal patch), to the comparator, Aricept tablet, after 24 weeks of treatment in patients with mild to moderate Alzheimer’s disease in terms of improvement in cognitive function as assessed by the Alzheimer’s Disease Assessment Scale – Cognitive (ADAS-cog) and in terms of global assessment as assessed by Clinician’s Interview Based Impression of Change plus Caregiver Input (CIBIC-plus).

Test Drug

Donepezil transdermal patch

Active Ingredient

Donepezil

Dosage Form

transdermal patch

Dosage

175.0 mg/50.0 cm2, 87.5 mg/25.0 cm2

Endpoints

1) Co-primary efficacy endpoints
① Change at Week 24 of treatment with the study drug from baseline (0d) in ADAS-cog
scores
② CIBIC-plus score at the end of treatment (Week 24)
2) Secondary efficacy endpoints
① Change at Week 12 of treatment with the study drug from baseline (0d) in ADAS-cog
scores
② Change at Week 24 of treatment with the study drug from screening (-2W) in MMSE
③ Change at Weeks 12 and 24 of treatment with the study drug from baseline (0d) in ADCSADL
④ Change at Week 24 of treatment with the study drug from baseline (0d) in NPI
A. Change in total score of intensity (frequency X severity)
B. Change in total score of pain intensity
⑤ Change at Weeks 12 and 24 of treatment with the study drug from screening (-2W) in
global CDR scores and CDR sum of Box scores
⑥ Medication convenience (10 point VAS) at the end of treatment (Week 24) (0 point:
completely dissatisfied, 10 points: completely satisfied) and patch adherence during
treatment (0 point: did not adhere most or all of the time, 10 points: adhered perfectly every
time)

Inclution Criteria

Inclusion criteria
1) Age of ≥50 to ≤85 as of the date of informed consent
2) Clinical diagnosis of probable Alzheimer’s disease according to Diagnostic and Statistical
Manual of Mental Disorders 4
th Edition (DSM-IV) and National Institute of Neurological
and Communicative Disorders and Strokes; Alzheimer’s disease and Related Disorders
Association (NINCDS-ADRDA)
3) Mini Mental Status Examination (MMSE) score ≥10 to ≤26 at screening
4) Global Clinical Dementia Rating (CDR) score 0.5, 1 or 2 at screening
5) Capable of performing procedures for cognitive and other tests
6) Subject who meets any of the following as of the date of informed consent
 No past treatment with donepezil (naïve patient)
 Ongoing treatment with donepezil 10mg/day for the past 3 months
 Ongoing treatment with donepezil 5mg/day for the past 3 months
7) The subject or his/her representative must voluntarily decide to participate in the study and
provide written informed consent.
8) The subject must have a reliable caregiver who regularly contacts the subject and is
available to accompany the subject for on-site visits. (Note: A caregiver is defined as
someone who has regular contact with the subject [i.e., an average of approximately 10 or
more hours per week], must be able to oversee subject’s compliance with the study
treatment and to report on the patient’s status and must be able to accompany the subject to
all study visits.)

Exclusion Criteria


1) Possible, probable, or definite vascular dementia according to National Institute of
Neurological Disorders and Stroke/Association Internationale pur la Recherche et
I’Enseignement en Neurosciences (NINDS-AIREN)
2) History and/or evidence (computed tomography [CT] or magnetic resonance
imaging [MRI] findings obtained within the past 12 months or at screening) of
other central nervous system (CNS) disorders (cerebrovascular disease, structural
or developmental anomaly, epilepsy, or communicable, degenerative, or
infectious/demyelinating CNS conditions) as a cause of dementia
Note: >3 lacunar infarcts over 10 mm each, or severe white matter disease
equaling a rating of 3 on the age-related white matter changes (ARWMC scale)
should be excluded in the study.
3) Illiteracy
4) Treatment with other anti-dementia drugs (galantamine, memantine, rivastigmine,
tacrine), except donepezil, within the past 3 months from the date of informed
consent
5) Treatment with any of the following drugs within the past 2 weeks from the date
of informed consent
- CNS stimulants: methylphenidate, modafinil, pemoline, atomoxetine
- Typical antipsychotics: bromperidol, chlorpromazine, haloperidol
- Anticholinergics: atropine, glycopyrrolate, scopolamine, homatropine,
ipratropium (short term [within 3 days] use of anticholinergics for the
purpose of antispasmodic action on the digestive system is permitted.)
6) Abnormal blood test findings as follows at the screening test:
- Aspartate aminotransferase (AST) and/or alanine aminotransferase (ALT)
≥2.5 x upper limit of normal
- A serum creatinine level of ≥1.5 × ULN for the reference laboratory, or a
calculated creatinine clearance by the Cockcroft-Gault equation of
≤50mL/min
7) Clinically significant abnormal vitamin B12, syphilis serology, or thyroid stimulating hormone (TSH) test findings considered to contribute to the severity
of dementia or to be attributable to dementia
Note:
(a) Clinically significant untreated B12 should be excluded in the study. Subjects
are eligible if B12 deficiency is stable after the treatment.
(b) If the subject has tested False positive for syphilis test, based on the
investigator's judgment, further test can be performed to get the final result.
(c) TSH >10mIU/L should be excluded in the study.
8) Diagnosis of serious mental disease based on DSM-5 criteria, including
depressive disorder,, schizophrenia, alcoholism, drug dependency, etc.
9) Parkinson’s disease or parkinsonian syndrome
10) Clinically significant electrocardiogram (ECG) abnormalities at screening (heart
rate <50 beats/min, atrial and ventricular conduction disorders such as 2nd degree
atrioventricular block, QTc interval >480ms)
11) History of unstable angina pectoris, myocardial infarction, transient ischemic
attack, or coronary intervention including coronary bypass within the past
6 months from the date of informed consent
12) History of severe traumatic head injury with loss of consciousness within the past
6 months from the date of informed consent
13) Asthma or obstructive pulmonary disease requiring medication
14) Gastrointestinal disorders that may affect the absorption, distribution, and
metabolism of the study drug (e.g., inflammatory bowel disease, gastric or
duodenal ulcer, hepatic disease)
15) Uncontrolled diabetes mellitus (defined as HbA1c>9.0%)
16) Administration of other investigational products within 3 months prior to
treatment with the investigational product (Day 0)
17) Hypersensitivity reactions to donepezil HCl, piperidine derivatives, or any of the
components of the study drug
18) Pregnant or lactating woman or woman of childbearing potential who does not
agree to use an effective method of contraception
19) Hereditary problems such as galactose intolerance, Lapp lactase deficiency, or
glucose-galactose malabsorption
20) Individual considered by the investigator to be ineligible for study participation
for other reasons, including having a condition that may affect the assessment of
study results

The Estimated Number of Participants

  • Taiwan

    125 participants

  • Global

    376 participants