MedPath

Study Evaluating Intepirdine (RVT-101) in Subjects With Mild to Moderate Alzheimer's Disease on Donepezil: MINDSET Study

Phase 3
Completed
Conditions
Alzheimer's Disease
Interventions
Drug: Placebo
Registration Number
NCT02585934
Lead Sponsor
Axovant Sciences Ltd.
Brief Summary

This study seeks to confirm a demonstrated treatment effect of intepirdine (RVT-101) as an adjunctive therapy to donepezil for the treatment of subjects with Alzheimer's disease.

Detailed Description

This Phase 3 study seeks to confirm a demonstrated treatment effect of intepirdine (RVT-101) on both cognition and activities of daily living when added to stable donepezil treatment in subjects with mild-to-moderate Alzheimer's disease after 24 weeks of double-blind treatment. This study will also provide further information on the safety and tolerability of the 35-mg dose of intepirdine (RVT-101) when used in combination with donepezil compared to donepezil alone. This study is being conducted under the agreement of a Special Protocol Assessment by FDA. Subjects completing this study will be eligible to enroll in a 12 month open-label study of RVT-101 (RVT-101-3002) in which concomitant medications for the treatment of Alzheimer's disease including memantine will be allowed.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
1315
Inclusion Criteria
  • Male or female subject with AD
  • Ongoing donepezil therapy for AD
  • An MMSE score 12 to 24 inclusive at Screening; MMSE score 10-26 inclusive at Baseline
  • Hachinski Ischaemia score less than or equal to 4 at Screening.
  • If female, subject must be: a. of non-childbearing potential or surgically sterile; or, b. willing to use an adequate methods of birth control. Male subjects who are sexually active will also be required to use an adequate form of birth control.
  • Subject has the ability to comply with procedures for cognitive and other testing in the opinion of the investigator.
  • Subject has a reliable caregiver who is willing to report on subject's status throughout the study.
Exclusion Criteria

Other Causes for Dementia

  • Diagnosis of vascular dementia
  • Atypical clinical features or clinical course of dementia that would lead the investigator to conclude symptoms are more likely due to an alternate dementia diagnosis including, but not limited to, frontotemporal dementia, Lewy body dementia, or others.

Confounding Medical Conditions

  • History of significant psychiatric illness such as schizophrenia or bipolar affective disorder or any other significant psychiatric illness that in the opinion of the investigator would interfere with participation in the study;
  • Any clinically relevant concomitant disease, which, in the opinion of the investigator, makes the subject unsuitable for inclusion in the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
RVT-101RVT-101RVT-101 adjunct to 5 mg or 10 mg donepezil
PlaceboPlaceboPlacebo adjunct to 5 mg or 10 mg donepezil
Primary Outcome Measures
NameTimeMethod
Alzheimer's Disease Assessment Scale - Cognitive Subscale 11 Items (ADAS-Cog-11) Score Change From Baseline to Week 24Baseline, 24 weeks

The 11-item ADAS-Cog assesses a range of cognitive abilities including memory, comprehension, orientation in time and place, and spontaneous speech. The ADAS-Cog-11 total score range is from 0 to 70, with a higher score indicating more severe cognitive impairment.

Alzheimer's Disease Cooperative Study - Activities of Daily Living (ADCS-ADL) Score Change From Baseline to Week 24Baseline, 24 weeks

The ADCS-ADL scale measures functional impairment in terms of activities of daily living. The score ranges from 0 to 78. The lower the score, the greater the impairment; higher scores indicate better (more desirable) function

Secondary Outcome Measures
NameTimeMethod
Clinical Global Impression of Change - Plus Caregiver Interview (CIBIC+) Score at Week 2424 weeks

The CIBIC+ assessment measures the global functioning of the subject. The CIBIC+ is scored as a seven-point categorical rating, ranging from a score of 1 (indicating "very much improved"), to a score of 4 (indicating "no change"), or to a score of 7 (indicating "very much worse.") Lower CIBIC+ scores indicate better (more desirable) function

The Dependence Scale (DS) Score Change From Baseline to Week 24Baseline, 24 weeks

The DS measures the amount of assistance patients with dementia require in performing daily activities. The scale consists of 13 items, representing a range of severity from mild to severe levels of dependency. The score range is from 0 to 15 with higher scores indicating greater dependency.

Neuropsychiatric Inventory (NPI) Score Change From Baseline to Week 24Baseline and Week 24

The NPI is a behavior rating scale composed of a 12-item structured interview of the caregiver that is scored from 0 to 144 (the higher the score, the greater the psychiatric disturbance). It assesses 12 behavioral disturbances occurring in dementia patients: delusions, hallucinations, agitation, dysphoria, anxiety, apathy, irritability, euphoria, disinhibition, aberrant motor activity, night-time behavior disturbances, and eating disturbances. Both the frequency and the severity of each behavior are determined.

ADAS-Cog-13 Score Change From Baseline to Week 24Baseline, 24 weeks

13-item ADAS-Cog assesses a range of cognitive abilities including memory, comprehension, orientation in time and place, and spontaneous speech. Most items are evaluated by tests, but some are dependent on clinician ratings on a 5-point scale. The ADAS-Cog-13 is the ADAS-Cog-11 with 2 additional items: delayed word recall and total digit cancellation. Scores for the ADAS-Cog-13 range from 0 to 85 with higher scores indicating greater dysfunction.

Measurement of Concentrations of RVT-101 (Intepirdine) in PlasmaWeek 6, Week 12, Week 18, Week 24

Measurement collected at timepoints Week 6, Week 12, Week 18, and Week 24

Trial Locations

Locations (197)

US046

🇺🇸

Atlanta, Georgia, United States

US117

🇺🇸

Fullerton, California, United States

US094

🇺🇸

Las Vegas, Nevada, United States

US008

🇺🇸

Cincinnati, Ohio, United States

US115

🇺🇸

Houston, Texas, United States

PO023

🇵🇱

Krakow, Poland

PO014

🇵🇱

Szczecin, Poland

SE090

🇷🇸

Belgrade, Serbia

CA120

🇨🇦

Kamloops, British Columbia, Canada

SL077

🇸🇰

Svidnik, Slovakia

CH075

🇨🇱

Santiago, Región Metropolitana, Chile

US119

🇺🇸

Shaker Heights, Ohio, United States

US187

🇺🇸

Philadelphia, Pennsylvania, United States

US116

🇺🇸

Newton, Massachusetts, United States

US142

🇺🇸

New York, New York, United States

US044

🇺🇸

New York, New York, United States

US113

🇺🇸

Beachwood, Ohio, United States

US185

🇺🇸

Charlotte, North Carolina, United States

US162

🇺🇸

Plains, Pennsylvania, United States

US170

🇺🇸

Spokane, Washington, United States

US143

🇺🇸

Orem, Utah, United States

AR040

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR219

🇦🇷

Mendoza, Argentina

AR137

🇦🇷

Cordoba, Argentina

AR051

🇦🇷

Cordoba, Argentina

AU227

🇦🇺

Caulfield, Australia

AU079

🇦🇺

Chermside, Australia

AU062

🇦🇺

Herston, Australia

BU125

🇧🇬

Ruse, Bulgaria

CA188

🇨🇦

Kelowna, British Columbia, Canada

CA186

🇨🇦

Penticton, British Columbia, Canada

BU073

🇧🇬

Varna, Bulgaria

CA151

🇨🇦

Medicine Hat, Alberta, Canada

CA196

🇨🇦

North York, Ontario, Canada

CA147

🇨🇦

Newmarket, Ontario, Canada

CA141

🇨🇦

West Vancouver, British Columbia, Canada

CA237

🇨🇦

Toronto, Ontario, Canada

CH212

🇨🇱

Antofagasta, II Región, Chile

CH076

🇨🇱

Santiago, Region Metropolitana, Chile

CH061

🇨🇱

Santiago, Región Metropolitana, Chile

CR070

🇭🇷

Zagreb, Croatia

CA236

🇨🇦

Gatineau, Quebec, Canada

CR069

🇭🇷

Zagreb, Croatia

CR083

🇭🇷

Zagreb, Croatia

CR122

🇭🇷

Zagreb, Croatia

CZ128

🇨🇿

Praha 10, Czechia

CZ207

🇨🇿

Praha 10, Czechia

FR182

🇫🇷

Marseille Cedex 5, France

CR068

🇭🇷

Zagreb, Croatia

CZ132

🇨🇿

Praha 2, Czechia

CZ129

🇨🇿

Praha 6, Czechia

FR221

🇫🇷

Paris Cedex, France

FR202

🇫🇷

Villeurbanne, France

FR231

🇫🇷

Lille Cedex, France

GE139

🇩🇪

Berlin, Germany

GE252

🇩🇪

Ellwangen, Germany

GE091

🇩🇪

Berlin, Germany

GE206

🇩🇪

Bad Homburg, Germany

GE230

🇩🇪

Cologne, Germany

GE180

🇩🇪

Leipzig, Germany

GE228

🇩🇪

Mannheim, Germany

GE098

🇩🇪

Ulm, Germany

GE017

🇩🇪

Munchen, Germany

GE157

🇩🇪

Nürnberg, Germany

GE251

🇩🇪

Westerstede, Germany

IT053

🇮🇹

Brescia, Italy

IT029

🇮🇹

Roma, Italy

IT124

🇮🇹

Cefalù, Italy

IT030

🇮🇹

Pavia, Italy

IT072

🇮🇹

Roma, Italy

IT175

🇮🇹

Rome, Italy

SK067

🇰🇷

Seoul, Korea, Republic of

PO024

🇵🇱

Bydgoszcz, Poland

PO010

🇵🇱

Bydgoszcz, Poland

SK190

🇰🇷

Seoul, Korea, Republic of

IT085

🇮🇹

Torino, Italy

PO092

🇵🇱

Katowice, Poland

PO025

🇵🇱

Krakow, Poland

PO107

🇵🇱

Katowice, Poland

PO009

🇵🇱

Poznan, Poland

PO074

🇵🇱

Warszawa, Poland

SE164

🇷🇸

Belgrade, Serbia

SE031

🇷🇸

Novi Knezevac, Serbia

SE193

🇷🇸

Belgrade, Serbia

SE165

🇷🇸

Vrsac, Serbia

SI052

🇸🇬

Singapore, Singapore

SL200

🇸🇰

Dubnica nad Váhom, Slovakia

SI026

🇸🇬

Singapore, Singapore

SL056

🇸🇰

Banska Bystrica, Slovakia

SL192

🇸🇰

Bratislava, Slovakia

SP022

🇪🇸

Barcelona, Spain

SP249

🇪🇸

Alicante, Spain

SP194

🇪🇸

Donostia, Spain

SL078

🇸🇰

Krompachy, Slovakia

SP021

🇪🇸

Barcelona, Spain

SP176

🇪🇸

Barcelona, Spain

SP093

🇪🇸

Madrid, Spain

SP019

🇪🇸

Ceuta, Spain

SP020

🇪🇸

Terrassa, Spain

SP250

🇪🇸

Barcelona, Spain

SP018

🇪🇸

Madrid, Spain

SP222

🇪🇸

Getxo, Spain

SP184

🇪🇸

Sant Cugat del Vallès, Spain

TA065

🇨🇳

Kaohsiung, Taiwan

TA086

🇨🇳

Taipei, Taiwan

TA121

🇨🇳

Taoyuan, Taiwan

UK211

🇬🇧

Epping, United Kingdom

UK063

🇬🇧

Bath, United Kingdom

UK038

🇬🇧

Blackpool, United Kingdom

UK233

🇬🇧

Cambridge, United Kingdom

UK033

🇬🇧

Cannock, United Kingdom

UK055

🇬🇧

Leeds, United Kingdom

UK034

🇬🇧

Manchester, United Kingdom

UK039

🇬🇧

London, United Kingdom

UK234

🇬🇧

Guildford, United Kingdom

UK100

🇬🇧

Sheffield, United Kingdom

UK154

🇬🇧

Warrington, United Kingdom

UK229

🇬🇧

Norwich, United Kingdom

UK087

🇬🇧

Oxford, United Kingdom

UK064

🇬🇧

Southampton, United Kingdom

UK153

🇬🇧

Swindon, United Kingdom

UK152

🇬🇧

Southampton, United Kingdom

UK235

🇬🇧

Plymouth, United Kingdom

SK066

🇰🇷

Busan, Korea, Republic of

US168

🇺🇸

Encino, California, United States

US220

🇺🇸

Tucson, Arizona, United States

US214

🇺🇸

Los Angeles, California, United States

US096

🇺🇸

Rancho Mirage, California, United States

US016

🇺🇸

Simi Valley, California, United States

US0195

🇺🇸

Santa Ana, California, United States

US106

🇺🇸

Temecula, California, United States

US179

🇺🇸

Hamden, Connecticut, United States

US171

🇺🇸

Norwich, Connecticut, United States

US088

🇺🇸

Atlantis, Florida, United States

US007

🇺🇸

Brooksville, Florida, United States

US216

🇺🇸

Miami, Florida, United States

US002

🇺🇸

Hallandale Beach, Florida, United States

US140

🇺🇸

Hialeah, Florida, United States

US172

🇺🇸

North Palm Beach, Florida, United States

US110

🇺🇸

Miami, Florida, United States

US256

🇺🇸

Pensacola, Florida, United States

US048

🇺🇸

Atlanta, Georgia, United States

US004

🇺🇸

The Villages, Florida, United States

US217

🇺🇸

Columbus, Georgia, United States

US095

🇺🇸

Shreveport, Louisiana, United States

US111

🇺🇸

Baton Rouge, Louisiana, United States

US174

🇺🇸

Quincy, Massachusetts, United States

US144

🇺🇸

Hattiesburg, Mississippi, United States

US057

🇺🇸

Manchester, New Jersey, United States

US197

🇺🇸

Lawrenceville, New Jersey, United States

US135

🇺🇸

Berlin, New Jersey, United States

US215

🇺🇸

Mount Arlington, New Jersey, United States

US209

🇺🇸

Toms River, New Jersey, United States

US001

🇺🇸

Albany, New York, United States

US049

🇺🇸

Brooklyn, New York, United States

US036

🇺🇸

West Long Branch, New Jersey, United States

US097

🇺🇸

New Hyde Park, New York, United States

US177

🇺🇸

New Windsor, New York, United States

US136

🇺🇸

Cincinnati, Ohio, United States

US169

🇺🇸

Media, Pennsylvania, United States

US148

🇺🇸

Willow Grove, Pennsylvania, United States

US149

🇺🇸

Charlottesville, Virginia, United States

AR041

🇦🇷

La Plata, Buenos Aires, Argentina

AR130

🇦🇷

La Plata, Buenos Aires, Argentina

AR101

🇦🇷

Buenos Aires, Argentina

AR060

🇦🇷

Buenos Aires, Argentina

AR084

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR027

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR160

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR012

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR081

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR028

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR035

🇦🇷

Ciudad Autónoma de Buenos Aire, Argentina

AR210

🇦🇷

Mendoza, Argentina

AR059

🇦🇷

Santiago del Estero, Argentina

AU032

🇦🇺

Heidelberg West, Australia

AU011

🇦🇺

Hornsby, Australia

AU138

🇦🇺

West Perth, Australia

BU131

🇧🇬

Sofia, Bulgaria

BU198

🇧🇬

Sofia, Bulgaria

CA054

🇨🇦

Kelowna, British Columbia, Canada

CZ161

🇨🇿

Rychnov nad Kneznou, Czechia

GE071

🇩🇪

Berlin, Germany

SE166

🇷🇸

Belgrade, Serbia

IT103

🇮🇹

Perugia, Italy

IT183

🇮🇹

Roma, Italy

PO013

🇵🇱

Bialystok, Poland

SE155

🇷🇸

Kragujevac, Serbia

SL191

🇸🇰

Kosice, Slovakia

US189

🇺🇸

Pasadena, California, United States

US037

🇺🇸

Tampa, Florida, United States

US042

🇺🇸

Tampa, Florida, United States

US112

🇺🇸

Phoenix, Arizona, United States

US003

🇺🇸

Orlando, Florida, United States

US150

🇺🇸

Chapel Hill, North Carolina, United States

US134

🇺🇸

Portland, Oregon, United States

US043

🇺🇸

San Antonio, Texas, United States

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