A Phase 2 Study of an Anti-MTBR Tau Monoclonal Antibody in Participants with Early Alzheimer’s Disease

2023-504840-32-00 Protocol CN008-0003 Therapeutic exploratory (Phase II) Ongoing, recruitment ended

Start 8 Nov 2024 · Status Ongoing, recruitment ended · 3 EU/EEA countries · 12 sites · Protocol CN008-0003

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Ongoing, recruitment ended
Participants planned 433
Countries 3
Sites 12

Early Alzheimer’s Disease

To assess the effects of BMS-986446 vs placebo on brain tau deposition in Participants (age: 50 to 80) with early AD

Key facts

Sponsor
Bristol-Myers Squibb Services Unlimited Company
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Nervous System Diseases [C10]
Trial duration
8 Nov 2024 → ongoing
Decision date (initial)
2024-09-02
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No
Funding sources
Bristol-Myers Squibb Services Unlimited Company

External identifiers

EU CT number
2023-504840-32-00
WHO UTN
U1111-1290-3539
ClinicalTrials.gov
NCT06268886

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Others, Efficacy

To assess the effects of BMS-986446 vs placebo on brain tau deposition in Participants (age: 50 to 80) with early AD

Secondary objectives 4

  1. To determine the superiority of BMS-986446 vs placebo on delay of clinical decline in Participants (age: 50-80) with early AD
  2. To assess the effects of BMS-986446 vs placebo on delay of cognitive and functional decline in Participants (age: 50 to 80) with early AD
  3. To assess the effects of BMS-986446 vs placebo on delay of cognitive decline in Participants (age:50 to 80) with early AD
  4. To assess the effects of BMS-986446 vs placebo on delay of functional decline in Participants (age:50 to 80) with early AD

Conditions and MedDRA coding

Early Alzheimer’s Disease

VersionLevelCodeTermSystem organ class
24.1 LLT 10086384 Early onset Alzheimer´s disease 100000004848

Regulatory references

Scientific advice from competent authorities
European Medicines Agency
Plan to share IPD
Yes
IPD plan description
BMS will provide access to individual anonymized participant data upon request from qualified researchers, and subject to certain criteria. Additional information regarding Bristol Myer Squibb's data sharing policy and process can be found at: https://www.bms.com/researchers-and-partners/clinical-trials-and-research/disclosure-commitment.html

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 5

  1. Mild cognitive impairment (MCI) due to Alzheimer's disease (AD) or mild AD dementia consistent with the National Institute on Aging and the Alzheimer's Association (NIA-AA) core clinical criteria.
  2. Global Clinical Dementia Rating (CDR) score of 0.5 to 1.0 and a CDR-Memory Box score of 0.5 and greater at screening and Baseline.
  3. Evidence of AD pathology.
  4. Objective impairment in episodic memory as indicated by at least 1 standard deviation below age-adjusted mean in the Wechsler Memory Scale IV-Logical Memory Subtest II (WMS-IV LM II).
  5. Mini Mental Status Examination (MMSE) score ≥ 20 to 28 (inclusive).

Exclusion criteria 6

  1. Any evidence of a condition that may affect cognition other than AD.
  2. Contraindications to PET imaging.
  3. Inability to tolerate or contraindication to magnetic resonance imaging.
  4. Any serious medical condition that could, in the opinion of the investigator, affect the participant's safety or interfere with study assessments.
  5. Geriatric Depression Scale (GDS) score greater than or equal to 8 at screening.
  6. Other protocol-defined Inclusion/Exclusion criteria apply.

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Change from baseline at Week 76 in brain tau deposition, as measured by tau positron emission tomography (PET)

Secondary endpoints 5

  1. Change from baseline at Week 76 in Clinical Dementia Rating Scale Sum of Boxes (CDR-SB) score
  2. Change from baseline at Week 76 in integrated Alzheimer’s Disease Rating Scale (iADRS) score
  3. Change from baseline at Week 76 in Alzheimer’s Disease Assessment Scale-Cognitive subscale (ADAS- Cog14) score
  4. Change from baseline at Week 76 in Mini Mental State Examination (MMSE) score
  5. Change from baseline at Week 76 in Alzheimer’s Disease Cooperative Study-instrumental Activities of Daily Living scale (ADCS-iADL) score

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

PRX005

PRD11249487 · Product

Active substance
PRX005
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRAVENOUS
Max daily dose
9999 mg/ml milligram(s)/millilitre
Max total dose
9999 mg/ml milligram(s)/millilitre
Max treatment duration
9999 Week(s)
Authorisation status
Not Authorised
MA holder
BRISTOL-MYERS SQUIBB INTERNATIONAL CORPORATION
Paediatric formulation
No
Orphan designation
No

Placebo 1

Sodium Chloride

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No

Auxiliary 1

Florquinitau F-18

PRD11254720 · Product

Active substance
Florquinitau (18F)
Substance synonyms
Florquinitau F18, [18F] MK-6240
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRAVENOUS
Max daily dose
9999 mg/l milligram(s)/litre
Max total dose
9999 mmol/g millimole(s)/gram
Max treatment duration
9999 Week(s)
Authorisation status
Not Authorised
MA holder
CERVEAU TECHNOLOGIES INC., A WHOLLY OWNED SUBSIDIARY OF LANTHEUS MEDICAL IMAGING, INC.
Paediatric formulation
No
Orphan designation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Bristol-Myers Squibb Services Unlimited Company

Sponsor organisation
Bristol-Myers Squibb Services Unlimited Company
Address
Plaza 254 Blanchardstown Corporate Park 2, Ballycoolin Ballycoolin
City
Dublin 15
Postcode
D15 T867
Country
Ireland

Scientific contact point

Organisation
Bristol-Myers Squibb Services Unlimited Company
Contact name
GSM-CT

Public contact point

Organisation
Bristol-Myers Squibb Services Unlimited Company
Contact name
GSM-CT

Third parties 10

OrganisationCity, countryDuties
Labcorp Central Laboratory Services SARL
ORG-100011524
Meyrin, Switzerland Other
Clario
ORL-000001208
Princeton, United States Other
Medidata Solutions Inc.
ORG-100016256
New York, United States Data management
Accenture Services Pvt. Ltd.
ORL-000000127
Bengaluru, India Other
Signant Health Global LLC
ORG-100040604
Blue Bell, United States Other
C2n Diagnostics LLC
ORG-100049457
Saint Louis, United States Other
Labcorp Central Laboratory Services LP
ORG-100032236
Indianapolis, United States Other
Labcorp Central Laboratory Services LP
ORG-100032236
Indianapolis, United States Other
Yprime LLC
ORG-100042888
Malvern, United States Other
Fortrea Inc.
ORG-100012602
Durham, United States On site monitoring, Code 12, Code 2, Code 8, Code 9

Locations

3 EU/EEA countries · 12 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ongoing, recruitment ended 16 5
Spain Ongoing, recruitment ended 21 6
Sweden Ongoing, recruitment ended 5 1
Rest of world
Japan, United States, Singapore, United Kingdom, Canada, Korea, Republic of, Australia
391

Investigational sites

Belgium

5 sites · Ongoing, recruitment ended
Hopital Erasme
Neurology, Lennikse Baan 808, 1070, Anderlecht
UZ Leuven
Neurology, Herestraat 49, 3000, Leuven
Antwerp University Hospital
Neurology, Drie Eikenstraat 655, 2650, Edegem
Cliniques Universitaires Saint-Luc
Neurology, Hippokrateslaan 10, Batiment 54, Sint-Lambrechts-Woluwe
Algemeen Ziekenhuis Groeninge
Neurology, President Kennedylaan 4, 8500, Kortrijk

Spain

6 sites · Ongoing, recruitment ended
Hospital Del Mar
Neurology, Passeig Maritim De La Barceloneta 25-29, 08003, Barcelona
Hospital De La Santa Creu I Sant Pau
Neurology, Calle De San Antonio Maria Claret 167, 08025, Barcelona
Hospital Universitari Vall D Hebron
Neurology, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Hospital Universitari General De Catalunya
Neurology, Carrer Pedro I Pons 1, 08195, Sant Cugat Del Valles
Hospital Clinic De Barcelona
Neurology, Calle Villarroel 170, 08036, Barcelona
Hospital Universitari De Santa Maria
Neurology, Av Alcalde Rovira Roure 44, 25198, Lleida

Sweden

1 site · Ongoing, recruitment ended
Region Skane Skanes Universitetssjukhus
Minnesmottagningen, St. Johns, Fritz Bauers Gata 5, Malmo

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2024-11-12 2024-12-03 2025-03-28
Spain 2024-11-08 2024-11-15 2025-03-28
Sweden 2024-11-25 2025-01-09 2025-03-28

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 132 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol 2023-504840-32-00 redacted PA03
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Protocol (for publication) D4_Patient facing documents_questionnaire_redacted placeholder_SE_SWE NA
Recruitment arrangements (for publication) K1_Recruitment and Informed Consent Procedure ENG 2.0
Recruitment arrangements (for publication) K1_Recruitment Arrangements 3.0
Recruitment arrangements (for publication) K1_Recruitment arrangements 2.0
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Recruitment arrangements (for publication) K2_Recruitment material Consent Discussion Aid DUT 1.1
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Recruitment arrangements (for publication) K2_Recruitment material Consent Discussion Aid_Redacted 1.1
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Recruitment arrangements (for publication) K2_Recruitment material Patient Brochure DUT 1.0
Recruitment arrangements (for publication) K2_Recruitment material Patient Brochure ENG 1.0
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Recruitment arrangements (for publication) K2_Recruitment material Patient Brochure_Redacted 1.1
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Recruitment arrangements (for publication) K2_Recruitment material_Consent Discussion Aid_Redacted 1.0
Recruitment arrangements (for publication) K2_Recruitment material_Online Outreach Text 1.0
Recruitment arrangements (for publication) K2_Recruitment material_Patient Brochure_Redacted 1.0
Recruitment arrangements (for publication) K2_Recruitment material_Patient Flyer 1.0
Recruitment arrangements (for publication) K2_Recruitment material_Study Partner Brochure 1.0
Subject information and informed consent form (for publication) L1_SIS and ICF Future Research_Redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Main_DUT_redacted 5.0
Subject information and informed consent form (for publication) L1_SIS and ICF Main_ENG_redacted 5.0
Subject information and informed consent form (for publication) L1_SIS and ICF Main_FRE_redacted 5.0
Subject information and informed consent form (for publication) L1_SIS and ICF Main_Redacted 4.0
Subject information and informed consent form (for publication) L1_SIS and ICF Main_Redacted 6.0
Subject information and informed consent form (for publication) L1_SIS and ICF Optional Future Research_Redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Optional Substudy_Redacted 2.0
Subject information and informed consent form (for publication) L1_SIS and ICF Pregnant Participant_DUT_redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Pregnant Participant_ENG_redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Pregnant Participant_FRE_redacted 3.0
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Subject information and informed consent form (for publication) L1_SIS and ICF Pregnant Participant_Redacted 1.0
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Subject information and informed consent form (for publication) L1_SIS and ICF Study Partner_ENG_redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Study Partner_FRE_redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Study Partner_Redacted 3.0
Subject information and informed consent form (for publication) L1_SIS and ICF Study Partner_Redacted 4.0
Subject information and informed consent form (for publication) L1_SIS and ICF Sub Study_Redacted 1.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_BE_DE_2023-504840-32-00 3.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_BE_DU_2023-504840-32-00 3.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_BE_FR_2023-504840-32-00 3.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_EN_2023-504840-32-00 3.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_ES_2023-504840-32-00 3.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_FR_2023-504840-32-00 1.0
Synopsis of the protocol (for publication) D1_Protocol Synopsis_NL_2023-504840-32-00 1.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_PL_2023-504840-32-00 1.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_SE_2023-504840-32-00 3.0

Application history

6 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-05-08 Sweden Acceptable
2024-09-02
2024-09-02
2 SUBSTANTIAL MODIFICATION SM-1 2024-10-18 Sweden Acceptable
2024-12-02
2024-12-03
3 NON SUBSTANTIAL MODIFICATION NSM-1 2024-12-18 Sweden Acceptable
2024-12-02
2024-12-18
4 SUBSTANTIAL MODIFICATION SM-2 2025-04-25 Sweden Acceptable
2025-06-09
2025-06-12
5 SUBSTANTIAL MODIFICATION SM-3 2025-08-22 Sweden Acceptable
2025-10-06
2025-10-06
6 SUBSTANTIAL MODIFICATION SM-4 2025-12-18 Sweden Acceptable
2026-03-10
2026-03-10