Overview
Sponsor-declared trial summary
-Hereditary Transthyretin Amyloidosis with Polyneuropathy (ATTRv-PN) -Transthyretin Amyloidosis-Related Cardiomyopathy (ATTR-CM)
To evaluate the long-term safety of NTLA-2001 in previously treated participants
Key facts
- Sponsor
- Intellia Therapeutics Inc.
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
- Trial duration
- 6 May 2024 → ongoing
- Decision date (initial)
- 2024-10-18
- Transition trial
- Yes
- Low-intervention
- No
- Rare-disease indication
- Yes
- Vulnerable population
- Yes
- Funding sources
- Intellia Therapeutics, Inc.
External identifiers
- EU CT number
- 2023-507385-11-00
- EudraCT number
- 2022-003405-30
- WHO UTN
- U1111-1296-5487
- ClinicalTrials.gov
- NCT05697861
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Safety, Efficacy, Pharmacodynamic
To evaluate the long-term safety of NTLA-2001 in previously treated participants
Secondary objectives 1
- To evaluate long-term pharmacodynamic effects of NTLA-2001 in previously treated participants
Conditions and MedDRA coding
-Hereditary Transthyretin Amyloidosis with Polyneuropathy (ATTRv-PN) -Transthyretin Amyloidosis-Related Cardiomyopathy (ATTR-CM)
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | PT | 10019889 | Hereditary neuropathic amyloidosis | 100000004850 |
| 20.0 | PT | 10007509 | Cardiac amyloidosis | 100000004849 |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 5
- 1. A participant has completed or discontinued from an Intellia-sponsored clinical study in which a complete or partial dose of NTLA-2001 was received.
- 2. A participant has provided informed consent for the LTFU study.
- 3. A participant is willing to attend study visits, complete protocol-required follow-up schedule, and comply with the study requirements.
- 4. Male participants must agree to the following until 4 months after the last administration of study intervention in the parent study: a. Refrain from donating sperm. The time frame may be extended beyond 4 months if sperm donation is contraindicated based on country-specific guidelines. AND b. Use a male condom, in addition to the female partner using a highly effective contraceptive method with a failure rate of < 1% per year, when having sexual intercourse with a WOCBP (Section 10.3.1).
- 5. Female participants must agree to the following until 7 months after the last administration of study intervention in the parent study: a. Use a protocol-specified highly effective method of contraception, if a WOCBP. This is not required for female participants who are postmenopausal or surgically sterile, as defined in Section 10.3.1. AND b. Not undergo oocyte retrieval for in vitro fertilization for at least 7 months after the last administration of study intervention. The time frame may be extended beyond 7 months if oocyte retrieval is contraindicated based on country-specific guidelines.
Exclusion criteria 1
- None.
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- For ATTR-CM and ATTRv-PN participants, incidence of: • Treatment-related SAEs • Protocol-specified AESIs
Secondary endpoints 1
- PD biomarkers for ATTR over time: • Serum TTR • Serum prealbumin
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD8425756 · Product
- Active substance
- Ziclumeran
- Substance synonyms
- Messenger RNA encoding Cas9, mRNA000042
- Pharmaceutical form
- DISPERSION FOR INFUSION
- Route of administration
- INTRAVENOUS USE
- Max daily dose
- 1 mg/kg milligram(s)/kilogram
- Max total dose
- 1 mg/kg milligram(s)/kilogram
- Max treatment duration
- 1 Day(s)
- Authorisation status
- Not Authorised
- MA holder
- INTELLIA THERAPEUTICS INC
- Paediatric formulation
- No
- Orphan designation
- Yes
- Orphan designation number
- EU/3/21/2419
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Intellia Therapeutics Inc.
- Sponsor organisation
- Intellia Therapeutics Inc.
- Address
- 40 Erie Street
- City
- Cambridge
- Postcode
- 02139-4254
- Country
- United States
Scientific contact point
- Organisation
- Intellia Therapeutics Inc.
- Contact name
- Trial Manager at Intellia
Public contact point
- Organisation
- Intellia Therapeutics Inc.
- Contact name
- Trial Manager at Intellia
Third parties 2
| Organisation | City, country | Duties |
|---|---|---|
| Charles River Laboratories Montreal ULC ORG-100041009
|
Senneville, Canada | Laboratory analysis |
| Medpace Finland Oy ORG-100009147
|
Helsinki, Finland | On site monitoring, Code 12, Code 13, Laboratory analysis, Code 5 |
Locations
2 EU/EEA countries · 2 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| France | Ongoing, recruiting | 6 | 1 |
| Sweden | Ongoing, recruiting | 9 | 1 |
| Rest of world
New Zealand, United Kingdom
|
— | 63 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| France | 2025-01-28 | 2025-01-30 | |||
| Sweden | 2024-05-06 | 2024-05-06 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 24 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol_EN_2023-507385-11_Intellia_redacted | 5.0 |
| Protocol (for publication) | D4_Patient facing documents_Borg Scale_Intellia | N/A |
| Protocol (for publication) | D4_Patient facing documents_EQ-5D-5L_Intellia | N/A |
| Protocol (for publication) | D4_Patient facing documents_FR_French_ KCCQ_Intellia | NA |
| Protocol (for publication) | D4_Patient facing documents_FR_French_Borg Scale_Intellia | NA |
| Protocol (for publication) | D4_Patient facing documents_FR_French_EQ-5D-5L_Intellia | NA |
| Protocol (for publication) | D4_Patient facing documents_Intellia Therapeutics_redacted | NA |
| Protocol (for publication) | D4_Patient facing documents_KCCQ_Intellia | N/A |
| Recruitment arrangements (for publication) | 2023-507385-11_DOCUMENT_Recruitment and informed consent procedure | 1.0 |
| Recruitment arrangements (for publication) | 2023-507385-11_RECRUTEMENT_Participant Rollover FAQ | 4 |
| Recruitment arrangements (for publication) | K1_Recruitment arrangements_SE_Intellia | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment material_Handbook_Intellia | 4 |
| Recruitment arrangements (for publication) | K2_Recruitment material_RollOverFAQ_Intellia | 4 |
| Subject information and informed consent form (for publication) | 2023-507385-11_CARTE URGENCE PATIENT | 1.0 |
| Subject information and informed consent form (for publication) | 2023-507385-11_NIFC_Main | 2.0 |
| Subject information and informed consent form (for publication) | 2023-507385-11_NIFC_Partenaire Participante Enceinte | 1.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Main_Intellia | 4.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_PregnantPartner_Intellia | 2.0 |
| Subject information and informed consent form (for publication) | L2_Other subject information material_RetentionItems_Intellia | 1.0 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis Lay_FR_2023-507385-11-00_Intellia | 2.0 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis Technical_EN_2023-507385-11-00_Intellia | 5.0 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis Technical_FR_2023-507385-11-00_Intellia | 5.0 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis_Lay_EN_2023-507385-11-00_Intellia | 2.0 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis_Lay_SE_2023-507385-11-00_Intellia | 2.0 |
Application history
6 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2024-04-08 | Sweden | Acceptable 2024-04-16
|
2024-04-16 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2024-05-17 | Sweden | Acceptable 2024-07-01
|
2024-07-25 |
| 3 | SUBSEQUENT ADDITION OF MSC | APP-3 | 2024-08-09 | 2024-10-18 | ||
| 4 | SUBSTANTIAL MODIFICATION | SM-2 | 2025-01-14 | Sweden | Acceptable 2025-04-16
|
2025-04-17 |
| 5 | SUBSTANTIAL MODIFICATION | SM-3 | 2025-07-09 | Sweden | Acceptable 2025-08-25
|
2025-08-27 |
| 6 | SUBSTANTIAL MODIFICATION | SM-4 | 2025-09-02 | Sweden | Acceptable 2025-10-20
|
2025-10-20 |