ISRCTN ISRCTN96627183
DOI https://doi.org/10.1186/ISRCTN96627183
ClinicalTrials.gov (NCT) Nil known
Clinical Trials Information System (CTIS) Nil known
Protocol serial number CLD219
Sponsor EndoStream Medical Ltd
Funder EndoStream Medical Ltd
Submission date
14/01/2020
Registration date
16/01/2020
Last edited
04/06/2024
Recruitment status
No longer recruiting
Overall study status
Ongoing
Condition category
Circulatory System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
The study aims to evaluate the safety and effectiveness of a new device to treat brain aneurysms.

Who can participate?
Patients with intracranial aneurysm

What does the study involve?
The study involves treatment with a minimally invasive device and a follow-up visit

What are the possible benefits and risks of participating?
Potential benefits include aneurysm healing. Like in any surgical intervention, there are possible procedure-related risks. A complete list is presented to subjects before enrollment.

Where is the study run from?
The General Hospital of Fortaleza (Brazil)

When is the study starting and how long is it expected to run for?
January 2020 to December 2025

Who is funding the study?
EndoStream Medical Ltd

Who is the main contact?
Danel Mayer, CEO
danel@endostream.com

Contact information

Mr Danel Mayer
Public

12 HaÍlan St
PO Box 265
Or Akiva
3065201
Israel

Phone +972 (0)4 842 4810
Email danel@endostream.com

Study information

Primary study designInterventional
Study designInterventional single-arm study
Secondary study designNon randomised study
Scientific titleNautilus endovascular device for wide neck cerebral aneurysm embolization study
Study acronymNEW
Study objectivesSafety and effectiveness of the investigational device.
Ethics approval(s)

Approved 16/11/2019, Hospital Geral de Fortaleza/SUS (Government Unified Health System) (Rua Avila Goulart, nº 900, Fortaleza, 60.155-290, Brazil; +55 (85) 3101-7078; cephgf.ce@gmail.com), ref: 3.708.271

Ethics approval additional informationApproved 16/ 11/2019, Hospital Geral de Fortaleza Ethics Committee (Comitê de Ética do Hospital Geral de Fortaleza,
Rua Avila Goulart, nº 900 - Fortaleza - CE - Brazil, 60.155-290; Tel: +55 (85)3101-7078; Email: cephgf.ce@gmail.com), approval number: 3.708.271, EC ID number: 23797919.1.0000.5040
Health condition(s) or problem(s) studiedCerebral aneurysm
InterventionPatients will undergo a single intervention with the Nautilus Endovascular Device followed by treatment follow up at 6 months.
Intervention typeDevice
PhaseNot Applicable
Drug / device / biological / vaccine name(s)Nautilus Endovascular Device
Primary outcome measure(s)

Death or stroke in treated vascular territory measured using the NIH stroke scale at intervention and at 6 months follow-up

Key secondary outcome measure(s)

Rate of stable, successful aneurysm occlusion measured using the Raymond Roy Occlusion Classification at intervention and at 6 months follow-up

Completion date01/12/2025

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Target sample size at registration50
Key inclusion criteriaPatients who present with intracranial aneurysm
Key exclusion criteriaUnstable neurological deficit
Date of first enrolment01/09/2022
Date of final enrolment30/06/2025

Locations

Countries of recruitment

  • Brazil
  • Israel

Study participating centre

Hospital Geral de Fortaleza
R. Ávila Goularte, 900 - Papicu
Fortaleza
60150-160
Brazil

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot expected to be made available
IPD sharing planThe data will be held by the Principal Investigator of the study until the product becomes commercially available.

Editorial Notes

04/06/2024: The following changes were made to the study record:
1. The recruitment end date was changed from 30/06/2024 to 30/06/2025.
2. The overall study end date was changed from 01/12/2024 to 01/12/2025.
3. The intention to publish date was changed from 01/12/2025 to 01/12/2026.
04/01/2024: The recruitment end date was changed from 09/01/2024 to 30/06/2024.
07/12/2023: The recruitment end date was changed from 01/09/2024 to 09/01/2024.
06/11/2023: Internal review.
08/06/2022: The following changes were made to the trial record:
1. The recruitment start date was changed from 01/03/2020 to 01/09/2022.
2. The recruitment end date was changed from 01/03/2022 to 01/09/2024.
3. The overall trial end date was changed from 01/06/2022 to 01/12/2024.
4. The intention to publish date was changed from 01/06/2023 to 01/12/2025.
03/03/2021: The following changes were made to the trial record:
1. The recruitment end date was changed from 01/03/2021 to 01/03/2022.
2. The overall end date was changed from 01/06/2021 to 01/06/2022.
3. The intention to publish date was changed from 01/06/2022 to 01/06/2023.
4. The plain English summary was updated to reflect these changes.
16/01/2020: Trial's existence confirmed by Hospital Geral de Fortaleza Ethics Committee.