CClinicalTrials.gg
Sign In
Status unknownNCT04507620Updated Aug 11, 2020

Effect of Cervical Immobilization on Optic Nerve Sheath Diameter

An observational study in Optic Nerve Sheath Diameter and Point of Care Ultrasound, sponsored by Tanta University. Status unknown at 1 site in Egypt. Open to participants aged 18 Years to 60 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-08-11.

Sponsored by Tanta University · Observational

The sponsor has not verified this record recently (last verified Aug 2020), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Case-control
Time perspective
Cross-sectional
Enrollment
100
Ages
18 Years to 60 Years
Sex
All
01

Study summary

Effect of Cervical Immobilization on Optic Nerve Sheath Diameter

Read the detailed description

Two cervical immobilization devices will be used in this study named cervical neck collar and head blocks strapped on the backboard and optic nerve diameter will be measured using point of care ultrasound and compare the effect of each type of cervical immobilisation on optic nerve sheath diameter.

02

Conditions studied

  • Optic Nerve Sheath Diameter
  • Point of Care Ultrasound

Keywords

  • cervical immobilization
03

In context

Lead sponsor

Tanta University is the lead sponsor of 963 studies on the registry; 304 are open to participants now.

Of its 16 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

This prospective study will be done on 100 medical students, emergency medicine and traumatology residents and assistant lecturers ,Tanta university faculty of medicine, healthy volunteers during a period of 6 months.

Inclusion criteria

  • Adult healthy volunteers aged more than 18 years

Exclusion criteria

Exclusion Criteria:

  • Hx of stroke

    • Inability to consent,
    • Inability to lay flat on a bed or table for 15 min in duration,
    • History of glaucoma, globe injury, lens implant,
    • Recent refractive surgery (within the past 60 days).
    • Uncontrolled hypertension
05

Study design

Observational model
Case-control
Time perspective
Cross-sectional
Enrollment
100 participants (estimated)
Target follow-up
6 Months
Patient registry
Yes

Groups and cohorts

  • cervical neck collar

    Device: cervical neck collar

  • head blocks strapped on the backboard

    Device: cervical neck collar

Interventions

  • Devicecervical neck collar

    devices used for cervical immobilization

    Also known as: head blocks strapped on the backboard

06

What researchers measure

Primary outcomes

  1. Effect of cervical neck collar and head blocks strapped on the backboard on Optic Nerve Sheath Diameter

    effect of cervical neck collar and head blocks strapped on the backboard on optic nerve sheath diameter, measured by point of care ultrasound

    Time frame: 6 month

07

Study locations

1 of 1 sites recruiting
  • Mohamed Elbahnasawy
    Tanta, Gharbia 31527, Egypt
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 11, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04507620
Lead sponsor
Tanta University
Responsible party
Mohamed Elbahnasawy, MD (consultant of emergency medicine and traumatology, Tanta University) — Principal investigator
First posted
Aug 11, 2020
Start date
Jul 8, 2020
Primary completion
Nov 1, 2020 (estimated)
Completion
Nov 30, 2020 (estimated)
Last update
Aug 11, 2020

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Aug 2020. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Other studies from this sponsor

Tanta University

Start the discussion