Total Knee ArthroplastySMARTNCT07213622
The Use of Smart Glasses for Saphenous Nerve Adductor Canal Block
A study testing Smartglasses in people with Total Knee Arthroplasty, run by MetroHealth Medical Center at 1 site in United States.
Trial summary
The use of smart glasses for saphenous nerve adductor canal blocks compared to standard of care. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Total Knee Arthroplasty
- What is being tested?
- Smartglasses
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 100 participants
- Where
- 1 siteUnited States
- Study dates
- 4 Mar 2024to Feb 2026
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- patients 18 years or greater
- undergoing total knee arthroplasty
Who cannot join
- Patients with local infection at nerve block site
- BMI >40
- Patients who are at risk for local anesthesia systemic toxicity due to intraoperative local dose
- Patients with nerve damage to the femoral or saphenous nerve
- Documented history of mental or cognitive disabilities in EMR
- Non-English speaking patient
Show all 9Show fewer
- Pregnant Women (self-reported)
- Prisoners
- Patients under the age of 18
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
About this study
The use of smart glasses for saphenous nerve adductor canal blocks compared to standard of care.
- Conditions
- Total Knee Arthroplasty
- Being tested
- Smartglasses
- Keywords
- Total knee arthroplasty
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
SmartglassesProcedure or surgery
Wearing smart glasses while performing a nerve block
| Study group | Role | What they receive |
|---|---|---|
| Smartglasses | Experimental | Not described Receives: Procedure: Smartglasses |
| Standard of care | No intervention | Not described |
What is being measured
The primary outcome is the main question the study is designed to answer.
Time from needle insertion to complete local anesthetic injection
Measured: Until the end of the study
Secondary outcomes (1)
Number of needle adjustments by user, ergonomics, head adjustments
Measured: until the end of the study
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Oct 2025
- Study start4 Mar 2024
- Primary completion31 Dec 2025 (estimated)
- Study completionFeb 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Total Knee ArthroplastyStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- MetroHealth Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Adam Zurney, MetroHealth Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07213622
- Sponsor's protocol ID
- STUDY00000465
- Acronym
- SMART
- Status last verified
- Oct 2025
- First submitted
- 2 Oct 2025
- Last updated
- 9 Oct 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 9 Oct 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Use of Smart Glasses for Saphenous Nerve Adductor Canal Block
- ClinicalTrials.gov ID
- NCT07213622
- Acronym / sponsor ID
- SMART / STUDY00000465
- Conditions
- Total Knee Arthroplasty
- Keywords
- Total knee arthroplasty
- Study type
- Interventional
- Recruitment status
- Enrolling by invitation
- Enrolment
- 100 participants (estimated)
- Lead sponsor
- MetroHealth Medical CenterUniversity, hospital or other
- Study start
- 4 Mar 2024 (actual)
- Primary completion
- 31 Dec 2025 (estimated)
- Study completion
- Feb 2026 (estimated)
- First posted
- 9 Oct 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The use of smart glasses for saphenous nerve adductor canal blocks compared to standard of care.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Smartglasses | Experimental | Procedure: Smartglasses |
| Standard of care | No intervention | – |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- patients 18 years or greater
- undergoing total knee arthroplasty
Key exclusion criteria (9 listed)
- Patients with local infection at nerve block site
- BMI >40
- Patients who are at risk for local anesthesia systemic toxicity due to intraoperative local dose
- Patients with nerve damage to the femoral or saphenous nerve
- Documented history of mental or cognitive disabilities in EMR
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| SmartglassesWearing smart glasses while performing a nerve block | Procedure or surgery | Smartglasses |
Primary outcome
Time from needle insertion to complete local anesthetic injection
Time frame: Until the end of the study
1 secondary outcome
Number of needle adjustments by user, ergonomics, head adjustments
Time frame: until the end of the study
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 9 Oct 2025.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Smartglasses in people with Total Knee Arthroplasty, run by MetroHealth Medical Center at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: enrolling by invitation, as of the sponsor's last update on 9 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Time from needle insertion to complete local anesthetic injection (time frame: Until the end of the study). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Oct 2025.