Postoperative PainNCT07887516
Nerve Block Resolution Time Display and Pain Complaints
A study testing Physical display in people with Postoperative Pain and Rebound Pain, run by Medical University of South Carolina.
Trial summary
This randomized prospective study will evaluate whether displaying the expected nerve block resolution time on a patient's splint reduces postoperative pain-related complaints after orthopedic surgery. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Postoperative Pain, Rebound Pain, Fracture
- What is being tested?
- Physical display
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 128 participants
- Where
- No sites listed yet
- Study dates
- Oct 2026to Feb 2027
- 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
- Age 18 years or older
- Present with a fracture and will subsequently undergo an operation with the Medical University of South Carolina Department of Orthopaedic Surgery
- Will receive a preoperative nerve block as part of their standard clinical care
Who cannot join
- More than one fracture
- Cognitive impairment or inability to provide informed consent
- Declines or is unwilling to provide informed consent
- Currently imprisoned
- Patients who self-report being pregnant during eligibility screening
About this study
Official title: Effect of Displaying Nerve Block Resolution Time on Postoperative Pain Complaints
This randomized prospective study will evaluate whether displaying the expected nerve block resolution time on a patient's splint reduces postoperative pain-related complaints after orthopedic surgery. Adults with a fracture who undergo surgery at the Medical University of South Carolina and receive a preoperative nerve block may be eligible. Participants will be randomly assigned to receive standard verbal communication alone or standard verbal communication plus a written display of the expected nerve block resolution time on the splint. The study will compare the number of postoperative pain-related phone calls between the two groups.
Read the detailed description
Peripheral nerve blocks are commonly used to provide perioperative pain relief after orthopedic surgery, but some patients experience rebound pain as the block resolves. Limited retention of verbal instructions may leave patients unprepared for the expected timing of nerve block resolution. This prospective, randomized study will enroll adults undergoing orthopedic surgery for a fracture who receive a preoperative nerve block as part of standard clinical care. Participants will be assigned to standard verbal communication alone or standard verbal communication plus a written display of the anticipated nerve block resolution time placed on the patient's splint. All other clinical care will remain unchanged. Demographic and postoperative information will be collected through medical record review. The study is intended to determine whether a persistent visual reminder improves preparedness and is associated with fewer postoperative pain-related complaints.
- Conditions
- Postoperative Pain, Rebound Pain, Fracture
- Being tested
- Physical display
- Keywords
- Peripheral nerve block, Nerve block resolution, Orthopedic surgery, Patient education, Pain complaints
- Medical subject headings
- Pain, Postoperative, Fractures, Bone
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Physical displayOther
Minimal intervention of a written physical display of anticipated nerve block resolution time on the patient's splint. This intervention will be supplemental to the standard communication regarding expected nerve block duration and postoperative pain management strategies. The intervention will not change any other aspect of clinical care.
| Study group | Role | What they receive |
|---|---|---|
| Physical display | Experimental | Minimal intervention of a written physical display of anticipated nerve block resolution time on the patient's splint. This intervention will be supplemental to the standard communication regarding expected nerve block duration and postoperative pain management strategies. The intervention will not change any other aspect of clinical care. Receives: Other: Physical display |
| No physical display | No intervention | No physical display of information and will only receive standard of care, including verbal instructions of the anticipated nerve block duration and standard pain management directions. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Rate of postoperative pain-related complaints in each group
To evaluate whether physically displaying the expected nerve block resolution time on patients' splints reduces the rate of postoperative pain-related complaints. The rate will be measured as the percentage of patients in each study group who initiate at least 1 pain-related phone call within 48 hours of nerve block administration. Pain-related phone calls will be identified through patient chart review up to 48 hours after nerve block administration. Data will be compared between the interventional and control groups. The unit of measurement will be percentage of patients.
Measured: From time of nerve block administration until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first.
Secondary outcomes (3)
Age and postoperative pain-related complaints
To evaluate the correlation between patient age and the rate of postoperative pain-related complaints. Age will be obtained by chart review and measured in years. The rate of postoperative pain-related complaints will be calculated as the percentage of patients within each age group who initiate at least 1 pain-related phone call within 48 hours of nerve block administration. Pain-related phone calls will be identified through patient chart review up to 48 hours after nerve block administration.
Measured: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first.
Sex and postoperative pain-related complaints
To evaluate the correlation between patient sex and the rate of postoperative pain-related complaints. Sex will be obtained by chart review and recorded as a categorical variable. The rate of postoperative pain-related complaints will be calculated as the percentage of patients within each sex who initiate at least 1 pain-related phone call within 48 hours of nerve block administration. Pain-related phone calls will be identified through patient chart review up to 48 hours after nerve block administration.
Measured: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first
Race and postoperative pain-related complaints
To evaluate the correlation between patient race and the rate of postoperative pain-related complaints. Race will be obtained by chart review and recorded as a categorical variable. The rate of postoperative pain-related complaints will be calculated as the percentage of patients within each race who initiate at least 1 pain-related phone call within 48 hours of nerve block administration. Pain-related phone calls will be identified through patient chart review up to 48 hours after nerve block administration.
Measured: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Oct 2026
- Study startOct 2026 (estimated)
- Primary completionFeb 2027 (estimated)
- Study completionFeb 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Postoperative PainStudies 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
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 128 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Medical University of South Carolina
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07887516
- Sponsor's protocol ID
- Pro00151780
- Status last verified
- Oct 2026
- First submitted
- 9 Oct 2026
- Last updated
- 21 Oct 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 21 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effect of Displaying Nerve Block Resolution Time on Postoperative Pain Complaints
- ClinicalTrials.gov ID
- NCT07887516
- Acronym / sponsor ID
- Pro00151780
- Conditions
- Postoperative Pain, Rebound Pain, Fracture
- Keywords
- Peripheral nerve block, Nerve block resolution, Orthopedic surgery, Patient education, Pain complaints
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 128 participants (estimated)
- Lead sponsor
- Medical University of South CarolinaUniversity, hospital or other
- Study start
- Oct 2026 (estimated)
- Primary completion
- Feb 2027 (estimated)
- Study completion
- Feb 2027 (estimated)
- First posted
- 21 Oct 2026 (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.
This randomized prospective study will evaluate whether displaying the expected nerve block resolution time on a patient's splint reduces postoperative pain-related complaints after orthopedic surgery. Adults with a fracture who undergo surgery at the Medical University of South Carolina and receive a preoperative nerve block may be eligible. Participants will be randomly assigned to receive standard verbal communication alone or standard verbal communication plus a written display of the expected nerve block resolution time on the splint. The study will compare the number of postoperative pain-related phone calls between the two groups.
Detailed description
Peripheral nerve blocks are commonly used to provide perioperative pain relief after orthopedic surgery, but some patients experience rebound pain as the block resolves. Limited retention of verbal instructions may leave patients unprepared for the expected timing of nerve block resolution. This prospective, randomized study will enroll adults undergoing orthopedic surgery for a fracture who receive a preoperative nerve block as part of standard clinical care. Participants will be assigned to standard verbal communication alone or standard verbal communication plus a written display of the anticipated nerve block resolution time placed on the patient's splint. All other clinical care will remain unchanged. Demographic and postoperative information will be collected through medical record review. The study is intended to determine whether a persistent visual reminder improves preparedness and is associated with fewer postoperative pain-related complaints.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Physical display | Experimental | Other: Physical displayMinimal intervention of a written physical display of anticipated nerve block resolution time on the patient's splint. This intervention will be supplemental to the standard communication regarding expected nerve block duration and postoperative pain management strategies. The intervention will not change any other aspect of clinical care. |
| No physical display | No intervention | –No physical display of information and will only receive standard of care, including verbal instructions of the anticipated nerve block duration and standard pain management directions. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Age 18 years or older
- Present with a fracture and will subsequently undergo an operation with the Medical University of South Carolina Department of Orthopaedic Surgery
- Will receive a preoperative nerve block as part of their standard clinical care
Key exclusion criteria (5 listed)
- More than one fracture
- Cognitive impairment or inability to provide informed consent
- Declines or is unwilling to provide informed consent
- Currently imprisoned
- Patients who self-report being pregnant during eligibility screening
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 |
|---|---|---|
| Physical displayMinimal intervention of a written physical display of anticipated nerve block resolution time on the patient's splint. This intervention will be supplemental to the standard communication regarding expected nerve block duration and postoperative pain management strategies. The intervention will not change any other aspect of clinical care. | Other | Physical display |
Primary outcome
Rate of postoperative pain-related complaints in each group
Time frame: From time of nerve block administration until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first.
To evaluate whether physically displaying the expected nerve block resolution time on patients' splints reduces the rate of postoperative pain-related complaints. The rate will be measured as the percentage of patients in each study group who initiate at least 1 pain-related phone call within 48 hours of nerve block administration. Pain-related phone calls will be identified through patient chart review up to 48 hours after nerve block administration. Data will be compared between the interventional and control groups. The unit of measurement will be percentage of patients.
3 secondary outcomes
Age and postoperative pain-related complaints
Time frame: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first.
Sex and postoperative pain-related complaints
Time frame: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first
Race and postoperative pain-related complaints
Time frame: From time of enrollment until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first
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 21 Oct 2026.
- Individual participant dataSharing planned: Undecided
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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.
Questions about this trial
What is this clinical trial studying?
A study testing Physical display in people with Postoperative Pain and Rebound Pain, run by Medical University of South Carolina.
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 3 inclusion and 5 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: opening soon, as of the sponsor's last update on 21 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
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?
Rate of postoperative pain-related complaints in each group (time frame: From time of nerve block administration until the time of first documented pain-related phone call or 48 hours from nerve block administration, whichever came first.). 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 21 Oct 2026.