High Ankle Block Versus Regional Block for Acute Pain Control After Ankle Surgery
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03894098 |
Recruitment Status :
Withdrawn
(Low interest.)
First Posted : March 28, 2019
Last Update Posted : May 27, 2022
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Condition or disease | Intervention/treatment | Phase |
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Ankle Surgery | Procedure: Nerve block | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 0 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Treatment |
Official Title: | High Ankle Block Versus Regional Block for Acute Pain Control After Ankle Surgery: A Prospective Randomized Controlled Study |
Actual Study Start Date : | March 26, 2019 |
Actual Primary Completion Date : | May 24, 2022 |
Actual Study Completion Date : | May 24, 2022 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Single shot regional popliteal and saphenous block
Standard of care traditional single shot popliteal / saphenous regional block for acute pain control after elective ankle surgery
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Procedure: Nerve block
High ankle nerve block |
Experimental: High ankle block
High ankle block for acute pain control after elective ankle surgery
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Procedure: Nerve block
High ankle nerve block |
- Change in pain score [ Time Frame: 24 hours, 48 hours, 72 hours ]Measured using Defense and Veterans Pain Scale (lowest score of 0 = No pain and 10 = As bad as it could be, nothing else matters)

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
- Adults undergoing elective foot and ankle surgery
- Adults ≥18 years, intact presurgical peripheral sensation based on 5.07 monofilament testing, foot and ankle surgery
Exclusion Criteria
- Presurgical neurologic discrepancies (peripheral neuropathy, radiculopathy)
- Complex regional pain syndrome
- peripheral nerve surgery
- Surgery above the level of the tibiotalar joint
- Narcotic dependency
- Anyone unable to receive a high ankle block

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03894098
United States, Florida | |
Mayo Clinic in Florida | |
Jacksonville, Florida, United States, 32224 |
Principal Investigator: | Glenn G Shi, MD | Mayo Clinic |
Responsible Party: | Glenn G. Shi, M.D., Principal Investigator, Mayo Clinic |
ClinicalTrials.gov Identifier: | NCT03894098 |
Other Study ID Numbers: |
18-002398 |
First Posted: | March 28, 2019 Key Record Dates |
Last Update Posted: | May 27, 2022 |
Last Verified: | May 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
nerve block |
Acute Pain Pain Neurologic Manifestations |