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New tool may predict who will suffer after achilles surgery

NCT ID NCT07558512

Knowledge-focused Sponsor: Min Li Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 489 patients who had Achilles tendon surgery to find out what factors lead to moderate-to-severe pain in the first 24 hours. Researchers created a prediction tool (nomogram) based on these risk factors. The goal is to help doctors identify high-risk patients and plan better pain control, but the tool needs further testing.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors identify patients at high risk for pain after Achilles surgery, allowing for better pain management planning.
What could go wrong
This is a retrospective study, meaning it looks back at past data. It cannot prove cause and effect, and the prediction tool needs to be tested in new patients before it can be used widely.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

489 people

The number who actually took part.

Started

Apr 2026

Finished

Apr 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population consists of adult patients (≥18 years) who underwent Achilles tendon surgery at Peking University Third Hospital between January 2020 and December 2024. Eligible patients were those with complete perioperative data and standardized 24-hour postoperative pain assessments, meeting all inclusion and exclusion criteria of the study.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Age ≥ 18 years; American Society of Anesthesiologists (ASA) physical status classification Ⅰ\~Ⅲ; 2. Clinically diagnosed with Achilles tendon rupture, Achilles tendinopathy, insertional Achilles tendinitis, Haglund's deformity, or other Achilles tendon disorders; 3. Undergoing open or arthroscopic Achilles tendon surgery; 4. Conscious and able to cooperate in surgery and postoperative pain assessment; 5. Complete and accessible case data related to surgery, anesthesia, and postoperative pain assessment; 6. Completion of at least 24 hours of standardized pain monitoring and clinical follow-up after surgery Exclusion Criteria: 1. Missing or incomplete key clinical data such as pain assessment, surgery and anesthesia; 2. Failure to complete 24-hour standardized pain monitoring after surgery; Perioperative unplanned secondary surgery or transfer to the intensive care unit (ICU); 3. Patients with mental illness, cognitive dysfunction, or language communication barrier; History of alcohol or drug addiction Pain due to other acute or chronic diseases; 4. Bilateral Achilles tendon surgery Concurrent surgery for other lower extremity injuries

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Conditions

The condition(s) this trial relates to.

disease of the tendon Pain, Postoperative

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Postoperative pain

Contacts and locations

Locations

  • Peking University Third Hospital

    Beijing, 100191, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.