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NCT Number: NCT07330947

Incidence and Risk Factors of Postoperative Chronic Pain in Patients Who Have Undergone Hallux Valgus Surgery

The goal of this observational study is to learn about the incidence and risk factors of postoperative chronic pain in adult patients who have undergone Hallux Valgus surgery (between january 2021 and december 2024). This will be assesed through scales and medical records information.

The main questions to be answered are:

* How many patients who have undergone Hallux Valgus surgery are experiencing postoperative chronic pain. * What factors are there present in those who do experience chronic pain after surgery.

After accepting the informed consent, participants will be asked to answer a Brief Pain Inventory Scale and a Risk Factor Questionnaire for Postoperative Chronic Pain.

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Key information

Conditions

Postoperative Chronic Pain Hallux Valgus Surgery Neurologic Manifestations Pain Pain, Postoperative Pathologic Processes Pathological Conditions, Signs and Symptoms Postoperative Complications Signs and Symptoms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Pontificia Universidad Católica de Chile

Santiago, Santiago Metropolitan, 8330024, Chile

Location contact

Facultad de Medicina Pontificia Universidad Católica de Chile

CONTACT

[email protected]

+56-2)2354 2000

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients who underwent Hallux Valgus surgery at various centers within the UC Christus network from January 2021 to April 2024.

Exclusion criteria

  • Patients who had difficulty responding to follow-up from the UC Christus health network Pain Unit and/or who do not answer the telephone call

Treatment and study plan

Primary outcomes

  1. The incidence of Chronic Postoperative Pain (CPOP) following Hallux Valgus surgeries

    Time frame: "Day 1" The outcome measure will be recorded on day 1, when the patient has agreed to the informed consent and to answer the questionnaire.

    The main outcome (chronic pain related to Hallux Valgus surgeries) will be assessed through the Brief Pain Inventory scale:

    • Pain intensity: Moderate (Visual Analog Scale 5 - 7) or severe pain (Visual Analog Scale 8 - 10).
    • Time: over 3 months.
    • Pain description: pain is anatomically located where the Hallux Valgus surgery has taken place.

Study contacts

Contact information is provided by the study sponsor or research team.

María Francisca Elgueta, MD Associate Professor

CONTACT

[email protected]

+56 9 6218 7863

Sponsors and collaborators

Lead sponsor

Pontificia Universidad Catolica de Chile

Other

Registry information

Official study title

Incidence and Risk Factors of Postoperative Chronic Pain in Patients Who Have Undergone Hallux Valgus Surgery in the UC-Christus Clinical Hospital

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Jan 9, 2026
Registry last updated
May 28, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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