A retrospective clinical study of pain and sensory changes after breast cancer surgery

JRCT ID: jRCT1050210104

Registered date:13/10/2021

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: breast cancer
• Date of first enrollment: 13/10/2021
• Target sample size: 140
• Study type: Observational

Outcome(s)

Primary Outcome

Incidence and pain intensity of postoperative persistent pain
after breast cancer surgery

• Secondary Outcome: Association of the incidence of persistent pain after breast cancer surgery with factors such as non-surgical treatment, preoperative pain, perception, emotion, and daily activities

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: Not applicable
• Gender: Female

Include criteria

(1) Patients who have undergone breast cancer surgery for at least 3 months
(2) Age: patients over 20 at the time of acquiring consent
(3) Gender: female
(4) Patients who have consented to particpate in this study after receiving sufficient explanation for this study and gained sufficient understandings

Exclude criteria

(1) Patients with distant metastasis or recurrence of breast cancer
(2) A patients who were judged as inappropriate as a research subject by the research director

Related Information

• Primary Sponsor: Shimazu Kenzo
• Source(s) of Monetary Support: Japan Agency for Medical Research and development