- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04989179
Incidence and Factors Affecting the Development and Outcome of Post Mastectomy Pain Syndrome (PMPS)
Incidence and Factors Affecting the Development and Outcome of Post Mastectomy Pain Syndrome - A Multi-centre Prospective Cohort Study.
Study Overview
Status
Conditions
Detailed Description
Post-mastectomy pain syndrome (PMPS) has been reported to occur in 25-60% of patients following surgeries for breast cancer, the highest occurring cancer in women worldwide. There is a lack of an accepted standard definition of PMPS which has resulted in the wide range of estimates of its occurrence. While there has been much research interest in this condition, there is still a paucity of standardized and effective treatment at this point, and our understanding of this condition, its exact incidence and risk factors, is still incomplete.
The local incidence of PMPS after breast cancer surgery is presently unknown and often under-reported, although breast cancer surgery is common and is carried out in almost all Singhealth institutions. Risk factors for PMPS in the local context may differ from that postulated in the West due to cultural, racial and societal differences. Breast cancer has a high survival rate, with data from the CONCORD-2 study showing a 5-year survival rate of ≥85%in developed countries. Despite high survival rates in cancer survivors, PMPS has been shown to have a negative impact on the quality of recovery(QoR), patient satisfaction, and can be severe enough causing the diminished quality of life (QoL) including poor sleep, long-term disability, mood disorders and interference with activities of daily living (ADL).
Despite widespread recognition of PMPS, it is often untreated or undertreated. Some possible reasons suggested for inadequate management of PMPS are the lack of quality information about optimal treatment, and incomplete understanding of the mechanisms and risk factors for chronic pain development and prognosis. There is therefore a knowledge gap in the understanding of risk factors leading to PMPS, the lack of a validated risk prediction model for development of PMPS, and hence limiting the institution of preventive analgesia in high risk patients. It is therefore timely to conduct a local multi-centre, prospective study to look at the local incidence of PMPS after breast surgery, the multi-dimensional effects of PMPS on the patient as well as to identify modifiable biopsychosocial risk factors leading to PMPS.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Diana Chan, MBBS/MMED (Anaesthesia), MCI
- Phone Number: +6594372568
- Email: dianacxh84@gmail.com
Study Locations
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Singapore, Singapore, 169608
- Singapore General Hospital
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Contact:
- Diana Chan Xin Hui
- Phone Number: 94372568
- Email: diana.chan.x.h@singhealth.com.sg
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age 21-80 years old
- Provided consent for the study
- Types of breast surgery included: single or bilateral site mastectomies, with or without axillary clearance, wide excision with axillary clearance, radical mastectomies with or without flap surgery.
Exclusion Criteria:
- Age below 21 or above 80 years old
- Male patients
- Cognitive impairment/ uncommunicative patients.
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Cross-Sectional
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Precise estimate of the local incidence and clinical/functional impact of PMPS
Time Frame: 4 months
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Hypothesized to result from damage to major peripheral nerves during surgery.
The International Association for the Study of Pain (IASP) defines PMPS as persistent pain soon after mastectomy/lumpectomy affecting the anterior thorax, axilla, and/or medial upper arm.
The primary outcome will be the local incidence of PMPS at 4 months follow-up after surgery.
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4 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Identify risk factors of PMPS
Time Frame: 4 months
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Describe patient, anaesthetic and surgical factors (both modifiable and unmodifiable) contributing to the development of PMPS.
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4 months
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Describe factors likely to prevent or reduce the development of PMPS after breast cancer surgery
Time Frame: 4months
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Identified risk factors can help to identify patients at risk of developing PMPS which then allows clinicians to institute prevention measures such as pre-operative counselling and preventive analgesics for high-risk patients with multiple risk factors
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4months
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Larsson IM, Ahm Sorensen J, Bille C. The Post-mastectomy Pain Syndrome-A Systematic Review of the Treatment Modalities. Breast J. 2017 May;23(3):338-343. doi: 10.1111/tbj.12739. Epub 2017 Jan 30.
- Tait RC, Zoberi K, Ferguson M, Levenhagen K, Luebbert RA, Rowland K, Salsich GB, Herndon C. Persistent Post-Mastectomy Pain: Risk Factors and Current Approaches to Treatment. J Pain. 2018 Dec;19(12):1367-1383. doi: 10.1016/j.jpain.2018.06.002. Epub 2018 Jun 30.
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PMPS 1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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