Pain SyndromeNCT03067922
Postmastectomy Pain Syndrome in an Indian Cancer Hospital
An observational study of Pain Syndrome and Mastectomy, run by Tata Memorial Centre at 1 site in India.
Trial summary
Breast cancer is the most common cancer in women in India and accounts for 27% of all cancers in women. Incidence rises in early thirties, peaks at 50-64 years. Approximately 48% are below 50 years of age. Most present when symptoms develop, so are 2B and beyond. Treatment depends on the stage of the disease. Read more about this study
- Who is it for?
- Ages 18 to 80 years, women only
- Conditions the study is for
- Pain Syndrome, Mastectomy, Quality of Life
- What is being tested?
- Non interventional study
- How many people
- 120 participants
- Where
- 1 siteIndia
- Study dates
- 6 Mar 2017to 6 Sep 2018
- How long will I take part?
- 6 Months
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 80 years
- Women only
- No healthy volunteers
- Adult, Older adult
Study population: Female patients scheduled for undergoing surgery for breast cancer conservative and radical and willing to participate will be enrolled in the study after obtaining a written informed consent
Who may be able to join
- Female patient undergoing mastectomy simple radical with or without axilla dissection
- Literate and can read and write in either English, Hindi, Marathi
- Willing to fill forms and post them and/or answer questions on phone
Who cannot join
- Refusal of consent
- Patient who has previously undergone major surgery around breast and chest wall
- Benign breast pathology
- Patient's with impaired cognitive function
- Emergency surgery
- PECs block study (PECTORALIS BLOCK)
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Post Mastectomy Pain Syndrome at an Indian Tertiary Cancer Centre: Incidence, Pain Severity, Impact on Daily Function and Quality of Life
Breast cancer is the most common cancer in women in India and accounts for 27% of all cancers in women. Incidence rises in early thirties, peaks at 50-64 years. Approximately 48% are below 50 years of age. Most present when symptoms develop, so are 2B and beyond. Treatment depends on the stage of the disease. Surgical removal of the tumour is part of the treatment attempting a cure.
Simple mastectomy involves removal of breast tissue without axillary lymph node dissection or removal of chest wall muscles. Radical mastectomy involves removal of the entire breast, skin, pectoralis major and minor muscles and ipsilateral axillary lymph nodes. Modified radical mastectomy involves removal of the breast and ipsilateral axillary lymph nodes. The pectoralis muscle is preserved. Breast conserving surgery involves removal of tumour with or without axillary dissection. The extent of surgery tells us about the nerve damage, local tissue handling. For example operating in upper and outer quadrant of breast and axilla increases nerve handling in that particular region. Local radiation also plays a role.
Read more
Persistent pain after mastectomy was first reported in the 1970s by Wood and defined by International Association for Study of Pain (IASP) as pain in the anterior aspect of the thorax, axilla, and/or upper half of the arm beginning after mastectomy or quadrantectomy and persisting for more than three months after surgery and known as Postmastectomy pain Syndrome (PMPS). It is a common problem, with a 25- 60% incidence. The pain is described as burning or tenderness with paroxysms of lancinating, shock-like pain, and also described by some as dysesthesia (perception of non noxious stimuli as painful). Risk factors for PMPS include age, raised Body mass index (BMI), severity of postoperative pain, type of surgery, susceptibility to pain with a history of other pains such as headache and dysmenorrhoea. Axillary hematoma and postoperative radiotherapy have also been implicated in the development of PMPS.
Tata Memorial Hospital, is a tertiary cancer institute in India. Around 4000 patients with suspected breast cancers register annually at the hospital and approximately 2800 breast cancer surgeries are performed yearly. Very few studies on PMPS in Indian population exist. We therefore plan to identify the incidence of PMPS in our patients and also the severity of pain along with its impact on daily function and quality of life
Read the detailed description
Tata Memorial Hospital, a 629 bed tertiary cancer institute conducts approximately 6000 surgeries per year. Approximately 4000 (4239 in 2015) patients with suspected breast cancers register annually at the hospital and around 2800 breast cancer surgeries are performed every year. Very few studies on PMPS in Indian population exist. The investigators therefore, aim to identify the incidence of post mastectomy pain syndrome PMPS) in this population. The investigators also aim to identify the severity of postmastectomy pain along with its impact on daily function and quality of life.
STUDY DESIGN:
Prospective study over 12 months with follow up until 6th month from enrollment with interim analysis in the month of November for presentation of the CoPI's thesis.
MATERIALS \& METHODS:
Prospective study over a period of 12 months from commencement of study after Institutional ethics committee approval, at Tata Memorial hospital and ACTREC. Female patients scheduled for undergoing surgery for breast cancer conservative and radical and willing to participate will be enrolled in the study after obtaining a written informed consent. Pain scores will be assessed using Numerical rating scale [with pain score 1-3 mild, 4 to 6 moderate and 7 and above severe]. History of predisposition to recurrent headaches and dysmenorrhea will be noted. Details of disease stage, chemotherapy and/or radiotherapy will also be documented from the Electronic medical records. Analgesia will be managed by the primary surgical team as is currently being done. The analgesia administered to the patient will also be recorded. participants noted to have moderate to severe pain despite analgesics prescribed by the surgical team will be referred to the acute pain service (APS) for further management.
Postoperative pain severity both the average \& worst pain will be recorded at discharge from hospital, 1st, 4th and 6th month after the surgery. The Details of postoperative pain analgesic use and effect on daily function will be documented with the help of postal cards with questionaires in envelop addressed to the investigators. Study will emphasize on the type, severity, the site of pain whether, lateral or anterior chest wall, axilla, ipsilateral medial upper arm or back, the type of pain (burning, tingling, shooting, stabbing etc) and effects on daily function and quality of life. Details of postoperative hematoma, infection, local recurrence will also be recorded from the history, electronic medical records and documents of participants. Details of postoperative chemotherapy and radiation will also be obtained from patient's notes and the electronic medical record All participants will be administered the short form of the Brief Pain inventory [BPI], EORTC QLQ 30, preoperatively, at 1 month, 4 months \& 6 months after surgery.
The Brief pain inventory {BPI} (obtained with permission from MD Anderson), which assesses the severity of pain and impact of pain on daily functions will be administered to the participant in the language familiar to them, preoperatively, at 1 month, 4th and 6th month postoperatively. The short form comprises of nine questions related to the severity of pain, impact of pain on daily function, location of pain, pain medications and amount of pain relief in the past 24 hours or the past week.It has been widely used and validated in several languages the world over.
EORTC QLQ [Quality of life Questionaries ] is an integrated system for assessing quality of life [health related ]. This self administered questionnaires incorporates five functional scales, physical [PF], role [RF], cognitive [CF], emotional [ef], and social; three symptoms scale for fatigue, pain and nausea/vomiting; a global health quality of life scale and several single items for financial impact and additional symptoms like diarrhea, appetite loss, sleep disturbance. This would help identify the quality of life of the participants and its affection.
If a participant cannot follow up at the said intervals, the pain scores would be obtained telephonically and the BPI, EORTC QLQ 30 form in prepaid envelopes would be given to them at discharge which they would have to duly fill in and post them to the given address at the appropriate intervals. If the next follow up to the hospital coincides with the 4th or 6th postoperative month, the participant will visit the pain clinic for an assessment and completing the BPI.
- Conditions
- Pain Syndrome, Mastectomy, Quality of Life
- Being tested
- Non interventional study
- Keywords
- Mastectomy, Pain, Severity, Life quality
- Medical subject headings
- Somatoform Disorders, Pain
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Non interventional studyOther
Not applicable. No intervention will be done. it is an observational study assessing pain after mastectomy and the quality of life as assessed from validated questionnaires given to the patients at regular intervals
What is being measured
The primary outcome is the main question the study is designed to answer.
Incidence of Post mastectomy pain syndrome (PMPS)
presence of pain around the mastectomy site and ipsilateral arm after the mastectomy
Measured: 6 months after surgery
Secondary outcomes (9)
pain severity
How severe the pain is after mastectomy from the Pain intensity obtained from the Brief Pain inventory questionnaire
Measured: At 1 month after surgery
pain severity
How severe the pain is after mastectomy from the pain intensity obtained from the Brief Pain inventory questionnaire
Measured: At 4 months after surgery
pain severity
How severe the pain is after mastectomy from the pain intensity obtained from the Brief Pain inventory questionnaire
Measured: At 6 months after surgery
Impact on daily function
How the pain after mastectomy per se affects day to day functioning of the patient and how the quality of her life is affected. The impact of pain on daily life will be identified from the Brief Pain inventory questionnaire which the patient would have to complete at this time point.
Measured: At 1 month after surgery
Impact on quality of life
The impact of the mastectomy on Quality of life of the patient would be assessed from the EORTC-QLQ 30 questionnaire completed by the patient
Measured: At 1 month after surgery
Impact on daily function
How the pain per se affects day to day functioning of the patient.The impact of pain on daily life will be identified from the Brief Pain inventory questionnaire which the patient would have to complete at this time point.
Measured: At 4 months after surgery
Impact on quality of life
The impact of the mastectomy on the quality of life of the patient would be assessed from the EORTC-QLQ 30 questionnaire completed by the patient at his time point.
Measured: At 4 months after surgery
Impact on daily function
How the pain per se affects day to day functioning of the patient .The impact of pain on daily life will be identified from the Brief Pain inventory questionnaire which the patient would have to complete at this time point.
Measured: At 6 months after surgery
Impact on quality of life
the impact of teh mastectomy on the quality of life of the patient would be assessed from the EORTC-QLQ 30 questionnaire completed by the patient at this time point.
Measured: At 6 months after surgery
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted1 Mar 2017
- Study start6 Mar 2017
- Primary completion6 Mar 2018
- Study completion6 Sep 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for Pain SyndromeStudies of the same condition, open and under way.
- More trials run by Tata Memorial CentreThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 120 participants (actual)
- Target duration
- 6 Months
Sponsor and investigators
- Lead sponsor
- Tata Memorial Centre
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Dr Aparna Chatterjee, Tata Memorial Centre
- Investigators
- APARNA S CHATTERJEE, MD,FCARCSI, Principal investigator, Tata Memorial Centre
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03067922
- Sponsor's protocol ID
- TataMC
- Status last verified
- Sep 2019
- First submitted
- 10 Feb 2017
- Last updated
- 11 Sep 2019
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Smith WC, Bourne D, Squair J, Phillips DO, Chambers WA. A retrospective cohort study of post mastectomy pain syndrome. Pain. 1999 Oct;83(1):91-5. doi: 10.1016/s0304-3959(99)00076-7.
PubMed 10506676Couceiro TC, Menezes TC, Valenca MM. Post-mastectomy pain syndrome: the magnitude of the problem. Rev Bras Anestesiol. 2009 May-Jun;59(3):358-65. doi: 10.1590/s0034-70942009000300012. English, Portuguese.
PubMed 19488550Mejdahl MK, Andersen KG, Gartner R, Kroman N, Kehlet H. Persistent pain and sensory disturbances after treatment for breast cancer: six year nationwide follow-up study. BMJ. 2013 Apr 11;346:f1865. doi: 10.1136/bmj.f1865.
PubMed 23580693Bray F, Ren JS, Masuyer E, Ferlay J. Global estimates of cancer prevalence for 27 sites in the adult population in 2008. Int J Cancer. 2013 Mar 1;132(5):1133-45. doi: 10.1002/ijc.27711. Epub 2012 Jul 26.
PubMed 22752881Wood KM. Intercostobrachial nerve entrapment syndrome. South Med J. 1978 Jun;71(6):662-3. doi: 10.1097/00007611-197806000-00016.
PubMed 663696Gartner R, Jensen MB, Nielsen J, Ewertz M, Kroman N, Kehlet H. Prevalence of and factors associated with persistent pain following breast cancer surgery. JAMA. 2009 Nov 11;302(18):1985-92. doi: 10.1001/jama.2009.1568.
PubMed 19903919Andersen KG, Kehlet H. Persistent pain after breast cancer treatment: a critical review of risk factors and strategies for prevention. J Pain. 2011 Jul;12(7):725-46. doi: 10.1016/j.jpain.2010.12.005. Epub 2011 Mar 24.
PubMed 21435953Miguel R, Kuhn AM, Shons AR, Dyches P, Ebert MD, Peltz ES, Nguyen K, Cox CE. The effect of sentinel node selective axillary lymphadenectomy on the incidence of postmastectomy pain syndrome. Cancer Control. 2001 Sep-Oct;8(5):427-30. doi: 10.1177/107327480100800506.
PubMed 11579339Steegers MA, Wolters B, Evers AW, Strobbe L, Wilder-Smith OH. Effect of axillary lymph node dissection on prevalence and intensity of chronic and phantom pain after breast cancer surgery. J Pain. 2008 Sep;9(9):813-22. doi: 10.1016/j.jpain.2008.04.001. Epub 2008 Jun 30.
PubMed 18585963Glechner A, Wockel A, Gartlehner G, Thaler K, Strobelberger M, Griebler U, Kreienberg R. Sentinel lymph node dissection only versus complete axillary lymph node dissection in early invasive breast cancer: a systematic review and meta-analysis. Eur J Cancer. 2013 Mar;49(4):812-25. doi: 10.1016/j.ejca.2012.09.010. Epub 2012 Oct 17.
PubMed 23084155
Study at a glance
From the registry record, last updated by the sponsor on 11 Sep 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Post Mastectomy Pain Syndrome at an Indian Tertiary Cancer Centre: Incidence, Pain Severity, Impact on Daily Function and Quality of Life
- ClinicalTrials.gov ID
- NCT03067922
- Acronym / sponsor ID
- TataMC
- Conditions
- Pain Syndrome, Mastectomy, Quality of Life
- Keywords
- Mastectomy, Pain, Severity, Life quality
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 120 participants (actual)
- Lead sponsor
- Tata Memorial CentreUniversity, hospital or other
- Study start
- 6 Mar 2017 (actual)
- Primary completion
- 6 Mar 2018 (actual)
- Study completion
- 6 Sep 2018 (actual)
- First posted
- 1 Mar 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Breast cancer is the most common cancer in women in India and accounts for 27% of all cancers in women. Incidence rises in early thirties, peaks at 50-64 years. Approximately 48% are below 50 years of age. Most present when symptoms develop, so are 2B and beyond. Treatment depends on the stage of the disease. Surgical removal of the tumour is part of the treatment attempting a cure.
Simple mastectomy involves removal of breast tissue without axillary lymph node dissection or removal of chest wall muscles. Radical mastectomy involves removal of the entire breast, skin, pectoralis major and minor muscles and ipsilateral axillary lymph nodes. Modified radical mastectomy involves removal of the breast and ipsilateral axillary lymph nodes. The pectoralis muscle is preserved. Breast conserving surgery involves removal of tumour with or without axillary dissection. The extent of surgery tells us about the nerve damage, local tissue handling. For example operating in upper and outer quadrant of breast and axilla increases nerve handling in that particular region. Local radiation also plays a role.
Persistent pain after mastectomy was first reported in the 1970s by Wood and defined by International Association for Study of Pain (IASP) as pain in the anterior aspect of the thorax, axilla, and/or upper half of the arm beginning after mastectomy or quadrantectomy and persisting for more than three months after surgery and known as Postmastectomy pain Syndrome (PMPS). It is a common problem, with a 25- 60% incidence. The pain is described as burning or tenderness with paroxysms of lancinating, shock-like pain, and also described by some as dysesthesia (perception of non noxious stimuli as painful). Risk factors for PMPS include age, raised Body mass index (BMI), severity of postoperative pain, type of surgery, susceptibility to pain with a history of other pains such as headache and dysmenorrhoea. Axillary hematoma and postoperative radiotherapy have also been implicated in the development of PMPS.
Tata Memorial Hospital, is a tertiary cancer institute in India. Around 4000 patients with suspected breast cancers register annually at the hospital and approximately 2800 breast cancer surgeries are performed yearly. Very few studies on PMPS in Indian population exist. We therefore plan to identify the incidence of PMPS in our patients and also the severity of pain along with its impact on daily function and quality of life
Detailed description
Tata Memorial Hospital, a 629 bed tertiary cancer institute conducts approximately 6000 surgeries per year. Approximately 4000 (4239 in 2015) patients with suspected breast cancers register annually at the hospital and around 2800 breast cancer surgeries are performed every year. Very few studies on PMPS in Indian population exist. The investigators therefore, aim to identify the incidence of post mastectomy pain syndrome PMPS) in this population. The investigators also aim to identify the severity of postmastectomy pain along with its impact on daily function and quality of life.
STUDY DESIGN:
Prospective study over 12 months with follow up until 6th month from enrollment with interim analysis in the month of November for presentation of the CoPI's thesis.
MATERIALS \& METHODS:
Prospective study over a period of 12 months from commencement of study after Institutional ethics committee approval, at Tata Memorial hospital and ACTREC. Female patients scheduled for undergoing surgery for breast cancer conservative and radical and willing to participate will be enrolled in the study after obtaining a written informed consent. Pain scores will be assessed using Numerical rating scale [with pain score 1-3 mild, 4 to 6 moderate and 7 and above severe]. History of predisposition to recurrent headaches and dysmenorrhea will be noted. Details of disease stage, chemotherapy and/or radiotherapy will also be documented from the Electronic medical records. Analgesia will be managed by the primary surgical team as is currently being done. The analgesia administered to the patient will also be recorded. participants noted to have moderate to severe pain despite analgesics prescribed by the surgical team will be referred to the acute pain service (APS) for further management.
Postoperative pain severity both the average \& worst pain will be recorded at discharge from hospital, 1st, 4th and 6th month after the surgery. The Details of postoperative pain analgesic use and effect on daily function will be documented with the help of postal cards with questionaires in envelop addressed to the investigators. Study will emphasize on the type, severity, the site of pain whether, lateral or anterior chest wall, axilla, ipsilateral medial upper arm or back, the type of pain (burning, tingling, shooting, stabbing etc) and effects on daily function and quality of life. Details of postoperative hematoma, infection, local recurrence will also be recorded from the history, electronic medical records and documents of participants. Details of postoperative chemotherapy and radiation will also be obtained from patient's notes and the electronic medical record All participants will be administered the short form of the Brief Pain inventory [BPI], EORTC QLQ 30, preoperatively, at 1 month, 4 months \& 6 months after surgery.
The Brief pain inventory {BPI} (obtained with permission from MD Anderson), which assesses the severity of pain and impact of pain on daily functions will be administered to the participant in the language familiar to them, preoperatively, at 1 month, 4th and 6th month postoperatively. The short form comprises of nine questions related to the severity of pain, impact of pain on daily function, location of pain, pain medications and amount of pain relief in the past 24 hours or the past week.It has been widely used and validated in several languages the world over.
EORTC QLQ [Quality of life Questionaries ] is an integrated system for assessing quality of life [health related ]. This self administered questionnaires incorporates five functional scales, physical [PF], role [RF], cognitive [CF], emotional [ef], and social; three symptoms scale for fatigue, pain and nausea/vomiting; a global health quality of life scale and several single items for financial impact and additional symptoms like diarrhea, appetite loss, sleep disturbance. This would help identify the quality of life of the participants and its affection.
If a participant cannot follow up at the said intervals, the pain scores would be obtained telephonically and the BPI, EORTC QLQ 30 form in prepaid envelopes would be given to them at discharge which they would have to duly fill in and post them to the given address at the appropriate intervals. If the next follow up to the hospital coincides with the 4th or 6th postoperative month, the participant will visit the pain clinic for an assessment and completing the BPI.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Target follow-up
- 6 Months
Who may qualify
- Ages
- 18 to 80 years
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Female patients scheduled for undergoing surgery for breast cancer conservative and radical and willing to participate will be enrolled in the study after obtaining a written informed consent
Key inclusion criteria (3 listed)
- Female patient undergoing mastectomy simple radical with or without axilla dissection
- Literate and can read and write in either English, Hindi, Marathi
- Willing to fill forms and post them and/or answer questions on phone
Key exclusion criteria (6 listed)
- Refusal of consent
- Patient who has previously undergone major surgery around breast and chest wall
- Benign breast pathology
- Patient's with impaired cognitive function
- Emergency surgery
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Non interventional studyNot applicable. No intervention will be done. it is an observational study assessing pain after mastectomy and the quality of life as assessed from validated questionnaires given to the patients at regular intervals | Other | – |
Primary outcome
Incidence of Post mastectomy pain syndrome (PMPS)
Time frame: 6 months after surgery
presence of pain around the mastectomy site and ipsilateral arm after the mastectomy
9 secondary outcomes
pain severity
Time frame: At 1 month after surgery
pain severity
Time frame: At 4 months after surgery
pain severity
Time frame: At 6 months after surgery
Impact on daily function
Time frame: At 1 month after surgery
Impact on quality of life
Time frame: At 1 month after surgery
Impact on daily function
Time frame: At 4 months after surgery
Impact on quality of life
Time frame: At 4 months after surgery
Impact on daily function
Time frame: At 6 months after surgery
Impact on quality of life
Time frame: At 6 months after surgery
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Sep 2019.
- Results publication: PubMed 10506676Smith WC, Bourne D, Squair J, Phillips DO, Chambers WA. A retrospective cohort study of post mastectomy pain syndrome. Pain. 1999 Oct;83(1):91-5. doi: 10.1016/s0304-3959(99)00076-7.
- Results publication: PubMed 19488550Couceiro TC, Menezes TC, Valenca MM. Post-mastectomy pain syndrome: the magnitude of the problem. Rev Bras Anestesiol. 2009 May-Jun;59(3):358-65. doi: 10.1590/s0034-70942009000300012. English, Portuguese.
- Results publication: PubMed 23580693Mejdahl MK, Andersen KG, Gartner R, Kroman N, Kehlet H. Persistent pain and sensory disturbances after treatment for breast cancer: six year nationwide follow-up study. BMJ. 2013 Apr 11;346:f1865. doi: 10.1136/bmj.f1865.
- Results publication: PubMed 22752881Bray F, Ren JS, Masuyer E, Ferlay J. Global estimates of cancer prevalence for 27 sites in the adult population in 2008. Int J Cancer. 2013 Mar 1;132(5):1133-45. doi: 10.1002/ijc.27711. Epub 2012 Jul 26.
- Results publication: PubMed 663696Wood KM. Intercostobrachial nerve entrapment syndrome. South Med J. 1978 Jun;71(6):662-3. doi: 10.1097/00007611-197806000-00016.
- Results publication: PubMed 19903919Gartner R, Jensen MB, Nielsen J, Ewertz M, Kroman N, Kehlet H. Prevalence of and factors associated with persistent pain following breast cancer surgery. JAMA. 2009 Nov 11;302(18):1985-92. doi: 10.1001/jama.2009.1568.
- Results publication: PubMed 21435953Andersen KG, Kehlet H. Persistent pain after breast cancer treatment: a critical review of risk factors and strategies for prevention. J Pain. 2011 Jul;12(7):725-46. doi: 10.1016/j.jpain.2010.12.005. Epub 2011 Mar 24.
- Results publication: PubMed 11579339Miguel R, Kuhn AM, Shons AR, Dyches P, Ebert MD, Peltz ES, Nguyen K, Cox CE. The effect of sentinel node selective axillary lymphadenectomy on the incidence of postmastectomy pain syndrome. Cancer Control. 2001 Sep-Oct;8(5):427-30. doi: 10.1177/107327480100800506.
- Results publication: PubMed 18585963Steegers MA, Wolters B, Evers AW, Strobbe L, Wilder-Smith OH. Effect of axillary lymph node dissection on prevalence and intensity of chronic and phantom pain after breast cancer surgery. J Pain. 2008 Sep;9(9):813-22. doi: 10.1016/j.jpain.2008.04.001. Epub 2008 Jun 30.
- Results publication: PubMed 23084155Glechner A, Wockel A, Gartlehner G, Thaler K, Strobelberger M, Griebler U, Kreienberg R. Sentinel lymph node dissection only versus complete axillary lymph node dissection in early invasive breast cancer: a systematic review and meta-analysis. Eur J Cancer. 2013 Mar;49(4):812-25. doi: 10.1016/j.ejca.2012.09.010. Epub 2012 Oct 17.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
APARNA S CHATTERJEE, MD,FCARCSI principal investigator
Tata Memorial Centre
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Pain Syndrome and Mastectomy, run by Tata Memorial Centre at 1 site in India.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 11 Sep 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in India. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Incidence of Post mastectomy pain syndrome (PMPS) (time frame: 6 months after surgery). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03067922, which also lists 10 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Sep 2019.