Trial Evaluating Role of Post Mastectomy Radiotherapy in Women With Node Negative Early Breast Cancer

NCT ID: NCT02992574

Last Updated: 2025-04-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

1022 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-05-27

Study Completion Date

2033-12-31

Brief Summary

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Postmastectomy radiotherapy (PMRT) is unequivocally beneficial in reducing the recurrences as well as improving survival in node positive breast cancer patients. PMRT for women with T1-T2 tumors and negative axillary nodes is not generally warranted because of the presumed low risk of recurrence in this population as a whole. However, in the setting of multiple adverse prognostic factors, the recurrence risk approaches and in some cases surpasses the risk of recurrence documented for patients with one to three positive lymph nodes. Numerous retrospective series have reported the outcome and patterns of failure for post-mastectomy patients treated without radiation. Many of these series have analyzed several high risk factors which were predictive of loco-regional recurrence wherein the role of adjuvant post-mastectomy radiation can be considered. Some authors have used combinations of prognostic factors, such as age, tumour size, grade, receptor status, Her2neu status and lympho-vascular space invasion to define subgroups with more specific risks of loco-regional recurrence than single factors alone. The current trial hypothesizes that "Post-mastectomy radiation in high risk, node negative early breast cancer patients decreases rates of loco-regional recurrence and improves disease free survival" and propose to address the question in randomized setting.

Detailed Description

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Conditions

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Breastcancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Arm Experimental Post Mastectomy Radiotherapy Arm No Intervention: No Post Mastectomy Radiotherapy
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Post Mastectomy Radiation Therapy (PMRT)

Post mastectomy radiotherapy will be given

Group Type EXPERIMENTAL

Post Mastectomy Radiation therapy

Intervention Type RADIATION

Post mastectomy radiotherapy to the chest wall and ipsilateral supra-clavicular fossa to a dose of 40 Gy in 15 fractions over 3 weeks

Observation (No PMRT)

No adjuvant radiotherapy will be given.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Post Mastectomy Radiation therapy

Post mastectomy radiotherapy to the chest wall and ipsilateral supra-clavicular fossa to a dose of 40 Gy in 15 fractions over 3 weeks

Intervention Type RADIATION

Other Intervention Names

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PMRT

Eligibility Criteria

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Inclusion Criteria

* Women with unilateral pT1,2N0M0 breast cancer or multifocal breast cancer if largest discrete tumour at least 2cm or if the tumour area comprises multiple small adjacent foci of invasive carcinoma then overall maximum dimension taken. This must be greater than 2cm.
* Upfront total mastectomy (with minimum 1 mm margin clear of invasive cancer or DCIS) and axillary staging procedure (clearance, sampling or SNB)
* T2 tumors with one risk factor or T1 tumors with any of the following two high risk factors such as presence of high grade, lymphovascular invasion, ER/PR negative, HER2 positivity, age \< 35 years.
* Fit to receive adjuvant radiation +/- chemotherapy (if indicated) +/- hormonal therapy (if indicated)
* Written, informed consent

Exclusion Criteria

* Any pTis/3/4, M1 patients
* Patients who have any pathologically involved axillary nodes (micro-metastasis may be allowed)
* Patients who have undergone neoadjuvant systemic therapy.
* Previous or concurrent malignancy other than non melanomatous skin cancer and carcinoma in situ of the cervix
* Pregnancy
* Bilateral breast cancer
* Not fit for surgery, radiotherapy or adjuvant systemic therapy
* Unable or unwilling to give informed consent
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Tata Memorial Centre

OTHER

Sponsor Role lead

Responsible Party

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Dr. Tabassum Wadasadawala

Associate Professor, Radiation Oncology

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Tabassum Wadasadawala, MBBS,MD,DNB

Role: PRINCIPAL_INVESTIGATOR

Assistant Professor, Radiation Oncology, Tata Memorial Centre

Locations

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Post Graduate Institute of Medical Education & Research

Chandigarh, Chandigarh, India

Site Status RECRUITING

Kolhapur Cancer Centre Pvt Ltd

Kolhāpur, Maharashtra, India

Site Status NOT_YET_RECRUITING

Tata Memorial Centre

Mumbai, Maharashtra, India

Site Status RECRUITING

Max Super Speciality Hospital, Shalimar Bagh

Delhi, National Capital Territory of Delhi, India

Site Status NOT_YET_RECRUITING

Max Super Speciality Hospital(A unit of Devki Devi Foundation)

New Delhi, National Capital Territory of Delhi, India

Site Status NOT_YET_RECRUITING

All India Institute of Medical Sciences

New Delhi, National Capital Territory of Delhi, India

Site Status NOT_YET_RECRUITING

Bhagwan Mahaveer Cancer Hospital and Research Centre

Jaipur, Rajasthan, India

Site Status NOT_YET_RECRUITING

Countries

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India

Central Contacts

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Tabassum Wadasadawala, MBBS,MD,DNB

Role: CONTACT

02227405078

Facility Contacts

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Budhi S Yadav, MBBS,MD

Role: primary

9815981176

Yogesh Anap, MBBS,MD,DNB

Role: primary

9420635556

Tabassum Wadasadawala, MBBS,MD,DNB

Role: primary

02227405078

Vineeta Goel, MBBS, DNB

Role: primary

9818045469

Anil K Anand, MBBS,MD

Role: primary

9810398838

Ritesh Kumar, MBBS, MD

Role: primary

9953774134

Nidhi Patni, MBBS,MD

Role: primary

9828052239

Other Identifiers

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CTRI/2016/12/007532

Identifier Type: REGISTRY

Identifier Source: secondary_id

1602

Identifier Type: -

Identifier Source: org_study_id

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