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NCT Number: NCT04749446

Study on Clinical Features and Outcomes of Breast Sarcoma

This is multi-institutional retrospective study in order to identify the most relevant clinical characteristics, treatment strategies, to explore the impact on principal clinical outcomes and finally, to suggest some principles for management and treatment of breast sarcomas.

The study will collect data about patients affected by breast sarcoma referred to participating Institutions between January 2000 and June 2020

Recruiting

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Key information

Conditions

Age range

19 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Azienda Ospedaliera S. Orsola-Malpighi, Bologna, BO, Italy

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About this study

In the field of soft tissue sarcomas, breast sarcomas are a truly peculiar family of rare tumors for both their clinical history and biology of disease.

Surgery (if feasible) is the main therapeutic approach for all the patients with localized disease, while a pharmacological (chemotherapeutic) and/or radiotherapeutic treatment is reserved to those with high-risk/recurrent-relapsing/metastatic disease.

Unfortunately, there is a lack of specific prospective trials in breast sarcoma to guide the clinical decision-making and breast sarcoma patients are often sent to sarcoma referral centers only after surgery Due to sarcoma-specific clinical features, it is clear that both diagnostic and clinical strategies mandate a different approach compared to epithelial tumors. This is of key importance to reach the correct diagnosis, design the best therapeutic decision-making and subsequent follow-up.

Even if retrospective data limitations and biases, in the lack of prospective data collection, these data may be a unique and precious source of information For this reasons this multi-institutional retrospective study is aimed to identify the most relevant clinical characteristics, treatment strategies, to explore the impact on principal clinical outcomes and finally, to suggest some principles for management and treatment of breast sarcomas.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • >18 years at diagnosis
  • primary or secondary breast sarcoma
  • availability of medical data needed for the study (histopathological data, surgery, chemotherapy, including preceding chemotherapeutic regimens for secondary breast sarcomas, radiation therapy)

Exclusion criteria

  • sarcoma metastases to the breast
  • chest wall sarcomas not arising in the mammary gland
  • cutaneous sarcomas

Treatment and study plan

Treatment of Breast Sarcoma according clinical practice (includes drugs, surgery or any other received treatments)

Other

This observational study collects all the treatments received by the patients according clinical practices or experimental trials and therefore includes drug/biological/surgical and any other applicable treatments

Reorder Outcome Measures

Primary outcomes

  1. Treatments received for breast sarcoma

    Time frame: At diagnosis (baseline) and after 6, 12, 18, 24, 36, 48 and 60 weeks

    To describe treatment that patient diagnosed with breast sarcoma, received

  2. Number of patients with primary breast sarcoma

    Time frame: Through study inclusion period, an average of 20 years

    Number of patient with a diagnosis of primary breast sarcoma

Secondary outcomes

  1. Number of patients with primary breast sarcoma symptoms

    Time frame: Through study inclusion period, an average of 20 years

    Number of patients with primary breast sarcoma symptoms

  2. Local-regional Relapse Free Survival (LRFS)

    Time frame: Every 3 months (Month 3, Month 6, Month 9...) up to 5 years

    Time elapsed form the treatment (any) start and the onset of Local-regional relapse

  3. Progression Free Survival (PFS)

    Time frame: Every 3 months (Month 3, Month 6, Month 9...) up to 5 years

    Time elapsed form the treatment (any) start and the onset of progression

  4. Overall Survival (OS)

    Time frame: at 5 years

    Time elapsed for the diagnosis to the death for any cause

  5. Median time of secondary breast sarcoma presentation

    Time frame: Up to 3 years

    To define the median time to secondary sarcoma presentation

  6. Impact of upfront multidisciplinary tumor board consultation

    Time frame: Up to 3 years

    To describe the impact of upfront multidisciplinary tumor board consultation on outcomes

Sponsors and collaborators

Lead sponsor

Italian Sarcoma Group

Network

Registry information

Official study title

Breast Sarcomas: A Retrospective Analysis of Clinical Features and Outcomes

Acronym: Breast-Sarc

Important dates

Study start
2021
Primary completion
2026
Study completion
2026
First posted
Feb 11, 2021
Registry last updated
Jan 2, 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.