Trial of Tomotherapy in Breast Cancer

Status Active, not recruiting

Clinical Trial Summary

Tomotherapy is a new radiation therapy system that uses an integrated CT scanner during delivery of radiation treatment to improve the accuracy of the treatment. Furthermore the irradiation is delivered helicoidally allowing highly conformal shaping of dose distribution. However the magnitude of the clinical advantage of using the system in breast cancer is unknown. The purpose of the present study is to investigate whether or not the Tomotherapy can substantially reduce pulmonary and cardiac toxicities, as compared with conventional radiotherapy.

Clinical Trial Description

Prior to surgery: histological confirmation; medical imaging.

Localizing markers are placed in case of breast conserving surgery.

After surgery, patients are randomized to one of two treatment arms:

- Arm I: radiotherapy using tangential chest fields, and supraclavicular field in case of nodal involvement, according to our hospital's standard procedure (Voordeckers M et al, Radiother Oncol 2003;68:227 and 2004;70:225). Dose-fractionation: 50 Gy in 25 fractions over 5 weeks, 2 Gy/fraction. Additional boost 16 Gy in 8 fractions over 2 weeks if breast conserving surgery (verify marker/clip localization) and age <= 70 years.

- Arm II: radiotherapy using the Tomotherapy system. Target area (breast, thorax wall, nodal areas) delimited according to pre-operative imaging and pathological description. Dose-fractionation (adapted from Whelan T et al, JNCI 2002;94:1143): 42 Gy in 15 fractions over 3 weeks, 2.8 Gy/fraction. Simultaneous boost 0.6 Gy/fraction if breast conserving surgery.

Physics quality control is integrated during treatment in both arms.

Radiotherapy begins within 6 weeks after the last breast surgery. Concurrent or sequential adjuvant systemic treatments are allowed. In case of sequential adjuvant treatment with chemotherapy first, radiotherapy begins within 6 weeks after completion of the adjuvant chemotherapy.

Quality of life, arm mobility and edema, pulmonary and heart function are assessed prior to radiotherapy, at 1-3 months after completion of radiotherapy, then yearly. ;

Study Design

Related Conditions & MeSH terms

Breast Neoplasms

Clinical Trial Details

NCT number	NCT00459628
Study type	Interventional
Source	Vrije Universiteit Brussel
Contact
Status	Active, not recruiting
Phase	N/A
Start date	May 2007
Completion date	December 2017

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Trial of Tomotherapy in Breast Cancer — TomoBreast

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms