Radiation Therapy
Treatment for Breast cancer
Typical Dosage: Typically 40-50 Gy in 15-25 fractions, or hypofractionated regimens
Effectiveness
75%
Safety Score
25%
Clinical Trials
1,471
Participants
120K
Comparative Safety Scale(Higher is safer)
Cyanide☠️
Meth💀
Cigarettes🚬
Chemo☢️
Alcohol🍺
Morphine💊
Antibiotics💉
Tylenol💊
Exercise🏃
Water💧
25
DangerousModerateSafe
Treatment Details
Dosage Range
Typically 40-50 Gy in 15-25 fractions, or hypofractionated regimens
Time to Effect
Weeks to months post-treatment
Treatment Duration
3-6 weeks
Evidence Quality
HIGHNumber Needed to Treat (NNT)
10(Treat 10 patients to see 1 additional successful outcome)
Number Needed to Harm (NNH)
5(Treat 5 patients to see 1 additional serious adverse event)
Confidence Score
95%confidence in effectiveness data
Health Economics
Annual Cost of Care
Drug Cost:$0
Monitoring:$2,000
Side Effect Mgmt:$1,000
Total Annual:$60,000
Cost-Effectiveness Analysis
Cost-Effectiveness Rating
GOODICER
$60,000/QALY
QALYs Gained
0.8
Outcome-Based Costs
Cost per Responder
$75,000
Cost per Remission
$120,000
Radiation Therapy Outcomes
for Breast cancer
Efficacy Outcomes
Overall Effectiveness
+75%
Response Rate
+80%
Remission Rate
+50%
Common Side Effects
Skin irritation/redness
+85%
Fatigue
+70%
Breast pain/swelling
+50%
Lung inflammation (radiation pneumonitis)
+5%
Lymphedema
+10%
WARNING: LIMITED TRIALS AVAILABLE
You can search for trials, but you probably can't join any because the 1% Treaty hasn't passed yet. Most trials are severely limited by lack of funding and bureaucratic barriers. Help change this!
Active Clinical Trials
11 active trials recruiting for Radiation Therapy in Breast cancer
Partial Breast Re-irradiation for Breast Cancer
NCT06954623RECRUITINGNA
20 participants
INTERVENTIONAL
Heidelberg, Germany
Started: Aug 28, 2025
Hypofractionated Online Adaptive Radiotherapy of Breast Cancer
NCT06568705RECRUITINGPHASE2
40 participants
INTERVENTIONAL
Beijing, China
Started: Sep 1, 2024
Repeat Breast Conserving Surgery Followed by Daily Partial Breast Irradiation in Ipsilateral Breast
NCT06129747RECRUITINGPHASE2
55 participants
INTERVENTIONAL
Cleveland, United States +1 more
Started: Nov 30, 2023
Omission of Local Therapies in Women Patients With HER2-positive or Triple-negative Breast Cancer
NCT06938724RECRUITINGPHASE2
152 participants
INTERVENTIONAL
Milan, Italy
Started: Jul 25, 2025
5 vs. 9-day Course of Whole Breast Radiotherapy With Boost for Early-stage Breast Cancer
NCT06961955RECRUITINGPHASE2
144 participants
INTERVENTIONAL
Salt Lake City, United States
Started: May 21, 2025
Efficacy and Safety of Ultra_HYPofractionated RadiotHerapy in Women With BrEast CaNcer Receiving Regional Nodal Radiation vs Nodal Moderate Hypofractionated Radiotherapy
NCT05665920RECRUITINGNA
36 participants
INTERVENTIONAL
São Paulo, Brazil
Started: Oct 18, 2022
Hypofractionated LocoRegional Radiotherapy in Breast Cancer
NCT04228991ACTIVE NOT RECRUITINGPHASE3
588 participants
INTERVENTIONAL
Calgary, Canada +19 more
Started: Feb 10, 2021
Temporal Immunologic Changes With Hypofractionated Radiation-Induced DNA Damage in Breast Cancer
NCT05406232RECRUITING
20 participants
OBSERVATIONAL
Houston, United States
Started: Sep 15, 2023
Real-Time MRI-Guided 3-Fraction Accelerated Partial Breast Irradiation in Early Breast Cancer
NCT03936478RECRUITINGPHASE2
30 participants
INTERVENTIONAL
Madison, United States
Started: May 16, 2022
SBRT in Early Breast Cancer in Elderly Women
NCT05071105RECRUITINGNA
30 participants
INTERVENTIONAL
Rome, Italy
Started: Jan 1, 2021
Study of Radiation Fractionation on Patient Outcomes After Breast REConstruction (FABREC) for Invasive Breast Carcinoma
NCT03422003ACTIVE NOT RECRUITINGNA
400 participants
INTERVENTIONAL
San Francisco, United States +14 more
Started: Apr 1, 2018
Completed Clinical Trials
4 completed trials for Radiation Therapy in Breast cancer
Three Dimensional (3D) Ultrasound in Predicting Response to Breast Cancer Therapies
NCT00721903COMPLETEDNA
88 participants
INTERVENTIONAL
Ann Arbor, United States
Started: Mar 1, 2000
Adjuvant Hypofractionated Intensity-Modulated Radiation Therapy With Incorporated Boost in Treating Patients With Early-Stage Breast Cancer
NCT00084539COMPLETEDPHASE2
78 participants
INTERVENTIONAL
Philadelphia, United States
Started: Nov 1, 2003
Cytokine Expression During Radiation for Breast Cancer
NCT00836186COMPLETEDNA
82 participants
INTERVENTIONAL
Baltimore, United States +1 more
Started: Nov 13, 2009
Shorter Course Radiation for the Treatment of Breast Cancer That Has Spread to Lymph Nodes
NCT02700386COMPLETEDPHASE2
108 participants
INTERVENTIONAL
Aurora, United States +2 more
Started: Aug 11, 2016
Showing 20 of 1520 total trials