CARDIAC and LUNG dose reduction using DEEP INSPIRATION BREATH HOLD in left breast cancer irradiation (a dose comparison study based on CT image registration).

Status

Active, not recruiting

Phases

Phase 3

Study type

Observational

Source

TCTR

Registry ID

TCTR20180125001

Enrollment

Registered

2018-01-25

Start date

2018-02-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Heart &#44

Interventions

Left breast cancer patients undergone ct simulation in free breath position.,Left breast cancer patients undergone ct simulation in deep inspiration breath hold position.

Prevention,Prevention

Free breath group,Deep inspiration breath hold group

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Left breast cancer who can do full inspiration.

Exclusion criteria

Exclusion criteria: 1 Major medical or psychiatric illness that would affect to the outcome, completion of therapy, the follow up and without potential in understand the side effects and risks of the therapy. 2 Hearing loss patient who can't command the deep inspiration instruction.

Design outcomes

Primary

Measure	Time frame
Mean heart dose(gy) 2years Two tailed pair t test	—

Secondary

Measure	Time frame
Mean LAD dose after finish of planning and calculate dose collection Two tailed pair t test,V20 and v40 heart dose after finish of planning and calculate dose collection Two tailed pair t test,Mean lung dose after finish of planning and calculate dose collection Two tailed pair t test,Lung dose v20 after finish of planning and calculate dose collection Two tailed pair t test	—

Contacts

Public ContactPitchaya Sakyanun

King Chulalongkorn memorial hospital

Sakyanun.pitchaya@gmail.com0830740814

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026