Treatment planning techniques in pelvic irradiated patients.

Treatment planning techniques in pelvic irradiated patients. Comparison between 3D conformal and IMRT treatment planning techniques in supine and prone position in patients who receive pelvic irradiation.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON22364

Enrollment

Registered

2010-10-04

Start date

2010-10-01

Completion date

Unknown

Last updated

2024-02-28

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

Conditions

DVH, radiotherapy, prone position, belly board, gynaecologic tumor, rectal cancer, small bowel, toxicity, organs at risk, IMRT DVH, radiotherapie, buikligging, gynaecologische tumor, rectumcarcinoom, dunne darm, toxicity, risico organen.

Interventions

One extra CT scan before start radiotherapy.

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients who are referred to our Radiotherapy department for pelvic irradiation for a gynaecologic or rectal malignancy; 2. Patients should be able to lie in prone position on a belly-board.

Exclusion criteria

Exclusion criteria: 1. Unable to lie on a belly-board; 2. Allergic to iv-contrast; 3. Kidney failure (calculated GFR < 60ml/min); 4. Need for irradiation of the para-aortic lymph nodes.

Design outcomes

Primary

Measure	Time frame
1. Coverage of the PTV; 2. Dmean of the small bowel (mean dose in the small bowel); 3. V15 and V45 of the small bowel (volume of the small bowel which receives respectively 15 and 45Gy).	—

Secondary

Measure	Time frame
1. Dmean of the bladder, kidneys, sigmoid and, in case of gynaecologic patients, rectal wall; 2. V25, V30, V35, V40 and V50 of the small bowel (volume which receives respectively 25, 30, 35, 40 and 50 Gy).	—

Contacts

Public ContactG.H. Westerveld

Meibergdreef 9

g.h.westerveld@amc.uva.nl

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)