Radiotherapy quality assurance for mesorectum treatment planning within the multi-center phase II STAR-TReC trial: Dutch results

Table 1 Participating centers with corresponding planning parameters

Institute	TPS	Technique	Energy (MV)	Number of arcs/fields	Number of arcs/fields	Delivery efficiency	RTT experience (years)	Automated treatment planning
1	Pinnacle	AT	10	Dual full arc	2	Maximum delivery time 60 s	11	Yes, Pinnacle AutoPlanning^b
2	Pinnacle	AT	6	One or two full arcs^a	1 or 2^a	Maximum delivery time 60–90 s per arc	15	No
3	Pinnacle	AT	10	Two dual partial arcs	4	Maximum delivery time 160 s	0–20	Yes, Pinnacle AutoPlanning
4	Pinnacle	AT	10	Two dual partial arcs	4	Maximum delivery time 100 s	5	No
5	Eclipse	AT	10	Two full arcs	2	Maximum 3x prescribed dose in cGy for MU	10	No
6	Eclipse	AT	10	Two full arcs	2	Maximum 3x prescribed dose in cGy for MU	20	Yes, RapidPlan
7	Monaco	AT	10	Two partial arcs	2	Maximum 4x prescribed dose in cGy for MU	11	No
8	RayStation	IMRT	10	Five fields	5	Maximum 15 segments. Minimal segment area 35 cm², minimal 4 MU/segment	12	No

TPS treatment planning system, AT Arc Therapy, IMRT Intensity Modulated Radiotherapy, MU monitor units, RTT Radiotherapy Technologist
^aDepending on patient anatomy, ^bOnly for the replanning

ISSN: 1748-717X