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Re-shaping the treatment plan to the anatomy of the day, using the images taken on the treatment couch, so the dose follows a shrinking tumour or a moving bladder.
Conventional radiotherapy delivers a plan drawn on one planning scan for the whole course, even though tumours shrink, weight changes and organs move. Adaptive radiotherapy re-contours and re-optimises the plan, either between sessions (offline) or on the couch in minutes (online) using cone-beam CT or MRI with AI-driven contouring. The MR-linac and CT-based systems such as Ethos made daily online adaptation practical from around 2019, and trials in bladder, cervix, head and neck and lung cancer are testing whether the tighter margins reduce side effects.
Daily imaging, automated re-contouring and rapid re-optimisation produce a new plan matched to that day's anatomy before the beam is delivered.
Nothing in the corpus depends on this yet.
Dependencies are what this technology cannot be delivered without: manufacturing steps, instruments, software, upstream methods. See its full chain on the map.
Query for this technology: (TITLE:"Adaptive radiotherapy" OR ABSTRACT:"Adaptive radiotherapy" OR TITLE:"online replanning" OR ABSTRACT:"online replanning") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Adaptive radiotherapy (online replanning), not a curated reading list.
Shares GTV, CTV and PTV (target volumes), Organs at risk and dose constraints, Ring-gantry linacs (Halcyon, Ethos), Radiotherapy treatment planning and QA software and the tag radiation-wave1.
Shares Oncology information and record-and-verify systems (ARIA, MOSAIQ), Radiotherapy treatment planning and QA software, IMRT / IGRT (modern external beam) and the tag radiation-wave1.
Shares Dose painting and biologically guided radiotherapy and the tag radiation-wave1.
Shares Ring-gantry linacs (Halcyon, Ethos) and the tag radiation-wave1.
Shares MR-guided adaptive radiotherapy, IMRT / IGRT (modern external beam) and the tag radiation-wave1.
Shares Laryngeal and hypopharyngeal cancer, IMRT / IGRT (modern external beam) and the tag radiation-wave1.
Shares IMRT / IGRT (modern external beam) and the tag radiation-wave1.
Shares IMRT / IGRT (modern external beam) and the tag radiation-wave1.
Open-source projects that implement or serve this technology, from OnCo's own catalogue: licence and last activity as the repository reported them on the day of the fetch. Listing is not endorsement; check the licence before reuse and the validation before clinical use.
Code from the SynthRAD challenge on synthesising CT from MRI and CBCT for MR-only and adaptive radiotherapy.
Commercial and regulated products that serve this technology. Each card says what is behind it: a regulator's database, the literature, a public body's list, or only the company's own words. Listing is not endorsement, and a clearance is a regulatory fact, not a clinical one.
The planning and adaptation software behind online adaptive radiotherapy, which re-plans on the day's image while the patient is on the couch.
Elekta's bundle of planning, delivery and information software sold as one environment, with MOSAIQ as its record layer.
Image registration and dose accumulation software used to bring prior imaging and prior dose into a new plan.