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NCT05580562 · ACTION

ONC201 in H3 K27M-mutant Diffuse Glioma Following Radiotherapy (the ACTION Study)

Registered research study with 10 identifiable England locations. See source dates, location-specific recruitment and the original study record.

Study facts

Conditions recorded
H3 K27M; Glioma
Lead sponsor
Jazz Pharmaceuticals
Study type
Interventional
Overall status
Recruiting · this can differ by location
Age range in the record
Not specified to Not specified
Sex eligibility field
All
Healthy volunteers accepted
No, according to the record
Phase
Phase3
Study record last updated
16 April 2026
Study team last verified status
2026-04

These fields are a starting point. Eligibility can include diagnosis, treatment history and other criteria shown only in the complete source record. A registry entry does not establish treatment effectiveness.

England study locations

A location is reproduced as named in the study record. A source map point can represent a town; it is not used here as a hospital entrance or to identify a care provider.

Location in the sourceLocal recruitment statusGeographic connection
Addenbrooke's Hospital

Cambridge · CB2 0QQ

RecruitingCare in Cambridge

England postcode

Clatterbridge Cancer Centre - Liverpool

Liverpool · L7 8YA

RecruitingCare in Liverpool

England postcode

The Christie NHS Foundation Trust

Manchester · M20 4BX

RecruitingCare in Manchester

England postcode

The Royal Marsden in Sutton, Surrey

Sutton · SM2 5PT

RecruitingCare in Sutton

England postcode

Royal Victoria Infirmary

Newcastle upon Tyne · NE1 4LP

RecruitingCare in Newcastle upon Tyne

England postcode

Freeman Hospital

Newcastle upon Tyne · NE7 7DN

RecruitingCare in Newcastle upon Tyne

England postcode

St James University Hospital

Leeds · LS9 7TF

RecruitingCare in Leeds

England postcode

The Leeds Teaching Hospitals NHS Trust, Leeds General Infimary

Leeds · LS1 3EX

RecruitingCare in Leeds

England postcode

Guy's Hospital

London · SE19RT

RecruitingCare in Southwark

England postcode

Churchill Hospital

Oxford · Ox3 7LE

RecruitingCare in Oxford

England postcode

Questions for the research team

  • Is this exact location currently enrolling participants, and do my circumstances meet the full criteria?
  • What visits, tests, possible risks and follow-up would participation involve?
  • Are travel costs or accessibility arrangements available?
  • How would participation affect my usual care, and what happens if I withdraw?

Source: ClinicalTrials.gov, a United States Government database. Contains OS data © Crown copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2024; ONS country boundaries (December 2024).

Source processed: 2026-09-10 09:00:04 UTC. Retrieved: 10 September 2026. ClinicalTrials.gov terms.

How we selected and connected these records

Selected registered studies with an overall status of Recruiting or Not yet recruiting and at least one England location established by postcode, recorded nation, or source coordinates within the ONS December 2024 boundary. Retained structured fields; omitted descriptions, eligibility text, contacts and non-England locations. Deduplicated identical locations. Linked local care areas only by exact postcode geography. Location points are used for nation filtering, not directions or facility matching.