Status:

COMPLETED

Radiotherapy in IDH Mutated Glioma: Evaluation of Late Outcomes

Lead Sponsor:

Erasmus Medical Center

Collaborating Sponsors:

HollandPTC

Amsterdam University Medical Center

Conditions:

Astrocytoma, Grade II

Astrocytoma, Grade III

Eligibility:

All Genders

18+ years

Brief Summary

Rationale: Standard postoperative treatment of isocitrate dehydrogenase 1/2 mutated grade 2 and 3 glioma (IDHmG) consists of radiotherapy and chemotherapy. The improving prognosis of these patients le...

Eligibility Criteria

Inclusion

  • Histologically confirmed glioma, World Health Organisation (WHO) grade 2 or 3, IDH mutated
  • Indication for standard treatment with radiotherapy and chemotherapy. For WHO grade 2 tumors 50.4 Gy relative biological equivalent (RBE) in 28 fractions. For WHO grade 3 tumors 59.4 Gy (RBE) in 33 fractions.
  • Ability to comply with the protocol, including neuropsychological testing and imaging.
  • Ability to understand the requirements of the study and to give written informed consent, as determined by the treating physician.
  • Written informed consent.

Exclusion

  • Any prior chemotherapy for IDHmG. This includes upfront postoperative chemotherapy.
  • Any prior cranial radiotherapy, including but not limited to radiotherapy for IDHmG.
  • Prior invasive malignancy, except non-melanoma skin cancer, completely resected cervical or prostate cancer (with current prostate specific antigen (PSA) of less than or equal to 0.1 ng/mL).
  • Extensive white matter disease visible on pre-therapy imaging (Fazekas grade ≥2)
  • Contra-indication for magnetic resonance (MR) imaging (i.e. metal implants, claustrophobia)
  • Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule in the participating hospitals
  • Any other serious medical condition that could interfere with follow-up.
  • Severe aphasia or language barrier interfering with assessing endpoints (i.e. completion of questionnaires or neurocognitive performance)

Key Trial Info

Start Date :

December 10 2019

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

June 15 2024

Estimated Enrollment :

80 Patients enrolled

Trial Details

Trial ID

NCT04304300

Start Date

December 10 2019

End Date

June 15 2024

Last Update

October 15 2024

Active Locations (5)

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Page 1 of 2 (5 locations)

1

Erasmus MC

Rotterdam, South Holland, Netherlands, 3015 CE

2

Amsterdam UMC

Amsterdam, Netherlands, 1081 HV

3

HollandPTC

Delft, Netherlands, 2629 JH

4

Leiden University Medical Center

Leiden, Netherlands, 2333 ZA