Optic pathway glioma

MONDO:0016167

Optic pathway glioma (OPG) is a benign tumor that develop along the optic nerve (chiasm, tracts, and radiations) characterized by impairment or loss of vision and may be accompanied by diencephalic symptoms such as reduced growth and alteration in sleeping patterns. OPG are often linked to neurofibromatosis type 1 (NF1).

Also known as: glioma of optic tract, glioma of the optic tract, glioma of the visual pathway, glioma of visual pathway, optic pathway glioma, optic tract glioma, visual pathway glioma

1536 clinical trials for this condition and its sub-types, 11 tagged with Optic pathway glioma itself.

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Where it sits in the disease tree

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Part of

↑ Glioma (1160) ↑ Brain neoplasm (1077) ↑ Visual pathway disorder (201) ↑ Tumor of cranial and spinal nerves (129)

Sub-types of Optic pathway glioma

Optic nerve glioma 2 trials · 3 incl. sub-types
2 sub-types
- Childhood optic nerve glioma 1 trial
- Optic nerve astrocytoma 0 trials
Optic tract astrocytoma 0 trials
2 sub-types
- Childhood optic tract astrocytoma 0 trials
- Optic nerve astrocytoma 0 trials

Including sub-types (1536) Tagged with Optic pathway glioma (11)

Trials to join now! 1 Not yet recruiting 1 Not yet finished but already full! 7 Completed 2

Brain tumor or aneurysm first? study weighs the safer sequence

Knowledge-focused Not yet recruiting

Researchers are observing patients in China who have both a tumor in the sellar region of the brain and an unruptured intracranial aneurysm. The study compares three approaches: removing the tumor before treating the aneurysm, treating the aneurysm before removing the tumor, or r…

Sponsor: Cheng sen • Aim: Knowledge-focused

Last updated Sep 11, 2026 00:00 UTC

Optic pathway glioma

Where it sits in the disease tree

Brain tumor or aneurysm first? study weighs the safer sequence