KG‑BioPortal
Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
Home/ Graphs/CTO

CTO

OK

Clinical Trials Ontology

KGXBioPortal ontologyvVersion Release: 1.0.0
Download KGX View on BioPortal
Visibility: Public

A KGX transformation of the BioPortal ontology Clinical Trials Ontology (CTO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

447
Nodes
904
Edges
Version Release: 1.0.0
Version
2026-08-11
Transformed

Products & downloads

KGX
KGX nodes & edges
CTO.tar.gz

Contains CTO_nodes.tsv and CTO_edges.tsv. Releases are incremental, so this points at whichever release most recently rebuilt this ontology.

Per-node-type (Biolink category) lists aren't recorded in the index for transformed ontologies — each node carries a category column in the KGX download. Total nodes: 447.

Per-edge-type (predicate) lists aren't recorded in the index for transformed ontologies — each edge carries predicate and relation columns in the KGX download. Total edges: 904.