Malignant testicular Leydig cell tumor

MONDO:0003737

A Leydig cell tumor characterized by a large size, cellular atypia, high mitotic activity, vascular invasion and necrotic changes. The prognosis is usually poor.

Also known as: testicular Leydig cell tumor, malignant

2740 clinical trials for this condition and its sub-types, 1 tagged with Malignant testicular Leydig cell tumor itself.

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Where it sits in the disease tree

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↑ Testicular cancer (90) ↑ Malignant Leydig cell tumor (1) ↑ Testicular Leydig cell tumor (1)

Including sub-types (2740) Tagged with Malignant testicular Leydig cell tumor (1)

Trials to join now! 1

New hope for rare cancers: Triple-Drug attack shows promise

Disease control Recruiting now

This phase II trial is testing whether a combination of three drugs—cabozantinib, nivolumab, and ipilimumab—can shrink or slow the growth of rare genitourinary cancers that have spread. About 314 adults with these uncommon tumors will receive the drugs. The goal is to see if the …

Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control

Last updated Sep 21, 2026 19:00 UTC

Malignant testicular Leydig cell tumor

Where it sits in the disease tree

New hope for rare cancers: Triple-Drug attack shows promise