- Conditions
- Advanced Malignant Solid Neoplasm, Carcinoma of Unknown Primary, Metastatic Adrenal Gland Pheochromocytoma, Metastatic Kidney Medullary Carcinoma, Metastatic Malignant Germ Cell Tumor, Metastatic Malignant Solid Neoplasm, Metastatic Paraganglioma, Metastatic Penile Carcinoma, Metastatic Skin Squamous Cell Carcinoma, Small Cell Carcinoma, Stage III Adrenal Cortex Carcinoma AJCC v7, Stage IV Adrenal Cortex Carcinoma AJCC v7, Stage IV Penile Cancer AJCC v7, Stage IV Renal Cell Cancer AJCC v7, Unresectable Adrenal Gland Pheochromocytoma, Unresectable Paraganglioma, Unresectable Skin Squamous Cell Carcinoma, Unresectable Solid Neoplasm, Vascular Neoplasm
- Interventions
- Laboratory Biomarker Analysis, Pembrolizumab, Questionnaire Administration
- Other · Biological
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 157 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2028
- U.S. locations
- 1
- States / cities
- Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 21, 2026, 7:24 PM EDT