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Clinical Research Directory

Browse clinical research sites, groups, and studies.

8 clinical studies listed.

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Carcinoma of Unknown Primary

Tundra lists 8 Carcinoma of Unknown Primary clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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ACTIVE NOT RECRUITING

NCT01366144

Veliparib, Paclitaxel, and Carboplatin in Treating Patients With Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery and Liver or Kidney Dysfunction

This phase I trial studies the side effects and the best dose of veliparib when given together with paclitaxel and carboplatin in treating patients with solid tumors that are metastatic or cannot be removed by surgery and liver or kidney dysfunction. Veliparib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as paclitaxel and carboplatin, work in different ways to stop the growth of tumor cells either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving veliparib together with paclitaxel and carboplatin may kill more tumor cells.

Gender: All

Ages: 18 Years - Any

Updated: 2026-04-09

12 states

Breast Carcinoma
Carcinoma of Unknown Primary
Endometrial Carcinoma
+11
RECRUITING

NCT04475640

Cancer Genetic Testing in Ethnic Populations

This clinical trial examines the integration of cancer genetic testing in various ethnic populations. Studying individuals and families at risk of cancer may help identify cancer genes and other persons at risk. The information from this study may provide an opportunity for cancer risk stratification and individualized screening in these ethnic populations.

Gender: All

Ages: 18 Years - Any

Updated: 2026-04-02

2 states

Breast Carcinoma
Carcinoma of Unknown Primary
Central Nervous System Carcinoma
+8
ACTIVE NOT RECRUITING

NCT02721732

Pembrolizumab in Treating Patients With Rare Tumors That Cannot Be Removed by Surgery or Are Metastatic

This phase II trial studies how well pembrolizumab works in treating patients with rare tumors that cannot be removed by surgery or have spread to other parts of the body. Monoclonal antibodies, such as pembrolizumab, may block specific proteins found on white blood cells which may strengthen the immune system and control tumor growth.

Gender: All

Ages: 18 Years - Any

Updated: 2026-01-29

1 state

Advanced Malignant Solid Neoplasm
Carcinoma of Unknown Primary
Metastatic Adrenal Gland Pheochromocytoma
+16
RECRUITING

NCT03010150

Blood Tests and Questionnaires in Studying Adherence to Preventative Swallowing Exercises in Participants With Metastatic Head and Neck Cancer

This trial uses blood tests and questionnaires to study how well participants with head and neck cancer that has spread to other places in the body adhere to swallowing exercises to prevent future disease. Using blood tests to study cytokines (proteins related to the immune system) may help doctors learn if certain levels of cytokines affect whether or not side effects occur and if they put participants at risk for future disease. Questionnaires may help doctors learn about the reasons head and neck cancer participants may or may not follow the swallowing exercises that they are asked to perform after receiving radiation treatments.

Gender: All

Ages: 18 Years - Any

Updated: 2025-11-03

1 state

Carcinoma of Unknown Primary
Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8
Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8
+28
RECRUITING

NCT05461430

Mass Response of Tumor Cells as a Biomarker for Rapid Therapy Guidance (TraveraRTGx)

The primary objective of this study, sponsored by Travera Inc. in Massachusetts, is to validate whether the mass response biomarker has potential to predict response of patients to specific therapies or therapeutic combinations using isolated tumor cells from various specimen formats including malignant fluids such as pleural effusions and ascites, core needle biopsies, fine needle aspirates, or resections.

Gender: All

Ages: 18 Years - Any

Updated: 2025-09-15

1 state

Pleural Effusion, Malignant
Ascites, Malignant
Carcinoma
+29
ACTIVE NOT RECRUITING

NCT03391973

Pembrolizumab in Patients With Poor-Prognosis Carcinoma of Unknown Primary Site (CUP)

Abbreviated Title: Pembrolizumab in Patients with Poor-Prognosis Carcinoma of Unknown Primary Site (CUP) Trial Phase: 2 Clinical Indication: Treatment naïve patients with poor prognosis carcinoma of unknown primary site Trial Type: Single arm phase 2 Type of control: Not applicable Route of administration: Intravenous Trial Blinding: Not applicable Treatment Groups: 1) Pembrolizumab 200 mg IV every 3 weeks for up to 24 months. Total Number of trial subjects:25 Estimated enrollment period: 24 months Estimated duration of trial: 48 months Duration of Participation: 24 months

Gender: All

Ages: 18 Years - Any

Updated: 2025-04-25

2 states

Carcinoma of Unknown Primary
ACTIVE NOT RECRUITING

NCT04802876

Efficacy of Tislelizumab and Spartalizumab Across Multiple Cancer-types in Patients with PD1-high MRNA Expressing Tumors

This is an open-label, parallel group, non-randomized, multicenter phase II study to evaluate the efficacy of spartalizumab (cohorts 1 and 2) and tislelizumab (cohort 3) in monotherapy in patients with PD1-high-expressing tumors.

Gender: All

Ages: 18 Years - Any

Updated: 2025-03-21

MSI-H Colorectal Cancer
Melanoma
Anal Carcinoma
+28
RECRUITING

NCT03740503

Genomic Investigation of Unusual Responders

Studies have shown that tumors from the same patient may respond very differently to the same therapeutic agents. This study aims to investigate the genetic basis of tumors that respond abnormally well or poorly to therapeutic agents in an effort to understand the fundamental genetic basis of this response. The present protocol seeks to retrospectively perform Exome, next-generation (DNA) sequencing and/or other molecular techniques on tumor samples to identify the genetic basis of a patient's exceptional response to chemotherapy.

Gender: All

Ages: 18 Years - Any

Updated: 2025-01-31

1 state

Cancer
Breast Cancer
Non-small Cell Lung Cancer
+8