Clinical Trials at Mercy Hospital South

As of June 2026, 85 paid clinical trials are recruiting at Mercy Hospital South, located at 10114 KENNERLY RD, ST LOUIS, MO 63128-2183, phone (314) 525-1000 in St Louis, Missouri. Compensation typically covers time, travel, and study visits — most studies also offer study-related medical care at no cost to participants.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 12, 2026.

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85 clinical trials at Mercy Hospital South

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Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab

for Anatomic Stage II Breast Cancer AJCC v8

820 locations incl. Birmingham

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT05812807·Phase 3·Recruiting

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Comparing Combinations of Targeted Drugs for Advanced Non-Small Cell Lung Cancer That Has EGFR and MET Gene Changes (A Lung-MAP Treatment Trial)

for Recurrent Lung Non-Small Cell Carcinoma

454 locations incl. Daphne

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT05642572·Phase 2·Recruiting

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Targeted Therapy Directed by Genetic Testing in Treating Patients With Locally Advanced or Advanced Solid Tumors, The ComboMATCH Screening Trial

for Advanced Malignant Solid Neoplasm

475 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: All ages

Code: NCT05564377·Phase 2·Recruiting

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Testing the Addition of Stereotactic Radiation Therapy With Immune Therapy for the Treatment of Patients With Unresectable or Metastatic Renal Cell Cancer, SAMURAI Trial

for Metastatic Renal Cell Carcinoma

313 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT05327686·Phase 2·Recruiting

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mFOLFIRINOX Versus mFOLFOX With or Without Nivolumab for the Treatment of Advanced, Unresectable, or Metastatic HER2 Negative Esophageal, Gastroesophageal Junction, and Gastric Adenocarcinoma

for Advanced Esophageal Adenocarcinoma

Drug: Nivolumab

785 locations incl. Birmingham

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT05677490·Phase 3·Recruiting

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BiCaZO: A Study Combining Two Immunotherapies (Cabozantinib and Nivolumab) to Treat Patients With Advanced Melanoma or Squamous Cell Head and Neck Cancer, an immunoMATCH Pilot Study

for Clinical Stage III Cutaneous Melanoma AJCC v8

Drug: Cabozantinib

222 locations incl. Phoenix

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05136196·Phase 2·Recruiting

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Testing the Addition of Herceptin Hylecta or Phesgo to the Usual Chemotherapy for HER2 Positive Endometrial Serous Carcinoma or Carcinosarcoma

for Endometrial Carcinoma

403 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: Female·Age: 18+

Code: NCT05256225·Phase 3·Recruiting

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Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection

for Acute Lymphoblastic Leukemia

746 locations incl. Anchorage

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 40 - 75·Accepts healthy volunteers

Code: NCT05334069·Recruiting

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Colon Adjuvant Chemotherapy Based on Evaluation of Residual Disease

for Stage III Colon Cancer

1021 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT05174169·Phase 2, Phase 3·Recruiting

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Evaluating the Addition of the Immunotherapy Drug Atezolizumab to Standard Chemotherapy Treatment for Advanced or Metastatic Neuroendocrine Carcinomas That Originate Outside the Lung

for Advanced Extrapulmonary Neuroendocrine Carcinoma

Drug: Atezolizumab

249 locations incl. Anchorage

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05058651·Phase 2, Phase 3·Recruiting

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Testing the Use of Chemotherapy After Surgery for High-Risk Pancreatic Neuroendocrine Tumors

for Metastatic Malignant Neoplasm in the Liver

446 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT05040360·Phase 2·Recruiting

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Reaching Rural Cancer Survivors Who Smoke Using Text-Based Program

for Cigarette Smoking-Related Carcinoma

222 locations incl. Kingman

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT05008848·Phase 3·Recruiting

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Five or Ten Year Colonoscopy for 1-2 Non-Advanced Adenomatous Polyps

for Adenocarcinoma of the Colon

472 locations incl. Fairbanks

Sponsor: NRG Oncology

Sex: All·Age: 45 - 70

Code: NCT05080673·Recruiting

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Testing the Combination of Venetoclax and Rituximab, in Comparison to the Usual Treatment (Ibrutinib Plus Rituximab or Zanubrutinib Alone) for Waldenstrom's Macroglobulinemia/Lymphoplasmacytic Lymphoma

for Lymphoplasmacytic Lymphoma

Drug: Venetoclax

131 locations incl. Tucson

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04840602·Phase 2·Recruiting

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Testing the Addition of MEDI4736 (Durvalumab) to Chemotherapy Before Surgery for Patients With High-Grade Upper Urinary Tract Cancer

for Renal Pelvis and Ureter Urothelial Carcinoma

Drug: Durvalumab

258 locations incl. Kingman

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04628767·Phase 2, Phase 3·Recruiting

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Improving Adolescent and Young Adult Self-Reported Data in ECOG-ACRIN Trials

for Breast Cancer, NOS

347 locations incl. Fairbanks

Sponsor: Eastern Cooperative Oncology Group

Sex: All·Age: 18 - 39

Code: NCT05108298·Recruiting

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Immune Checkpoint Inhibitor Toxicity Risk Prediction in Solid Tumors

for Malignant Solid Neoplasm

843 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT04871542·Recruiting

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Study of the Long-Term Safety and Outcomes of Treating Pulmonary Embolism With the Indigo Aspiration System

for Pulmonary Embolism

57 locations incl. Long Beach

Sponsor: Penumbra Inc.

Sex: All·Age: 18+

Code: NCT04798261·Recruiting

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De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

for Stage I Breast Cancer

812 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: All·Age: 50 - 70

Code: NCT04852887·Phase 3·Recruiting

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APOLLO: A Randomized Phase II Double-Blind Study of Olaparib Versus Placebo Following Curative Intent Therapy in Patients With Resected Pancreatic Cancer and a Pathogenic BRCA1, BRCA2 or PALB2 Mutation

for Pancreatic Acinar Cell Carcinoma

452 locations incl. Anchorage

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04858334·Phase 2·Recruiting

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Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma

for Recurrent Head and Neck Squamous Cell Carcinoma

178 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 79

Code: NCT04671667·Phase 2·Recruiting

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Comparing the Outcome of Immunotherapy-Based Drug Combination Therapy With or Without Surgery to Remove the Kidney in Metastatic Kidney Cancer, the PROBE Trial

for Metastatic Clear Cell Renal Cell Carcinoma

387 locations incl. Birmingham

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT04510597·Phase 3·Recruiting

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Testing Early Treatment for Patients With High-Risk Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Leukemia (SLL), EVOLVE CLL/SLL Study

for Chronic Lymphocytic Leukemia

621 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04269902·Phase 3·Recruiting

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Testing the Use of Combination Therapy in Adult Patients With Newly Diagnosed Multiple Myeloma, the EQUATE Trial

for Plasma Cell Myeloma

642 locations incl. Anchorage

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT04566328·Phase 3·Recruiting

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A Study to Compare the Administration of Encorafenib + Binimetinib + Nivolumab Versus Ipilimumab + Nivolumab in BRAF-V600 Mutant Melanoma With Brain Metastases

for Acral Lentiginous Melanoma

Drug: Ipilimumab

331 locations incl. Birmingham

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT04511013·Phase 2·Recruiting

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Osimertinib With or Without Bevacizumab as Initial Treatment for Patients With EGFR-Mutant Lung Cancer

for Advanced Lung Non-Squamous Non-Small Cell Carcinoma

Drug: Bevacizumab

604 locations incl. Anchorage

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04181060·Phase 3·Recruiting

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Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging

for Biochemically Recurrent Prostate Carcinoma

Drug: Apalutamide

342 locations incl. Anchorage

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: Male·Age: 18+

Code: NCT04423211·Phase 3·Recruiting

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A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer

for Ovarian Carcinoma

539 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: Female·Age: 35 - 50

Code: NCT04251052·Recruiting

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Testing the Addition of a Type of Drug Called Immunotherapy to the Usual Chemotherapy Treatment for Non-small Cell Lung Cancer, an ALCHEMIST Treatment Trial (Chemo-IO [ACCIO])

for Lung Non-Small Cell Carcinoma

1150 locations incl. Anchorage

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04267848·Phase 3·Recruiting

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Ramucirumab and Paclitaxel or FOLFIRI in Advanced Small Bowel Cancers

for Metastatic Small Intestinal Adenocarcinoma

536 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT04205968·Phase 2·Recruiting

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Collection of Research Data and Samples From Patients Who Experience Immunotherapy Side Effects

for Malignancy

626 locations incl. Anchorage

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: All ages

Code: NCT04242095·Recruiting

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Anticoagulation in ICH Survivors for Stroke Prevention and Recovery

for Intracerebral Hemorrhage

187 locations incl. Birmingham

Sponsor: Yale University

Sex: All·Age: 18+

Code: NCT03907046·Phase 3·Recruiting

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Lenalidomide, and Dexamethasone With or Without Daratumumab in Treating Patients With High-Risk Smoldering Myeloma

for Smoldering Plasma Cell Myeloma

Drug: Daratumumab

741 locations incl. Birmingham

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT03937635·Phase 3·Recruiting

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Comparing Proton Therapy to Photon Radiation Therapy for Esophageal Cancer

for Clinical Stage I Esophageal Adenocarcinoma AJCC v8

95 locations incl. Phoenix

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT03801876·Phase 3·Recruiting

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Testing the Effectiveness of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) With One Anti-cancer Targeted Drug (Cabozantinib) for Rare Genitourinary Tumors

for Bladder Adenocarcinoma

Drug: Cabozantinib

578 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT03866382·Phase 2·Recruiting

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Inotuzumab Ozogamicin and Blinatumomab With or Without Ponatinib in Treating Patients With Newly Diagnosed, Recurrent, or Refractory CD22-Positive B-Lineage Acute Lymphoblastic Leukemia

for B Acute Lymphoblastic Leukemia, Philadelphia Chromosome Negative

275 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT03739814·Phase 2·Recruiting

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Chemotherapy Before Surgery and Radiation Therapy or Surgery and Radiation Therapy Alone in Treating Patients With Nasal and Paranasal Sinus Cancer That Can Be Removed by Surgery

for Stage III Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma AJCC v6 and v7

140 locations incl. Tucson

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT03493425·Phase 2·Recruiting

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Lung-MAP: A Master Screening Protocol for Previously-Treated Non-Small Cell Lung Cancer

for Previously Treated Non-Small Cell Lung Cancer

1229 locations incl. Birmingham

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT03851445·Phase 2, Phase 3·Recruiting

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S1703 Serum Tumor Marker Directed Disease Monitoring in Patients With Hormone Receptor Positive Her2 Negative Metastatic Breast Cancer

for Anatomic Stage IV Breast Cancer AJCC v8

709 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT03723928·Recruiting

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Testing Osimertinib as a Treatment for Lung Cancers With an EGFR Exon 20 Change

for Advanced Lung Non-Small Cell Carcinoma

Drug: Osimertinib

345 locations incl. Anchorage

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT03191149·Phase 2·Recruiting

Apply to this trial