Paid Clinical Trials in Longmont, CO

As of June 2026, 65 paid clinical trials are recruiting in Longmont, Colorado. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.

Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.

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

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65 clinical trials

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A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration (nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)

for Neovascular Age-related Macular Degeneration

Drug: Ranibizumab

50 locations incl. Mesa

Sponsor: Genentech, Inc.

Sex: All·Age: 50+

Code: NCT04853251·Phase 4·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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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 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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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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Phase 2 Trial of Adagrasib Monotherapy and in Combination With Pembrolizumab and a Phase 3 Trial of Adagrasib in Combination in Patients With a KRAS G12C Mutation KRYSTAL-7

for Advanced Non-Small Cell Lung Cancer

Drug: Adagrasib

220 locations incl. Goodyear

Sponsor: Mirati Therapeutics Inc.

Sex: All·Age: 18+

Code: NCT04613596·Phase 2, 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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PATHWEIGH: Pragmatic Weight Management in Primary Care

for Obesity

64 locations incl. Arvada

Sponsor: University of Colorado, Denver

Sex: All·Age: 18 - 89

Code: NCT04678752·Enrolling By Invitation

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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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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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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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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A Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Patients With Metastatic or Locally Advanced Breast Cancer

for Metastatic Breast Cancer

16 locations incl. Duarte

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT03424005·Phase 1, Phase 2·Recruiting

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S1501 Dual Observational and Randomized Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity

for Cardiotoxicity

577 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT03418961·Phase 3·Recruiting

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Active Surveillance, Bleomycin, Etoposide, Carboplatin or Cisplatin in Treating Pediatric and Adult Patients With Germ Cell Tumors

for Childhood Extracranial Germ Cell Tumor

566 locations incl. Birmingham

Sponsor: Children's Oncology Group

Sex: All·Age: All ages

Code: NCT03067181·Phase 3·Recruiting

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Radiation Therapy With or Without Cisplatin in Treating Patients With Stage III-IVA Squamous Cell Carcinoma of the Head and Neck Who Have Undergone Surgery

for Head and Neck Squamous Cell Carcinoma

676 locations incl. Birmingham

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT02734537·Phase 2·Recruiting

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Vismodegib, FAK Inhibitor GSK2256098, Capivasertib, and Abemaciclib in Treating Patients With Progressive Meningiomas

for Intracranial Meningioma

780 locations incl. Birmingham

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT02523014·Phase 2·Recruiting

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Testing Docetaxel-Cetuximab or the Addition of an Immunotherapy Drug, Atezolizumab, to the Usual Chemotherapy and Radiation Therapy in High-Risk Head and Neck Cancer

for Oropharyngeal p16INK4a-Negative Squamous Cell Carcinoma

Drug: Atezolizumab

338 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT01810913·Phase 2, Phase 3·Recruiting

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