Latest studies
- Active not recruitingPHASE3
Study of Pembrolizumab (MK-3475) Versus Placebo in Combination With Neoadjuvant Chemotherapy & Adjuvant Endocrine Therapy in the Treatment of Early-Stage Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast Cancer (MK-3475-756/KEYNOTE-756)
This study looks at a new drug, pembrolizumab, for early-stage breast cancer. It's for people with a specific type of breast cancer (ER+/HER2-). Researchers want to see if adding pembrolizumab to standard chemotherapy and hormone therapy works better than standard treatment alone.
Breast CancerCosta Rica - RecruitingPHASE3
Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)
This study looks at the long-term safety and effectiveness of a cancer drug called pembrolizumab (and related treatments) for people with advanced cancers. It's for patients who are already receiving these treatments in other studies and want to continue.
Solid TumorsHematologic MalignanciesCosta Rica - Active not recruitingPHASE3
A Study of Atezolizumab With Lenvatinib or Sorafenib Versus Lenvatinib or Sorafenib Alone in Hepatocellular Carcinoma Previously Treated With Atezolizumab and Bevacizumab
This study looks at new drug combinations for advanced liver cancer that has already been treated. It compares atezolizumab with lenvatinib or sorafenib against lenvatinib or sorafenib alone, to see if the combinations work better and are safe.
Unresectable Hepatocellular CarcinomaCosta Rica - RecruitingPHASE3
A Study of Calderasib (MK-1084) Plus Pembrolizumab (MK-3475) in Participants With KRAS G12C Mutant Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥50% (MK-1084-004/KANDLELIT-004)
This study is testing a new combination of two medicines, calderasib and pembrolizumab, for a specific type of lung cancer. We want to see if this combination works better than current treatments for people with advanced non-small cell lung cancer that has a particular genetic change.
Non-small Cell Lung CancerCosta Rica - RecruitingPHASE3
A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)
This study is for people with advanced HR+/HER2- breast cancer. It compares a new drug, sacituzumab tirumotecan (alone or with pembrolizumab), against standard chemotherapy, to see which treatment best controls the cancer's growth.
Breast NeoplasmsCosta Rica - RecruitingPHASE3
A Rollover Study for Participants Previously Enrolled in a Genentech and/or F. Hoffman-La Roche Sponsored Study
This study offers continued treatment to cancer patients already in certain Genentech/Roche studies. It's for those still benefiting from their current treatment and who can't get it elsewhere. The aim is to bridge care for these patients.
CancerCosta Rica - Active not recruitingPHASE3
A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)
This study compares a new drug, Giredestrant, with standard hormone therapy for early breast cancer. It's for people with a specific type of breast cancer (ER-positive, HER2-negative) who have already had surgery.
Early Breast CancerCosta Rica - RecruitingPHASE3
A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)
This study compares a new medicine, opevesostat, with existing treatments like abiraterone or enzalutamide for prostate cancer that has spread and is no longer responding well to standard hormone therapy. It aims to see if opevesostat is safer and more effective at stopping cancer growth.
Metastatic Castration-resistant Prostate Cancer (mCRPC)Prostatic NeoplasmsCosta Rica - Recruiting
Exploring the hidden burden of living with Glanzmann thrombasthenia
This study wants to hear from people living with Glanzmann thrombasthenia (GT) and their caregivers. We want to understand the daily challenges and feelings of those affected. Your stories can help improve support and understanding for everyone with GT.
Glanzmann thrombastheniaCosta Rica - RecruitingPHASE2, PHASE3
A Study of Zilovertamab Vedotin (MK-2140) in Combination With Standard of Care in Participants With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (rrDLBCL) (MK-2140-003)
This study is testing a new medicine, zilovertamab vedotin (ZV), combined with standard treatments for a type of lymphoma called diffuse large B-cell lymphoma (DLBCL). It's for people whose lymphoma has come back or hasn't responded to previous treatments.
DLBCLDiffuse Large B-Cell LymphomaCosta Rica - RecruitingPHASE3
A Global Phase III Study of Rilvegostomig or Pembrolizumab Monotherapy for First-Line Treatment of PD-L1-high Metastatic Non-small Cell Lung Cancer
This study is testing a new drug, rilvegostomig, against a standard treatment, pembrolizumab, for advanced lung cancer. It's for people whose cancer has spread and has high levels of a specific marker called PD-L1. The aim is to see which treatment works better and is safer.
Carcinoma, Non-Small Cell LungCosta Rica - RecruitingPHASE3
A Study to Evaluate Efficacy and Safety of Giredestrant Compared With Fulvestrant (Plus a CDK4/6 Inhibitor), in Participants With ER-Positive, HER2-Negative Advanced Breast Cancer Resistant to Adjuvant Endocrine Therapy (pionERA Breast Cancer)
This study is testing a new drug, giredestrant, against a standard treatment for advanced breast cancer. It's for people whose cancer has grown resistant to previous hormone therapy, to see if giredestrant, combined with other drugs, works better and is safe.
Estrogen Receptor-Positive, HER2-Negative Advanced Breast CancerCosta Rica - Active not recruitingPHASE3
A Study of Atezolizumab Plus Bevacizumab Versus Active Surveillance as Adjuvant Therapy in Patients With Hepatocellular Carcinoma at High Risk of Recurrence After Surgical Resection or Ablation
This study is looking at a new treatment for liver cancer to stop it coming back after surgery or other procedures. It compares two drugs, atezolizumab and bevacizumab, with regular check-ups to see which is better at preventing the cancer from returning.
Carcinoma, HepatocellularCosta Rica - Active not recruitingPHASE3
A Study to Evaluate Ocrelizumab Treatment in Participants With Progressive Multiple Sclerosis
This study looks at a medicine called ocrelizumab for people with progressive multiple sclerosis (PMS). It aims to see how well it works and if it's safe. Everyone in the study will receive the medicine, and doctors will watch their progress closely.
Progressive Multiple Sclerosis (PMS)Costa Rica - Active not recruitingPHASE3
Efficacy and Safety of Pembrolizumab (MK-3475) in Combination With Bacillus Calmette-Guerin (BCG) in High-Risk Non-Muscle Invasive Bladder Cancer (HR NMIBC) (MK-3475-676/KEYNOTE-676)
This study is looking into a new treatment for a type of bladder cancer called high-risk non-muscle invasive bladder cancer. It combines a drug called pembrolizumab with an existing treatment, BCG, to see if it works better and is safe.
High-risk Non-muscle Invasive Bladder CancerCosta Rica - Active not recruitingPHASE2
Evaluation of Co-formulated Pembrolizumab/Quavonlimab (MK-1308A) Versus Other Treatments in Participants With Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Stage IV Colorectal Cancer (CRC) (MK-1308A-008/KEYSTEP-008).
This study looks at new drug combinations for advanced bowel cancer that has specific genetic markers (MSI-H or dMMR). It compares these combinations with existing treatments to see if they are more effective and safe for patients.
Colorectal CancerCosta Rica - Active not recruitingPHASE3
Efficacy and Safety of Pembrolizumab (MK-3475) Plus Lenvatinib (E7080/MK-7902) Plus Chemotherapy in Participants With Metastatic Esophageal Carcinoma (MK-7902-014/E7080-G000-320/LEAP-014)
This study tested new drug combinations for advanced oesophageal cancer. It looked at pembrolizumab with lenvatinib and chemotherapy, versus pembrolizumab and chemotherapy, to see which worked best and was safest. The study has now stopped, with no safety concerns being the reason.
Metastatic Esophageal Squamous Cell CarcinomaCosta Rica