Clinical trials in Costa Rica
264 studies list at least one site in Costa Rica. 28 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-11-12.
Get an email when these change. Save the studies in Costa Rica recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
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Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
One email a week for all your saved searches. Stop any time.
Status
Most studied here
- Breast Neoplasms 15
- Asthma 13
- Diabetes Mellitus, Type 2 13
- Carcinoma, Non-Small-Cell Lung 11
- Arthritis, Rheumatoid 10
- Parkinson Disease 4, Autosomal Dominant Lewy Body 9
- Cataract 8
- Otitis Media 7
- Papillomavirus Infections 6
- COVID-19 6
Who runs them
Hoffmann-La Roche (40) · Pfizer (23) · AstraZeneca (20) · GlaxoSmithKline (17) · Merck Sharp & Dohme LLC (15) · Pfizer's Upjohn has merged with Mylan to form Viatris Inc. (12) · Caja Costarricense de Seguro Social (12) · National Cancer Institute (NCI) (10)
What changed recently
From the registry's own updates since Oct 13, 2026.
Stopped1
- Feasibility Study of an Accommodating IOL DesignTerminatedOct 29, 2026NCT07147192
Studies
Recruiting first, then most recently updated. Showing 50 of 264 — search for more.
- ESCUDDO Long Term Follow UpEnrolling by invitationNCT07706673Phase 4
- 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)RecruitingNCT06345729Phase 3
- 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)RecruitingNCT03486873Phase 3
- A Rollover Study for Participants Previously Enrolled in a Genentech and/or F. Hoffman-La Roche Sponsored StudyRecruitingNCT05862285Phase 3
- 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)RecruitingNCT05139017Phase 2/3
- 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)RecruitingNCT06136650Phase 3
- 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)RecruitingNCT06312176Phase 3
- A Global Phase III Study of Rilvegostomig or Pembrolizumab Monotherapy for First-Line Treatment of PD-L1-high Metastatic Non-small Cell Lung CancerRecruitingNCT06868277Phase 3
- iCaReMe Global Registry: Multinational Real-world Evidence in Cardiorenal and Metabolic DiseasesRecruitingNCT03549754
- INTERSTELLAR - International Study Evaluating Lupus Outcomes After Anifrolumab Real World UseRecruitingNCT06314282
- "Lumbar Operatively Inserted PerQdisc Artificial Implant Following Nulcectomy" (LOPAIN2)RecruitingNCT05508360Not applicable
- A Study of Transcatheter Aortic Valve Replacement Case Selection and Valve Sizing Using the ABC Bicuspid Sizing AlgorithmRecruitingNCT06991517
- Clinical Study on Tissue Preservation in Breast Augmentation and ReconstructionEnrolling by invitationNCT07623564
- Epidemiology and Management of Cutaneous T-Cell Lymphoma at Hospital México, Costa Rica.Not yet recruitingNCT07538960
- Lung Cancer Screening for Early Detection of Suspicious Lung Nodules in Latin America(LUCAS-LATAM)Not yet recruitingNCT07524803
- Psoriasis Comorbidities at Hospital Calderón GuardiaNot yet recruitingNCT07448337
- Atopic Dermatitis Treated With Dupilumab and JAK Inhibitors in Costa RicaNot yet recruitingNCT07448363
- Clinical, Epidemiologic, and Therapeutic Characterization of Pediatric Psoriasis in the Costa Rican Social Security SystemNot yet recruitingNCT07451626
- Artificial Intelligence-assisted Diagnosis in OphthalmologyNot yet recruitingNCT07497815
- Generalized Pustular Psoriasis Registry in Costa RicaNot yet recruitingNCT07448428
- Epidemiological, Clinical, Diagnostic, and Therapeutic Characteristics of Hansen's Disease in Costa Rica (2018-2025)Not yet recruitingNCT07448389
- Costa Rican Registry of IL-23 Inhibitors in Psoriatic DiseaseNot yet recruitingNCT07448402
- Clinical Trial to Evaluate the Safety and Effectiveness of a Canaloplasty Device in Subjects With Open-Angle GlaucomaRecruitingNCT05696561Not applicable
- Motiva Flora® Aesthetic Breast Recon® Clinical StudyRecruitingNCT06146231Not applicable
- Adaptive Study to Assess the Safety and Functioning of Motiva Devices on Minimally Invasive Gluteal AugmentationRecruitingNCT07135011Not applicable
- PRECAMA: Molecular Subtypes of Premenopausal Breast Cancer in Latin American WomenRecruitingNCT03144648
- Observational Study, for Quality Assessment, of Sarcoma in European and Latin American Multidisciplinary NETWORKRecruitingNCT04181970
- Motiva Flora Tissue Expander PMCFRecruitingNCT05447988Not applicable
- Extended Follow Up of Young Women in Costa Rica Who Received Vaccine for Human Papillomavirus Types 16 and 18 and Unvaccinated ControlsActive, not recruitingNCT00867464
- Extended Follow-up of Women Who Received One, Two, and Three Doses of the HPV Vaccine in the Costa Rica Vaccine Trial (CVT), ESCUDDO-CVT StudyActive, not recruitingNCT03309033
- A Safety and Efficacy Extension Study of Pertuzumab in Patients With Solid Tumors Previously Enrolled in a Hoffmann-La Roche-Sponsored Pertuzumab Clinical TrialActive, not recruitingNCT02320435Phase 3
- Feasibility Study of an Accommodating IOL DesignTerminatedNCT07147192Not applicable
- 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)Active, not recruitingNCT03711032Phase 3
- Single-Dose HPV Vaccination for the Prevention of Cervical Cancer in Young Adult Women in Costa Rica, The PRISMA ESCUDDO TrialActive, not recruitingNCT05237947Phase 4
- Randomized Clinical Trial in Parkinson's Disease Patients Using Pluripotent Adipose Stem Cells (PASCs)CompletedNCT06141317Phase 1/2
- Roll-over Study to Allow Continued Access to RibociclibActive, not recruitingNCT05161195Phase 4
- 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)Active, not recruitingNCT04961996Phase 3
- Xeltis Peripheral Artery Disease (XPAD) Bypass Conduit Early Feasibility StudyActive, not recruitingNCT06951685Not applicable
- A Study to Evaluate the Safety and Efficacy of mRNA-1345 Vaccine Targeting Respiratory Syncytial Virus (RSV) in Adults ≥60 Years of AgeCompletedNCT05127434Phase 2/3
- A Study of Intismeran Autogene (V940) Plus Pembrolizumab (MK-3475) Versus Placebo Plus Pembrolizumab in Participants With Non-small Cell Lung Cancer (V940-002)Active, not recruitingNCT06077760Phase 3
- 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)Active, not recruitingNCT06065748Phase 3
- Clinical Study of a Fluid Accommodating Intraocular Lens (IOL) DesignActive, not recruitingNCT05317728Not applicable
- Study of Pembrolizumab/Vibostolimab (MK-7684A) in Combination With Concurrent Chemoradiotherapy Followed by Pembrolizumab/Vibostolimab Versus Concurrent Chemoradiotherapy Followed by Durvalumab in Participants With Stage III Non-small Cell Lung Cancer (MK-7684A-006)CompletedNCT05298423Phase 3
- A Study of Atezolizumab With Lenvatinib or Sorafenib Versus Lenvatinib or Sorafenib Alone in Hepatocellular Carcinoma Previously Treated With Atezolizumab and BevacizumabActive, not recruitingNCT04770896Phase 3
- 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).TerminatedNCT04949256Phase 3
- A Study to Evaluate Ocrelizumab Treatment in Participants With Progressive Multiple SclerosisActive, not recruitingNCT03523858Phase 3
- 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).Active, not recruitingNCT04895722Phase 2
- 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 AblationCompletedNCT04102098Phase 3
- Bacterial Reduction for a Manual Toothbrush With a 360-Degree Mouth Cleaner Design Versus a Standard ToothbrushCompletedNCT07471477Phase 3
- Safety and Performance of Motiva® SizersCompletedNCT06274736