Clinical trials in Puerto Rico
3,080 studies list at least one site in Puerto Rico. 359 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-11-10.
Get an email when these change. Save the studies in Puerto Rico 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
Who runs them
Eli Lilly and Company (281) · National Institute of Allergy and Infectious Diseases (NIAID) (184) · AbbVie (135) · National Cancer Institute (NCI) (132) · Bristol-Myers Squibb (125) · Children's Oncology Group (122) · Gilead Sciences (104) · Hoffmann-La Roche (100)
What changed recently
From the registry's own updates since Oct 13, 2026.
Started recruiting14
- A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With AutismNov 10, 2026NCT07284745
- A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With Autism Spectrum DisorderNov 10, 2026NCT07285798
- Using Technology to Improve Function for Older Latinos With Disabilities in Underserved AreasNov 9, 2026NCT06425510
- Home Self-administration of Maridebart Cafraglutide With Autoinjector in Adults Living With Obesity or OverweightNov 9, 2026NCT07871409
- A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 DiabetesNov 4, 2026NCT07881458
Show 9 moreShow fewer
- Cost Communication and Financial Navigation in Cancer Patients (COSTCOM)Oct 29, 2026NCT06295367
- A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1283 in Participants ≥6 Months to <12 Years of AgeOct 29, 2026NCT07808697
- Study to Evaluate ALN-CIDEB in Adults With Fibrotic Metabolic Dysfunction-Associated Steatohepatitis (MASH)Oct 26, 2026NCT07631637
- A Study Evaluating the Safety of Inavolisib and Fulvestrant With or Without Palbociclib in Participants With Advanced Breast Cancer (ABC) and Type 2 DiabetesOct 20, 2026NCT07748208
- A Study to Assess Intravenous ABBV-1480 Combined With Chemotherapy Versus Pembrolizumab Combined With Chemotherapy for the First Line Treatment of Locally Advanced/Metastatic Non-Small Cell Lung Cancer in Adult ParticipantsOct 20, 2026NCT07756645
- Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group StudiesOct 15, 2026NCT00736749
- A Study to Test Whether BI 764524 Helps People With an Eye Condition Called Diabetic RetinopathyOct 15, 2026NCT06321302
- Saruparib in Combination With Physician's Choice of ARPI in Patients With mHSPC Previously Treated With Docetaxel or 177Lu-PSMA Therapy Without Disease Progression and PSA ≥ 0.2 ng/mL (EvoPAR-PR05)Oct 15, 2026NCT07711002
- A Study to Assess the Efficacy and Safety of GSK5784283 (Felcorekibart) in Participants With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)Oct 14, 2026NCT07782970
First site in Puerto Rico17
- Real-World Study of Foslevodopa/Foscarbidopa to Assess Quality of Life Outcomes in Adult Participants Earlier Within Advanced Parkinson DiseaseNov 10, 2026NCT07227896
- A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein ExpressionNov 9, 2026NCT07546500
- Home Self-administration of Maridebart Cafraglutide With Autoinjector in Adults Living With Obesity or OverweightNov 9, 2026NCT07871409
- A Phase 3 Trial for Intravitreal Injection of 4D-150 in Adults With Diabetic Macular Edema (DME).Nov 5, 2026NCT07867080
- A Study to Learn About the Study Medicine Called Tilrekimig ( PF-07275315) in People With Severe AsthmaNov 5, 2026NCT07869043
Show 12 moreShow fewer
- EDX110 Randomized Control Trial for Treatment of DFUsNov 2, 2026NCT07209358
- A Study of Azenosertib (ZN-c3) in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Fallopian Tube or Primary Peritoneal CancerOct 30, 2026NCT05128825
- Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and ObesityOct 29, 2026NCT07037459
- Study to Evaluate ALN-CIDEB in Adults With Fibrotic Metabolic Dysfunction-Associated Steatohepatitis (MASH)Oct 26, 2026NCT07631637
- DESCANSO, a Mental Health Intervention for Depression, Insomnia, and Fatigue Symptoms in Latino People With CancerOct 23, 2026NCT07225088
- A Study Evaluating the Safety of Inavolisib and Fulvestrant With or Without Palbociclib in Participants With Advanced Breast Cancer (ABC) and Type 2 DiabetesOct 20, 2026NCT07748208
- A Study to Assess Intravenous ABBV-1480 Combined With Chemotherapy Versus Pembrolizumab Combined With Chemotherapy for the First Line Treatment of Locally Advanced/Metastatic Non-Small Cell Lung Cancer in Adult ParticipantsOct 20, 2026NCT07756645
- A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.Oct 19, 2026NCT07062965
- Study of AZD2389 Safety, Tolerability, and Pharmacodynamics in Adults With Steatotic Liver Disease and Advanced FibrosisOct 19, 2026NCT07610837
- Saruparib in Combination With Physician's Choice of ARPI in Patients With mHSPC Previously Treated With Docetaxel or 177Lu-PSMA Therapy Without Disease Progression and PSA ≥ 0.2 ng/mL (EvoPAR-PR05)Oct 15, 2026NCT07711002
- A Study to Assess the Efficacy and Safety of GSK5784283 (Felcorekibart) in Participants With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)Oct 14, 2026NCT07782970
- A Phase 2 Study of VS-7375 in Patients With KRAS G12D-Mutated Pancreatic CancerOct 13, 2026NCT07644559
Results posted10
- A Study of Lebrikizumab (RO5490255) in Participants With Severe Oral Corticosteroids (OCS) Dependent AsthmaNov 10, 2026NCT01987492
- A Study to Assess Change in Disease Activity, Adverse Events, and How the Drug Moves Through the Body in Adult Participants Living With Human Immunodeficiency Virus (HIV) Receiving Intravenous (IV) Infusion or Subcutaneous (SC) Injection of Budigalimab and/or ABBV-382Nov 6, 2026NCT06032546
- Study to Compare Bictegravir/Lenacapavir Versus Current Therapy in People With HIV-1 Who Are Successfully Treated With BiktarvyNov 5, 2026NCT06333808
- Pegzilarginase and Pembrolizumab for Extensive Disease Small Cell Lung CancerOct 28, 2026NCT03371979
- Efficacy and Safety of Erenumab in Pediatric Subjects With Chronic MigraineOct 28, 2026NCT03832998
Show 5 moreShow fewer
- Evaluation of Rifaximin SSD for Delaying Encephalopathy Decompensation in Patients With CirrhosisOct 28, 2026NCT05297448
- A Study to Evaluate Astegolimab in Participants With Chronic Obstructive Pulmonary DiseaseOct 28, 2026NCT05595642
- A Study of Dazostinag as Single Agent and Dazostinag in Combination With Pembrolizumab in Adults With Advanced or Metastatic Solid TumorsOct 22, 2026NCT04420884
- Study to Compare Bictegravir/Lenacapavir Versus Current Therapy in People With HIV-1 Who Are Successfully Treated With a Complicated Regimen (ARTISTRY-1)Oct 21, 2026NCT05502341
- A Study of Nivolumab and Relatlimab in Combination With Bevacizumab in Advanced Liver CancerOct 14, 2026NCT05337137
Stopped3
- A Study of Lebrikizumab (RO5490255) in Participants With Severe Oral Corticosteroids (OCS) Dependent AsthmaTerminatedNov 10, 2026NCT01987492
- Pegzilarginase and Pembrolizumab for Extensive Disease Small Cell Lung CancerTerminatedOct 28, 2026NCT03371979
- Study of Efficacy and Safety of LNP023 in Participants With Active Lupus Nephritis Class III-IV, +/- VTerminatedOct 15, 2026NCT05268289
Newly registered5
- A Research Study to Investigate How Well the Medicine CagriSema Lowers High Blood Pressure in People Living With High Blood Pressure and ObesityNov 5, 2026NCT07919405
- A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, Type 2 Diabetes, and Increased Cardiovascular RiskOct 28, 2026NCT07900633
- A Study of EloraTZP in Adult Participants With Obesity Without Type 2 DiabetesOct 19, 2026NCT07881432
- A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 DiabetesOct 19, 2026NCT07881458
- Home Self-administration of Maridebart Cafraglutide With Autoinjector in Adults Living With Obesity or OverweightOct 13, 2026NCT07871409
Studies
Recruiting first, then most recently updated. Showing 50 of 3,080 — search for more.
- 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
- Beamion PANTUMOR-1: A Study to Test Whether Zongertinib Helps People With Advanced Cancers With HER2 AlterationsRecruitingNCT06581432Phase 2
- A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)RecruitingNCT06717347Phase 3
- A Study to Compare Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab (MK-3475) Versus Pembrolizumab Alone as Treatment in Participants With Mismatch Repair Proficient Endometrial Cancer (MK-2870-033/TroFuse-033/GOG-3119/ENGOT-en29)RecruitingNCT06952504Phase 3
- Study of Volrustomig in Women With High Risk Locally Advanced Cervical Cancer (eVOLVE-Cervical)RecruitingNCT06079671Phase 3
- Real-World Study of Foslevodopa/Foscarbidopa to Assess Quality of Life Outcomes in Adult Participants Earlier Within Advanced Parkinson DiseaseRecruitingNCT07227896
- A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With Autism Spectrum DisorderRecruitingNCT07285798Phase 3
- A Study of GS-3242 in Combination With Lenacapavir Versus Biktarvy in Virologically Suppressed People With HIV-1RecruitingNCT07645287Phase 2
- Cevostamab in Combination With Pomalidomide and Dexamethasone Versus Standard of Care in Participants With Previously Treated Multiple MyelomaRecruitingNCT07555938Phase 3
- Study of an Injectable Regimen of GS-3242 With Lenacapavir Compared to Biktarvy in People New to HIV-1 TreatmentRecruitingNCT07708727Phase 2/3
- A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With AutismRecruitingNCT07284745Phase 3
- A Study to Investigate Cabotegravir Ultra Long-Acting (CAB ULA) Plus Rilpivirine Ultra Long-Acting (RPV ULA) in Adults and Adolescents With HIV Who Are Virologically SuppressedRecruitingNCT07650916Phase 3
- A Study of Orelabrutinib in Patients With Primary Progressive Multiple SclerosisRecruitingNCT07067463Phase 3
- A Phase 3 Trial for Intravitreal Injection of 4D-150 in Adults With Diabetic Macular Edema (DME).RecruitingNCT07867080Phase 3
- Using Technology to Improve Function for Older Latinos With Disabilities in Underserved AreasRecruitingNCT06425510Not applicable
- Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian CancerRecruitingNCT06580314Phase 3
- S1703 Serum Tumor Marker Directed Disease Monitoring in Patients With Hormone Receptor Positive Her2 Negative Metastatic Breast CancerRecruitingNCT03723928Not applicable
- Testing New Therapies for Patients With Acute Myeloid Leukemia Who Are Newly Diagnosed and Have Not Yet Started Treatment (A MyeloMATCH Treatment Trial)RecruitingNCT05554406Phase 2
- Study to Evaluate ALN-CIDEB in Adults With Fibrotic Metabolic Dysfunction-Associated Steatohepatitis (MASH)RecruitingNCT07631637Phase 2
- A Study to Investigate Efficacy and Safety of FWY003 Compared With Placebo in Participants With Geographic Atrophy Secondary to Age-related Macular DegenerationRecruitingNCT07441642Phase 2
- A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight and Type 2 DiabetesRecruitingNCT07351058Phase 3
- A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein ExpressionRecruitingNCT07546500Phase 3
- A Study of ASP2138 Together With Chemotherapy and Pembrolizumab in Adults With Gastric CancerRecruitingNCT07673887Phase 3
- Induction Pembrolizumab and Chemotherapy Followed by Pembrolizumab Before Chemoradiation and Pembrolizumab Maintenance Compared to Standard Chemoradiation With Pembrolizumab Followed by Pembrolizumab Maintenance in High-Risk Cervical CancerRecruitingNCT07061977Phase 3
- A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1283 in Participants ≥6 Months to <12 Years of AgeRecruitingNCT07808697Phase 2
- Home Self-administration of Maridebart Cafraglutide With Autoinjector in Adults Living With Obesity or OverweightRecruitingNCT07871409Phase 3
- Structural Stressors, Reward Related Decision Making and Substance Use RiskRecruitingNCT06221839
- A Study Evaluating Efruxifermin in Subjects With Non-Cirrhotic Nonalcoholic Steatohepatitis (NASH)/Metabolic Dysfunction-Associated Steatohepatitis (MASH) and FibrosisRecruitingNCT06215716Phase 3
- Measuring if Immunotherapy Plus Chemotherapy is Better Than Chemotherapy Alone for Patients With Aggressive Poorly Differentiated SarcomasRecruitingNCT06422806Phase 3
- Pan Tumor Rollover StudyRecruitingNCT03899155Phase 2
- A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023)RecruitingNCT06667700Phase 3
- Study of Daraxonrasib (RMC-6236) in Patients With RAS Mutated NSCLC (RASolve 301)RecruitingNCT06881784Phase 3
- A Study of the Drugs Selumetinib vs. Carboplatin and Vincristine in Patients With Low-Grade GliomaRecruitingNCT04166409Phase 3
- A Study Evaluating Sotorasib Platinum Doublet Combination Versus Pembrolizumab Platinum Doublet Combination as a Front-Line Therapy in Participants With Stage IV or Advanced Stage IIIB/C Nonsquamous Non-Small Cell Lung Cancers (CodeBreaK 202)RecruitingNCT05920356Phase 3
- Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast CancerRecruitingNCT06058377Phase 3
- A Study of Nemtabrutinib Plus Venetoclax vs Venetoclax + Rituximab (VR) in Second-line (2L) + Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) (MK-1026-010/BELLWAVE-010).RecruitingNCT05947851Phase 3
- Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer SurvivorsRecruitingNCT07018869Phase 3
- Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low TrialRecruitingNCT07391774Phase 3
- Efficacy, Safety and Tolerability of Switching From Glucagon-like Peptide-1 Receptor Agonists (GLP-1RA) to Maridebart Cafraglutide in Adults With Obesity or Overweight (MARITIME-SWITCH)RecruitingNCT07575399Phase 3
- A Study to Evaluate the Long-term Safety and Tolerability of Xanomeline and Trospium Chloride for the Treatment of Psychiatric Disorders in Children and AdolescentsRecruitingNCT07424404Phase 3
- Comparing Different Treatment Lengths for Venetoclax in Older People With Newly Diagnosed Acute Myeloid Leukemia (A MyeloMATCH Treatment Trial)RecruitingNCT07437950Phase 2
- A Phase 2 Study of VS-7375 in Patients With KRAS G12D-Mutated Non-Small Cell Lung CancerRecruitingNCT07659782Phase 2
- A Phase 2 Study of VS-7375 in Patients With KRAS G12D-Mutated Pancreatic CancerRecruitingNCT07644559Phase 2
- A Research Study to Investigate How Well the Medicine CagriSema Lowers High Blood Pressure in People Living With High Blood Pressure and ObesityNot yet recruitingNCT07919405Phase 3
- A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic PainRecruitingNCT05986292Phase 2
- Testing the Use of Neratinib or the Combination of Neratinib and Palbociclib Targeted Treatment for HER2+ Solid Tumors (A ComboMATCH Treatment Trial)RecruitingNCT06126276Phase 2
- A Study to Compare Standard Therapy to Treat Hodgkin Lymphoma to the Use of Two Drugs, Brentuximab Vedotin and NivolumabRecruitingNCT05675410Phase 3
- Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)RecruitingNCT06136624Phase 3
- 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 MutationRecruitingNCT04858334Phase 2
- A Study to Evaluate Glofitamab as a Single Agent vs. Investigator's Choice in Participants With Relapsed/Refractory Mantle Cell LymphomaRecruitingNCT06084936Phase 3