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A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)

A Clinical Study of MK-8527 to Prevent Human Immunodeficiency Virus Type 1 (HIV-1) (MK-8527-011)

A Study to Assess the Efficacy and Safety of Induction and Maintenance Therapy With Afimkibart (RO7790121) in Participants With Moderately to Severely Active Crohn's Disease

Maternal Health Assessment in Pediatric Care

A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age

A Study on the Immune Response and Safety of the Second Dose of an Investigational Chickenpox Vaccine When Given to Healthy Children 3 Months After a First Dose at 12 to 15 Months of Age

Promoting Viral Suppression Among Transgender Women Living With HIV in Santo Domingo

Study to Evaluate Safety and Immunogenicity of COVID-19 Vaccine in Children 6 Months to < 12 Years

Feasibility Study of an Accommodating IOL Design

A Study to Evaluate the Efficacy and Safety of Fenebrutinib Compared With Teriflunomide in Relapsing Multiple Sclerosis (RMS)

LatAm-FINGERS Initiative for Cognitive Change

A Study to Describe the Diagnosis, Anti-Cancer Treatment and Clinical Outcome in Patients With Newly Diagnosed Breast Cancer in Latin America

Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease

International Collaborative Gaucher Group (ICGG) Gaucher Disease Registry & Pregnancy Sub-registry

A Safety and Pharmacokinetics Study of IDP-118 Lotion in Pediatric Participants With Plaque Psoriasis

Casea S Contraceptive Implants (Casea S) Trial

Long-term Evaluation on Height and Weight in Patients With MPS II Who Started Treatment at < 6 Years of Age

RT-310 Safety and Feasibility BPH Study

Efficacy of Manual Toothbrushes in Removing Tooth Stains

A Follow-up Study to Describe the Safety of Study Participants Who Received RSVPreF3 Maternal Vaccination (Any Dose) or Controls From Previous RSV MAT Studies During Any Pregnancy Conceived Post Vaccination/Control