South Africa

A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)

An Observational Study of Participants With Type 3 Von Willebrand Disease on Prophylactic Standard-of-Care Treatment

Study of ARO-ANG3 in Participants With Homozygous Familial Hypercholesterolemia (HOFH)

A Study of Nemtabrutinib (MK-1026) Versus Comparator (Investigator's Choice of Ibrutinib or Acalabrutinib) in First Line (1L) Chronic Lymphocytic Leukemia (CLL)/ Small Lymphocytic Lymphoma (SLL) (MK-1026-011/BELLWAVE-011)

Zilebesiran in Patients With Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular Disease

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)

Research Study to Look at How Well the Drug Concizumab Works in Your Body if You Have Haemophilia With Inhibitors

Research Study to Look at How Well the Drug Concizumab Works in Your Body if You Have Haemophilia Without Inhibitors

A Research Study to Compare Somapacitan Once a Week With Norditropin® Once a Day in Children Who Need Help to Grow

Study Assessing Activity of Intravenous (IV) Etentamig Monotherapy Versus Standard Available Therapies in Adult Participants With Relapsed or Refractory Multiple Myeloma

A Research Study Looking at Long-term Treatment With Mim8 in People With Haemophilia A (FRONTIER 4)

Chronic Hepatitis B Virus Infection in Zambia

Targeted Universal TB Testing With Simultaneous TPT Prescribing Among People Living With HIV in South Africa

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

Feasibility Study Comparing One vs Two Probes for Thermal Ablation Among Cervical Cancer Screen Positive WLWH in C1001P-CS9 South Africa

PRISMA Maternal and Newborn Health Study

Study of Inclisiran to Prevent Cardiovascular (CV) Events in Participants With Established Cardiovascular Disease

A Study of Encorafenib Plus Cetuximab With or Without Chemotherapy in People With Previously Untreated Metastatic Colorectal Cancer

A Study of Venetoclax in Combination With Azacitidine Versus Azacitidine in Treatment Naïve Participants With Acute Myeloid Leukemia Who Are Ineligible for Standard Induction Therapy

Roll-over Study to Allow Continued Access to Ribociclib