Observational research is core to drug development, helping researchers understand the natural history of diseases and the real-world impact of treatments on patients. Observational studies frequently ...

Emerging treatments for advanced cholangiocarcinoma: Addressing the knowledge gap. Background: HCC is a leading cause of cancer-related deaths worldwide. LEN is now a first-line treatment option for ...

The pharmaceutical industry is facing growing pressure to make drug development more patient-focused. Traditionally, most observational research has been derived from clinical and payer data, but has ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...

An approach where the dependent variables are measured before and after an intervention has been delivered. The intervention can either be delivered by the investigator or by others (observational ...