Romosozumab
Healthy Participants
Phase I
Recruiting
Comparing the Extent to Which Romosozumab (AMG 785) is Made Available in the Body When Administered as a Single SC Injection or as 2 SC Injections
Sep 04, 2026
―
FAQ
What are the FDA phases for drug approval?
The FDA approval process for new drugs is divided into several phases:
a. Preclinical testing
b. Phase 1 – Safety and dosage
c. Phase 2 – Effectiveness and side effects
d. Phase 3 – Confirmation of effectiveness, monitoring of adverse reactions, and comparison with existing treatments
e. Phase 4 – Post-marketing studies to track long-term safety and effectiveness
a. Preclinical testing
b. Phase 1 – Safety and dosage
c. Phase 2 – Effectiveness and side effects
d. Phase 3 – Confirmation of effectiveness, monitoring of adverse reactions, and comparison with existing treatments
e. Phase 4 – Post-marketing studies to track long-term safety and effectiveness
What is a clinical trial?
A clinical trial is a carefully designed study in which researchers test a drug, treatment, or medical device in people to evaluate its safety, effectiveness, and potential side effects. These trials are essential for determining whether a new treatment should be approved for widespread use.
What drugs does Amgen (1AMGN) have in its pipeline
1AMGN is currently developing the following drugs: Semaglutide, Maridebart Cafraglutide, Amg 133, Romosozumab, Autoinjector, Evolocumab, Routine Lipid Management. These drug candidates are in various stages of clinical development as the company works toward FDA approval.