Great question! Daratumumab and hyaluronidase-fihj (Darzalex Faspro) became the first FDA-approved treatment specifically for adults with high-risk smoldering myeloma in 2025. This is a big deal because it means treatment can now begin earlier, before smoldering myeloma progresses to active disease. Here's how it works in Show Full Answer
Great question! Daratumumab and hyaluronidase-fihj (Darzalex Faspro) became the first FDA-approved treatment specifically for adults with high-risk smoldering myeloma in 2025. This is a big deal because it means treatment can now begin earlier, before smoldering myeloma progresses to active disease. Here's how it works in plain terms:
- Myeloma cells have a protein on their surface called CD38
- Darzalex Faspro attaches to that CD38 protein like a flag
- This "flag" signals the immune system to find and destroy those myeloma cells
It's given as a quick injection under the skin, which is much faster than a traditional IV infusion. It's worth noting that not everyone with smoldering myeloma will need this treatment right away. Treatment decisions are becoming more personalized, and this option is currently focused on those considered high-risk. A doctor can help determine whether this is the right fit based on individual circumstances.
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