Darzalex 400mg Injection – Daratumumab (400mg) – Janssen – Pilcare – Exporter from India to Singapore youmobs 3 months ago Darzalex 400mg Injection – Daratumumab (400mg) – Janssen – Pilcare – Exporter from India to Singapore Darzalex 400mg Injection is used in the treatment of multiple myeloma, which is a type of cancer of plasma cells.