Key Takeaways CRMD is ramping DefenCath sales after the 2024 launch, while Puma Biotechnology leans on Nerlynx.CRMD posted $167.6M DefenCath sales in the first nine months of 2025, with patent protection to 2033.PBYI lifted 2025 Nerlynx sales guidance, but reliance on one product and competition persist.CorMedix (CRMD) and Puma Biotechnology (PBYI) are small-cap biotech companies focused on the successful commercialization of their core products as they work to establish leadership within their respective d ...