RGEN vs SGEN

Repligen Corporation

Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company offers filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and SpectraFlo dynamic dialysis systems; and ProConnex single-use hollow fiber. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE and FlowVPE brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands; and Sartorius Stedim Biotech to create novel perfusion-enabled bioreactors. Repligen Corporation was incorporated in 1981 and is headquartered in Waltham, Massachusetts.

Seagen Inc.

Seagen Inc., a biotechnology company, develops and commercializes therapies for the treatment of cancer in the United States and internationally. The company markets ADCETRIS, an antibody-drug conjugate (ADC) for the treatment of patients with Hodgkin lymphoma or CD30-positive T-cell lymphomas; PADCEV, an ADC targeting Nectin-4 for the treatment of metastatic urothelial cancers; and TUKYSA, an oral small molecule tyrosine kinase inhibitor for the treatment of adult patients with advanced unresectable or metastatic HER2-positive breast cancer. It also develops Tisotumab Vedotin for metastatic cervical cancer and other solid tumors; ladiratuzumab vedotin, an ADC targeting LIV-1 for metastatic breast cancer and solid tumors; and SEA-CD40, SEA-TGT, SEA-BCMA, and SEA-CD70 for various cancer diseases. Seagen Inc. has collaboration agreements with Takeda Pharmaceutical Company Limited; Agensys, Inc.; Genmab A/S; Merck; and SpringWorks Therapeutics, Inc. The company was formerly known as Seattle Genetics, Inc. and changed its name to Seagen Inc. in October 2020. Seagen Inc. was incorporated in 1997 and is headquartered in Bothell, Washington.