With rezpegaldesleukin (rezpeg) phase IIb data in alopecia areata holding strong over time, backers of Nektar Therapeutics Inc. are hopeful that the biologic can do for the hair loss market what Dupixent (dupilumab, Regeneron Pharmaceuticals Inc./Sanofi SA) did in atopic dermatitis.
The BioWorld Drug Developers Index (BDDI) rose 6.42% in the first two months of 2026, outpacing both the Nasdaq Biotechnology Index (NBI) and the Dow Jones Industrial Average (DJIA).
Nektar Therapeutics Inc. has established an academic research collaboration with the University of California, San Francisco (UCSF) to explore the role of tumor necrosis factor receptor 2 (TNFR2) agonism in models of multiple sclerosis (MS) with the aim of supporting progression of NKTR-0165, Nektar’s first-in-class TNFR2 agonist antibody.
Marking an important day for those with atopic dermatitis, shares of two biopharmas surged on clinical data suggesting new biologics are on their way to help address 40% of patients with uncontrolled disease.
Drug developer stocks strengthened further through September and October, with the BioWorld Drug Developers Index (BDDI) rising from a 7.69% gain at the end of August, to 24.91% through the third quarter and 28.96% at October’s close. The BDDI outperformed both the Nasdaq Biotechnology Index and the Dow Jones Industrial Average, which finished October up 24.49% and 11.8%, respectively.
Among the strong points of Nektar Therapeutics Inc.’s atopic dermatitis (AD) prospect, rezpegaldesleukin (rezpeg), an IL-2 pathway agonist and regulatory T-cell proliferator, is the drug’s faster onset of action – a feature that experts say may help differentiate the compound from competitors in the OX40 space.
The BioWorld Drug Developers Index (BDDI) rebounded in the second quarter, ending the first half (H1) of 2025 up 1.23% after being down 7.36% at the end of March and 5.52% at April’s close. The BDDI continued to track just below the Dow Jones Industrial Average, which gained 3.64% in H1, and outperformed the Nasdaq Biotechnology Index, which ended June down 1.92%.
Atopic dermatitis data from Nektar Therapeutics Inc. put investors even more in the mood for further results with rezpegaldesleukin (rezpeg), an IL-2 pathway agonist and regulatory T-cell proliferator, also in the works for severe to very severe alopecia areata.
At the ongoing EULAR meeting, Nektar Therapeutics Inc. presented the first preclinical data on its anti-TNFR2 agonist antibody – NKTR-0165 – for the potential treatment of autoimmune and chronic inflammatory diseases.
Biolojic Design Ltd. announced that Nektar Therapeutics Inc. has exercised its license option to develop a program resulting from the companies’ 2021 research collaboration, established to design and test agonistic antibodies targeting tumor necrosis factor receptor type II (TNFR2).
