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    David NierengartenWedbush Securities

    David Nierengarten's questions to Nuvation Bio Inc (NUVB) leadership

    David Nierengarten's questions to Nuvation Bio Inc (NUVB) leadership • Q2 2025

    Question

    David Nierengarten from Wedbush Securities questioned the development of sacrocitinib, asking whether the FDA recommended the maintenance setting arm in the current study and what potential endpoints, such as PFS, are being considered for a future registrational trial.

    Answer

    CEO David Hung clarified that the decision to add a maintenance evaluation for sacrocitinib was made by Nuvation Bio, not at the FDA's recommendation. He stated that discussions with the FDA regarding the design of a pivotal study are ongoing, and details will be disclosed publicly on clinicaltrials.gov once finalized.

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    David Nierengarten's questions to Scholar Rock Holding Corp (SRRK) leadership

    David Nierengarten's questions to Scholar Rock Holding Corp (SRRK) leadership • Q2 2025

    Question

    David Nierengarten of Wedbush Securities asked about the status of labeling discussions with the FDA and whether a potential PDUFA date delay could jeopardize the Priority Review Voucher (PRV).

    Answer

    CEO David Hallal stated that a potential delay would have "no impact" on the PRV. President of R&D Akshay Vaishnaw confirmed that labeling was part of the constructive late-cycle meeting, but could not share specifics, only reiterating that the FDA is working towards the September 22 PDUFA date.

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    David Nierengarten's questions to Scholar Rock Holding Corp (SRRK) leadership • Q1 2025

    Question

    David Nierengarten asked about plans for expanding apitegromab into additional indications like Duchenne muscular dystrophy (DMD) and whether any new developments have made certain neuromuscular disorders particularly attractive for pursuit.

    Answer

    President of R&D Akshay Vaishnaw confirmed a significant opportunity exists beyond SMA in disorders like DMD and FSHD, referencing strong preclinical data. He also mentioned ALS as a potential area of interest and stated that the company is working through details for new studies, with more information to be shared later in the year.

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    David Nierengarten's questions to Kiniksa Pharmaceuticals International PLC (KNSA) leadership

    David Nierengarten's questions to Kiniksa Pharmaceuticals International PLC (KNSA) leadership • Q2 2025

    Question

    David Nierengarten of Wedbush Securities asked about the specific efficacy bar for the KPL-387 (March) study, questioning if it needs to match Arcalis's near-100% recurrence reduction or if a lower bar is acceptable due to dosing convenience. He also asked for thoughts on emerging oral competition.

    Answer

    EVP & CCO Ross Moat stated it was too early to define a precise efficacy expectation for KPL-387 but noted the study is designed to optimize and demonstrate the drug's strength. On competition, he reinforced KNSA's leadership position, emphasizing their understanding that complete disease control requires inhibiting both IL-1 alpha and IL-1 beta, a key differentiator from other potential mechanisms.

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    David Nierengarten's questions to Kiniksa Pharmaceuticals International PLC (KNSA) leadership • Q1 2025

    Question

    David Nierengarten of Wedbush Securities inquired if the upcoming clinical trial for KPL-387 will mirror the design of the pivotal ARCALYST study and whether it will incorporate a component for patients switching from ARCALYST.

    Answer

    Chief Medical Officer Dr. John Paolini stated that while the Phase II/III study for KPL-387 will start mid-year, specific details of the trial design are not being shared at this time. He noted the plan is based on regulatory interactions and directed investors to clinicaltrials.gov for future updates.

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    David Nierengarten's questions to Kiniksa Pharmaceuticals International PLC (KNSA) leadership • Q3 2024

    Question

    David Nierengarten followed up on the topic of first-recurrence patients, asking if there are any observable trends indicating that more experienced or repeat prescribers are the ones using ARCALYST earlier in the disease course.

    Answer

    Chief Commercial Officer Ross Moat responded that prescribing for first-recurrence patients appears to be scattered across the board, with no specific correlation to prescriber experience or repeat status observed yet. He emphasized that the company's strategic initiatives, like the partnership with the American Heart Association, are focused on shortening the overall patient journey to an accurate diagnosis for all patient types.

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    David Nierengarten's questions to Y-mAbs Therapeutics Inc (YMAB) leadership

    David Nierengarten's questions to Y-mAbs Therapeutics Inc (YMAB) leadership • Q1 2025

    Question

    David Nierengarten questioned the rationale for starting the CD38-SADA study with the original linker if the company was already planning to swap it out for an improved version in the GD2-SADA program.

    Answer

    CEO Michael Rossi clarified that the primary goal of the initial studies (1001 and 1201) is to establish the safety of the SADA protein itself, which remains constant. By using the existing linker, they minimize variables. Once the protein's safety is confirmed, the new, improved linker-chelator can be introduced via a bridging study or amendment for the treatment phase of development.

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    David Nierengarten's questions to Y-mAbs Therapeutics Inc (YMAB) leadership • Q3 2024

    Question

    David Nierengarten asked for the rationale behind adjusting the GD2-SADA dose back to 1 mg/kg, questioning whether it was driven by differences in tumor types, tumor burden, or simply pharmacokinetics (PK).

    Answer

    President and CEO Michael Rossi clarified the decision was driven purely by PK data, not tumor type or burden. The human PK profile at 0.3, 1, and 3 mg/kg closely matched preclinical models, which had pointed to 1 mg/kg as the optimal dose to 'paint the tumor' without prolonging clearance time. The adjustment back to 1 mg/kg was a logical step to fine-tune the dosing window based on this data, and was not related to any toxicity concerns.

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    David Nierengarten's questions to argenx SE (ARGX) leadership

    David Nierengarten's questions to argenx SE (ARGX) leadership • Q1 2025

    Question

    David Nierengarten asked if the treatment dynamics for ocular MG differ from generalized MG and how this might affect commercialization plans and treatment duration.

    Answer

    Chief Executive Officer Tim Van Hauwermeiren described ocular MG as a debilitating condition with high unmet need and a very limited treatment toolbox, typically consisting of mestinon and high-dose corticosteroids. He positioned VYVGART as a disruptive alternative with a strong benefit-risk profile, highlighting the opportunity to offer these patients a real alternative to chronic high-dose steroids.

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