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  • A First-in-Human, Open-Label, Dose Escalation and Expansion Trial of BTX-9341 in Participants with Advanced and/or Metastatic Breast Cancer Rochester, Minn.

    The purpose of this study is to test BTX-9341 alone or in combination with fulvestrant (a currently marketed medication for breast cancer) in participants with advanced and/or metastatic hormone receptor positive (HR+)/human epidermal growth factor receptor 2 negative (HER2-) breast cancer. The study includes a dose escalation part (Part A) where small groups of participants will receive increasing doses of BTX-9341 or BTX-9341 + fulvestrant followed by a dose expansion part (Part B) where participants will receive the dose of BTX-9341 selected in Part A + fulvestrant.

  • An Open-Label, Multicenter Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of XL309 (ISM3091) as Single-Agent and Combination Therapy in Patients With Advanced Solid Tumors Jacksonville, Fla., Rochester, Minn. This is a FIH, multicenter, open-label Phase I study to investigate the safety, tolerability, preliminary antitumor activity, as well as PK and pharmacodynamics of XL309 (previously ISM3091) administered alone or in combination with olaparib in subjects with advanced solid tumors.
  • Immune Response to Anti-HER2 Therapies Jacksonville, Fla.

    The purpose of this study is to determine the correlation between HER2 specific T-cell response in HER2-positive breast cancer patients with stage I-IV who receive anti-HER2 therapies, such as trastuzumab, pertuzumab, lapatinib, or neratinib and clinical responses.

  • MC210304: Probiotics Preventing Immune Checkpoint Inhibitor-Induced Colitis (MC210304) Jacksonville, Fla.

    This is a prospective, pilot, single arm study to evaluate the incidence of IIC in patients with solid malignancies receiving VSL#3 and ICIs. Given the fact that the effects of over-the-counter probiotics in reducing the risks of IIC remains largely unknown. Given that this is a small pilot study to generate preliminary data, there will be no randomization in this trial. The results of this trial will provide a foundation for the future development of larger definitive randomized controlled trials. Patients with solid malignancy who will be receiving ICI as per standard of care will be enrolled in this trial.  Patients will receive VSL#3® 450B sachets probiotics, which will be provided as part of this trial, at least 3 days but preferably 1-2 weeks prior to starting on ICIs. Patients will be followed per standard of care during ICI treatment and continue VSL#3 for 12 more weeks while on ICI. Patients will complete dietary questionnaire and have research blood draws and stool collections at baseline prior to starting VSL#3 and 3 additional time points. Adherence to the probiotic schedule will be captured in a study diary.  Adverse events as well as incidence and severity of IIC will be graded using NCI CTCAE version 5. Patients will have imaging performed per standard of care.

    Primary Goal

    • To evaluate the incidence of immune checkpoint inhibitors (ICI)-induced colitis (IIC) in patients with solid malignancies receiving over-the-counter multi-strain probiotic blend and ICIs in both cohorts: (1) anti-CTLA-4 +/- anti-PD-1/PD-L1, and (2) anti-PD-1/PD-L1 +/- chemo.  

    Secondary Goals

    • To evaluate the safety of multi-strain probiotic blend in cancer patients receiving ICIs.
    • To evaluate the clinical outcomes related to IIC, including the incidence of IIC, hospitalization, treatment delays, and administration of immunosuppressants.

    Exploratory Goals

    • To evaluate changes in gut microbiome with ICIs and multi-strain probiotic blend.
    • To evaluate changes in immune response with ICIs and multi-strain probiotic blend.
  • Phase II Trial to Evaluate Immune-related Biomarkers for Pathological Response in Stage II-III HER2-positive Breast Cancer Receiving Neoadjuvant Chemotherapy with Subsequent Randomization to Multi-epitope HER2 Vaccine vs. Placebo in Patients with Residual Disease Post-neoadjuvant Chemotherapy Rochester, Minn., Jacksonville, Fla., Scottsdale/Phoenix, Ariz.

    The purpose of this study is to evaluate invasive disease-free survival (iDFS) of multi-epitope HER2 vaccine vs. placebo in combination with ado-trastuzumab emtansine (TTT-DM1) in patients with stage II-III HER2+ breast cancer with residual disease post-neoadjuvant chemotherapy, and to evaluate the safety of multi-epitope HER2 vaccine given concurrently with T-DM1 maintenance therapy.

  • Spatial analysis of the immune landscape of stage 4 triple-negative breast cancer Jacksonville, Fla.

    The purpose of this study is to identify who may or may not be a good fit for specific cancer treatments. Investigators will be attempting to identify markers that may make someone resistant to specific therapies in order to avoid harsh treatments that would not be effective or target more effective treatments at the offset.

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