Bone Marrow Mesenchymal Stem Cell-Derived Extracellular Vesicle Infusion for the Treatment of Respiratory Failure From COVID-19: A Randomized, Placebo-Controlled Dosing Clinical Trial.

Background: Bone marrow mesenchymal stem cell (BM-MSC)-derived extracellular vesicles (ExoFlo) convey the immunomodulatory and regenerative properties of intact BM-MSCs. This study aimed to determine the safety and efficacy of ExoFlo as treatment for moderate to severe ARDS in patients with severe COVID-19.

Research Question: Do two doses of ExoFlo safely reduce mortality in COVID-19-associated moderate to severe ARDS compared with placebo?

Study Design And Methods: A prospective phase 2 multicenter double-anonymized randomized placebo-controlled dosing trial was conducted at five sites across the United States with infusions of placebo, 10 mL of ExoFlo, or 15 mL of ExoFlo on days 1 and 4.

Prognostic Factors for Complete Response to Ibrutinib in Patients With Chronic Lymphocytic Leukemia: A Pooled Analysis of 2 Clinical Trials.

Importance: Ibrutinib, a first-in-class Bruton tyrosine kinase inhibitor taken once daily, is approved in the United States for patients with chronic lymphocytic leukemia/small lymphocytic lymphoma and allows for treatment without chemotherapy. Extended treatment with ibrutinib has demonstrated increased complete response (CR) rates over time.

Objective: To analyze baseline factors that predict CR in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma treated with ibrutinib.

Response-independent survival benefit in metastatic colorectal cancer: a comparative analysis of N9741 and AVF2107.

Purpose: In the phase III study AVF2107g, bevacizumab (BV) demonstrated a survival benefit when added to irinotecan, fluorouracil, and leucovorin (IFL) in first-line metastatic colorectal cancer (mCRC). In a parallel phase III study, Intergroup N9741, oxaliplatin plus fluorouracil and leucovorin (FOLFOX) also demonstrated a survival benefit compared with IFL. As these two superior therapies have differing mechanisms of action, we explored whether the improved survival associated with the superior therapy was dependent on tumor response.