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Ezra Cohen Profile
Ezra Cohen

@DrEzraCohen

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CMO of Oncology, Tempus Labs

San Diego, CA
Joined December 2019
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@DrEzraCohen
Ezra Cohen
22 days
Infusion of autologous macrophages to treat liver cirrhosis. Notable that, after 1 year, there were no deaths in the experimental arm [n=27] and 3 in the control arm [n=24]. Could this replace liver transplant in the future?
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@DrEzraCohen
Ezra Cohen
3 months
Post-surgical ctDNA MRD status is prognostic in colorectal cancer. I was especially intrigued that adjuvant chemotherapy seemed to have benefit almost entirely in MRD+ patients.
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@DrEzraCohen
Ezra Cohen
3 months
Encouraging results combining cabozantinib with anti-PD1 in HNSCC. Would be great to have a biomarker of efficacy to de-risk phase 3 given LEAP-10 data.
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@DrEzraCohen
Ezra Cohen
4 months
High response rate of anti-PD1 in Kaposi's sarcoma. This should be the new standard of care.
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@DrEzraCohen
Ezra Cohen
5 months
Great demonstration of anti-PD1 crossing blood-brain-barrier and reaching GBM tumors with signficant increase in CD8 and TME changes. Resistance is not a matter of drug not getting to the tumor.
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@DrEzraCohen
Ezra Cohen
5 months
Elegant and effective. Really interesting approach to CAR-T engineering.
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@DrEzraCohen
Ezra Cohen
6 months
Highlighting the temporal and spatial coordination of CD4/CD8/DC interactions.
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@DrEzraCohen
Ezra Cohen
7 months
Mandated Medicaid coverage of the routine costs of clinical trial participation increases participation by 5% in underserved minorities. Why is this not universal across the country?
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@DrEzraCohen
Ezra Cohen
7 months
This is remarkable work from the Surgery Branch - proof or principle that autologous T cells can be transduced with personalized neoantigen TCRs that produce clinical responses in patients with refractory colorectal cancer.
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@DrEzraCohen
Ezra Cohen
7 months
Remarkable work cataloguing the diversity and complexity of tumor associated macrophages. This will be a valuable tool in cancer immunotherapy.
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@DrEzraCohen
Ezra Cohen
8 months
Great study linking emotional distress to immunotherapy treatment outcomes. The effect size is similar to PDL1 status. Measures of psychological well-being should be part of every oncology assessment.
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@DrEzraCohen
Ezra Cohen
8 months
This is what happens when one combines a biomarker defined patient population with effectively directed systemic therapy - median follow-up 26 months, no recurrences.
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@DrEzraCohen
Ezra Cohen
9 months
Inflammatory tongue conditions appear to predispose to oral tongue cancer. Etiology remains unclear but beginning to understand why this disease is rising in incidence.
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@DrEzraCohen
Ezra Cohen
9 months
@harpreet_md @oncodaily Congratulations.
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@DrEzraCohen
Ezra Cohen
9 months
Hindsight is easy but PDL1 expression appears to strongly predict pCR. That should help pave the path forward.
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@DrEzraCohen
Ezra Cohen
9 months
We need to change the paradigm in LA-HNSCC. Adding anti-PD1/PDL1 concurrently or adjuvantly has not worked. I think the solution will come with better biomarkers, changing radiation dosing, and rationally applied therapy sequencing.
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@DrEzraCohen
Ezra Cohen
10 months
Intriguing mechansim underscoring the influence of cancer associated fibroblasts in treatment resistence. These cells are not just bystanders.
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@DrEzraCohen
Ezra Cohen
11 months
@Dr_RShatsky @UCSDCancer Be bold, wear it.
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@DrEzraCohen
Ezra Cohen
11 months
Targeting antigens with TCR-T and vaccine simultaneously offers a potential strategy to enhance efficacy of both.
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@DrEzraCohen
Ezra Cohen
11 months
Impressive clinical responses to CD19 CAR-T in patients with autoimmune disease. 'Immunosuppressive therapy was completely stopped in all the patients.'
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