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More Disappointing Results with EGFR/COX-2 Combination

May 21, 2008 - 9:14 pm

   When I first started OncTalk, there was a lot of buzz about celebrex (celecoxib) as a cancer drug, but almost all of it was among patients talking about it on the internet: oncologists watching the field hadn’t been impressed by the early returns, including this one (despite the fact that some of my earliest work […]

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Calcitriol in Lung Cancer

September 8, 2007 - 6:45 pm

   My presentation at the World Conference on Lung Cancer last week was on a trial I led for patients with previously treated advanced NSCLC, who received a combination of taxotere every three weeks along with a new drug called DN-101, or Asentar.  It’s actually a new formulation of calcitriol, which stimulates the vitamin D receptor […]

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Combinations of Proteasome Inhibitor Velcade with Chemo or Targeted Agents

September 1, 2007 - 1:25 pm

   Let’s move to combinations of velcade with other anti-cancer agents. My friend, Dr.Angela Davies from the University of California at Davis, led a single-arm phase II trial conducted by the Southwest Oncology Group, SWOG 0339, that evaluated the combination of velcade with gemcitabine and carboplatin (abstract here). A total of 114 patients previously untreated for advanced […]

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Motexafin Gadolinium (Xcytrin) with WBRT for Brain Metastases?

April 18, 2007 - 10:28 pm

   A novel agent called motexafin gadolinium (MGd), with a marketed name of Xcytrin, has been studied as a potential neuroprotectant as well as radiosensitizer that may allow patients with brain metastases to do better when it as added to whole brain radiation therapy (WBRT) than they would with WBRT alone.  It is a molecule […]

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COX-2 Inhibition Combined with Chemo for NSCLC

April 11, 2007 - 8:40 pm

  Celecoxib (Celebrex) has been studied in combination with chemo for NSCLC and has generated enough promising results to raise expectations but also enough negative data to produce disappointment.  Dr. Altorki’s trial (abstract here) gave 29 patients with stage IIIA, resectable NSCLC celebrex at 400 mg by mouth twice daily (higher than standard arthritis dosing, but the dose […]

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COX-2 Inhibitor Therapy: Potential Relevance as Cancer Treatment?

April 10, 2007 - 12:37 am

   We’ll break from brain metastases for a while to talk about another potential avenue of targeted therapy in lung cancer: the cyclo-oxygenase, or COX, pathway.
  Cyclo-oxygenase (COX) inhibition has been studied as a potential mechanism for inhibiting cancer over the past few years, and recently some early clinical trial results have looked promising and […]

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