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All > Illinois Investigators

Cathy L. Clausen, MD

Cancer Institute at St. John's ...

Springfield, Illinois - 62702 (765-646-8358)
  • SINCE2003
Gemcitabine Hydrochloride With or Without Erlotinib Hydrochloride Followed By the Same Chemotherapy Regimen With or Without Radiation Therapy and Capecitabine or Fluorouracil in Treating Patients With Pancreatic Cancer That Has Been Removed By Surgery

November 2009 - April 2015
Radiation Therapy With or Without Cetuximab in Treating Patients Who Have Undergone Surgery for Locally Advanced Head and Neck Cancer

November 2009 - June 2015
Zoledronate Vitamin D and Calcium With or Without Strontium 89 or Samarium 153 in Preventing or Delaying Bone Problems in Patients With Bone Metastases From Prostate Cancer Lung Cancer or Breast Cancer

July 2006 - March 2013
Radiation Therapy in Treating Women Who Have Undergone Surgery For Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer

March 2005 - June 2015
Prostate Radiation Therapy or Short-Term Androgen Deprivation Therapy and Pelvic Lymph Node Radiation Therapy With or Without Prostate Radiation Therapy in Treating Patients With a Rising PSA After Surgery for Prostate Cancer

February 2008 - December 2017
Interstitial Brachytherapy With or Without External-Beam Radiation Therapy in Treating Patients With Prostate Cancer

June 2003 - April 2011
Paclitaxel Cisplatin and Radiation Therapy With or Without Cetuximab in Treating Patients With Locally Advanced Esophageal Cancer

June 2008 - December 2015
Ultrasound-Guided Implant Radiation Therapy in Treating Patients With Locally Recurrent Prostate Cancer Previously Treated With External-Beam Radiation Therapy

May 2007 - December 2009
Changes in DNA After Radiation Therapy in Patients With Prostate Cancer

June 2006 -
Breast Neoplasms

Lung Neoplasms


Prostatic Neoplasms

Neoplasm Metastasis

Pancreatic Neoplasms

Head and Neck Neoplasms

Esophageal Diseases

Esophageal Neoplasms

Carcinoma in Situ

Carcinoma, Intraductal, Noninfiltrating

Intensity-Modulated Radiation Therapy

Laboratory Biomarker Analysis

Zoledronic Acid




Erlotinib Hydrochloride

Gemcitabine Hydrochloride

Radiation Therapy


3-Dimensional Conformal Radiation Therapy

Vitamin D



Microarray Analysis


Calcium Carbonate


Calcium Citrate

Calcium Glucarate

Calcium Gluconate

Samarium Sm 153 Lexidronam Pentasodium

Strontium Chloride Sr 89

Iodine I 125

Palladium Pd 103

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