Oropharyngeal Cancer, Adult - 8 Studies Found Recruiting : Image-Guided Stereotactic Radiosurgery (SRS) Boost for HPV-Oropharyngeal Cancer : Cancer of the Oropharynx : 2015-12-15 : Radiation: Stereotactic Radiosurgery Patients will receive 6 weeks of IMRT (standard of care) followed b Recruiting : Radiation Therapy With or Without Combination Chemotherapy in Treating Patients With Advanced Cancer of the Oropharynx or Hypopharynx : Head and Neck Cancer : 1999-11-01 : Drug: cisplatin Drug: fluorouracil Completed : Protein Expression in Tumor Tissue Samples From Patients With Cancer of the Oropharynx : Head and Neck Cancer : 2009-05-09 : Genetic: gene expression analysis Terminated : S0427, Combination Chemotherapy & RT in Treating Patients With Stage III or Stage IV Cancer of the Oropharynx : Head and Neck Cancer : 2005-12-21 : Drug: cisplatin Other Name: pl Completed : DNA Analysis of Tumor Tissue Samples From Patients With Human Papilloma Virus-Associated Cancer of the Oropharynx : Head and Neck Cancer : 2009-05-09 : Genetic: gene expression analysis Genetic: Terminated : Radiation Therapy With or Without Cetuximab in Treating Patients With Stage III or Stage IV Cancer of the Oropharynx, Hypopharynx, or Larynx : Head and Neck Cancer : 2000-01-28 : Biological: cetuximab Procedure: conventio Terminated : 3'-Deoxy-3'-[18F] Fluorothymidine and Fludeoxyglucose F 18 PET Scans in Evaluating Response to Cetuximab, Cisplatin, and Radiation Therapy in Patients With Advanced Cancer of the Oropharynx, Larynx, or Hypopharynx : Head and Neck Cancer : 2008-09-22 : Biological: cetuximab Drug: cisplatin Recruiting : Can DW MRI Predict Outcome During Radiotherapy for Head and Neck Cancer? : Head and Neck Cancer : 2015-07-06 : Other: Diffuse Weighted MRI The DW MRI scans will be used to measure ADC and to calculate change in ADC