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Head & Neck Ca. (Epithelial tumors) Mohamad KADRI. MD. Clinical oncology. Medical director of AlBerouni University Hospital President of Syrian Association of Oncology (SAO)
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Head and neck cancer In 2014, more than 55000 new cases were diagnosed (3% of new cancer cases in USA). > 90% SCC… Alcohol, tobacco, and HPV, are now well accepted risk factors… NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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1- Head and neck epithelial ca (Nasopharyngeal Ts are not included) Tis,T1, T2 and N0 : - Surgery +/- RT. - RT. T3,T4, or N+ : - Surgery then RT or chemo/RT. - RT or chemo/RT, then surgery. - RT or chemo/RT. T any N any (maxill): Surgery and/or RT and/or Chemo/RT NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Concomitant chemo/RT CDDP 75-100 mg/m2, q3 wks. or 40-50 mg/m2, weekly. CDDP 75-100 mg/ m2, d1, q3wks. Fu 750-1000 mg/m2, d1-d4(5), q3wks. CDDP 20 mg/m2, d1-d5, q4wks. Fu 200 mg/m2, d1-d5, q4wks. CBDCA 70 mg/m2, d1-d5, q3-4wks. Fu 600 mg/m2, d1-d5, q3-4wks. - CDDP or CBDCA + Paclitaxel. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Concomitant Cetuximab/RT Cetuximab + RT: - SCC. Cetuximab (EGFR-antibody) is the 1 st targeted therapy approved for the treatment of HNSCC. - Head and neck, (Non-Nasopharyngeal). - concomitant with RT as definitive treatment. Cetuximab + RT: - 400 mg/m2, 2h inf, 1week before RT. - 250 mg/m2, 1h inf, weekly for 7wks starting with RT. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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Concomitant Cetuximab/RT Cetuximab + RT: Cetuximab + RT, is equal to CDDP + RT, and better than RT alone, (by 5.5% 3years OS), but without increase of toxicity. Cetuximab, can be considered an alternative to chemo for unfit patients to chemotherapy. (FDA approval) Cetuximab + chemotherapy + RT, Not routinely recommended now, due to toxicity. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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2- Nasopharynx T1 N0 : definitive RT. T2,3,4 and/or N+ : - CDDP 100 mg/m2, d1,22,43, or 40 mg/m2, weekly, during RT, followed by: - CDDP 80 mg/m2, d1, q3wks, 3cycles. - Fu 1000 mg/m2, d1-d4, q3wks, 3cycles. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy +/- Cetuximab
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The standard chemoradiotherapy approach for fit patients with locally advanced disease remains concurrent CDDP and RT. Induction chemotherapy is not considered standard treatment in advanced disease. ESMO Guidelines. Head & Neck Cancer. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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Induction chemotherapy +/- Cetuximab 1- Not approved as standard of care. 2- No significant survival benefit. 3- Category 3 for Nasopharyngeal ca.. 4- May be suitable, (as optional), for some cases. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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Induction chemotherapy (optional) 2-3 cycles Organ preservation plan. (total laryngectomy required) Very advanced H&N ca,(primary or nodes) excluded from primary surgery. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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Induction chemotherapy (optional) 2-3 cycles Organ preservation plan. (total laryngectomy required) Very advanced H&N ca,(primary or nodes) excluded from primary surgery. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1 2015
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Induction chemotherapy (optional) 2-3 cycles (organ preservation plan) 1- Hypopharynx, or supraglottic larynx, selected T1-2- 3 any N (total laryngectomy required). 2- Glottic larynx, T3 any N (total laryngectomy required). 3- Hypopharynx, supraglottic, or glottic larynx, T4a any N, (refuse primary surgery). NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy (optional) 2-3 cycles (organ preservation plan) 2-3 cycles induction chemotherapy, then re- staging: - CR or PR in primary site chemo/RT, followed by surgery to residuals. - Less than PR in primary site surgery, followed by RT or chemo/RT. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy (optional) 2-3 cycles Organ preservation plan. (total laryngectomy required) Very advanced H&N ca,(primary or nodes) excluded from primary surgery. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy (optional) 2-3 cycles 1- Oropharynx, T3-4 and/or N2-3, excluded from primary surgery. 2- Very advanced H&N ca,(primary or nodes) Induction CT, then RT or chemo/RT, followed by surgery or follow up. (increase locoregional/systemic control). NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy(optional) 2-3 cycles PF: - CDDP 75-100 mg/m2 d1, q3wks. - Fu 750-1000 mg/m2 d1-4(5), q3wks. TPF : - Docetaxel 75 mg/m2 d1, q3wks. - CDDP 75-100 mg/m2 d1, q3wks. - Fu 750-1000 mg/m2 d1-4(5), q3wks. PPF: - Paclitaxel 175 mg/m2, d1, q3-4wks. - CDDP 60 mg/m2 d1, q3-4wks. - Fu 750-1000 mg/m2 d1-4(5), q3wks. NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Induction chemotherapy…. CDDP-based induction chemotherapy followed by high dose q3w CDDP chemoradiotherapy is not recommended now due to toxicity concerns… After induction chemotherapy, multiple options can be used for the RT-based chemoradiation portion of therapy, RT alone, weekly carboplatin, cetuximab, and weekly CDDP for Nasopharyngeal ca.
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Recurrent, resistant, or metastatic disease Single agent: - Bleomycin. - MTX. - FU. - Docetaxel. -Paclitaxel. - CDDP. - CBDCA. - Capecitabine. -Gemcitabine. (Nasopharyngeal ca. only) -Venorelbine. (Non-Nasopharyngeal ca) -Cetuximab. (Non-Nasopharyngeal ca) NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Recurrent, resistant, or metastatic disease Combination chemotherapy : CDDP or Carboplatin + 5-Fu. Docetaxel + CDDP + Fu. CDDP + Epirubicin + Bleomycin. (Nasopharyngeal only) Paclitaxel or Docetaxel + CDDP or CBDCA. CDDP + Paclitaxel or Docetaxel + Cetuximab. (Non-nasopharyngeal) CDDP or CBDCA + Paclitaxel + Ifosfamide. Ifosfamide + Folinic acid + Fu. (Nasopharyngeal only) Gemcitabine + CDDP. (Nasopharyngeal only) CDDP or Carboplatin + 5-Fu + Cetuximab. (Non-nasopharyngeal) CDDP + Cetuximab. (Non-nasopharyngeal) Carboplatin + Cetuximab. (Nasopharyngeal only) Gemcitabine + Venorelbine. (Nasopharyngeal only) CDDP + Mitoxantrone. (salivary glands Ts.) CDDP + Doxorubicin. (salivary glands Ts.) NCCN Clinical Practice Guidelines in Oncology: Head & Neck Cancer, v.1. 2015
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Radiation therapy technique
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FIRST CURE OF CANCER BY X-RAYS 1899 - BASAL CELL CARCINOMA X-rays were used to cure cancer very soon after their discovery
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The first patient received radiation therapy from the medical linear accelerator Stanford 2-year-old boy with retinoblastoma
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Head and Neck Immobilization devices
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Organs at Risk
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PTV (70 Gy) = GTV (70)+ 1cm
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PTV (54-60 Gy) = CTV(54-60)+1cm
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Organs at Risk-DVH Cord max < 45 Gy. Brainstem max < 54 Gy. Optic nerves max < 50 Gy. Optic Chiasm max < 50 Gy. Retina max < 45 Gy. Target mean = 70 Gy, +/-5%. Non-involved tissue minimize.
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Fields Setup
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L - Nodes (AP - PA)
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R - Nodes (AP - PA)
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PTV – primary tumor (70 Gy)
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PTV - Node (70 Gy)
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Plan Sum
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Dose Volume Histogram
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Advanced computerization and Hardware control and processing. Advanced radiation safety devices MLC Multileaf collimator
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Lateral Isocenter Verification Portal Imaging
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Thank you Mohamad KADRI. MD. Clinical oncology. Medical director of AlBerouni University Hospital President of Syrian Association of Oncology (SAO)
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