Pancoast tumor medical therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Mazia Fatima, MBBS [2]

Overveiw

The optimal management approach of Pancoast tumor depends on a series of characteristics, that include pre-treatment evaluation, location, and adequate staging. Common treatment options for management include radiation therapy alone, radiation therapy and surgery, concurrent chemotherapy with radiation therapy and surgery, surgery alone (for selected patients).

Management Approach

The optimal management approach of Pancoast tumor depends on a series of characteristics, that include pre-treatment evaluation, location, and adequate staging. Common treatment options for management include:

• Radiation therapy alone
• Radiation therapy and surgery
• Concurrent chemotherapy with radiation therapy and surgery
• Surgery alone (for selected patients)

The treatment of a Pancoast lung cancer may differ to that of other types of non-small cell lung cancer due to its position and close proximity to vital structures (such as nerves and spine) which may make surgery difficult to be undertaken. As a result, and depending on the stage of the cancer, treatment may often involve radiation and chemotherapy given pre-operatively (neoadjuvant treatment) prior to surgery.

Chemotherapeutic Regimens

• Chemotherapeutic regimens are based on platinum agents such as cisplatin, carboplatin, oxaliplatin, and satraplatin. Alternative regimens include paclitaxel, gemcitabine, or etoposide.
• Chemotherapeutic regimens are adjusted based on individual characteristics and body surface. The regimen adjustment according to tumor evolution has demonstrated longer survival rates, optimal symptom control, and higher quality of life.
• Shown below is a table depicting the different choices of regimens for the initial or adjuvant chemotherapy of patients with Panocast tumor. The list of regimens has been adapted from the 2014 NCCN Lung Cancer guidelines.

Cisplatin Based Therapy

Agent	Recommended regimen
Cisplatin 50 mg/m2 + vinorelbine 25 mg/m2	Cisplatin on days 1 and 8, vinorelbine on days 1, 8, 15, 22 and every 28 days to a total of 4 cycles
Cisplatin 100 mg/m2 + vinorelbine 30 mg/m2	Cisplatin on day 1, vinorelbine on days 1, 8, 15, 22 and every 28 days to a total of 4 cycles
Cisplatin 75-80 mg/m2 + vinorelbine 25-50 mg/m2	Cisplatin on day 1, vinorelbine on days 1, 8 and every 21 days to a total of 4 cycles
Cisplatin 80 mg/m2 + vinorelbine 4 mg/m2	Cisplatin on days 1, 22, 43, 64, then every 21 days to a total of 4 cycles, vinorelbine on days 1, 8, 15, 22, 29, every 2 weeks after day 43 until the completion of cisplatin treatmet
Cisplatin 100 mg/m2 + etoposide 100 mg/m2	Cisplatin on day 1, etoposide through days 1 to 3 and every 28 days to a total of 4 cycles
Cisplatin 75 mg/m2 + gemcitabine 1250 mg/m2	Cisplatin on day 1, gemcitabine on days 1, 8 and every 21 days to a total of 4 cycles
Cisplatin 75 mg/m2 + docetaxel 75 mg/m2	Cisplatin on day 1, docetaxel on day 1 and every 21 days to a total of 4 cycles
Cisplatin 50 mg/m2 + pemetrexed 500 mg/m2	Cisplatin on day 1, pemetrexed on days 1 and every 21 days to a total of 4 cycles

Alternative Regimen

Paclitaxel 200 mg/m² on day 1 + carboplatin area under the concentration (AUC) 6 on day 1 and then every 21 days.

Chemotherapy with Radiation Therapy Regimens

Chemotherapy plus Radiation Therapy

The list bellow show the options for concomitant chemotherapy plus radiation therapy based on the 2014 NCCN Non-Small Cell Lung Cancer guidelines.

• Cisplatin 50 mg/m² on days 1, 8, 29 and 36 + etoposide 50 mg/m² through days 1 to 5 and then 29 to 33 + thoracic radiation therapy
• Cisplatin 100 mg/m² on days 1 and 29 + vinblastine 5 mg/m² weekly for 5 weeks + thoracic radiation therapy
• Cisplatin 75 mg/m² on the first day + pemetrexed 500 mg/m² on day 1 and then every 21 days to a total of 3 cycles + thoracic radiation therapy
• Carboplatin AUC 5 on the first day + pemetrexed 500 mg/m² on day 1 and then every 21 days to a total of 3 cycles + thoracic radiation therapy

Chemotherapy Followed by Radiation Therapy

The list bellow show the options for chemotherapy followed by radiation therapy based on the 2014 NCCN Non-Small Cell Lung Cancer guidelines.

• Cisplatin 100 mg/m² on days 1 and 29 + vinblastine 5 mg/m² per week on days 1, 8, 15, 22 and 29 followed by thoracic radiation therapy.
• Paclitaxel 200 mg/m² administered for 3 hours in the first day + carboplatin AUC 6 administered in 1 hour and then every 21 days to a total of 2 cycles followed by thoracic radiation therapy.

Chemotherapy plus Radiation Therapy, Followed by Chemotherapy

The list bellow show the options for concomitant chemotherapy plus radiation therapy followed by chemotherapy based on the 2014 NCCN Non-Small Cell Lung Cancer guidelines.

• Cisplatin 50 mg/m² on days 1, 8, 29 and 36 + etoposide 50 mg/m² through day 1 to 5 and then 29 to 33 + thoracic radiation therapy, then followed by cisplatin 50 mg/m² + etoposide 50 mg/m² to a total of 2 cycles.
• Paclitaxel 45 to 50 mg/m² once a week + carboplatin AUC 2 + thoracic radiation therapy, then followed by Paclitaxel 200 mg/m² + carboplatin AUC 6 to a total of 2 cycles.