Prescription Drug Information: Docetaxel

DOCETAXEL- docetaxel injection, solution, concentrate
Jiangsu Hengrui Medicine Co., Ltd.

WARNING: TOXIC DEATHS, HEPATOTOXICITY, NEUTROPENIA, HYPERSENSITIVITY REACTIONS, and FLUID RETENTION

Treatment-related mortality associated with docetaxel is increased in patients with abnormal liver function, in patients receiving higher doses, and in patients with non-small cell lung carcinoma and a history of prior treatment with platinum-based chemotherapy who receive docetaxel as a single agent at a dose of 100 mg/m 2 [see Warnings and Precautions ( 5.1)].

Avoid the use of docetaxel in patients with bilirubin > upper limit of normal (ULN), or to patients with AST and/or ALT >1.5 x ULN concomitant with alkaline phosphatase >2.5 x ULN. Patients with elevations of bilirubin or abnormalities of transaminase concurrent with alkaline phosphatase are at increased risk for the development of severe neutropenia, febrile neutropenia, infections, severe thrombocytopenia, severe stomatitis, severe skin toxicity, and toxic death. Patients with isolated elevations of transaminase >1.5 x ULN also had a higher rate of febrile neutropenia. Measure bilirubin, AST or ALT, and alkaline phosphatase prior to each cycle of docetaxel [see Warnings and Precautions ( 5.2)].

Do not administer docetaxel to patients with neutrophil counts of <1500 cells/mm 3 . Monitor blood counts frequently as neutropenia may be severe and result in infection [see Warnings and Precautions ( 5.3)].

Do not administer docetaxel to patients who have a history of severe hypersensitivity reactions to docetaxel or to other drugs formulated with polysorbate 80 [see Contraindications ( 4 )]. Severe hypersensitivity reactions have been reported in patients despite dexamethasone premedication. Hypersensitivity reactions require immediate discontinuation of the docetaxel infusion and administration of appropriate therapy [see Warnings and Precautions ( 5.5 )].

Severe fluid retention occurred in 6.5% (6/92) of patients despite use of dexamethasone premedication. It was characterized by one or more of the following events: poorly tolerated peripheral edema, generalized edema, pleural effusion requiring urgent drainage, dyspnea at rest, cardiac tamponade, or pronounced abdominal distention (due to ascites) [see Warnings and Precautions ( 5.6 )].

1 INDICATIONS AND USAGE

1.1 Breast Cancer

Docetaxel Injection is indicated for the treatment of patients with locally advanced or metastatic breast cancer after failure of prior chemotherapy.

Docetaxel Injection in combination with doxorubicin and cyclophosphamide is indicated for the adjuvant treatment of patients with operable node-positive breast cancer.

1.2 Non-small Cell Lung Cancer

Docetaxel Injection as a single agent is indicated for the treatment of patients with locally advanced or metastatic non-small cell lung cancer after failure of prior platinum-based chemotherapy.

Docetaxel Injection in combination with cisplatin is indicated for the treatment of patients with unresectable, locally advanced or metastatic non-small cell lung cancer who have not previously received chemotherapy for this condition.

1.3 Prostate Cancer

Docetaxel Injection in combination with prednisone is indicated for the treatment of patients with metastatic castration-resistant prostate cancer.

1.4 Gastric Adenocarcinoma

Docetaxel Injection in combination with cisplatin and fluorouracil is indicated for the treatment of patients with advanced gastric adenocarcinoma, including adenocarcinoma of the gastroesophageal junction, who have not received prior chemotherapy for advanced disease.

1.5 Head and Neck Cancer

Docetaxel Injection in combination with cisplatin and fluorouracil is indicated for the induction treatment of patients with locally advanced squamous cell carcinoma of the head and neck (SCCHN).

2 DOSAGE AND ADMINISTRATION

For all indications, toxicities may warrant dosage adjustments [see Dosage and Administration ( 2.7)] . Administer in a facility equipped to manage possible complications (e.g. anaphylaxis).

2.1 Breast Cancer

  • For locally advanced or metastatic breast cancer after failure of prior chemotherapy, the recommended dose of docetaxel injection is 60 mg/m 2 to 100 mg/m 2 administered intravenously over 1 hour every 3 weeks.
  • For the adjuvant treatment of operable node-positive breast cancer, the recommended docetaxel injection dose is 75 mg/m 2 administered 1 hour after doxorubicin 50 mg/m 2 and cyclophosphamide 500 mg/m 2 every 3 weeks for 6 courses. Prophylactic G-CSF may be used to mitigate the risk of hematological toxicities [see Dosage and Administration ( 2.7)].

2.2 Non-small Cell Lung Cancer

  • For treatment after failure of prior platinum-based chemotherapy, docetaxel injection was evaluated as monotherapy, and the recommended dose is 75 mg/m 2 administered intravenously over 1 hour every 3 weeks. A dose of 100 mg/m 2 in patients previously treated with chemotherapy was associated with increased hematologic toxicity, infection, and treatment-related mortality in randomized controlled trials [see Boxed Warning, Dosage and Administration ( 2.7), Warnings and Precautions ( 5), Clinical Studies ( 14)].
  • For chemotherapy-naive patients, docetaxel injection was evaluated in combination with cisplatin. The recommended dose of docetaxel injection is 75 mg/m 2 administered intravenously over 1 hour immediately followed by cisplatin 75 mg/m 2 over 30-60 minutes every 3 weeks [see Dosage and Administration ( 2.7)].

2.3 Prostate Cancer

  • For metastatic castration-resistant prostate cancer, the recommended dose of docetaxel injection is 75 mg/m 2 every 3 weeks as a 1 hour intravenous infusion. Prednisone 5 mg orally twice daily is administered continuously [see Dosage and Administration ( 2.7)].

2.4 Gastric Adenocarcinoma

  • For gastric adenocarcinoma, the recommended dose of docetaxel injection is 75 mg/m 2 as a 1 hour intravenous infusion, followed by cisplatin 75 mg/m 2 , as a 1 to 3 hour intravenous infusion (both on day 1 only), followed by fluorouracil 750 mg/m 2 per day given as a 24-hour continuous intravenous infusion for 5 days, starting at the end of the cisplatin infusion. Treatment is repeated every three weeks. Patients must receive premedication with antiemetics and appropriate hydration for cisplatin administration [see Dosage and Administration ( 2.7)] .

2.5 Head and Neck Cancer

Patients must receive premedication with antiemetics, and appropriate hydration (prior to and after cisplatin administration). Prophylaxis for neutropenic infections should be administered. All patients treated on the docetaxel injection containing arms of the TAX323 and TAX324 studies received prophylactic antibiotics.

  • Induction Chemotherapy Followed by Radiotherapy (TAX323)
    For the induction treatment of locally advanced inoperable SCCHN, the recommended dose of docetaxel injection is 75 mg/m 2 as a 1 hour intravenous infusion followed by cisplatin 75 mg/m 2 intravenously over 1 hour, on day one, followed by fluorouracil as a continuous intravenous infusion at 750 mg/m 2 per day for five days. This regimen is administered every 3 weeks for 4 cycles. Following chemotherapy, patients should receive radiotherapy [see Dosage and Administration ( 2.7)].
  • Induction Chemotherapy Followed by Chemoradiotherapy (TAX324) For the induction treatment of patients with locally advanced (unresectable, low surgical cure, or organ preservation) SCCHN, the recommended dose of docetaxel injection is 75 mg/m 2 as a 1 hour intravenous infusion on day 1, followed by cisplatin 100 mg/m 2 administered as a 30-minute to 3 hour infusion, followed by fluorouracil 1000 mg/m 2 /day as a continuous infusion from day 1 to day 4. This regimen is administered every 3 weeks for 3 cycles. Following chemotherapy, patients should receive chemoradiotherapy [see Dosage and Administration ( 2.7)].

2.6 Premedication Regimen

All patients should be premedicated with oral corticosteroids (see below for prostate cancer) such as dexamethasone 16 mg per day (e.g., 8 mg twice daily) for 3 days starting 1 day prior to docetaxel injection administration in order to reduce the incidence and severity of fluid retention as well as the severity of hypersensitivity reactions [see Boxed Warning, Warnings and Precautions ( 5.5)] .

For metastatic castration-resistant prostate cancer, given the concurrent use of prednisone, the recommended premedication regimen is oral dexamethasone 8 mg at 12 hours, 3 hours, and 1 hour before the docetaxel injection infusion [see Warnings and Precautions ( 5.5)].

2.7 Dosage Adjustments during Treatment

Breast Cancer

Patients who are dosed initially at 100 mg/m 2 and who experience either febrile neutropenia, neutrophils <500 cells/mm 3 for more than 1 week, or severe or cumulative cutaneous reactions during docetaxel injection therapy should have the dosage adjusted from 100 mg/m 2 to 75 mg/m 2. If the patient continues to experience these reactions, the dosage should either be decreased from 75 mg/m 2 to 55 mg/m 2 or the treatment should be discontinued. Conversely, patients who are dosed initially at 60 mg/m 2 and who do not experience febrile neutropenia, neutrophils <500 cells/mm 3 for more than 1 week, severe or cumulative cutaneous reactions, or severe peripheral neuropathy during docetaxel injection therapy may tolerate higher doses. Patients who develop ≥ grade 3 peripheral neuropathy should have docetaxel injection treatment discontinued entirely.

Combination Therapy with Docetaxel Injection in the Adjuvant Treatment of Breast Cancer

Docetaxel injection in combination with doxorubicin and cyclophosphamide should be administered when the neutrophil count is ≥1,500 cells/mm 3. Patients who experience febrile neutropenia should receive G-CSF in all subsequent cycles. Patients who continue to experience this reaction should remain on G-CSF and have their docetaxel injection dose reduced to 60 mg/m 2. Patients who experience grade 3 or 4 stomatitis should have their docetaxel injection dose decreased to 60 mg/m 2. Patients who experience severe or cumulative cutaneous reactions or moderate neurosensory signs and/or symptoms during docetaxel injection therapy should have their dosage of docetaxel injection reduced from 75 mg/m 2 to 60 mg/m 2. If the patient continues to experience these reactions at 60 mg/m 2 , treatment should be discontinued.

Non-small Cell Lung Cancer

Monotherapy with Docetaxel Injection for NSCLC treatment after failure of prior platinum-based chemotherapy

Patients who are dosed initially at 75 mg/m 2 and who experience either febrile neutropenia, neutrophils <500 cells/mm 3 for more than one week, severe or cumulative cutaneous reactions, or other grade 3/4 non-hematological toxicities during docetaxel injection treatment should have treatment withheld until resolution of the toxicity and then resumed at 55 mg/m 2. Patients who develop ≥grade 3 peripheral neuropathy should have docetaxel injection treatment discontinued entirely.

Combination therapy with Docetaxel Injection for chemotherapy-naive NSCLC

For patients who are dosed initially at docetaxel injection 75 mg/m 2 in combination with cisplatin, and whose nadir of platelet count during the previous course of therapy is <25,000 cells/mm 3 , in patients who experience febrile neutropenia, and in patients with serious non-hematologic toxicities, the docetaxel injection dosage in subsequent cycles should be reduced to 65 mg/m 2. In patients who require a further dose reduction, a dose of 50 mg/m 2 is recommended. For cisplatin dosage adjustments, see manufacturers’ prescribing information.

Prostate Cancer

Combination therapy with Docetaxel Injection for metastatic castration-resistant prostate cancer

Docetaxel injection should be administered when the neutrophil count is ≥1,500 cells/mm 3. Patients who experience either febrile neutropenia, neutrophils <500 cells/mm 3 for more than one week, severe or cumulative cutaneous reactions or moderate neurosensory signs and/or symptoms during docetaxel injection therapy should have the dosage of docetaxel injection reduced from 75 mg/m 2 to 60 mg/m 2. If the patient continues to experience these reactions at 60 mg/m 2 , the treatment should be discontinued.

Gastric or Head and Neck Cancer

Docetaxel Injection in combination with cisplatin and fluorouracil in gastric cancer or head and neck cancer

Patients treated with docetaxel injection in combination with cisplatin and fluorouracil must receive antiemetics and appropriate hydration according to current institutional guidelines. In both studies, G-CSF was recommended during the second and/or subsequent cycles in case of febrile neutropenia, or documented infection with neutropenia, or neutropenia lasting more than 7 days. If an episode of febrile neutropenia, prolonged neutropenia or neutropenic infection occurs despite G-CSF use, the docetaxel injection dose should be reduced from 75 mg/m 2 to 60 mg/m 2. If subsequent episodes of complicated neutropenia occur the docetaxel injection dose should be reduced from 60 mg/m 2 to 45 mg/m 2. In case of grade 4 thrombocytopenia the docetaxel injection dose should be reduced from 75 mg/m 2 to 60 mg/m 2. Do not retreat patients with subsequent cycles of docetaxel injection until neutrophils recover to a level >1,500 cells/mm 3 [see Contraindications ( 4)]. Avoid retreating patients until platelets recover to a level >100,000 cells/mm 3. Discontinue treatment if these toxicities persist [see Warnings and Precautions ( 5.3)].

Recommended dose modifications for toxicities in patients treated with docetaxel injection in combination with cisplatin and fluorouracil are shown in Table 1.

Table 1: Recommended Dose Modifications for Toxicities in Patients Treated with Docetaxel Injection in Combination with Cisplatin and Fluorouracil
Toxicity Dosage adjustment
Diarrhea grade 3 First episode: reduce fluorouracil dose by 20%. Second episode: then reduce docetaxel injection dose by 20%.
Diarrhea grade 4 First episode: reduce docetaxel injection and fluorouracil doses by 20%. Second episode: discontinue treatment.
Stomatitis/mucositis grade 3 First episode: reduce fluorouracil dose by 20%. Second episode: stop fluorouracil only, at all subsequent cycles. Third episode: reduce docetaxel injection dose by 20%.
Stomatitis/mucositis grade 4 First episode: stop fluorouracil only, at all subsequent cycles. Second episode: reduce docetaxel injection dose by 20%.

Liver dysfunction:

In case of AST/ALT >2.5 to ≤5 x ULN and AP≤2.5 x ULN, or AST/ALT >1.5 to ≤5 x ULN and AP >2.5 to ≤5 x ULN, docetaxel injection should be reduced by 20%.

In case of AST/ALT >5 x ULN and/or AP >5 x ULN docetaxel injection should be stopped.

The dose modifications for cisplatin and fluorouracil in the gastric cancer study are provided below.

Cisplatin dose modifications and delays

Peripheral neuropathy: A neurological examination should be performed before entry into the study, and then at least every 2 cycles and at the end of treatment. In the case of neurological signs or symptoms, more frequent examinations should be performed and the following dose modifications can be made according to NCI-CTCAE grade:

  • Grade 2: Reduce cisplatin dose by 20%.
  • Grade 3: Discontinue treatment.

Ototoxicity: In the case of grade 3 toxicity, discontinue treatment.

Nephrotoxicity: In the event of a rise in serum creatinine ≥grade 2 (>1.5 x normal value) despite adequate rehydration, CrCl should be determined before each subsequent cycle and the following dose reductions should be considered (see Table 2).

For other cisplatin dosage adjustments, also refer to the manufacturers’ prescribing information.

Table 2: Dose Reductions for Evaluation of Creatinine Clearance

CrCl = Creatinine clearance

Creatinine clearance result before next cycle Cisplatin dose next cycle
CrCl ≥60 mL/min Full dose of cisplatin was given. CrCl was to be repeated before each treatment cycle.
CrCl between 40 and 59 mL/min Dose of cisplatin was reduced by 50% at subsequent cycle. If CrCl was >60 mL/min at end of cycle, full cisplatin dose was reinstituted at the next cycle. If no recovery was observed, then cisplatin was omitted from the next treatment cycle.
CrCl < 40 mL/min Dose of cisplatin was omitted in that treatment cycle only. If CrCl was still <40 mL/min at the end of cycle, cisplatin was discontinued. If CrCl was >40 and <60 mL/min at end of cycle, a 50% cisplatin dose was given at the next cycle. If CrCl was >60 mL/min at end of cycle, full cisplatin dose was given at next cycle.

Fluorouracil dose modifications and treatment delays

For diarrhea and stomatitis, see Table 1.

In the event of grade 2 or greater plantar-palmar toxicity, fluorouracil should be stopped until recovery. The fluorouracil dosage should be reduced by 20%.

For other greater than grade 3 toxicities, except alopecia and anemia, chemotherapy should be delayed (for a maximum of 2 weeks from the planned date of infusion) until resolution to grade ≤1 and then recommenced, if medically appropriate.

For other fluorouracil dosage adjustments, also refer to the manufacturers’ prescribing information.

Combination Therapy with Strong CYP3A4 Inhibitors

Avoid using concomitant strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin and voriconazole). There are no clinical data with a dose adjustment in patients receiving strong CYP3A4 inhibitors. Based on extrapolation from a pharmacokinetic study with ketoconazole in 7 patients, consider a 50% docetaxel dose reduction if patients require coadministration of a strong CYP3A4 inhibitor [see Drug Interactions ( 7), Clinical Pharmacology ( 12.3)].

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