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Darzalex belongs to the group of anti-cancer drugs and affects the immune system, concentrated solution dosage form. The drug has the main ingredient is Daratumumab 20mg/ml, packed in box of 1 x 5ml or 1 vial x 20ml. Follow the article below to know what drug Darzalex is? Dosage and how to use?
1. Indications of the drug Darzalex
Drug Darzalex is indicated for people with multiple myeloma. Specifically:
Darzalex in combination with Dexamethasone and Lenalidomide for the treatment of patients ineligible for autologous stem cell transplantation or refractory multiple myeloma who have received at least one prior treatment. Darzalex in combination with Melphalan, Bortezomib and Prednisone for the treatment of newly diagnosed patients who are not eligible for autologous stem cell transplantation. Darzalex in combination with Thalidomide, Bortezomib and Dexamethasone for the treatment of people diagnosed as eligible for autologous stem cell transplantation. Darzalex in combination with Dexamethasone and Bortezomib to treat people who have received at least one prior therapy. Darzalex in combination with Dexamethasone and Pomalidomide for the treatment of people who have received at least 2 prior therapies including a proteasome inhibitor and lenalidomide. Human monotherapy who has received at least 3 prior lines of therapy including: Immunomodulators and proteasome inhibitors (PIs) or as dual refractory to PIs.
2. Contraindications of the drug Darzalex
Do not use Darzalex in case the patient is sensitive to the ingredients and excipients in the drug.
3. Dosage and how to use Darzalex
Dosage of Darzalex in Table 1 is for combination therapy and monotherapy. Specifically as follows:
Combination therapy with Lenalidomide and low dose dexamethasone for newly diagnosed patients ineligible for autologous stem cell transplantation (ASCT) and in patients with recurrent multiple myeloma . Combination therapy with pomalidomide and low-dose dexamethasone for patients with recurrent multiple myeloma. Monotherapy for patients with recurrent multiple myeloma. The recommended dose of Darzalex is 16 mg/kg actual body weight administered as an intravenous infusion according to the following dosing schedule:
| Tuần | Lịch trình |
| Tuần 1 đến 8 | Hàng tuần (tổng cộng 8 liều) |
| Tuần 9 đến 24 | 2 tuần một lần (tổng cộng 8 liều) |
| Tuần 25 trở đi cho đến khi bệnh tiến triển nặng | 4 tuần một lần |
Table 1: Dosing schedule for Darzalex in combination with Lenalidomide or Pomalidomide (4-week cycle dosing regimen) and low-dose dexamethasone and for monotherapy
Note:
The first dose of the 2-week dosing schedule is given Out at Week 9 The first dose of the dosing schedule every 4 weeks is given at Week 25 The Darzalex dosing schedule in table 2 is for combination treatment with Bortezomib, Melphalan and Prednisone (6 week cycle regimen) for those newly diagnosed patients with multiple myeloma are not eligible for ASCT.
The recommended dose of Darzalex is 16 mg/kg actual body weight administered as an intravenous infusion according to the following dosing schedule:
| Tuần | Lịch trình |
| Tuần 1 đến 6 | Hàng tuần (tổng cộng 6 liều) |
| Tuần 7 đến 54 | Cứ sau ba tuần (tổng cộng 16 liều) |
| Tuần 55 trở đi cho đến khi bệnh tiến triển nặng | 4 tuần một lần |
Table 2: Darzalex dosing schedule in combination with Bortezomib, Melphalan and Prednisone ([VMP], 6-week cycle dosing regimen)
Note:
The first dose of the dosing schedule every 3 weeks is given at Week 7 The first dose of the dosing schedule every 4 weeks is given at Week 55. The above Darzalex dosage is for reference only. The specific dose of Darzalex depends on the condition and the progression of the disease. To get the right dose of Darzalex, patients should consult with their doctor or healthcare professional.
How to deal with missed dose, overdose of Darzalex:
In case of missing dose of Darzalex, it is advisable to supplement as soon as possible. However, if it is almost time for the next dose, skip the missed dose of Darzalex and use a new dose. When using Darzalex drug overdose, the patient needs to stop the drug immediately and go to the nearest medical facility for timely treatment.
4. Side effects of the drug Darzalex
During the use of Darzalex, patients may still experience side effects such as:
Bronchospasm; Shortness of breath; Laryngeal edema; Pulmonary edema ; Lack of oxygen; Hypertension ; Stuffy nose; Cough and chills; Throat irritation; Vomiting and nausea; Herpes Zoster virus reactivation; Infection; Hepatitis B virus (HBV) reactivation; Pancreatitis (1%); Neutropenia ; Decreased platelets. If you experience these symptoms, the patient should stop using Darzalex and notify the doctor for appropriate treatment.
5. Notes when using the drug Darzalex
Care should be taken when using Darzalex for people with severe liver and kidney failure. Pregnant and nursing women should consult their doctor before taking Darzalex. Absolutely do not use when Darzalex has signs of discoloration, mold, watery or expired. Above is all information about the drug Darzalex, patients need to carefully read the instructions for use, consult a doctor / pharmacist before using. Absolutely do not arbitrarily buy Darzalex home treatment because there may be unwanted side effects.
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