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Gazyva
Overview
What is Gazyva?
GAZYVA (obinutuzumab) is a humanized anti-CD20 monoclonal antibody of the IgG1 subclass. It recognizes a specific epitope of the CD20 molecule found on B cells. The molecular mass of the antibody is approximately 150 kDa.
GAZYVA is produced by mammalian cell (CHO) suspension culture. GAZYVA was engineered for reduced fucose content as compared to a typical IgG1 produced in CHO cells. GAZYVA is a sterile, clear, colorless to slightly brown, preservative-free liquid concentrate for intravenous administration. GAZYVA is supplied at a concentration of 25 mg/mL in 1000 mg single-dose vials. The product is formulated in 20 mM L-histidine/L-histidine hydrochloride, 240 mM trehalose, 0.02% poloxamer 188. The pH is 6.0.
What does Gazyva look like?
What are the available doses of Gazyva?
1000 mg/40 mL (25 mg/mL) single-dose vial. ()
What should I talk to my health care provider before I take Gazyva?
How should I use Gazyva?
GAZYVA, in combination with chlorambucil, is indicated for the treatment of patients with previously untreated chronic lymphocytic leukemia .
Premedicate for infusion reactions and tumor lysis syndrome. (, , )
Dilute and administer as intravenous infusion. Do not administer as an intravenous push or bolus. ()
The dose for chronic lymphocytic leukemia is 100 mg on day 1 and 900 mg on day 2 of Cycle 1, 1000 mg on day 8 and 15 of Cycle 1, and 1000 mg on day 1 of Cycles 2–6. ()
The dose for follicular lymphoma is 1000 mg on day 1, 8 and 15 of Cycle 1, 1000 mg on day 1 of Cycles 2-6 or Cycles 2-8, and then 1000 mg every 2 months for up to 2 years. ()
What interacts with Gazyva?
Sorry No Records found
What are the warnings of Gazyva?
Sorry No Records found
What are the precautions of Gazyva?
Sorry No Records found
What are the side effects of Gazyva?
Sorry No records found
What should I look out for while using Gazyva?
GAZYVA is contraindicated in patients with known hypersensitivity reactions (e.g., anaphylaxis) to obinutuzumab or to any of the excipients, or serum sickness with prior obinutuzumab use
What might happen if I take too much Gazyva?
There has been no experience with overdose in human clinical trials. For patients who experience overdose, treatment should consist of immediate interruption or reduction of GAZYVA and supportive therapy.
How should I store and handle Gazyva?
Store at 20°C to 25°C (68°F to 77°F) [See USP Controlled Room Temperature]. Protect from light. Cephalexin capsules, USP are supplied as follows:The 250 mg capsules are a white to off white powder filled into size 2 capsules (dark green cap and dark green body) that are imprinted with “220” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-152-01 The 500 mg capsules are a white to off white powder filled into size 0 capsules (light green cap and light green body) that are imprinted with “219” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-163-01 Store at 20°C to 25°C (68°F to77°F); excursions permitted to 15 to 30°C (59 to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.Cephalexin capsules, USP are supplied as follows:The 250 mg capsules are a white to off white powder filled into size 2 capsules (dark green cap and dark green body) that are imprinted with “220” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-152-01 The 500 mg capsules are a white to off white powder filled into size 0 capsules (light green cap and light green body) that are imprinted with “219” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-163-01 Store at 20°C to 25°C (68°F to77°F); excursions permitted to 15 to 30°C (59 to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.Cephalexin capsules, USP are supplied as follows:The 250 mg capsules are a white to off white powder filled into size 2 capsules (dark green cap and dark green body) that are imprinted with “220” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-152-01 The 500 mg capsules are a white to off white powder filled into size 0 capsules (light green cap and light green body) that are imprinted with “219” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-163-01 Store at 20°C to 25°C (68°F to77°F); excursions permitted to 15 to 30°C (59 to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.Cephalexin capsules, USP are supplied as follows:The 250 mg capsules are a white to off white powder filled into size 2 capsules (dark green cap and dark green body) that are imprinted with “220” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-152-01 The 500 mg capsules are a white to off white powder filled into size 0 capsules (light green cap and light green body) that are imprinted with “219” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-163-01 Store at 20°C to 25°C (68°F to77°F); excursions permitted to 15 to 30°C (59 to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.Cephalexin capsules, USP are supplied as follows:The 250 mg capsules are a white to off white powder filled into size 2 capsules (dark green cap and dark green body) that are imprinted with “220” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-152-01 The 500 mg capsules are a white to off white powder filled into size 0 capsules (light green cap and light green body) that are imprinted with “219” on the both cap and body in edible black ink. They are available as follows: Unit dose packages of 100 (10 x 10) NDC 60687-163-01 Store at 20°C to 25°C (68°F to77°F); excursions permitted to 15 to 30°C (59 to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Obinutuzumab is a monoclonal antibody that targets the CD20 antigen expressed on the surface of pre-B and mature B lymphocytes. Upon binding to CD20, obinutuzumab mediates B-cell lysis through (1) engagement of immune effector cells, (2) by directly activating intracellular death signaling pathways (direct cell death), and/or (3) activation of the complement cascade. The immune effector cell mechanisms include antibody-dependent cellular cytotoxicity (ADCC) and antibody-dependent cellular phagocytosis.
As an antibody with reduced fucose content, obinutuzumab induces greater ADCC activity than rituximab in vitro using human cancer cell lines. Obinutuzumab also demonstrated an increased ability to induce direct cell death when compared to rituximab. Obinutuzumab binds to FcγRIII using purified proteins with a higher affinity than rituximab. Obinutuzumab and rituximab bind with similar affinity to overlapping epitopes on CD20.
Non-Clinical Toxicology
GAZYVA is contraindicated in patients with known hypersensitivity reactions (e.g., anaphylaxis) to obinutuzumab or to any of the excipients, or serum sickness with prior obinutuzumab useThere are no specific laboratory tests recommended.
Hepatitis B virus (HBV) reactivation, in some cases resulting in fulminant hepatitis, hepatic failure, and death, can occur in patients treated with anti-CD20 antibodies such as GAZYVA. HBV reactivation has been reported in patients who are hepatitis B surface antigen (HBsAg) positive and also in patients who are HBsAg negative but are hepatitis B core antibody (anti-HBc) positive. Reactivation has also occurred in patients who appear to have resolved hepatitis B infection (i.e., HBsAg negative, anti-HBc positive, and hepatitis B surface antibody [anti-HBs] positive).
HBV reactivation is defined as an abrupt increase in HBV replication manifesting as a rapid increase in serum HBV DNA level or detection of HBsAg in a person who was previously HBsAg negative and anti-HBc positive. Reactivation of HBV replication is often followed by hepatitis, i.e., increase in transaminase levels and, in severe cases, increase in bilirubin levels, liver failure, and death.
Screen all patients for HBV infection by measuring HBsAg and anti-HBc before initiating treatment with GAZYVA. For patients who show evidence of hepatitis B infection (HBsAg positive [regardless of antibody status] or HBsAg negative but anti-HBc positive), consult physicians with expertise in managing hepatitis B regarding monitoring and consideration for HBV antiviral therapy.
Monitor patients with evidence of current or prior HBV infection for clinical and laboratory signs of hepatitis or HBV reactivation during and for several months following treatment with GAZYVA. HBV reactivation has been reported for other CD20-directed cytolytic antibodies following completion of therapy.
In patients who develop reactivation of HBV while receiving GAZYVA, immediately discontinue GAZYVA and any concomitant chemotherapy and institute appropriate treatment. Resumption of GAZYVA in patients whose HBV reactivation resolves should be discussed with physicians with expertise in managing hepatitis B. Insufficient data exist regarding the safety of resuming GAZYVA in patients who develop HBV reactivation.
The following adverse reactions are discussed in greater detail in other sections of the label:
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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