Toripalimab
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From MedlinePlus, U.S. National Library of Medicine
Programmed Death Receptor-1 Blocking Antibody
Dosing in kidney impairment
4 CONTRAINDICATIONS None . None 5 WARNINGS AND PRECAUTIONS Immune-Mediated Adverse Reactions Immune-mediated adverse reactions, which may be severe or fatal, can occur in any organ system or tissue, including the following: immune-mediated pneumonitis, immune-mediated colitis, immune-mediated hepatitis, immune-mediated endocrinopathies, immune-mediated nephritis with renal dysfunction, immune-mediated dermatologic adverse reactions, and solid organ transplant rejection.
Immune-Mediated Endocrinopathies Adrenal Insufficiency LOQTORZI can cause primary or secondary adrenal insufficiency. For Grade 2 or higher adrenal insufficiency, initiate symptomatic treatment, including hormone replacement as clinically indicated. Withhold or permanently discontinue LOQTORZI depending on severity [see Dosage and Administration ].
LOQTORZI as a Single-Agent Adrenal insufficiency occurred in 0.5% (4/851) of the patients receiving LOQTORZI, including Grade 2 (0.4%) and Grade 1 (0.1%) adverse reactions . Systemic corticosteroids were required in 75% (3/4) of the patients with adrenal insufficiency. Adrenal insufficiency led to withholding of LOQTORZI in 0.1% (1/851) of patients.
Diabetes mellitus led to permanent discontinuation in 0.4% of patients. Six of the 8 (75%) patients with diabetes mellitus required long-term insulin therapy. Immune-Mediated Nephritis with Renal Dysfunction LOQTORZI in Combination with Cisplatin and Gemcitabine LOQTORZI in combination with cisplatin and gemcitabine can cause immune-mediated nephritis.
Gastrointestinal: Pancreatitis, to include increases in serum amylase and lipase levels, gastritis, duodenitis Musculoskeletal and Connective Tissue: Myositis/polymyositis, rhabdomyolysis (and associated sequelae, including renal failure), arthritis, polymyalgia rheumatica, dermatomyositis Endocrine: Hypoparathyroidism Hematologic/Immune: Hemolytic anemia, aplastic anemia, hemophagocytic lymphohistiocytosis, systemic inflammatory response syndrome, histiocytic necrotizing lymphadenitis (Kikuchi lymphadenitis), sarcoidosis, immune thrombocytopenic purpura, solid organ transplant rejection, other transplant (including corneal graft) rejection.
| Adverse Reaction | SeverityBased on National Cancer Institute (NCI) Common Terminology for Adverse Events (CTCAE) version 5.0 | Dose Modification |
|---|---|---|
| ALT=alanine aminotransferase, AST=aspartate aminotransferase, DRESS=drug rash with eosinophilia and systemic symptoms, SJS=Stevens Johnson syndrome, TEN=toxic epidermal necrolysis, ULN=upper limit of normal | ||
| Immune-Related Adverse Reactions [see Warnings and Precautions (5.1)] | ||
| Pneumonitis | Grade 2 | WithholdResume LOQTORZI in patients with complete or partial resolution to Grade 0-1 after corticosteroid taper. Permanently discontinue if no complete or partial resolution within 12 weeks of initiating steroids or inability to reduce prednisone to 10 mg per day or less (or equivalent) within 12 weeks of initiating steroids. |
| Grades 3 or 4 | Permanently discontinue | |
| Colitis | Grade 2 or 3 | Withhold |
| Grade 4 | Permanently discontinue | |
| Hepatitis with no tumor involvement of the liver | AST/ALT increases to more than 3 and up to 8 times ULN or Total bilirubin increases to more than 1.5 and up to 3 times ULN | Withhold |
| AST or ALT increases to more than 8 times ULN or Total bilirubin increases to more than 3 times ULN | Permanently discontinue | |
| Hepatitis with tumor involvement of the liverIf AST and ALT are less than or equal to ULN at baseline in patients with liver involvement, withhold or permanently discontinue LOQTORZI based on recommendations for hepatitis with no liver involvement. | Baseline AST or ALT is more than 1 and up to 3 times ULN and increases to more than 5 and up to 10 times ULN or Baseline AST or ALT is more than 3 and up to 5 times ULN and increases to more than 8 and up to 10 times ULN | Withhold |
| Baseline AST or ALT is above the ULN and increases to more than 10 times ULN or Total bilirubin increases to more than 3 times ULN | Permanently discontinue | |
| Endocrinopathies | Grades 3 or 4 | Withhold until clinically stable or permanently discontinue depending on severity |
| Nephritis with Renal Dysfunction | Grade 2 or 3 increased blood creatinine | Withhold |
| Grade 4 increased blood creatinine | Permanently discontinue | |
| Exfoliative Dermatologic Conditions | Suspected SJS, TEN, or DRESS | Withhold |
| Confirmed SJS, TEN, or DRESS | Permanently discontinue | |
| Myocarditis | Grades 2, 3, or 4 | Permanently discontinue |
| Neurological toxicities | Grade 2 | Withhold |
| Grade 3-4 | Permanently discontinue | |
| Other Adverse Reactions | ||
| Infusion-related reactions [see Warnings and Precautions (5.2)] | Grade 1 or 2 | Interrupt or slow the rate of infusion |
| Grade 3 or 4 | Stop infusion Permanently discontinue | |
Preparation and administration
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Preparation and Administration Preparation for Intravenous Infusion Visually inspect the solution for particulate matter and discoloration. The solution is clear to slightly opalescent, colorless to slightly yellow. Discard the vial if visible particles are observed. Withdraw the required volume of LOQTORZI and inject slowly into a 100 mL or 250 mL infusion bag containing 0.9% Sodium Chloride Injection, USP.
Mix diluted solution by gentle inversion. Do not shake. The final concentration of the diluted solution should be between 1 mg/mL to 3 mg/mL. Discard any unused portion left in the vial. Storage of Diluted Solution for Infusion LOQTORZI does not contain a preservative. If the diluted solution is not administered immediately, store either: At room temperature, 20°C to 25°C (68°F to 77°F), for no more than 8 hours from the time of dilution to the completion of the infusion.
Discard diluted solution stored at room temperature after 8 hours. Or Refrigerated at 2°C to 8°C (36°F to 46°F) for no more than 24 hours from the time of dilution to the completion of the infusion. If refrigerated, allow the diluted solution to come to room temperature prior to administration. Discard the refrigerated diluted solution after 24 hours.
Do not freeze. Administration Administer diluted solution intravenously via an infusion pump using an in-line aseptic filter (0.2 or 0.22 micron). First Infusion: Infuse over at least 60 minutes. Subsequent infusions: If no infusion-related reactions occurred during the first infusion, subsequent infusions may be administered over 30 minutes [see Dose Modifications ].
Do not co-administer other drugs through the same intravenous line. When administered on the same day as chemotherapy, LOQTORZI should be administered prior to chemotherapy. Refer to the Prescribing Information for cisplatin and gemcitabine for recommended dosing information.
| Adverse Reaction | SeverityBased on National Cancer Institute (NCI) Common Terminology for Adverse Events (CTCAE) version 5.0 | Dose Modification |
|---|---|---|
| ALT=alanine aminotransferase, AST=aspartate aminotransferase, DRESS=drug rash with eosinophilia and systemic symptoms, SJS=Stevens Johnson syndrome, TEN=toxic epidermal necrolysis, ULN=upper limit of normal | ||
| Immune-Related Adverse Reactions [see Warnings and Precautions (5.1)] | ||
| Pneumonitis | Grade 2 | WithholdResume LOQTORZI in patients with complete or partial resolution to Grade 0-1 after corticosteroid taper. Permanently discontinue if no complete or partial resolution within 12 weeks of initiating steroids or inability to reduce prednisone to 10 mg per day or less (or equivalent) within 12 weeks of initiating steroids. |
| Grades 3 or 4 | Permanently discontinue | |
| Colitis | Grade 2 or 3 | Withhold |
| Grade 4 | Permanently discontinue | |
| Hepatitis with no tumor involvement of the liver | AST/ALT increases to more than 3 and up to 8 times ULN or Total bilirubin increases to more than 1.5 and up to 3 times ULN | Withhold |
| AST or ALT increases to more than 8 times ULN or Total bilirubin increases to more than 3 times ULN | Permanently discontinue | |
| Hepatitis with tumor involvement of the liverIf AST and ALT are less than or equal to ULN at baseline in patients with liver involvement, withhold or permanently discontinue LOQTORZI based on recommendations for hepatitis with no liver involvement. | Baseline AST or ALT is more than 1 and up to 3 times ULN and increases to more than 5 and up to 10 times ULN or Baseline AST or ALT is more than 3 and up to 5 times ULN and increases to more than 8 and up to 10 times ULN | Withhold |
| Baseline AST or ALT is above the ULN and increases to more than 10 times ULN or Total bilirubin increases to more than 3 times ULN | Permanently discontinue | |
| Endocrinopathies | Grades 3 or 4 | Withhold until clinically stable or permanently discontinue depending on severity |
| Nephritis with Renal Dysfunction | Grade 2 or 3 increased blood creatinine | Withhold |
| Grade 4 increased blood creatinine | Permanently discontinue | |
| Exfoliative Dermatologic Conditions | Suspected SJS, TEN, or DRESS | Withhold |
| Confirmed SJS, TEN, or DRESS | Permanently discontinue | |
| Myocarditis | Grades 2, 3, or 4 | Permanently discontinue |
| Neurological toxicities | Grade 2 | Withhold |
| Grade 3-4 | Permanently discontinue | |
| Other Adverse Reactions | ||
| Infusion-related reactions [see Warnings and Precautions (5.2)] | Grade 1 or 2 | Interrupt or slow the rate of infusion |
| Grade 3 or 4 | Stop infusion Permanently discontinue | |
Contraindications
None . None
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Risk Summary Based on its mechanism of action, LOQTORZI can cause fetal harm when administered to a pregnant woman [ see Clinical Pharmacology (12.1) ] . There are no available data on the use of LOQTORZI in pregnant women. Animal studies have demonstrated that inhibition of the PD-1/PD-L1 pathway can lead to increased risk of immune-mediated rejection of the developing fetus and result in fetal death (see Data ) . Human IgG4 immunoglobulins (IgG4) are known to cross the placenta; therefore, LOQTORZI can potentially be transmitted from the mother to the developing fetus. Advise women of the potential risk to a fetus. In the U.S.
general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Animal Data Animal reproduction studies have not been conducted with LOQTORZI to evaluate its effect on reproduction and fetal development. A central function of the PD-1/PD-L1 pathway is to preserve pregnancy by maintaining maternal immune tolerance to the fetus.
In murine models of pregnancy, blockade of PD-L1 signaling has been shown to disrupt tolerance to the fetus and to result in an increase in fetal loss; therefore, potential risks of administering LOQTORZI during pregnancy could include increased rates of abortion or stillbirth. As reported in the literature, there were no malformations related to the blockade of PD-1/PD-L1 signaling in the offspring of these animals; however, immune-mediated disorders occurred in PD-1 and PD-L1 knockout mice. Based on its mechanism of action, fetal exposure to toripalimab-tpzi may increase the risk of developing immune-mediated disorders or altering the normal immune response.
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
Supply and cost
Drug shortage status
Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
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