Finite anti–CTLA-4 dosing with dual IO + platinum-based CT*: The POSEIDON Regimen1,2
5 initial cycles of IMJUDO in combination with IMFINZI and platinum-based CT1,2*
RECOMMENDED DOSAGE FOR PATIENTS WITH BODY WEIGHT
≥30 KG1-3
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For patients with body weight
<30 kg1,2:
- Cycles 1 through 4 (Q3W):
- Platinum-based CT*
- IMJUDO 1 mg/kg
- IMFINZI 20 mg/kg
- Cycles 5 and later (Q4W):
- IMFINZI 20 mg/kg as a single agent until disease progression or intolerable toxicity and optional histology-based pemetrexed maintenance*
- IMJUDO 1 mg/kg alongside IMFINZI only in Cycle 6 (Week 16)
IMJUDO: The first and only finite-course‡ anti–CTLA-4 in a dual IO + platinum-based CT regimen for mNSCLC1,2,4-6
*Platinum-based CT is given Q3W for 4 cycles. Options include pemetrexed + carboplatin/cisplatin (nonsquamous); gemcitabine + carboplatin/
cisplatin (squamous); or nab-paclitaxel + carboplatin (either histology). Starting in Week 12, nonsquamous patients who received pemetrexed as part of the first-line regimen can continue pemetrexed maintenance Q4W until disease progression or intolerable toxicity.1,2
†Pemetrexed maintenance for nonsquamous patients who received treatment with pemetrexed and carboplatin/cisplatin.1,2
‡IMJUDO is given up to a maximum of 5 doses.2
CT=chemotherapy; CTLA-4=cytotoxic T-lymphocyte–associated protein 4; IO=immuno-oncology; mNSCLC=metastatic non-small cell lung cancer; PD-L1=programmed death-ligand 1; Q3W=every 3 weeks; Q4W=every 4 weeks.
- Dosage reduction of IMFINZI or IMJUDO is not recommended. Withholding or permanently discontinuing IMFINZI or IMJUDO may be required1,2
- When IMFINZI is administered in
combination with IMJUDO, withhold or permanently discontinue both IMJUDO and IMFINZI for an adverse reaction meeting these dose modification guidelines1,2 - Withhold the treatment regimen for severe (Grade 3) imARs1,2
- Permanently discontinue the treatment regimen for life-threatening (Grade 4) imARs1,2
- Permanently discontinue the treatment regimen for recurrent severe (Grade 3) imARs that require systemic immunosuppressive treatment, or an inability to reduce corticosteroid dose to ≤10 mg prednisone or equivalent per day within 12 weeks of initiating corticosteroids1,2
TREATMENT MODIFICATIONS FOR IMFINZI + IMJUDO1,2
| Adverse reaction | Severity* | Treatment modification |
|---|---|---|
| imARs | ||
| Pulmonary Pneumonitis |
Grade 2 | Withhold† |
| Grade 3 or 4 | Permanently discontinue | |
| Gastrointestinal Colitis |
Grade 2 | Withhold† |
| Grade 3 or 4 | Permanently discontinue | |
| Gastrointestinal Intestinal perforation |
Any grade | Permanently discontinue |
| Hepatic Hepatitis with no tumor involvement of the liver |
AST or ALT increases >3 and up to 8 × ULN or Total bilirubin increases >1.5 and up to 3 × ULN |
Withhold† |
| AST or ALT increases >8 × ULN or Total bilirubin increases >3 × ULN |
Permanently discontinue | |
| Hepatic Hepatitis with tumor involvement of the liver‡ |
AST or ALT is >1 and up to 3 × ULN at baseline and increases to >5 and up to 10 × ULN AST or ALT is >3 and up to 5 × ULN at baseline and increases to >8 and up to >10 × ULN |
Withhold† |
| AST or ALT increases >10 × ULN or Total bilirubin increases >3 × ULN |
Permanently discontinue | |
| Endocrine Endocrinopathies |
Grade 3 or 4 | Withhold until clinically stable or permanently discontinue depending on severity |
| Renal 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 | |
| Cardiac Myocarditis |
Grade 2, 3, or 4 | Permanently discontinue |
| Neurological toxicities | Grade 2 | Withhold† |
| Grade 3 or 4 | Permanently discontinue | |
| Other adverse reactions | ||
| Infusion-related reactions | Grade 1 or 2 | Interrupt or slow the rate of infusion |
| Grade 3 or 4 | Permanently discontinue |
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*Based on National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), version 4.03.1,2
†Resume in patients with complete or partial resolution (Grade 0 to 1) after corticosteroid taper. Permanently discontinue if no complete or partial resolution within 12 weeks of initiating corticosteroids or an inability to reduce corticosteroid dose to 10 mg of prednisone or less per day (or equivalent) within 12 weeks of initiating corticosteroids.1,2
‡If AST and ALT are less than or equal to ULN at baseline in patients with liver involvement, withhold or permanently discontinue IMFINZI based on recommendations for hepatitis with no liver involvement.1,2
ALT=alanine aminotransferase; AST=aspartate aminotransferase; DRESS=Drug Rash with Eosinophilia and Systemic Symptoms; imARs=immune-mediated adverse reactions; SJS=Stevens-Johnson Syndrome; TEN=toxic epidermal necrolysis; ULN=upper limit of normal.
Preparation1,2
- Visually inspect drug product for particulate matter and discoloration prior to administration, whenever solution and container permit. Discard the vial if the solution is cloudy, discolored, or visible particles are observed
- Do not shake the vial
- For IMFINZI: Withdraw the required volume from the vial(s) of IMFINZI and transfer into an intravenous (IV) bag containing 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP. Mix diluted solution by gentle inversion. Do not shake the solution. The final concentration of the diluted solution should be between 1 mg/mL and 15 mg/mL
- For IMJUDO: Withdraw the required volume from the vial(s) of IMJUDO and transfer into an IV bag containing 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP. Mix diluted solution by gentle inversion. Do not shake the solution. The maximum final concentration of the diluted solution should not exceed 10 mg/mL
- Discard partially used or empty vials of IMFINZI and IMJUDO
Storage of infusion solution1,2
- Neither IMFINZI nor IMJUDO contains a preservative
- Administer solution of IMFINZI or IMJUDO immediately once prepared. If infusion solution is not administered immediately and needs to be stored, see the following guidance for IMFINZI and IMJUDO
- IMFINZI and IMJUDO: The total time from preparation to the completion of administration should not exceed:
- IMFINZI: 28 days in a refrigerator at 2°C to 8°C (36°F to 46°F)
- IMJUDO: 24 hours in a refrigerator at 2°C to 8°C (36°F to 46°F)
- IMFINZI: 8 hours at room temperature up to 25°C (77°F)
- IMJUDO: 24 hours at room temperature up to 30°C (86°F)
Additionally:
- Do not freeze
- Do not shake
Administration of IMFINZI and IMJUDO1,2
- Administer infusion solution intravenously over 60 minutes through an IV line containing a sterile, low-protein binding 0.2 or 0.22 micron in-line filter
- IMFINZI and IMJUDO are administered as separate IV infusions. IMFINZI and IMJUDO are each given over 60 minutes
- Separate infusion bags and filters for each infusion should be used
- Do not co-administer other drugs through the same infusion line
IMFINZI and IMJUDO in Combination with Other Products
- Administer all drug products as separate intravenous infusions
- Do not co-administer other drugs through the same infusion line
- For platinum-based chemotherapy, refer to Prescribing Information for administration information
- For pemetrexed therapy, refer to Prescribing Information for administration information
Combination Regimens: Order of Infusions
IMFINZI in Combination with IMJUDO and Platinum-Based Chemotherapy
- Infuse IMJUDO first, followed by IMFINZI and then platinum-based chemotherapy on the day of dosing
IMFINZI in Combination with IMJUDO and Pemetrexed Therapy
- Infuse IMJUDO first, followed by IMFINZI and then pemetrexed therapy on the day of dosing
Infusion Instructions
Cycle 1:
- Infuse IMJUDO over 1 hour. One to 2 hours after completion of IMJUDO infusion, infuse IMFINZI over 1 hour. One to 2 hours after completion of IMFINZI infusion, administer platinum-based chemotherapy
Subsequent Cycles:
- If there are no infusion reactions during Cycle 1, subsequent cycles of IMFINZI can be given immediately after IMJUDO. The time period between the end of the IMFINZI infusion and the start of chemotherapy can be reduced to 30 minutes
Dosage forms and strengths1,2
USP=United States Pharmacopeia.
