Penpulimab Side Effects
Applies to penpulimab: intravenous solution.
General adverse events
The most common adverse reactions when this drug was administered as a single agent (20% or greater) were anemia and hypothyroidism. The most common Grade 3 to 4 laboratory abnormalities (2% or greater) were decreased lymphocytes, increased gamma-glutamyltransferase (GGT), decreased phosphate, decreased sodium, increased AST, increased alkaline phosphatase, decreased hemoglobin, increased bilirubin, increased glucose, increased triglycerides, increased ALT, increased magnesium , and decreased platelets.[Ref]
Dermatologic
- Very common (10% or more): Rash (11%)[Ref]
Endocrine
- Very common (10% or more): Hypothyroidism (39%)
- Uncommon (0.1% to 1%): Diabetes[Ref]
Hematologic
- Very common (10% or more): Decreased albumin (45%), prolonged activated partial thromboplastin time (22%), decreased lymphocytes (43%) decreased hemoglobin (36%), anemia (25%)
- Common (1% to 10%): Decreased platelets[Ref]
Hepatic
- Very common (10% or more): Increased GGT (34%), increased AST (33%), increased ALT (20%)[Ref]
Hypersensitivity
- Very common (10% or more): Infusion related reactions (10%)[Ref]
Immunologic
- Very common (10% or more): Immune-mediated hypothyroidism (19%), immune-mediated rash/dermatitis (12%)
- Common (1% to 10%): Immune-mediated pneumonitis, immune-mediated colitis, immune-mediated hyperthyroidism, immune-mediated hepatitis
- Uncommon (0.1% to 1%): Immune-mediated thyroiditis, immune-mediated nephritis
- Frequency not reported: Immune mediated myocarditis, pericarditis, vasculitis, meningitis, encephalitis, myelitis, myasthenic syndrome/myasthenia gravis, Guillain-Barre syndrome, nerve paresis, autoimmune neuropathy, nerve injury, uveitis, iritis, visual impairment, Vogt-Koyanagi-Harada-like syndrome, pancreatitis, gastritis, duodenitis, myositis/polymyositis, rhabdomyolysis, 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[Ref]
Metabolic
- Very common (10% or more): Decreased weight (19%), decreased phosphate (47%), decreased sodium (46%), increased triglycerides (38%), increased alkaline phosphatase (35%), increased glucose (34%), decreased magnesium (28%)[Ref]
Musculoskeletal
- Very common (10% or more): Musculoskeletal pain (25%)[Ref]
Other
- Very common (10% or more): Pyrexia (15%)[Ref]
Renal
- Very common (10% or more): Increased creatinine (81%)[Ref]
Respiratory
- Very common (10% or more): Upper respiratory tract infection (13%), cough (11%)[Ref]
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References
1. (2025) "Product Information. Penpulimab (penpulimab)." Akeso Biopharma
More about penpulimab
- Check interactions
- Compare alternatives
- FDA approval history
- Drug class: anti-PD-1 and PD-L1 monoclonal antibodies (immune checkpoint inhibitors)
Professional resources
Related treatment guides
Further information
Penpulimab side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.