Cimzia is the brand name for certolizumab. It is used to reduce inflammation in the body. It is used for treatment of the symptoms of Crohn’s disease. It is also used for treatment of moderate-to-severe rheumatoid arthritis in adults. It is also used for other purposes as well. It was approved by FDA in April 2008.

Cimzia is TNF blocker. It is a recombinant, humanized antibody Fab’ fragment. It has specificity for human tumor necrosis factor alpha (TNFα), conjugated to an approximately 40kDa polyethylene glycol (PEG2MAL40K). The Fab’ fragment consists a light chain with 214 amino acids and a heavy chain with 229 amino acids. It has a molecular weight of 91 kilo Daltons.

It is a sterile, white, lyophilized powder for solution. It also comes as a sterile solution in a single-use prefilled 1 mL glass syringe.  Each single-use vial has approximately 200 mg certolizumab pegol, 100 mg sucrose, 0.9 mg lactic acid, and 0.1 mg polysorbate.

Each prefilled syringe contains 1 mL (200 mg) of drug product with a pH of approximately 4.7. It has 200 mg of certolizumab pegol, 1.36 mg of sodium acetate, 7.31 mg sodium chloride, and Water for Injection, USP. Cimzia is a clear to opalescent solution. It is colorless to pale yellow in colour. It is also free from particulates and preservatives.


It is an injectable synthetic protein antibody made by man. It has an affinity for tumor necrosis factor alpha (TNFα) in the body and it binds with it and blocks the effects of TNFα in patients with rheumatoid arthritis and Crohn’s disease. Other such injectable drugs are Humira and Enbrel. All these drugs are TNF blockers. TNF is a protein, which is produced by body in case of inflammation. It promotes inflammation and the signs of inflammation. In case of arthritis there may be fever, pain, tenderness, and swelling of joints too. In the case of Crohn’s disease inflammation may show symptoms such as fever, stomach pain and diarrhea.

In case of rheumatoid arthritis if inflammation persists, it can result into destruction of joints. In Crohn’s disease persistent inflammation can cause strictures or narrowing of the intestine or intestinal perforation.

Cimzia is used to bind to TNF in the body and blocking its effects. This subsequently could lead to reduction of inflammation and its consequences in the related body pats. In rheumatoid arthritis it reduces destruction of joints. It could be slowed or fully prevented with use of this drug. In case of Crohn’s disease it reduces intestinal inflammation causing relief to the patient.

Precautions before using Cimzia

  • You should consult your doctor before using Cimzia if you are allergic to any ingredient in this drug.
  • You must tell your doctor if you have any other allergies too as it can worsen your condition.
  • If you are suffering from any kind of disease, tell your doctor before using Cimzia. In certain medical conditions it should be avoided.
  • If you have any infection, then it is advisable to consult your doctor before using this medicine.
  • You should discuss your medical history, especially of: any infection that keeps coming back, hepatitis B infection, HIV infection, tuberculosis, cuts or open sores, cancer, diabetes, heart failure, blood or bone marrow disorders, brain or nervous system disorders such as multiple sclerosis, and seizures with your doctor before going for this medicine.
  • It can worsen any kind of infection or make you more prone to infections, it is advisable to consult your doctor.
  • Avoid contact with people who have received the polio vaccine taken by mouth or flu vaccine inhaled through the nose. Contact with people with any type of infections that may spread to others should also be avoided while taking this drug.
  • Try to avoid any activity, which can increase chances of getting cut, bruised, or injured. Be cautious while using razors and nail cutters and avoid activities such as contact sports. These activities can expose you to infections, which should be avoided while on this drug.
  • It is advisable to consult your doctor before going for this drug if you are aged, as it will make you more prone to risks of infections.
  • Tell your doctor if you are pregnant, planning to be pregnant or breast-feeding.

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