Drug Guide

Generic Name

Certolizumab Pegol

Brand Names Cimzia

Classification

Therapeutic: Immunosuppressant, Tumor Necrosis Factor (TNF) Inhibitor

Pharmacological: Monoclonal antibody (TNF inhibitor)

FDA Approved Indications

Mechanism of Action

Certolizumab Pegol binds to tumor necrosis factor-alpha (TNF-α), neutralizing its activity and thereby reducing inflammation.

Dosage and Administration

Adult: Typically 200 mg subcutaneously every 2 or 4 weeks, based on condition and response.

Pediatric: Use in pediatric patients is limited; dosing and safety should be determined by a specialist.

Geriatric: Adjust dose based on individual tolerance and response, no specific contraindication but monitor for infections.

Renal Impairment: No specific dosage adjustment needed; caution advised due to immunosuppression.

Hepatic Impairment: No specific adjustment needed.

Pharmacokinetics

Absorption: Subcutaneous absorption with a bioavailability of approximately 80%.

Distribution: Widespread distribution; primarily remains within vascular and interstitial spaces.

Metabolism: Metabolized via proteolytic pathways typical of IgG antibodies.

Excretion: Primarily via catabolism; not eliminated unchanged in urine or feces.

Half Life: Approximately 14 days.

Contraindications

Precautions

Adverse Reactions - Common

Adverse Reactions - Serious

Drug-Drug Interactions

Drug-Food Interactions

N/A

Drug-Herb Interactions

N/A

Nursing Implications

Assessment: Monitor for signs of infection, tuberculosis reactivation, and hypersensitivity reactions.

Diagnoses:

  • Risk for infection
  • Impaired skin integrity

Implementation: Administer via subcutaneous injection, monitor injection site, educate patient about infection risks.

Evaluation: Assess for effectiveness, adverse effects, and any signs of infection or adverse reactions.

Patient/Family Teaching

Special Considerations

Black Box Warnings:

Genetic Factors: No specific genetic factors reported affecting drug efficacy or safety.

Lab Test Interference: May cause falsely decreased tuberculin skin test responses.

Overdose Management

Signs/Symptoms: Symptoms not well established; monitor for signs of infection or immunosuppression.

Treatment: Supportive care; consider hospitalization for management of infections or adverse effects.

Storage and Handling

Storage: Store in the original container at 2°C to 8°C (36°F to 46°F). Do not freeze.

Stability: Stable until expiry date when stored properly. May be kept at room temperature up to 25°C (77°F) for a maximum of 14 days if necessary.

This guide is for educational purposes only and is not intended for clinical use.