Treatment Options Overview: 5-ASA

PRODUCT DETAILS / COMPANY (APPROVED BY HEALTH CANADA FOR IBD INDICATIONS)

Sulfazine / Pharmascience Inc. (1984)

INDICATION

An adjunctive therapy in the treatment of severe ulcerative colitis, proctitis, or distal ulcerative colitis and Crohn’s disease.

           

Logistics and Monitoring: 5-ASA

METHOD OF ADMINISTRATION

Oral

LOCATION

Oral
Treatment of ulcerative colitis, proctitis, and distal colitis.

DOSING - ADULTS

Oral
Severe attacks: 2–4 500 mg tablets, 3–4 times daily

Moderate and mild attacks:
2 500 mg tablets, 3-4 times daily

Maintenance dose:
2 500 mg tablets, 2–3 times a day

DOSING - PEDIATRIC

Suggested dosing10:
40 to 70 mg/kg daily up to 4 g daily

*Practice point: also available as a liquid formulation.

ROUTINE MONITORING

CBC and LFTs should be performed at baseline and every second week during the first 3 months of therapy. During the second 3 months, the same tests should be done once monthly and thereafter every 3 months and as clinically indicated.

Renal function should be performed in all patients at baseline and at least monthly for the first 3 months of treatment.

For pediatric population10:
Gradual sulfasalazine dose augmentation over 7 to 14 days may mitigate against dose-dependent side-effects.

           

5-ASA: 5 -aminosalicylic acid, CBC: complete blood count, LTF: liver function test, eGFR: estimated glomerular filtration rate

Side Effects: 5-ASA

SIDE EFFECTS

For more detailed information regarding side effects, please refer to the appropriate product monograph.

Common Side Effects
• Nausea/Vomiting
• Paradoxical diarrhea
• Allergic hypersensitivity reactions causing rash and mild fever
• Possible decreased sperm count

Serious Side Effects
• Pericarditis
• Allergic interstitial nephritis
• Cytopenia
• Pancreatitis
• Hepatitis

           

Special Populations: 5-ASA

PEDIATRICS

Approved for use in pediatric patients. 

ELDERLY

According to the product monograph, no special dosage instructions are required for elderly patients.

Should be used with caution in patients with renal disease.

PREGNANCY

Coming soon

BREASTFEEDING

Coming soon

           

5-ASA: 5- aminosalicylic acid