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Velsipity
Etrasimod
$6495.00
2mg · 3 × 28 tablets · 3 months supply
BrandBranded medicine· By Pfizer
$2165.00 per month
How long a supply?
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Annual cost
$28145a year at this pack size
Prescription required
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About Velsipity
Overview
Velsipity contains etrasimod, a sphingosine 1-phosphate (S1P) receptor modulator. It is used to treat moderately to severely active ulcerative colitis in adults. It reduces the number of certain immune cells circulating in the blood and may limit their movement into the intestines, although exactly how it helps ulcerative colitis is unknown.
What it treats
Moderately to severely active ulcerative colitis in adults.
Safety information
Side effects
Common side effects of Velsipity include headache, raised liver test results and dizziness. These occurred in at least 5% of patients. Serious risks include infections, a temporary slowing of the heart rate or delays in the heart’s electrical conduction, liver injury, swelling in the central part of the retina (macular edema), increased blood pressure, skin cancers, reduced lung function and posterior reversible encephalopathy syndrome (PRES), a serious condition affecting the brain. Contact your doctor if you develop an infection, changes in vision, breathing problems or suspicious skin changes, or have concerns about any of these serious effects. Velsipity may harm an unborn baby. Use effective contraception during treatment and for one week after stopping, and contact your doctor if you become pregnant. Effects on the immune system can continue after treatment stops. Monitoring for infection is needed during treatment and for 5 weeks afterward. Previous or overlapping treatment with medicines that suppress or alter the immune system may add to these effects. Avoid live attenuated vaccines during treatment and for up to 5 weeks afterward. Some serious effects require monitoring even without symptoms. Your doctor will arrange blood counts, liver tests, an ECG, eye and skin examinations, and blood pressure checks as appropriate.
When to call your doctor
If symptoms are severe or getting worse quickly, seek emergency care rather than waiting.
Before taking this medicine
Do not take Velsipity if you: • Have had a heart attack, unstable angina, stroke, transient ischemic attack (TIA or “mini-stroke”), worsening heart failure requiring hospital care, or Class III or IV heart failure within the past 6 months. • Have or have previously had certain heart rhythm or electrical conduction problems, Mobitz type II second-degree or third-degree atrioventricular (AV) block, sick sinus syndrome, or sino-atrial block, unless you have a functioning pacemaker. Velsipity is not recommended for people with severe liver impairment. Velsipity requires caution because it may increase infection risk, temporarily slow the heart rate, delay electrical conduction in the heart, cause liver injury, raise blood pressure, cause swelling in the macula of the eye, or reduce lung function. Before treatment, checks include a complete blood count, an ECG and liver blood tests. An eye examination is needed near the start of treatment and periodically during treatment, or whenever vision changes. Blood pressure should be monitored during treatment. Skin examinations are needed before or shortly after starting treatment and periodically during treatment because of the risk of skin cancer. Suspicious skin changes should be assessed promptly. Symptoms of posterior reversible encephalopathy syndrome (PRES), a neurological condition, require medical assessment. Tell your prescriber about medicines that slow your heart rate and any current or previous medicines that suppress or alter the immune system. Their effects may overlap with Velsipity. Monitor for infection during treatment and for 5 weeks after stopping. A serious infection may require treatment to be interrupted. Avoid live attenuated vaccines during treatment and for up to 5 weeks afterwards. Velsipity may harm an unborn baby. People who can become pregnant should use effective contraception during treatment and for one week after stopping.
Interactions
Velsipity can interact with medicines that affect heart rhythm, heart rate, the immune system or how the body breaks down etrasimod. Discuss these medicines with your doctor: • Heart rhythm medicines, including quinidine, procainamide, amiodarone and sotalol, and other medicines that prolong the QT interval. Combining them with Velsipity may increase the risk of a serious abnormal heart rhythm. A cardiologist’s advice is needed before starting Velsipity with these medicines. • Beta-blockers and other medicines that slow the heart rate, such as calcium channel blockers. Velsipity can be started in patients on stable beta-blocker treatment. A cardiologist’s advice is needed before adding a beta-blocker to established Velsipity treatment or combining Velsipity with other heart-rate-lowering medicines. • Cancer treatments, immune-modulating medicines and immunosuppressants other than corticosteroids. These combinations have not been studied and may have additive effects on the immune system. They should be avoided during Velsipity treatment and in the weeks after it ends. When switching treatments, your doctor should consider how long the previous medicine’s immune effects may last. • Fluconazole and other medicines that moderately or strongly inhibit both CYP2C9 and CYP3A4, enzymes involved in breaking down etrasimod. These combinations can increase etrasimod exposure and are not recommended. • Moderate or strong CYP2C8 or CYP3A4 inhibitors if you are a CYP2C9 poor metabolizer, meaning you have reduced activity of that enzyme. These combinations are expected to increase etrasimod exposure and are not recommended. • Rifampin, which reduces etrasimod exposure. Use together is not recommended. Taking several medicines that affect these enzyme pathways may also cause a clinically important interaction, although the effects of such combinations are unknown.
Using Velsipity
Dosing
Dosing is set by your prescriber. Each health care professional may prescribe medication differently according to a patient's medical history and condition, so follow the directions on your prescription label and speak to your doctor or pharmacist before changing anything.
Storage
Store below 25°C in a dry place, in the original pack, away from direct light and moisture. Do not keep it in a bathroom. Keep all medicines out of the sight and reach of children.
Clinical information on this page is summarised from the US FDA label VELSIPITY (ETRASIMOD) TABLET, FILM COATED [PFIZER LABORATORIES DIV PFIZER INC] (DailyMed, retrieved 19 September 2026).
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