OPSUMIT helps open blood vessels between the heart and lungs
When you have PAH, your body may produce too much of a substance called endothelin. This can cause the blood vessels in your lungs to narrow, restricting blood flow and putting strain on the heart. OPSUMIT targets the endothelin pathway specifically, and works to open these narrow blood vessels.
OPSUMIT helped patients walk farther
Improvement was measured by the 6-minute walk distance (6MWD), a test that measures the distance you can walk in 6 minutes. It is one test that your doctor may perform to assess your condition.
OPSUMIT improved patients’ ability to do more physical activity
More patients taking OPSUMIT saw an improvement of at least one functional class. At Month 6 in the clinical trial, 22% of patients taking OPSUMIT improved their functional class compared with 13% of patients not taking it.
OPSUMIT reduced the risk of PAH progression
Patients taking OPSUMIT were 45% less likely to have their PAH progress than patients not taking it.
OPSUMIT lowered the chance of being hospitalized due to PAH
The most important information about OPSUMIT® (macitentan)
Do not take OPSUMIT if you are pregnant or trying to get pregnant. OPSUMIT can cause serious birth defects if taken while pregnant.
Women who are able to get pregnant must have negative pregnancy tests:
- Before starting OPSUMIT
- Each month while taking OPSUMIT
- For 1 month after stopping OPSUMIT
Your doctor will decide when you should take pregnancy tests.
- With OPSUMIT, dosing is convenient
- OPSUMIT® (macitentan) is a once-daily pill
- You can take it with or without food
- OPSUMIT can be taken alone or in combination with PDE-5 inhibitors or inhaled prostanoids, which are types of PAH medicines.
How to take OPSUMIT
- Take OPSUMIT exactly as your doctor recommends
- Do not stop taking OPSUMIT unless you’re advised to do so by your doctor
- You can take OPSUMIT with or without food
- Do not split, crush, or chew OPSUMIT tablets
- If you miss a dose of OPSUMIT, take it as soon as you remember that same day. You can take the next dose of OPSUMIT at your regular time. Do not take 2 doses at the same time to make up for a missed dose
OPSUMIT Side Effects
|Side Effect Severity||Mild||Moderate||Severe|
|Less Likely (1-10%)||Influenza/Influenza like symptoms (6%)||Urinary Tract Infection (9%)|
You need to be prepared to work through possible adverse effects.
Headaches can be treated with Tylenol (Acetaminophen).
If urinary tract infections or bronchitis occur, please contact your clinician.
Regular lab-work will monitor for anemia (Low blood counts)
Starting a New Medication
OPSUMIT Prescription Assistance
Actelion provides a wide range of support and educational tools through Actelion Pathways®
After you’re prescribed OPSUMIT, you can be enrolled to receive:
Answers to questions about filling your prescription.
Help coordinating with your healthcare provider, insurance company, and specialty pharmacy to find out if you have coverage for your medicine.
Financial Assistance Information
Information about possible financial assistance programs, based on your eligibility.
A 30-Day Free Trial of OPSUMIT
A 30-day free trial of OPSUMIT through the OPSUMIT Voucher Program. Eligible patients over 18 can request a free trial from an Actelion Pathways Case Manager during enrollment. This offer is only valid for the first 30-day supply of OPSUMIT. Patients must agree to the Terms and Conditions.
Pulmonary Arterial Hypertension is a serious condition. The medications designed to fight the disease typically show benefit slowly, over months, with most needing 4 to 6 months for maximum effect. The adverse effects (Side-effects) of these medications, however happen upfront. Your body typically will get used to them either with time, or with additional natural remedy or drugs. This may also take 2 to 3 months. It is necessary that you have patience, and talk to your doctor or nurses about dealing with them. Sometimes slowing the planned increase or cutting down on medication for a while will allow your body to adjust. Discuss matters with your doctors’ office before taking action of your own. Patience is a virtue!