What is Brolucizumab: Uses, Dosage, Side Effects and More

Brolucizumab is a specialized eye medication that doctors inject directly into your eye to treat serious vision problems. It's a newer treatment option that belongs to a group of medicines called anti-VEGF drugs, which help stop abnormal blood vessel growth in your retina.

This medication is specifically designed for people with wet age-related macular degeneration and diabetic macular edema. These conditions can cause significant vision loss if left untreated, but brolucizumab offers hope by targeting the root cause of the problem.

What is Brolucizumab?

Brolucizumab is a man-made antibody that blocks a protein called VEGF in your eye. VEGF normally helps blood vessels grow, but too much of it can cause problems in your retina.

The medication comes as a clear solution that your eye doctor injects directly into the vitreous, which is the gel-like substance inside your eye. This direct delivery method ensures the medicine reaches exactly where it's needed most.

Unlike some other eye medications, brolucizumab is designed to last longer in your eye. This means you might need fewer injections over time compared to other similar treatments.

What is Brolucizumab Used For?

Brolucizumab treats two main eye conditions that can seriously affect your vision. Both conditions involve abnormal fluid buildup and blood vessel growth in your retina.

The first condition is wet age-related macular degeneration, which typically affects people over 60. In this condition, abnormal blood vessels grow under your retina and leak fluid, causing your central vision to become blurry or distorted.

The second condition is diabetic macular edema, which happens when diabetes damages blood vessels in your retina. This damage causes fluid to leak into your macula, the part of your retina responsible for sharp, central vision.

Both conditions can lead to permanent vision loss if not treated promptly. Brolucizumab helps by stopping the growth of these problematic blood vessels and reducing fluid leakage.

How Does Brolucizumab Work?

Brolucizumab works by blocking VEGF, a protein that tells your body to grow new blood vessels. When you have certain eye diseases, your body produces too much VEGF, leading to unwanted blood vessel growth.

Think of VEGF like a signal that says "grow more blood vessels here." Brolucizumab acts like a blocker that stops this signal from getting through. This prevents new abnormal blood vessels from forming and helps existing ones shrink.

The medication is considered a strong and effective treatment. It's designed to stay active in your eye for about 12 weeks, which is longer than many other similar medications.

By reducing abnormal blood vessel growth, brolucizumab helps decrease fluid leakage in your retina. This can improve your vision and prevent further damage to your eyesight.

How Should I Take Brolucizumab?

You don't take brolucizumab yourself - your eye doctor will give it to you as an injection during an office visit. The injection goes directly into your eye, which might sound scary but is actually a routine procedure.

Before your injection, your doctor will clean your eye and numb it with drops so you won't feel pain. They'll use a very small needle to inject the medication into the vitreous of your eye.

You don't need to avoid eating or drinking before your appointment. However, you should arrange for someone to drive you home afterward, as your vision might be temporarily blurry.

Your doctor will likely prescribe antibiotic eye drops to use for a few days after the injection. These drops help prevent infection and keep your eye healthy as it heals.

How Long Should I Take Brolucizumab For?

The length of treatment with brolucizumab depends on your specific condition and how well you respond to the medication. Most people need ongoing treatment to maintain their vision improvement.

Initially, you'll typically receive injections every 12 weeks after your first few doses. Your doctor will monitor your progress and may adjust this schedule based on how your eyes respond.

Some people may need treatment for years, while others might be able to extend the time between injections. Your doctor will regularly check your vision and eye health to determine the best schedule for you.

It's important to keep all your appointments, even if your vision seems stable. Skipping treatments can allow your condition to worsen and potentially cause permanent vision loss.

What Are the Side Effects of Brolucizumab?

Like all medications, brolucizumab can cause side effects, though not everyone experiences them. Most side effects are mild and temporary, but it's important to know what to watch for.

The most common side effects you might notice include temporary blurred vision, eye pain, or seeing floaters after your injection. These usually improve within a day or two as your eye adjusts to the medication.

Here are the more common side effects that patients sometimes experience:

• Temporary blurred vision or visual disturbances
• Eye pain or discomfort
• Seeing floaters or dark spots
• Increased eye pressure
• Conjunctival bleeding (small red spot on the white of your eye)
• Eye irritation or redness

These common side effects are usually mild and resolve on their own. However, you should always report any concerns to your doctor.

While rare, some serious side effects can occur and require immediate medical attention. These include signs of infection, severe eye pain, or sudden vision changes.

Here are the rare but serious side effects to watch for:

• Severe eye infection (endophthalmitis)
• Retinal detachment
• Severe inflammation inside the eye
• Blood clots in blood vessels of the retina
• Sudden severe vision loss
• Severe eye pain that doesn't improve

If you experience any of these serious symptoms, contact your eye doctor immediately or go to the emergency room. Quick treatment is essential to prevent permanent vision damage.

Who Should Not Take Brolucizumab?

Brolucizumab isn't suitable for everyone, and your doctor will carefully evaluate whether it's right for you. Certain conditions or circumstances might make this medication inappropriate or require special precautions.

You shouldn't receive brolucizumab if you have an active eye infection or inflammation around your eye. Your doctor will treat any infections first before considering this medication.

People with certain allergies or previous reactions to similar medications might not be good candidates. Your doctor will ask about your medical history and any previous eye treatments.

Here are situations where brolucizumab might not be recommended:

• Active eye infection or inflammation
• Allergy to brolucizumab or similar medications
• Certain bleeding disorders
• Recent eye surgery or injury
• Pregnancy or breastfeeding (limited safety data)
• Severe uncontrolled high blood pressure

Your doctor will weigh the benefits and risks based on your individual situation. They might recommend alternative treatments if brolucizumab isn't suitable for you.

Brolucizumab Brand Name

Brolucizumab is available under the brand name Beovu. This is the commercial name you'll see on your prescription and medical records.

Your doctor might refer to it by either name - brolucizumab or Beovu - but they're the same medication. Insurance companies and pharmacies typically use the brand name Beovu when processing claims.

The medication is manufactured by Novartis and is available through specialized eye care providers. Not all pharmacies carry it since it requires special handling and administration.

Brolucizumab Alternatives

Several other medications can treat the same eye conditions as brolucizumab. These alternatives work in similar ways but have different injection schedules and side effect profiles.

The most common alternatives include ranibizumab (Lucentis), aflibercept (Eylea), and bevacizumab (Avastin). Each has its own advantages and considerations that your doctor will discuss with you.

Here are the main alternative treatments your doctor might consider:

• Ranibizumab (Lucentis) - typically injected monthly
• Aflibercept (Eylea) - usually given every 8 weeks
• Bevacizumab (Avastin) - often used off-label, less expensive
• Faricimab (Vabysmo) - newer option with extended dosing

Your doctor will choose the best option based on your specific condition, response to treatment, and personal preferences. Sometimes trying different medications helps find the most effective treatment for you.

Is Brolucizumab Better Than Aflibercept?

Both brolucizumab and aflibercept are effective treatments for wet age-related macular degeneration and diabetic macular edema. The "better" choice depends on your individual situation and treatment goals.

Brolucizumab's main advantage is its longer duration of action. You might need injections every 12 weeks instead of every 8 weeks with aflibercept, which means fewer trips to the doctor.

However, aflibercept has been used longer and has more extensive safety data. Some doctors prefer it for patients who are new to anti-VEGF treatments or have certain risk factors.

Your doctor will consider factors like your age, overall health, previous treatment responses, and personal preferences when choosing between these medications. Both have proven effective in clinical studies.