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Ocular migraines are a period of strange visual sensations that may, or may not be followed by a migraine headache.

Who gets them?

They are most commo

According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product

n in people who already suffer from classic migraine.

So what happens?

An ocular migraine usually only happens in one eye. When it begins, you may ju

; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.

Examples of combination products may in

st notice that something is off with your sight.

You may see a tiny spot. Over a period of a few minutes, that spot may get bigger. You may start to lose yo

lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.

ur vision in patches. The expanded spot may start to shimmer or develop a colored or zig-zagged border.

This pattern may get bigger until it is not only in t

here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe

he center of your vision – but in the outer part too. Usually over 15-30 minutes the distortion may travel out to the side of your vision as well and then sim

d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.

Combination pro

ply disappear.

You may, or may not go on to develop a migraine headache. Many people who suffer with this say that they only feel tired after the experience.

ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc

What causes ocular migraine?

No one’s quite sure – but it is believed to be caused by an unusual stimulation of the nerves at the back of the brain. I

easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi

n classical migraine, a spasm affects the surface of the brain. In ocular migraine, the blood supply to the eye or the supply to the vision area of the brain

nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically

is affected.

How often do they happen?

In the same way as classic migraines, ocular ones seem to happen with no particular pattern. You may find that

and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ

you have several in one week and then not suffer any more at all for months or even years.

Do they have any warning, like a migraine aura?

Some peopl

ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi

e find that they are extra-sensitive to light and/or sound and this is their signal that an ocular migraine could be on the way.

So who do I go to see – a

ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.

Following aspects would a

Doctor or an ophthalmologist?

Many people often go and see their ophthalmologist as they are worried that they are losing their sight. People starting wi

dd to the challenges in developing combination products:

Which markets to tap where the combination products can do fairly well?
Which combination prod

th ocular migraine should also see a neurologist so that other conditions which can give rise to the same sort of symptoms can be ruled out. These include a b

cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin

lood clot in the retinal artery, migraine with aura and stroke.

What treatment can I get for them?

Ocular migraines themselves don’t usually require t

tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen

reatment. They appear to be triggered by the same triggers common to migraine. Prevention is the best way of coping with them:

Avoid known trigger

t?

As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel

Keep stress levels down

Keep to a regular routine

Make sure you get enough sleep

If they are followed by a migraine headache, the usua

ping new procedures for reviewing their safety, efficacy and quality.

Professional from academic institutions, pharmaceutical industries, health care indust

l migraine medications might be prescribed by your Doctor.

Please note: Triptans, which are now commonly used for migraine treatment should not be used

y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products

for people with ocular migraine. This is because they work by reducing the enlargement of blood vessels and therefore get rid of the pressure on nerves.

Thi

.

As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de

s constricting effect could give rise to problems with the blood vessels of the retina and could even result in lost vision.

Triptans include:

Suma

elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.

Companies that provide selfless information through particip

triptan (Imitrex)

Zolmitriptan (Zomig)

Naratriptan (Amerge)

There are other triptans too. If worried or in any doubt, please see your Doctor

tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products

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