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Gout is basically a condition related to arthritis that happens when crystals of uric acid amass in your joints, thus it is otherwise known as uric acid crystal-triggered arthritis. The symptoms of gout normally manifests in th

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

e joint of the large toe, but it may also show up in the foot, wrist, hand, elbow, ankle and knee. There are some rare occurrences where gout is found on the shoulders, spine or hips. Gout is usually localized, so it does not s

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

Examples of combination products may in

pread from one joint to another.

Gout occurs when people have high levels of uric acid, a substance that results from the breaking down of body waste products known as purines. In normal quantities, uric acid would just dissol

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

e in one’s blood to be filtered by the kidneys and then passed out through urine. However, when the level of uric acid goes too high, crystals form and accumulate in tissues and joints. This causes symptoms such as the inflamma

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

tion of joint linings, severe pains, redness, tenderness, and localized warmth.

Gout can sometimes be confused with pseudogout, another condition with similar symptoms. However, pseudogout is caused by crystals made of calcium

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

Combination pro

, not uric acid, and thus may require different approaches in treatment.

Usual Gout Symptoms

The typical symptoms for bouts of gout are sudden occurrence of pain, redness, stiffness, warmness, and redness in the affected join

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

. Some patients develop a slight fever. The pain usually comes from two sources – first, the uric acid crystals that pricks the area when moved, and second, the inflammation of the affected tissues, causing the skin to swell ev

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

en when it is just touched. This is why even a sheer blanket covering the area may already cause excruciating pain.

The symptoms of gout usually affect the large toe first (around 75 percent of initial gout occurrences), but g

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

out can also manifest in other joints like the spine, fingers, elbow, wrist, knee, instep, heel, and ankles. There are certain cases when gout may affect the smaller toes, especially those that have poor circulation of the bloo

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

due to immobilization caused by a previous injury.

Another important symptom of gout is hyperuricemia, or the excessive production of uric acid. Extreme levels of uric acid in the blood are indicators of increased propensity

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

to develop gout. This could further lead to the development of tophi in other areas such as the ear or even in the kidney.

Stages of Gout

The symptoms of gout gradate throughout for different stages. During the first stage, k

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

Following aspects would a

nown as asymptomatic, uric levels go beyond normal level, however the symptoms of gout may not yet be that evident. The occurrence of out usually only becomes noticeable during the second stage, known as the acute stage. During

dd to the challenges in developing combination products:

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

the acute stage, symptoms are still mild and can go away within a few days up to some weeks.

After the first attack of the acute stage, the patient may then undergo a symptom-free stage known as the intercritical stage, which

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

could last for some months up to years. The symptoms may recur within six months to about two years from the first attack. Eventually, the patient would reach the chronic stage of gout when attacks become quite frequent, while

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

affecting different joints at the same time. Big tophi may now be located in different joints. This could then lead to kidney damage, kidney stones and hypertension.

How Gout is Diagnosed

Gout symptoms are not enough to confi

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

m the occurrence of the disease as the signs may be confused with other conditions. Medical tests are needed to confirm that the disease is indeed gout. One of the most common tests for gout is measuring uric acid levels. Howev

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

Professional from academic institutions, pharmaceutical industries, health care indust

er, this is not really accurate as people can still have gout even if their urate levels are normal, conversely people with high urate levels do not always have gout. Urate level testing are usually performed in conjunction wit

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

h tests for electrolytes, erythrocyte sedimentaton rates, full blood count, and renal function.

Perhaps the most definitive test for gout is the examination of joint fluid through light microscopy to show the formation of uric

.

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

acid crystals in polymorphnouclear leukocytes’ synovial fluid. However this test is very difficult to perform. An expert technician is needed to distinguish uric acid crystals from other kinds of crystals.

Gout is usually dism

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

Companies that provide selfless information through particip

issed as a usual condition in life that some people even laugh about it. However gout’s symptoms can be quite serious and can even impede on one’s normal function. Thus it is important to treat this disease as early as possible

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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