MANILA, Philippines, April 6 /PRNewswire/ -- Rheumatoid arthritis (RA) is a systemic disease or an autoimmune disorder in which the body's defense system attacks the joints through the thin layer of cells called the synovium that lines and lubricates the joints. The most visible symptoms of RA are swollen joints and crippling stiffness, particularly of the hands and feet. It can cause fatigue, fever, loss of appetite and also impedes mobility and quality of life. In the Philippines, Serologic tests, Synovial fluid tests and X-rays are conducted to confirm the diagnosis of RA.
Rheumatoid arthritis (RA) is one of the leading causes of significant debility among Filipinos, apart from asthma and cancer and about four times as many women as men have this disease. The prevalence is currently estimated to be approximately 0.06 percent National Nutrition & Health Survey (NNHeS) and is expected to increase to 0.07 percent by 2012. The treatment options are limited to conventional drugs such as disease-modifying antirheumatic drugs (DMARDs) and nonsteroidal anti-inflammatory drugs (NSAIDs) as newer medications such as biologics are well beyond the affordability of the patients.
Frost & Sullivan, Research Analyst Sushma Rajan says, "The diagnosis of RA is based on clinical examination of symptoms, patient history, as well as some blood tests. RA cannot be confirmed or excluded by any one test. The most common test is rheumatoid factor (RF). The other supporting tests are: anti-cyclic citrullinated peptide (Anti-CCP), erythrocyte sedimentation rate (ESR), and X-ray."
"Recent work productivity studies have confirmed that better disease awareness and availability of treatment options have resulted in fewer patients ceasing to work and more patients reporting lower impact of their disease on work as well as family and social activities," she further elaborates.
The future of RA drugs in the Philippines is dependent on the availability of affordable and effective drugs to the patients. There is a steady demand for DMARDs and NSAIDs and their prescriptions are foreseen to increase, due to increased awareness and patient education, local production and distribution by companies.
Methotrexate (MTX), a DMARD (disease-modifying anti-rheumatic drugs) has been traditionally used to treat RA. It is also the most used form of treatment in rheumatoid arthritis, especially with generic forms available. Currently, combination therapies between DMARDs and NSAIDs (non-steroidal anti-inflammatory drugs) are commonly practiced.
DMARDs capture the majority of the RA therapeutics market owing to the availability of reimbursement for treatment with these drugs and their easy availability over the counter. DMARDs are expected to retain majority share in the forecast period as well.
According to Rajan, "Biologics are used in combination with DMARDs for moderate to severe RA patients. Some biologic drugs are currently reimbursed, if treated in government hospitals. Physicians opine that with more drugs brought into the hospital formularies, the usage of biologics would increase for treatment earlier in the disease."
Even though biologics are highly effective and recommended for treatment, they are likely to be the third line of treatment, due to their high cost. Physicians are willing to use biologics if they are listed in the hospital formulary and if they are affordable to their patients (current price range is seen to be out of reach of most patients). Physicians are of the opinion that more studies are required to make them feel confident in using biologics, but the cost of treatment is likely to restrain the high use of the drug class.
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