Some New Drugs May Actually Slow Joint Destruction in Knee Osteoarthritis

Risedronate (Actonel) is a drug commonly used toOsteoporosis. Patients should take the medication at
prevent and alleviate osteoporosis symptoms. It is aleast 30 minutes prior to meals, and should maintain
bisphosphonate medication that can impede jointan upright position afterwards for at least 30 minutes.
impairment. Research undertaken by the ACR showsRisedronate has been approved for the prevention
that when taken in higher doses, Risedronate canand treatment of Osteoporosis which has sets in
avert the need for surgical joint replacement inafter a prolonged use of corticosteroid drugs like
sufferers.prednisone, triamcinolone, or cortisone.
Joint ImpairmentStudy Results
The most common type or arthritis, Osteoarthritis,Scientists monitored the bone structure in a study of
can strike older people and damage the cartilagethe effects of risedronate on Osteoarthritis. The
tissue which encases bone ends at the joints.objective of the study was to assess whether the
The cartilage allows smooth movement of bones anddrug could arrest or undo bone deterioration from
absorbs the shock of vigorous physical movement. Itcartilage loss, thereby preventing joint collapse.
separates the bones from one another for efficientTwo groups of Osteoarthritis patients, a control
and effortless movement.group of 300 and a second group of 100 sufferers
Osteoarthritis Of The Kneewere chosen to participate in the study. All
Osteoarthritis usually attacks the knees, the body'sparticipants exhibited narrowing of the joint space
main weight support. The disease results in cartilagedue to the disease. The control group took a
loss, and shows through in x-rays as a reduction inplacebo, and the experimental group received
the joint space. X-rays are normally used to assessrisedronate, each at 5 mg., 15 mg. or 50 mg. doses
the extent of osteoarthritis on the joints.daily. They were then monitored over a two-year
Some current studies have determined that theperiod.
bones lying beneath the cartilage may beA new computational method utilizing standard
osteoporotic. This means that bone loss may occur,radiographs, analyzed the transformation in the
particularly in the trabecular bars supporting the bonytrabecular, or the spongy bone plate underneath the
plate underneath the cartilage tissue. Subsequentcartilage of the knees. These were performed on
bone deterioration can cause the joint to collapse,participants subdivided into groups having an absence
making surgery necessary.of, minimal, or advanced narrowing of the joint space.
Risedronate FactsResults of the Study
Risedronate (Actonel) is a bisphosphonate drugIn patients exhibiting extensive narrowing of the joint
commonly used to treat Osteoporosis, particularly inspace:
the management of postmenopausal Osteoporosis.- those receiving higher doses of risedronate, up to
There are other bisphosphonate drugs available, like:15 mg. per day or 50 mg. per week, showed an
- alendronate (Fosamax)arrest and even a retreat of trabecular bone loss.
- ibandronate (Boniva)- those receiving a placebo, or lower doses of 5 mg.
Risedronate and the other bisphosphonates work to:per showed no signs of improvement.
- increase bone massPatients with no symptoms of joint space narrowing
- impede bone deteriorationstill incurred moderate bone loss despite treatment.
- prevent bone fractures, particularly fractures of theConclusions of the Study
spineGiven in higher doses, risedronate effects include:
The National Osteoporosis Foundation (NOF) reports- Protection of the trabecular in patients exhibiting
that administering 5 mg. of risedronate daily or aextensive narrowing of the joint space.
35mg dose weekly, complimented with calcium and- Halts eventual joint collapse and prevents the
an 8-ounce glass of water, can avert and treatnecessity of joint replacement surgery.