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Posts Tagged ‘Bone Matrix’

Treat to Target #6 – Treatment

February 27, 2018 @ 7:07 pm
posted by Dr Ginther

Our goal is NO NEW FRACTURES.  Therefore, Treat to Target means a FRAX score of <20% for “major osteoporotic” and <3% for hip fracture.  Alternately, T-score of better than -1.5 if there are any fractures.

Antiresorptives do not substantially increase bone mass or BMD.  While a 3-5% BMD improvement can be seen when a long term deficiency in calcium absorption is corrected, the function of an antiresorptive is to maintain current bone mass.

If you want to substantially increase bone mass, you must use an anabolic medication.  We now have 2.  Forteo (teriparatide) has been available for 15 years.  Tymlos (abaloparatide) was approved late last spring, but has only achieved good coverage by a majority of insurance companies in the last month.

Both can be given for up to 24 months.  Both must be followed by an antiresorptive to avoid loss of gains.  Both will show continued improvement in BMD for up to 3 years after switching to an antiresorptive because calcium takes up to 3 years to fully accumulate in new bone matrix formed by an anabolic.

Both should NOT be given to anyone with open growth plates, Paget’s, radiation to bone, cancers which have or could spread to bone, elevated bone specific alkaline phosphatase other than from fracture healing, or pregnant or nursing women.

Tymlos is approved for postmenopausal women only.  It does not stimulate bone turnover significantly and therefore shows faster BMD increase initially in the hip.  It has not been tested for use after antiresorptives.

Forteo is approved for men and women with osteoporosis which is “age-related”, or from steroid use, or from idiopathic hypogonadism.  Forteo significantly increases both osteoblast and osteoclast activity, thereby stimulating bone turnover, which is often suppressed after long-term antiresorptives.  Forteo is the default treatment for ONJ and AFF.

If you are dealing with vertebral fractures on VFA, or really low BMD on DXA, or with multiple fragility fractures, you need an ANABOLIC FIRST, to decrease fracture risk.  Then follow with antiresorptives to maintain a low enough fracture risk.

Remember, even these medications will fail without proper nutrition.

jay Ginther, MD

A New Anabolic – Tymlos

September 24, 2017 @ 8:53 pm
posted by Dr Ginther

The FDA approved Tymlos (Abaloparatide) in June for use in women diagnosed with osteoporosis.  Unfortunately most patients are unlikely to obtain insurance coverage for Tymlos until January or February 2018.

Tymlos is an anabolic, which means that it can stimulate osteoblasts, the cells that make new bone matrix.  Until now only Forteo (Teriparatide) has been available to do that.  Having a second option will be helpful.

Tymlos is similar to Forteo, yet there are distinct differences.  Tymlos is almost pure osteoblast stimulation which means that BMD rises faster in areas with cortical bone, such as the hip.  This potentially makes it a better choice for women never exposed to antiresorptive bisphosphonates like Fosamax (Alendronate), Actonel (Risedronate), Boniva (Ibandronate), and Reclast.

Tymlos is a daily shot (like insulin), but does not require refrigeration.  It is approved for up to 24 months use and must be followed by an antiresorptive in order to not lose the benefits gained.

Patients with a single fracture of hip, or multiple fractures of other bones including spine, or with a BMD well below -2.5, or a FRAX score well above 20%and 3.0%, should be considered for an anabolic.  Now we have another choice available.

For now Tymlos is approved for women only and osteoporosis only.  We look forward to the FDA adding men and other indications in coming years.

Meanwhile, we wait for insurance coverage to make it affordable.

Jay Ginther, MD

Bones are over 80% protein.  The organic part of bone is collagen, which is protein.  Calcium is gradually deposited into the organic bone matrix to make bone stiffer.  Ideal bone is mildly flexible, like a titanium airplane wing.

Healthy bones require adequate protein in your diet.  Milk, cheese, and yogurt are good.  Lean meats like chicken, turkey, and fish have less cholesterol than beef or pork.  All sorts of beans, lentils, garbanzos (humus), nuts are vegetarian alternatives.

Protein needs are higher when you are growing, and again starting in your 60’s.  The basic guideline during adulthood is 1 gram of protein for each kilo of lean weight.  See our previously posted Protein Chart.

Muscle is mostly protein.  Strong muscles keep bones strong by tugging on them and by compressing them.  Strong muscles maintain balance and prevent falls.

Preparing protein foods from scratch can be time consuming.  Some days I take the shortcut of Premier Protein Shakes.  30 grams of protein, only 1 gram sugar, low fat, only 160 calories, made from milk solids, and they have 500 mg Calcium.

Take Control Naturally by getting enough Protein in your diet.

Jay Ginther, MD

You have started taking Osteoporosis Medication.  You think you have entirely eliminated your Fracture Risk.  Then, WHAM – you have a Fracture!  What went wrong?

It is time to re-evaluate.  There are many possible reasons for your fracture.

First, all osteoporosis medications gradually become effective over months.  Therefore, if you fracture within the first few months, there has not been enough time for it to become fully effective.

By two to three years, all osteoporosis medications Decrease Fracture Risk by 1/2 to 2/3.  That is very good, but not perfect.

Second, you need to be sure you are getting enough Absorbable Calcium in 3 doses of 400-500 mg In Foods or With Foods – every day.  You need to have a high enough Vitamin D level to absorb the Calcium.  You need Magnesium too – a Multiple Vitamin and Mineral (taken with a full meal) should be enough.  You also need Protein (1gram per kg of body weight).  If you had Secondary HyperParathyroidism, it must be resolved.

Third, Bisphosphonate pills are sometimes not absorbed adequately.  When they work, we actually absorb less than 1% of the drug taken.  If this is a problem, Reclast or Prolia can get around the absorption issue.  Of course, skipped doses do not work at all.

Fourth, there may be other issues causing fragility.  A Complete Bone Health Evaluation will usually identify Diabetes, HypoThyroidism, Colitis, Irritable Bowel Syndrome, Lactose or Gluten sensitivities, etc.  These need to be fixed too.

Finally, your Osteoporosis may be too severe to be ideally treated with Antiresorptives.  Very low BMD and T-scores, multiple Fragility Fractures, Vertebral Fracture Deformities (especially multiple) are all indications that you probably should start with the Anabolic, Forteo, to build up your Bone Matrix enough that a Antiresorptive can then be the best treatment.

Fracture while on medication?  Time to re-evaluate.  Then modify your program if needed.

Jay Ginther, MD