| For centuries, physicians and patients have sought
non-surgical therapies to remove or reduce the appearance of facial wrinkles
and aging. Many materials have been tried; some with good results, others
with disastrous results and others have proven ineffective. Most therapies
available or those currently under investigation fall into two categories:
wrinkle-smoothing agents of Botulinum toxin and soft tissue fillers that add
volume.
Since the 1980s, injectable collagen has been used as a soft
tissue filler. Collagen is a naturally occurring protein that supports
various parts of the body including skin and joints. Injectable collagen is
made from purified cow skin to fill wrinkles, lines and scars on the face.
The primary risk of injectable collagen is allergic reaction. Marketed under
the names Zyderm and Zyplast, injectable collagen absorbs into the body and
must be repeated. Results last up to six months. Nearly 800,000 people had
collagen injections in 2001, according to the American Society of Plastic
Surgeons.
Fat injections have been used for years to add volume, fill wrinkles,
lines and enhance the lips. Fat injections involve taking fat from one part
of the patient's body (abdomen, thighs or buttocks) and reinjecting it
beneath the facial skin. Unlike collagen, allergic reaction is not a factor
as the fat is harvested from the patient's own body. Results are variable,
but can be permanent. More than, 70,000 people had fat injections in 2001,
according to the ASPS.
Botulinum toxins
Botulinum toxins have been used for neck spasms, cranial nerve disorders
and eye spasms. With the recent FDA approval for cosmetic use, the drug is
used to smooth facial wrinkles. When injected into facial wrinkles botulinum
toxins block nerve impulses, temporarily paralyzing muscles and smoothing
wrinkles. Currently Botox® is the only form of botulinum
toxin approved by the FDA for cosmetic purposes, but two others, MyoblocTM
and Dysport® are under FDA review for cosmetic use.
More than 850,000 people had Botox® injections in 2001,
according to ASPS, representing 15 percent of non-surgical cosmetic plastic
surgery procedures. Fifty-five percent of all Botox® procedures
were performed on people between the ages of 35 -50.
|
Injectable |
Description |
Purpose |
Side Effects/Risks |
Results |
FDA Approval |
| Botox |
Botulinum toxin type A |
Smoothes wrinkles |
Allergic reaction, bruising,
numbness, droopy eyelids, body may become immune |
Can begin to take effect 5-7
days, maximum effect in two weeks |
April 2002 |
| Myobloc |
Botulinum toxin type B;
Requires larger dose than Botox but takes effect more quickly. Myobloc
has a longer shelf life than Botox. May serve as alternative to patients
resistant to botulinum toxin type A. |
Smoothes wrinkles |
Allergic reaction, bruising,
numbness, droopy eyelids, body may become immune |
Can takes effect in 4-6
hours, maximum effect in 2 weeks |
Pending Approved only for
cervical dystonias. U.S. patients can consent to off-label use for
cosmetic treatment. |
| Dysport |
Botulinum toxin
type A; Requires larger dose than Botox but manufacturer claims
injections are stronger and last longer with patients returning twice a
year rather than four treatments with Botox. |
Smoothes
wrinkles |
Allergic
reaction, bruising, numbness, droopy eyelids, body may become immune |
Can begin to
take effect 5-7 days, maximum effect in two weeks |
Pending |
Hyuralonic Acid
Hyaluronic acid exists naturally in all living organisms and is a natural
component of connective tissues, including the skin. Hyaluronic acid has
been used to treat joint pain. Restylane is a soft tissue filler made
of synthetic hyaluronic acid, which adds volume to minimize wrinkles and
lines. As the substance naturally occurs in humans, allergic reactions are
rare. Restylane is being used in Canada and Europe. Hylaform is
another tissue filler composed of hyaluronic acid extracted from rooster
combs. It is currently used in Europe and Canada.
|
Injectable |
Description |
Purpose |
Side Effects/Risks |
Results |
FDA Approval |
| Restylane |
Non-animal based derived
hyaluronic acid |
Soft tissue filler that adds
volume |
Rare allergic reaction
|
Immediate lasting up to 1
year |
FDA has results of clinical
trials-hearing pending |
| Hylaform |
Hyaluronic acid extracted
from rooster combs |
Soft tissue filler to add
volume |
Redness, swelling, higher
rate of allergic reaction-animal based product |
Vary, usually 3 - 6 months |
Pending |
Two additional soft tissue fillers being studied for their wrinkle
reducing and volume-adding qualities are: Artecoll® and
Radiance TM. Artecoll is a permanent "micro-implant" to fill
facial wrinkles and lines, which is currently used in Europe, Canada and
Mexico. Radiance is composed of calcium hydroxylapatite, which has been used
in the body for multiple applications including cheek and chin implants.
Radiance is injected into the face adding volume through microspheres that
are suspended in polysaccharide carriers until encapsulation occurs.
|
Injectable |
Description |
Purpose |
Side Effects/Risks |
Results |
FDA Approval |
| Artecoll |
75% percent collagen and 25%
polymethylmethacrylate microspheres (non-silicone, carbon-based
polymers) |
Artecoll's manufacturer
claims the injectable is permanent, as the microspheres do not absorb
into the body |
Lumping, granulomas
(localized skin reactions to foreign bodies, which can appear as
hardness or a rash), microspheres can possibly move to other areas of
the body |
Immediate |
Approved by FDA's General
and Plastic Surgery Device Panel with conditions Feb. 2003 |
| Radiance (Bioform) |
Calcium hydroxylapatite (a
substance found in bone and teeth, made into an injectable paste) |
Reported to last 2-5 years.
Little risk of allergic reaction |
Clumping, lumping,
granulomas, microspheres may move to other areas of the body |
Pending. Immediate according
to manu-facturer |
Cosmetic approval pending.
Approved for vocal cord paralysis and urinary incontinence; can be used
off-label |
ASPS, founded in 1931, is the largest plastic surgery organization in the
world and the foremost authority on cosmetic and reconstructive plastic
surgery. ASPS represents physicians certified by The American Board of
Plastic Surgery (ABPS) or The Royal College of Physicians and Surgeons of
Canada. For referrals to ABPS-certified plastic surgeons in your area and to
learn more about cosmetic and reconstructive plastic surgery, call the ASPS
at (888) 4-PLASTIC (888-475-2784) or visit
http://www.plasticsurgery.org |