Conventional
vitiligo treatment is focused on
these five major areas:
The first
vitilitgo treatment is
sunscreen. It serves to protect
the depigmented skin from burning
and also helps to decrease the
pigmentation (tanning) in normal skin.
The second
vitilitgo treatment option is
make-up (e.g. conceal, cover-up). This is
especially useful when vitiligo
affects the face. It helps to
blend the depigmented areas with
that of normal skin and reduces the
high contrast.
The third
vitilitgo treatment option is
repigmentation. This process involves
the use
of natural or artificial UVA and
UVB light, combined with either topical
corticosteroids, topical psoralen
(PUVA), or oral psoralen
drugs.
The fourth
vitilitgo treatment option is
minigrafting, which takes pieces
of normal skin and grafts them
into areas affected by the
vitiligo.
The fifth
vitilitgo treatment option is
depigmentation, where the pigment
is removed from the normal skin to
match the areas affected by
vitiligo. This is mostly reserved
for either cases that did not respond
well to repigmentation with
psoralens, or when the vitiligo
affects a large surface area of the body. [8]
Supplements helpful for Vitiligo
Vitamin B12 and
Folic Acid
Both vitamin B12
and folic acid have been found to
be deficient in individuals with vitiligo. The relationship
between these nutrients and the development
and treatment of vitiligo are
unclear, though many hypotheses exist. Vitiligo is associated with
autoimmune diseases and pernicious
anemia. However, in pernicious anemia there
is a decreased absorption of Vitamin
B12. This may be a causal
relationship.
In a study of 100
patients with vitiligo,
supplementation with B12 and folic
acid, concurrent with sun exposure, caused
a repigmentation in 52% of
the cases. Six patients had
complete repigmentation. The
spreading of lesions was ceased
entirely in 64% of the patients.
Results were more significant when
there was an inclusion of UVA exposure. [9] In another study, folic acid and
B12 status was measured in
individuals with vitiligo and
was found to be lower than normal
subjects. Supplementation with
both B12 and folic acid in this
group also resulted in repigmentation. [10]
Vitamin E and
CoQ10
It has been
observed that individuals with vitiligo have an
imbalance in the anti-oxidant
systems of skin. This
supports the theory that oxidative
damage (via the sun) may play a
role in the pathogenesis of melanocyte destruction and the
subsequent development of
vitiligo. Free radicals are
elevated in the melanocytes of
individuals with vitiligo. Anti-oxidants that are specific to
cell membranes are also found to be
extremely
low. [11]
One study measured
the oxidative stress in the epidermis
of individuals with vitiligo and
found it to be increased. Also
measured and found to be deficient were the anti-oxidants
that are usually present to
protect the cell membrane from
damage, namely, Vitamin E and
CoQ10. [12] This supports the
theory that the supplementation
of anti-oxidants aids in protecting skin
cells from the damage caused by free
radicals.
Vitamin D3
Vitamin D is
nutritive to the skin. It helps
to maintain the integrity of cellular
membranes. It is also involved in
the production of melanin and
directly affects cell growth and
differentiation. Topical
treatments of vitamin
D3 have been proven to be an effective treatment for vitiligo. The mechanism
of action may be associated
with the immunomodulatory effect
of vitamin D3.
In a small study, 6 of 15 patients had greater
than 30% clearance of vitiligo
after a short treatment period. The application was combined with
sun exposure for 30 minutes. Results were more positive in
individuals who had been
diagnosed within the previous five years
before study. [13] In
considerably larger clinical study, 77% of patients
had a 30-100% improvement in repigmentation after treatment for
3-9 months with both topical Vitamin D3
and UVA light. These results were
consistent with conventional
therapies that employ PUVA
treatments. [14]
Phenylalanine
Phenylalanine is an
amino acid that has been effective
in the treatment of vitiligo.
Although the mechanism is not fully
understood, it is postulated that
phenylalanine stimulates the
production of melanin by the melanocytes. Oral and topical
phenylalanine has been used with
positive results.
In one study, the oral
supplementation or L-phenylalanine for six months
resulted in an improvement (repigmentation)
in 90% of the cases. 68% of
these individuals had
greater than 75% improvement. The
areas on the face and trunk were
affected most. [15] In an uncontrolled trial, the
combination of oral and topical
phenylalanine in conjunction with sun exposure, resulted in
complete repigmentation in 57% of
total cases (n=171). [16] Results are best when oral and
topical phenylalanine is combined
with regulated amounts of UV
exposure. [17]
Ginkgo Biloba
Ginkgo biloba is a
potent anti-oxidant due to its
high flavonoid content. Because of
its free radical quenching
abilities, it has been looked at as
a possible therapy for vitiligo.
In one recent study, supplementation with ginkgo biloba
extract resulted in significant
results. All of the
participants had a
cessation of disease progression, while 10 patients had complete repigmentation. [18]
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