Aesthetic Dermatology
S K I N & A L L E R G Y N E W S • J u l y 2 0 0 8Photo at left shows a patient before treatment / with the OLDG ENTER photopneumatic device. Photo at ICHAEL right shows . M improvement of the patient’s acne B Y S H A R O N W O R C E S T E R after receiving TESTY LINICALC four treatments OURCS over an interval OT
K I S S I M M E E , F L A . — Photopneumatic
of 3 weeks. HO ENNESSEE
therapy is highly effective and nearly pain-less for the treatment of acne vulgaris, ac-cording to Dr. Michael Gold. BRIEF SUMMARY OF PRESCRIBING INFORMATION
laser system—which combines light en-ergy and a vacuum apparatus to cleansepores and destroy bacteria associatedwith acne vulgaris—was used to treatboth pustular and comedonal acne in anopen-label study involving 11 patientswith mild to moderate acne, Dr. Goldsaid at the annual meeting of the Amer-ican Society for Laser Medicine andSurgery. For topical use only
applied Extina Foam or vehicle foam twice daily for
human milk, caution should be exercised when
3-week intervals, and all of the patients
4 weeks to affected areas on the face, scalp, and/or
Extina Foam is administered to women who are
experienced significant and rapid clearing
INDICATIONS AND USAGE
chest. Adverse reactions occuring in >1% of subjects
Extina® (ketoconazole) Foam, 2% is indicated for
Pediatric Use
the topical treatment of seborrheic dermatitis
Table 1: Adverse Reactions Reported
The safety and effectiveness of Extina Foam in
Reported pain
in immunocompetent patients 12 years of age
by >1% Subjects in Clinical Trials
pediatric patients less than 12 years of age have
and older. Safety and efficacy of Extina Foam for
was minimal in Extina Foam Vehicle Foam
treatment of fungal infections have not been
Reactions
Of the 672 subjects treated with Extina Foam in the
more than 85%
clinical trials, 44 (7%) were from 12 to 17 years of
Subjects with an 188 (28%) 122 (25%) Adverse Reaction CONTRAINDICATIONS of patients, and Geriatric Use 82% of patients
Of the 672 subjects treated with Extina Foam in the
WARNINGS AND PRECAUTIONS
clinical trials, 107 (16%) were 65 years and over. said they were Contact Sensitization
Extina Foam may result in contact sensitization,
Application site reactions that were reported in
NONCLINICAL TOXICOLOGY moderately or
including photoallergenicity. [See Adverse Reactions,
<1% of subjects were dryness, erythema, irritation,
Carcinogenesis, Mutagenesis, and Impairment
paresthesia, pruritus, rash and warmth. of Fertility very satisfied Flammable Contents Dermal Safety Studies
Long-term animal studies have not been performed
The contents of Extina Foam include alcohol and
In a photoallergenicity study, 9 of 53 subjects (17%)
to evaluate the carcinogenic or photo-carcinogenic
propane/butane, which are flammable. Avoid fire,
had reactions during the challenge period at both
outcomes.
flame and/or smoking during and immediately
the irradiated and non-irradiated sites treated
In oral carcinogenicity studies in mice (18-months)
following application. Do not puncture and/or
with Extina Foam. Extina Foam may cause contact
and rats (24-months) at dose levels of 5, 20 and
incinerate the containers. Do not expose containers
80 mg/kg/day ketoconazole was not carcinogenic.
to heat and/or store at temperatures above 120°F
The high dose in these studies was approximately
USE IN SPECIFIC POPULATIONS
2.4 to 4.8 times the expected topical dose in
Pregnancy
than 85% of patients, and 82% of patients
Systemic Effects Teratogenic Effects, Pregnancy Category C:
humans based on a mg/m2 comparison. In a
said they were moderately or very satisfied
Hepatitis has been seen with orally administered
bacterial reverse mutation assay, ketoconazole
Ketoconazole has been shown to be teratogenic
ketoconazole (1:10,000 reported incidence).
did not express any mutagenic potential. In three
(syndactylia and oligodactylia) in the rat when
in vivo assays (sister chromatid exchange in
given orally in the diet at 80 mg/kg/day (4.8
corticosteroid serum levels have been seen with
humans, dominant lethal and micronucleus tests in
times the maximum expected human topical dose
aged with application of a daily moistur-
high doses of orally administered ketoconazole.
mice), ketoconazole did not exhibit any genotoxic
based on a mg/m2 comparison, assuming 100%
These effects have not been seen with topical
absorption from 8 g of foam). However, these
effects may be partly related to maternal toxicity,
At oral dose levels of 75 mg/kg/day (4.5 times
which was also observed at this dose level. [See
the expected topical human dose in mg/m2),
those from other studies of this device as
ADVERSE REACTIONS
ketoconazole impaired reproductive performance
Adverse Reactions in Clinical Trials
and fertility when administered to male rats
Because clinical trials are conducted under widely
No reproductive studies in animals have been
(increased abnormal sperm, decreased sperm
varying conditions, adverse reaction rates observed
performed with Extina Foam. There are no adequate
mobility and decreased pregnancy in mated
in the clinical trials of a drug cannot be directly
and well-controlled studies of Extina Foam in
compared to rates in the clinical trials of another
drug, and may not reflect the rates observed in
Manufactured for Stiefel Laboratories, Inc.
Extina Foam should be used during pregnancy only
practice. The adverse reaction information from
if the potential benefit justifies the potential risk to
matology visits are associated with acne,
clinical trials does, however, provide a basis for
Extina and Stiefel are registered trademarks, owned
this device—which is the only device that
identifying the adverse reactions that appear to be
Nursing Mothers
related to drug use and for approximating rates.
It is not known whether Extina Foam administered
The safety data presented in Table 1 (below) reflect
topically could result in sufficient systemic
exposure to Extina Foam in 672 subjects, 12 years
absorption to produce detectable quantities in
pears to be effective even in those patients
and older with seborrheic dermatitis. Subjects
breast milk. Because many drugs are excreted in
who are nonresponders to traditionaltherapies—is a welcome addition to theacne treatment armamentarium, he con-cluded.
Corp., which provided equipment, dis-counts, travel expenses, a research grant,and honoraria to Dr. Gold.
No. 5 – 2002 Research News 1 Using plastics to track down prions Are waste treatment plants really capable of reducing the risk of BSEinfection? A new polymer indicator developed by Fraunhofer scientists,allows plant operators to quickly evaluate the extent to which theharmful pathogens have been destroyed. 2 Neon signs: colorful, better, cheaper Fraunhofer Press: Many people tak
Anal Fistula Endosonography in anal fistulae and abscesses Sudol-Szopinska and coIs assessed the reliability of anal endosonography (AES) in the diagnosis of anal fistulae and abscesses in 86 patients. In 66 cases with permeable external opening, hydrogen peroxide solution was introduced into the fistula tract. Reliability of AES was defined after surgical treatment of all cases and found th