Timber Pharmaceuticals Announces Publication of Sub-Analysis of Phase 2b CONTROL study in Clinical and Experimental Dermatology
March 20 2023 - 8:00AM
via NewMediaWire -- Timber Pharmaceuticals, Inc. ("Timber" or the
“Company”) (NYSE American: TMBR), a clinical-stage
biopharmaceutical company focused on the development and
commercialization of treatments for rare and orphan dermatologic
diseases, today announced the online publication of a sub-analysis
of the Phase 2b CONTROL study in Clinical and Experimental
Dermatology (CED), the educational journal of the British
Association of Dermatologists. The CONTROL study evaluated TMB-001,
a topical isotretinoin formulated using the Company’s patented
IPEG™ delivery system, in subjects nine years of age and older with
moderate to severe congenital ichthyosis (CI).
CI is a group of rare genetic
keratinization disorders that lead to dry, thickened, and scaling
skin. CI subtypes display variable responses to oral retinoids. The
sub-analysis was designed to assess whether the efficacy and safety
of TMB-001 differed between subjects with autosomal recessive
congenital ichthyosis (ARCI) and X-linked recessive ichthyosis
(XLRI). Results show that treatment with TMB-001 demonstrated
greater proportions of participants achieving the primary and key
secondary endpoints versus vehicle regardless of the subtype of
CI.
“Patients with severe CI must often
combine bathing, mechanical scale removal, and topical
over-the-counter emollient therapy with the possible addition of
systemic retinoid therapy throughout their lifetimes to address
their disease, sometimes without significant improvement,” said
Christopher Bunick, M.D., Ph.D., Associate Professor of Dermatology
at Yale University School of Medicine and corresponding author of
the paper. “In this sub-analysis, participants in the CONTROL study
with ARCI and XLRI mostly showed comparable percentage differences
in responses to treatment with a novel topical isotretinoin
formulation versus vehicle. That is especially encouraging because
systemic retinoids do not typically demonstrate the same efficacy
across subtypes of CI.”
A total of 33 participants in the
CONTROL study were randomized to TMB-001 0.05%, TMB-001 0.1%, or
vehicle twice daily, stratified by CI subtype, for 12 weeks. The
primary endpoint was the proportion of participants with a 50% or
greater reduction versus baseline in Visual Index for Ichthyosis
Severity (VIIS) scaling. The key secondary endpoint was a two-grade
or greater reduction in Investigator Global Assessment (IGA)
scaling score versus baseline. Adverse events (AEs) were monitored.
Among enrolled participants (TMB-001 0.05% [n = 11], TMB-001 0.1%
[n = 10], and vehicle [n = 12]), 52% had ARCI and 48% had XLRI
subtypes. The intent-to-treat (ITT) population consisted of all
randomized participants who received one or more doses of the study
medication. The per-protocol (PP) population included all
participants who met all inclusion criteria, were treatment
compliant (≥80%–120% of study drug applied), had a VIIS scaling
measurement at the end of Week 12, and had no major protocol
violations.
- In the ITT
population, 33%/50%/17% of participants with ARCI and 100%/33%/75%
of participants with XLRI who received TMB-001 0.05%/TMB-001
0.1%/vehicle, respectively, achieved VIIS-50.
- In the PP
population, 100%/33%/17% of participants with ARCI and 100%/50%/75%
of participants with XLRI who received TMB-001 0.05%/TMB-001
0.1%/vehicle, respectively, achieved VIIS-50.
- In the ITT
population, improvement of ≥2-grade IGA score was observed in
33%/50%/0% of participants with ARCI and 83%/33%/25% of
participants with XLRI who received TMB-001 0.05%/TMB-001
0.1%/vehicle, respectively.
- In the PP
population, improvement of ≥2-grade IGA score was observed in
100%/67%/0% of participants with ARCI and 100%/50%/25% of
participants with XLRI who received TMB-001 0.05%/TMB-001
0.1%/vehicle, respectively.
- Most AEs reported
were application site reactions and were similarly distributed
among both subgroups.
“ARCI and XLRI are severe subtypes of
CI that can lead to cutaneous manifestations including large, dark
scaling throughout the body and reduced quality of life,” said Alan
Mendelsohn, M.D., Chief Medical Officer of Timber. “This 12-week
analysis demonstrated TMB-001 reduced clinical signs and symptoms
of two forms of CI and was well tolerated in participants with
either ARCI or XLRI. TMB-001 has been granted orphan designation
for both of these subtypes of CI by the European Commission, and
the findings of this sub-analysis support our efforts to evaluate
TMB-001 in a currently ongoing pivotal Phase 3 clinical trial. We
look forward to advancing this program with the goal of delivering
a promising alternative to systemic retinoids for patients with
these two especially severe forms of CI.”
About Timber Pharmaceuticals,
Inc.
Timber Pharmaceuticals, Inc. is a
clinical-stage biopharmaceutical company focused on the development
and commercialization of treatments for rare and orphan
dermatologic diseases. The Company's investigational therapies have
proven mechanisms-of-action backed by decades of clinical
experience and well-established CMC (chemistry, manufacturing, and
control) and safety profiles. The Company is initially focused on
developing non-systemic treatments for rare dermatologic diseases
including congenital ichthyosis (CI) and sclerotic skin diseases.
For more information, visit www.timberpharma.com.
Forward-Looking
Statements
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forward-looking statements within the meaning of Section 27A of the
Securities Act of 1933 and Section 21E of the Securities Exchange
Act of 1934 and Private Securities Litigation Reform Act, as
amended, including those relating to the Company's product
development, clinical and regulatory timelines, market opportunity,
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Annual Report on Form 10-K for the year ended December 31, 2021 as
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For more information, contact:
Timber Pharmaceuticals, Inc.John KoconisChairman and Chief
Executive Officerjkoconis@timberpharma.com
Investor Relations:Stephanie PrincePCG Advisory(646)
863-6341sprince@pcgadvisory.com
Media Relations:Adam
DaleyBerry & Company Public Relations(212)
253-8881adaley@berrypr.com
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