Data from the BREEZE open-label extension study of Tyvaso DPI®
detail its long-term outcomes and dosing in patients with pulmonary
arterial hypertension
United Therapeutics is sponsoring the Tyvaso DPI®: Clinical
Pearls and Drug-Device Characteristics Symposium
United Therapeutics Corporation (Nasdaq: UTHR), a public
benefit corporation, today announced that five presentations and
one poster across its commercial and development portfolio will be
presented at the CHEST 2024 Annual Meeting hosted by the American
College of Chest Physicians taking place October 6-9, 2024, in
Boston. United Therapeutics will sponsor the Tyvaso DPI®: Clinical
Pearls and Drug-Device Characteristics Symposium. In addition,
United Therapeutics is proud to sponsor the Women in Chest Medicine
Annual Luncheon and the Advanced Practice Providers (APPs)
in Chest Medicine Forum.
“The CHEST Annual Meeting remains an important event for United
Therapeutics and the pulmonary hypertension community, and this
year we are excited to share additional analyses, particularly from
the BREEZE open-label extension study, that continue to expand on
these important learnings,” said Andrew Nelsen, PharmD, Vice
President, Global Medical Affairs at United Therapeutics. “Equally,
we are proud to sponsor a symposium entitled Tyvaso DPI®: Clinical
Pearls and Drug-Device Characteristics, as well as a series of
rapid-fire presentations showing interesting findings in health
care resource utilization, patient reported outcomes, and
health-related qualify of life.”
Oral Presentations include:
Rapid fire original investigation presentation, Tuesday, October
8, 10:20 a.m. to 10:24 a.m. ET: Rapid Area 4B/4071 –
Patient-Reported Symptom Burden and Health-Related Quality of
Life in Pulmonary Arterial Hypertension: Results from a Patient’s
Perspective on Palliative Care Online Survey. Presented by
Denise Sese, M.D., Medical University of South Carolina.
Rapid fire original investigation presentation, Tuesday, October
8, 10:32 a.m. to 10:36 a.m. ET: Rapid Area 4B/4071 – Initial
Validation of the Pulmonary Hypertension Functional Classification
Self-Report (PH-FC-SR): A Patient Focused Measure for Use in
Research and in the Clinic. Presented by Kristin Highland,
M.D., FCCP, Cleveland Clinic.
Rapid fire original investigation presentation, Tuesday, October
8, 1:45 p.m. to 1:49 p.m. ET: Rapid Area 4A/4072 – Real-World
Hospitalization Differences in Patients with Pulmonary Hypertension
due to Interstitial Lung Disease: Initiating Inhaled Treprostinil
vs. Those Who Remain Untreated. Presented by Steven Cassady,
M.D., University of Maryland Medical Center.
Rapid fire original investigation presentation, Tuesday, October
8, 2:03 p.m. to 2:07 p.m. ET: Rapid Area 4A/4072 – Long-Term
Outcomes and Dosing in the BREEZE Study Optional Extension
Phase. Presented by Abubakr Bajwa, MBBS, FCCP, Mayo Clinic.
Rapid fire original investigation presentation, Tuesday, October
8, 2:21 p.m. to 2:25 p.m. ET: Rapid Area 4A/4072 – Inhaled
Treprostinil for the Treatment of Connective Tissue-Associated
Pulmonary Arterial Hypertension. Presented by Kristin Highland,
M.D., FCCP, Cleveland Clinic.
Posters include:
Poster discussion session, Wednesday, October 9, 10:20 a.m. to
11:05 a.m. ET: 4529/4430 – Real-World Oral Treprostinil
Initiations: Insights from Specialty Pharmacy Data. Presented
by Daniel Lachant, D.O., University of Rochester Medical
Center.
Sponsored events include:
The APPs in Chest Medicine Forum, Sunday, October 6,
12:00 to 1:30 p.m. ET. The event will include a brief presentation
on navigating opportunities and challenges APPs face in clinical
practice, led by Danielle McCamey, DNP, CRNP, ACNP-BC, FCCP; and
Corinne Young, MSN, FNP-C, FCCP. Presenters will give practical
tips for making the most of the CHEST 2024 experience. The forum
will be held in the Contemporary Ballroom at the Omni Hotel.
The Women in Chest Medicine Annual Luncheon, Monday,
October 7, 12:00 to 1:30 p.m. ET. National negotiation expert and
best-selling author, Sara Laschever, will facilitate an interactive
conversation about cultivating effective negotiation skills and how
to be your best self-advocate. In addition, the 2024 recipient of
the CHEST Women’s Lung Health grant will be honored at the
luncheon. The luncheon will be held in room 156A at the Boston
Convention and Exhibition Center.
Tyvaso DPI® (Treprostinil Inhalation Powder): Clinical Pearls
and Drug-Device Characteristics, Monday, October 7, 6:00 to
9:00 p.m. ET, featuring Anthony Hickey, Ph.D., Sc.D., University of
North Carolina at Chapel Hill; Jennifer H Keeley, DNP, Allegheny
General Hospital; and Sandeep Sahay, M.D., FCCP, Houston Methodist
Hospital. The symposium will be held at the Omni Boston Hotel at
the Seaport, Momentum ABC Ballroom, Level 5.
About Tyvaso® Inhalation Solution and Tyvaso DPI® Inhalation
Powder
INDICATION
TYVASO (treprostinil) Inhalation Solution and TYVASO DPI
(treprostinil) Inhalation Powder are prostacyclin mimetics
indicated for the treatment of:
Pulmonary arterial hypertension (PAH; WHO Group 1) to improve
exercise ability. Studies with TYVASO establishing effectiveness
predominately included patients with NYHA Functional Class III
symptoms and etiologies of idiopathic or heritable PAH (56%) or PAH
associated with connective tissue diseases (33%).
The effects diminish over the minimum recommended dosing
interval of 4 hours; treatment timing can be adjusted for planned
activities.
While there are long-term data on use of treprostinil by other
routes of administration, nearly all clinical experience with
inhaled treprostinil has been on a background of an endothelin
receptor antagonist (ERA) and/or a phosphodiesterase type 5 (PDE-5)
inhibitor. The controlled clinical experience with TYVASO was
limited to 12 weeks in duration.
Pulmonary hypertension associated with interstitial lung disease
(PH-ILD; WHO Group 3) to improve exercise ability. The study with
TYVASO establishing effectiveness predominately included patients
with etiologies of idiopathic interstitial pneumonia (IIP) (45%)
inclusive of idiopathic pulmonary fibrosis (IPF), combined
pulmonary fibrosis and emphysema (CPFE) (25%), and WHO Group 3
connective tissue disease (22%).
IMPORTANT SAFETY INFORMATION
WARNINGS AND PRECAUTIONS
TYVASO and TYVASO DPI are pulmonary and systemic vasodilators.
In patients with low systemic arterial pressure, either product may
produce symptomatic hypotension.
Both products inhibit platelet aggregation and increase the risk
of bleeding.
Co-administration of a cytochrome P450 (CYP) 2C8 enzyme
inhibitor (e.g., gemfibrozil) may increase exposure (both Cmax and
AUC) to treprostinil. Co-administration of a CYP2C8 enzyme inducer
(e.g., rifampin) may decrease exposure to treprostinil. Increased
exposure is likely to increase adverse events associated with
treprostinil administration, whereas decreased exposure is likely
to reduce clinical effectiveness.
Like other inhaled prostaglandins, TYVASO and TYVASO DPI may
cause acute bronchospasm. Patients with asthma or chronic
obstructive pulmonary disease (COPD), or other bronchial
hyperreactivity, are at increased risk for bronchospasm. Ensure
that such patients are treated optimally for reactive airway
disease prior to and during treatment with TYVASO and TYVASO
DPI.
DRUG INTERACTIONS/SPECIFIC POPULATIONS
The concomitant use of either product with diuretics,
antihypertensives, or other vasodilators may increase the risk of
symptomatic hypotension.
Human pharmacokinetic studies with an oral formulation of
treprostinil (treprostinil diolamine) indicated that
co-administration of the cytochrome P450 (CYP) 2C8 enzyme
inhibitor, gemfibrozil, increases exposure (both Cmax and AUC) to
treprostinil. Co-administration of the CYP2C8 enzyme inducer,
rifampin, decreases exposure to treprostinil. It is unclear if the
safety and efficacy of treprostinil by the inhalation route are
altered by inhibitors or inducers of CYP2C8.
Limited case reports of treprostinil use in pregnant women are
insufficient to inform a drug-associated risk of adverse
developmental outcomes. However, pulmonary arterial hypertension is
associated with an increased risk of maternal and fetal mortality.
There are no data on the presence of treprostinil in human milk,
the effects on the breastfed infant, or the effects on milk
production.
Safety and effectiveness in pediatric patients have not been
established.
Across clinical studies used to establish the effectiveness of
TYVASO in patients with PAH and PH‑ILD, 268 (47.8%) patients aged
65 years and over were enrolled. The treatment effects and safety
profile observed in geriatric patients were similar to younger
patients. In general, dose selection for an elderly patient should
be cautious, reflecting the greater frequency of hepatic, renal, or
cardiac dysfunction, and of concomitant diseases or other drug
therapy.
ADVERSE REACTIONS
Pulmonary Arterial Hypertension (WHO Group 1)
In a 12-week, placebo-controlled study (TRIUMPH I) of 235
patients with PAH (WHO Group 1 and nearly all NYHA Functional Class
III), the most common adverse reactions seen with TYVASO in ≥4% of
PAH patients and more than 3% greater than placebo were cough (54%
vs 29%), headache (41% vs 23%), throat irritation/pharyngolaryngeal
pain (25% vs 14%), nausea (19% vs 11%), flushing (15% vs <1%),
and syncope (6% vs <1%). In addition, adverse reactions
occurring in ≥4% of patients were dizziness and diarrhea.
In a 3-week, open-label, single-sequence, safety and
tolerability study (BREEZE) conducted in 51 patients on stable
doses of TYVASO who switched to a corresponding dose of TYVASO DPI,
the most commonly reported adverse events seen with TYVASO DPI in
≥4% of PAH patients during the 3-week treatment phase included
cough (35.3%), headache (15.7%), dyspnea (7.8%), and nausea
(5.9%).
Pulmonary Hypertension Associated with ILD (WHO Group 3)
In a 16-week, placebo-controlled study (INCREASE) of 326
patients with PH-ILD (WHO Group 3), adverse reactions with TYVASO
were similar to the experience in studies of PAH.
Please see Full Prescribing Information for TYVASO or TYVASO
DPI, Instructions for Use manuals for TD-100 and TD-300 TYVASO®
Inhalation System and TYVASO DPI™ Inhalation Powder, and additional
information at www.TYVASOHCP.com or call 1‑877‑UNITHER
(1-877-864-8437).
TYVISIhcpMAY2022revised
United Therapeutics: Enabling Inspiration
At United Therapeutics, our vision and mission are one. We use
our enthusiasm, creativity, and persistence to innovate for the
unmet medical needs of our patients and to benefit our other
stakeholders. We are bold and unconventional. We have fun, we do
good. We are the first publicly-traded biotech or pharmaceutical
company to take the form of a public benefit corporation
(PBC). Our public benefit purpose is to provide a brighter
future for patients through (a) the development of novel
pharmaceutical therapies; and (b) technologies that expand the
availability of transplantable organs.
You can learn more about what it means to be a PBC here:
unither.com/pbc.
Forward-Looking Statements
Statements included in this press release that are not
historical in nature are “forward-looking statements” within the
meaning of the Private Securities Litigation Reform Act of 1995.
Forward-looking statements include, among others, our goals of
innovating for the unmet medical needs of our patients and to
benefit our other stakeholders, furthering our public benefit
purpose of developing novel pharmaceutical therapies and
technologies that expand the availability of transplantable organs.
These forward-looking statements are subject to certain risks and
uncertainties, such as those described in our periodic reports
filed with the Securities and Exchange Commission, that could cause
actual results to differ materially from anticipated results.
Consequently, such forward-looking statements are qualified by the
cautionary statements, cautionary language and risk factors set
forth in our periodic reports and documents filed with the
Securities and Exchange Commission, including our most recent
Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and
Current Reports on Form 8-K. We claim the protection of the safe
harbor contained in the Private Securities Litigation Reform Act of
1995 for forward-looking statements. We are providing this
information as of September 24, 2024, and assume no obligation to
update or revise the information contained in this press release
whether as a result of new information, future events, or any other
reason.
TYVASO and TYVASO DPI are registered trademarks of United
Therapeutics Corporation.
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