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PolyPid Initiates D-PLEX NDA Submission to the FDA PolyPid Submits First Modules as Part of Rolling NDA Review; Completion expected in Second Quarter of 2026 U.S. Commercialization Partnership Negotiations on Track

Key Takeaway: PolyPid Ltd. has initiated the NDA submission for its lead product D-PLEX100 to the FDA for preventing surgical site infections in colorectal surgery patients. This submission is part of a rolling review process under the Fast Track designation, with the completion expected in the second quarter of 2026. The company reported positive results from the Phase 3 SHIELD II trial and is focusing on potential commercialization partnerships. The product aims to deliver a prolonged antibiotic effect at the surgical site using its innovative delivery technology.
Price reaction · baseline $4.21 (2026-03-30 close) · hit after-hours · clean, no other PYPD news in the window
day 0 close
+4%

Market Sentiment Analysis

POSITIVE FACTORS

  • PolyPid has initiated a pivotal NDA submission for D-PLEX, marking an important milestone.
  • The submission includes critical components under the FDA's Fast Track designation.
  • D-PLEX100 showed promising results with a statistically significant reduction in surgical site infections in clinical trials.
  • Negotiations for a U.S. commercialization partnership are on track.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+50%
120-day peak, hindsight
Typical move
4.8%
average across 4 past catalysts
Lead asset
D-PLEX
Phase 3 · Surgical Site Infection

Full Press Release Details

PolyPid Initiates D-PLEX
NDA Submission to the FDA
PolyPid Submits First Modules as
Part of Rolling NDA Review; Completion expected in Second Quarter of 2026
U.S. Commercialization Partnership
Negotiations on Track
PETACH TIKVA, Israel, March 31, 2026 (GLOBE NEWSWIRE) -- PolyPid Ltd.
(Nasdaq: PYPD) ("PolyPid" or the "Company"), an innovative biopharmaceutical company dedicated to improving patient
outcomes by elevating treatment effectiveness, right where care begins, today announced that it has initiated a New Drug Application ("NDA")
submission to the U.S. Food and Drug Administration (the "FDA") for D-PLEX for the prevention of surgical
site infections ("SSIs") in patients undergoing colorectal surgery.
The NDA is being submitted under the FDA's Fast Track designation,
which allows for rolling review. The submission includes the Chemistry, Manufacturing and Controls (CMC) and nonclinical sections of the
NDA, with additional components, including the clinical section, expected to be submitted in the second quarter of 2026.
"This submission marks a pivotal milestone for PolyPid as we
advance D-PLEX into its regulatory approval phase," said Dikla Czaczkes Akselbrad, Chief Executive Officer
of PolyPid. "Following the positive results from our successful Phase 3 SHIELD II trial and constructive feedback from our previously
announced pre-NDA meeting with the FDA, we are pleased to initiate the NDA submission. We are highly focused on executing toward potential
approval and commercialization, with the goal of bringing D-PLEX to patients undergoing surgery, while advancing
discussions for a U.S. commercialization partnership."
D-PLEX100, PolyPid's
lead product candidate, is designed to provide local prolonged and controlled anti-bacterial activity directly at the surgical site to
prevent SSIs. Following the administration of D-PLEX100 into the surgical site, PolyPid's delivery technology,
Kynatrix, pairs with Active Pharmaceutical Ingredients, enabling a prolonged and continuous release of the broad-spectrum antibiotic
doxycycline, resulting in a high local concentration of the drug for a period of 30 days for the prevention of SSIs, with additional
potential to prevent SSIs caused by antibiotic-resistant bacteria at the surgical site. D-PLEX100 recently demonstrated
positive results in the Phase 3 SHIELD II trial, achieving a statistically significant 60% (p= 0.0013) relative risk reduction in SSI
incidence following abdominal colorectal surgery with large incisions. D-PLEX100 received Breakthrough Therapy Designation
from the FDA for the prevention of SSIs in patients undergoing elective colorectal surgery.
PolyPid Ltd. (Nasdaq: PYPD) is an innovative
biopharmaceutical company dedicated to elevating treatment effectiveness, right where care begins. The Company develops long-acting,
controlled-release drugs designed to deliver therapy precisely at the site of care, addressing critical unmet medical needs across a
wide and diverse pipeline spanning surgical care, metabolic diseases, and beyond. PolyPid's lead product, D-PLEX ,
successfully met its primary and all key secondary endpoints in the landmark Phase 3 SHIELD II trial for the prevention of surgical site
infections. Guided by a commitment to precision and innovation, PolyPid is redefining how therapies perform and raise the standard of
Forward-looking Statements
This press release contains "forward-looking
statements" within the meaning of the Private Securities Litigation Reform Act and other securities laws. Words such as "expects,"
"anticipates," "intends," "plans," "believes," "seeks," "estimates"
and similar expressions or variations of such words are intended to identify forward-looking statements. For example, the Company is
using forward-looking statements when it discusses the progress of the rolling NDA submission for D-PLEX and the
expected timing thereof, the Company's expectations regarding potential approval of D-PLEX , and potential
commercial partnership for the U.S. market. Forward-looking statements are not historical facts, and are based upon management's
current expectations, beliefs and projections, many of which, by their nature, are inherently uncertain. Such expectations, beliefs and
projections are expressed in good faith. However, there can be no assurance that management's expectations, beliefs and projections
will be achieved, and actual results may differ materially from what is expressed in or indicated by the forward-looking statements.
Forward-looking statements are subject to risks and uncertainties that could cause actual performance or results to differ materially
from those expressed in the forward-looking statements. For a more detailed description of the risks and uncertainties affecting the
Company, reference is made to the Company's reports filed from time to time with the Securities and Exchange Commission, including,
but not limited to, the risks detailed in the Company's Annual Report on Form 20-F filed on February 25, 2026. Forward-looking
statements speak only as of the date the statements are made. The Company assumes no obligation to update forward-looking statements
to reflect actual results, subsequent events or circumstances, changes in assumptions or changes in other factors affecting forward-looking
information except to the extent required by applicable securities laws. If the Company does update one or more forward-looking statements,
no inference should be drawn that the Company will make additional updates with respect thereto or with respect to other forward-looking
statements. References and links to websites have been provided as a convenience, and the information contained on such websites is not
incorporated by reference into this press release. PolyPid is not responsible for the contents of third-party websites.
Investor Relations Contact:
Arx Investor Relations
North American Equities Desk

Frequently Asked Questions

What is the purpose of PolyPid's D-PLEX?

D-PLEX aims to prevent surgical site infections in patients undergoing colorectal surgery.

What designation does PolyPid's NDA for D-PLEX have?

The NDA has Fast Track designation, allowing for a rolling review by the FDA.

When are additional NDA components expected to be submitted?

Additional components are expected to be submitted in the second quarter of 2026.

What significant results did D-PLEX100 achieve in trials?

D-PLEX100 showed a 60% reduction in surgical site infection incidence in trials.

What are the potential benefits of D-PLEX100?

It provides prolonged antibiotic release and may prevent infections from resistant bacteria.

Last updated: Mar 31, 2026