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Ensysce (NASDAQ: ENSC) advances PF614 programs as 2025 net loss hits $10.2M

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Ensysce Biosciences reported fourth quarter and full year 2025 results alongside clinical and regulatory progress for its opioid safety pipeline. The company advanced lead pain candidate PF614 into a pivotal Phase 3 post‑surgical pain trial and continued development of PF614‑MPAR, which has FDA Breakthrough Therapy designation for its overdose‑protection technology.

PF614‑301 Phase 3 enrollment is underway, and the FDA provided supportive feedback for PF614‑MPAR, including potential use of a streamlined 505(b)(2) pathway and overdose‑protection labeling. Ensysce also expanded its intellectual property, with a new U.S. patent on MPAR® technology extending protection to 2042 and a European notice of allowance for an amphetamine prodrug patent.

Financially, federal grant funding was $5.1 million in 2025, while research and development expenses rose to $10.4 million and general and administrative costs were $4.9 million. Net loss attributable to common stockholders increased to $10.2 million for 2025, with fourth quarter loss of $2.8 million. Cash and cash equivalents were $4.3 million at December 31, 2025, supported by $8.7 million of net cash provided by financing activities. As a clinical‑stage biotech, the company expects continued losses as it invests in late‑stage trials and pipeline growth.

Positive

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Insights

Ensysce deepens late-stage opioid pipeline but remains loss-making with modest cash.

Ensysce Biosciences is pushing its abuse‑deterrent opioid platform into late stages, with PF614 now in Phase 3 and PF614‑MPAR advancing under FDA Breakthrough Therapy designation. The FDA’s openness to a 505(b)(2) pathway and overdose‑protection labeling could, if realized, shorten development timelines versus traditional routes.

Patents extending MPAR® protection to 2042 in the U.S. and a European allowance for PF8026 broaden potential future indications in pain, ADHD and OUD. However, the company remains pre‑revenue, relying on $5.1M in annual federal grants and external financing while R&D spending reached $10.4M in 2025.

Net loss attributable to common stockholders was $10.2M for 2025, and year‑end cash stood at $4.3M, after $8.7M of net cash from financing. The trajectory underscores dependence on capital markets and grant funding until regulatory approvals or partnerships potentially change the company’s financial profile.

Item 2.02 Results of Operations and Financial Condition Financial
Disclosure of earnings results, typically an earnings press release or preliminary financials.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Federal grants 2025 $5,066,650 Funding from federal grants for year ended December 31, 2025
R&D expenses 2025 $10,376,895 Research and development expenses for year ended December 31, 2025
G&A expenses 2025 $4,930,701 General and administrative expenses for year ended December 31, 2025
Net loss 2025 $10,176,187 Net loss for year ended December 31, 2025
Net loss per share 2025 $(3.98) Net loss per share attributable to common stockholders, basic and diluted, 2025
Cash year-end 2025 $4,310,354 Cash and cash equivalents at December 31, 2025
Operating cash flow 2025 $(7,806,292) Net cash used in operating activities for year ended December 31, 2025
Stockholders’ equity 2025 $2,884,750 Stockholders’ equity at December 31, 2025
Trypsin-Activated Abuse Protection (TAAP™) medical
"PF614 is a Trypsin-Activated Abuse Protection (TAAPTM) extended-release oxycodone"
MPAR® (Multi-Pill Abuse Resistance) medical
"PF614-MPAR combines Ensysce’s TAAP™ chemistry with its proprietary MPAR® (Multi-Pill Abuse Resistance) overdose-protection technology"
Breakthrough Therapy designation regulatory
"PF614-MPAR remains on an accelerated development path under Breakthrough Therapy designation"
A breakthrough therapy designation is a regulatory fast-track given to a drug or treatment that shows early signs of providing a major improvement over existing options for a serious condition. Think of it as a VIP lane that can speed up development and more intensive guidance from regulators, which matters to investors because it can shorten time to market, reduce development risk and potentially increase a company’s value — though it does not guarantee approval.
505(b)(2) regulatory pathway regulatory
"support for pursuing overdose-protection labeling and the potential use of a streamlined 505(b)(2) regulatory pathway"
A 505(b)(2) regulatory pathway is a U.S. drug approval route that allows a company to use some existing safety and effectiveness data from earlier studies or other approved products instead of repeating every test. It speeds development and cuts costs compared with a full new-drug filing while still requiring new data for any changes. For investors, it can shorten time to market and reduce development risk—think of renovating a house using an existing foundation rather than building from scratch.
original issue discount financial
"interest expense associated with the amortization of the original issue discount and the debt issuance costs"
Original issue discount (OID) is the difference between a debt security’s face value and the lower price at which it is first sold, treated as additional interest that accrues over the life of the instrument. For investors it matters because OID raises the effective yield and changes taxable income and the holding’s cost basis over time — think of buying a $100 voucher for $90 and recognizing the $10 gain as earned interest as the voucher approaches maturity.
convertible notes financial
"debt issuance costs associated with convertible notes issued in 2023"
Convertible notes are a type of short-term loan that a company receives from investors, which can later be turned into company shares instead of being paid back in cash. They matter to investors because they offer a way to support a company early on while giving the potential to own a stake in its success if the company grows and later raises more funding.
Federal grants (FY 2025) $5,066,650
Net loss attributable to common stockholders (FY 2025) $10,175,700
Net loss per share (FY 2025, basic and diluted) $(3.98)
Cash and cash equivalents $4,310,354
false 0001716947 0001716947 2026-03-30 2026-03-30 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

 

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

 

 

FORM 8-K

 

 

 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): March 30, 2026 (March 30, 2026)

 

 

 

Ensysce Biosciences, Inc.

(Exact name of registrant as specified in its charter)

 

 

 

Delaware   001-38306   82-2755287

(State or other jurisdiction

of incorporation or organization)

 

(Commission

File Number)

 

(I.R.S. Employer

Identification Number)

 

7946 Ivanhoe Avenue, Suite 201

La Jolla, California

  92037
(Address of principal executive offices)   (Zip Code)

 

(858) 263-4196

Registrant’s telephone number, including area code

 

N/A

(Former name or former address, if changed since last report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation to the registrant under any of the following provisions:

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class   Trading Symbol(s)   Name of each exchange on which registered
Common Stock, par value $0.0001 per share   ENSC   The Nasdaq Stock Market LLC

 

Emerging growth company

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 

 

 

 

 

Item 2.02. Results of Operations and Financial Condition.

 

On March 30, 2026, Ensysce Biosciences, Inc. (the “Company”) issued a press release announcing its financial results for the fiscal quarter and year ended December 31, 2025. A copy of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K.

 

The information in this Item 2.02, including Exhibit 99.1 attached hereto, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor will they be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as will be expressly set forth by specific reference in such a filing.

 

Forward-Looking Statements

 

This report contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements may be made directly in this report. Some of the forward-looking statements can be identified by the use of forward-looking words. Statements that are not historical in nature, including the words “anticipate,” “expect,” “suggests,” “plan,” “believe,” “intend,” “estimates,” “targets,” “projects,” “should,” “could,” “would,” “may,” “will,” “forecast” and other similar expressions are intended to identify forward-looking statements. All forward-looking statements are based upon management estimates and forecasts and reflect the views, assumptions, expectations, and opinions of the Company as of the date of this report, and may include, without limitation, changes in general economic and political conditions, all of which are accordingly subject to change. Any such estimates, assumptions, expectations, forecasts, views or opinions set forth in this report constitute the Company’s judgments and should be regarded as indicative, preliminary and for illustrative purposes only. The forward-looking statements and projections contained in this report are subject to a number of factors, risks and uncertainties, some of which are not currently known to the Company, that may cause the Company’s actual results, performance or financial condition to be materially different from the expectations of future results, performance of financial condition. Although such forward-looking statements have been made in good faith and are based on assumptions that the Company believes to be reasonable, there is no assurance that the expected results will be achieved. The Company’s actual results may differ materially from the results discussed in forward-looking statements. Additional information on factors that may cause actual results and the Company’s performance to differ materially is included in the Company’s filings with the Securities and Exchange Commission (the “SEC”). Copies of such filings with the SEC are available publicly on the SEC’s website at www.sec.gov or may be obtained by contacting the Company. Readers are cautioned not to place undue reliance upon any forward-looking statements, which speak only as of the date made. These forward-looking statements are made only as of the date hereof, and the Company does not undertake any obligations to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

 

Item 9.01 Financial Statements and Exhibits.

 

(d) Exhibits.

 

 

 

 

Exhibit

Number

  Description
     
99.1   Press Release, dated March 30, 2026
     
104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

 

 

 

 

SIGNATURE

 

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Dated: March 30, 2026 Ensysce Biosciences, Inc.
     
  By: /s/ Lynn Kirkpatrick
  Name: Dr. Lynn Kirkpatrick
  Title: President and Chief Executive Officer
    (Principal Executive Officer)

 

 

 

 

Exhibit 99.1

 

Ensysce Biosciences Reports Fourth Quarter and Full Year 2025 Financial Results

 

~ Fourth Quarter Highlighted by Clinical and Regulatory Milestones Positioning PF614 for Late-Stage Advancement ~

 

SAN DIEGO, CA / March 30, 2026 / Ensysce Biosciences, Inc. (NASDAQ: ENSC) (“Ensysce” or the “Company”), a clinical-stage pharmaceutical company developing innovative solutions for novel therapeutics while reducing the potential for abuse and overdose, today reported financial and operational results for the fourth quarter and full year ended December 31, 2025.

 

“2025 was a year of meaningful progress for Ensysce, marked by significant clinical advancement, productive regulatory engagement, and continued strengthening of our intellectual property portfolio,” said Dr. Lynn Kirkpatrick, Chief Executive Officer of Ensysce Biosciences. “We initiated our Phase 3 trial for PF614 and had constructive dialogue with the FDA supporting our manufacturing pathway.”

 

Dr. Kirkpatrick continued, “Enrollment in the PF614-301 Phase 3 study has progressed rapidly, while PF614-MPAR remains on an accelerated development path under Breakthrough Therapy designation. In parallel, we have advanced commercial manufacturing readiness for PF614 and have generated additional data supporting overdose-protection labeling for our MPAR platform. Beyond our late-stage programs, we strengthened the long-term value of our technology platforms through expanded patent protection and pipeline growth, including the advancement of PF9001 for opioid use disorder (OUD) and leveraging our TAAP™ and MPAR® technologies for additional indications such as attention deficit hyperactivity disorder (ADHD).”

 

 

 

 

Program Updates

 

TAAPTM (Opioid Abuse Deterrent) Program Update

 

Ensysce’s lead drug candidate, PF614, is a Trypsin-Activated Abuse Protection (TAAPTM) extended-release oxycodone designed to deliver effective pain relief while incorporating built-in abuse protection. Through proprietary chemical modification of oxycodone, PF614 remains pharmacologically inactive until swallowed and exposed to trypsin in the small intestine, where it is activated to release oxycodone. This mechanism is designed to preserve therapeutic efficacy while significantly reducing the potential for tampering and abuse.

 

In December 2025, Ensysce announced the enrollment of the first patient in its pivotal Phase 3 clinical trial (PF614-301) evaluating PF614 for the treatment of moderate-to-severe post-surgical pain following abdominoplasty. The multicenter, randomized, double-blind, placebo-controlled study is designed to assess whether PF614 can deliver potent and consistent analgesia while leveraging its unique chemical design to mitigate the risk of opioid misuse. Clinical sites currently enrolling patients include CenExel JBR in Salt Lake City, Utah, and CenExcel Atlanta under experienced principal investigators in anesthesiology and pain medicine. Enrollment in PF614-301 represents a major milestone in Ensysce’s strategy to introduce a next generation of safer opioid medicines and advance PF614 toward regulatory submission and potential commercialization.

 

MPAR® (Opioid Abuse Deterrent and Overdose Protection) Program Update

 

PF614-MPAR combines Ensysce’s TAAP™ chemistry with its proprietary MPAR® (Multi-Pill Abuse Resistance) overdose-protection technology, designed to actively limit opioid release when multiple pills are consumed beyond prescribed doses. PF614-MPAR incorporates a trypsin inhibitor that automatically reduces opioid activation in overdose situations, effectively acting as a chemical “off-switch.” Clinical data from the PF614-MPAR-101 study demonstrated that the MPAR® technology functioned as designed, providing overdose protection at a 25 mg dose. These results supported the FDA’s Breakthrough Therapy designation granted in January 2024.

 

In November 2025, the FDA provided encouraging feedback regarding the development pathway for PF614-MPAR, including support for pursuing overdose-protection labeling and the potential use of a streamlined 505(b)(2) regulatory pathway, which could accelerate development and market entry. The FDA and Ensysce are collaborating on a framework to define and communicate the safety benefits of overdose-protection opioids, including development of a scientific whitepaper on overdose protection. This milestone, backed by multi-year grants from the National Institute on Drug Abuse (NIDA), marks a significant step toward transforming opioid safety and redefining pain management.

 

 

 

 

Opioid Use Disorder (OUD) Program Update

 

In addition to its pain management portfolio, Ensysce is developing treatments for opioid use disorder (OUD) designed to reduce cravings and relapse risk while maintaining patient safety and quality of life. The Company selected PF9001 as its lead OUD candidate and is evaluating the compound as a potential next-generation methadone alternative with built-in overdose protection, reduced cardiovascular risk and an oral delivery profile. This program was supported by a multi-year HEAL (Helping to End Addiction Long-Term) grant and in collaboration with NIDA.

 

Intellectual Property Expansion

 

In December 2025, the U.S. Patent and Trademark Office allowed a new patent covering Ensysce’s MPAR® technology, further strengthening the Company’s intellectual property protection through 2042. The patent, titled “Compositions Comprising Enzyme-Cleavable Prodrugs and Controlled Release Nafamostat and Methods of Use Thereof,” includes both composition-of-matter and method-of-use claims.

 

Ensysce is also exploring the application of MPAR technology beyond opioids, including potential programs in amphetamines for ADHD and methadone for OUD. In early January, Ensysce announced that the European patent office Provided Notice of Allowance in December 2025, for the issuance of a Patent ‘Compositions Comprising Enzyme-Cleavable Amphetamine Prodrugs and Inhibitors Thereof’ for PF8026 protected by the TAAP and MPAR technologies. These two issuances expand the potential reach of Ensysce’s platforms across multiple therapeutic areas where abuse and overdose risk remain significant clinical challenges.

 

Fourth Quarter and Full Year 2025 Financial Results

 

Cash - Cash and cash equivalents were $4.3 million as of December 31, 2025, compared to $3.5 million as of December 31, 2024. Cash used in operating activities totaled $7.8 million in 2025 compared to $7.5 million in 2024.

 

Federal Grants - Funding under federal grants totaled $1.9 million for the fourth quarter of 2025 compared to $1.3 million in the comparable year ago quarter. For the full year, funding from federal grants totaled $5.1 million in 2025, compared to $5.2 million in 2024. The differences are due to the timing of research activities eligible for funding under the OUD and MPAR grants, as decreases in funding under the OUD grant that ended in August 2024 were offset by increases in funding under the MPAR grant which began in September 2024.

 

Research & Development Expenses - R&D expenses were $3.6 million for the fourth quarter of 2025 compared to $3.8 million for the same period in 2024. Research and development expenses were $10.4 million for the year ended December 31, 2025, compared to $7.2 million for the year ended December 31, 2024, respectively, representing an increase of $3.2 million. The increase was primarily the result of external research and development costs related to increased clinical and pre-clinical programs for PF614 and PF614-MPAR.

 

 

 

 

General & Administrative Expenses - G&A expenses were $1.1 million in the fourth quarter of 2025, consistent with $1.1 million for the fourth quarter of 2024. For 2025, G&A expenses were $4.9 million, representing an increase of $0.2 million compared to $4.7 million for 2024.

 

Other Income (Expense) - Total other income (expense) was income of $13,856 for the fourth quarter of 2025 compared to income of $12,054 in the same period of 2024. For 2025, total other income (expense), net was income of $64,759 compared to expense of $1.3 million for 2024. Other income and expense for the year ended December 31, 2025, consisted primarily of interest income from cash and cash equivalents. Other income and expense for the year ended December 31, 2024, consisted primarily of interest expense associated with the amortization of the original issue discount and the debt issuance costs associated with convertible notes issued in 2023.

 

Net Income (Loss) - Net loss attributable to common stockholders for the fourth quarter of 2025 was $2.8 million compared to a net loss of $3.6 million for the fourth quarter of 2024. For 2025, net loss was $10.2 million compared to $8.0 million for 2024. As a clinical stage biotech company, our continued research and development efforts toward regulatory approvals for our product candidates are expected to result in losses for the foreseeable future.

 

About Ensysce Biosciences

 

Ensysce Biosciences is a clinical-stage pharmaceutical company dedicated to disrupting the analgesic landscape through the development of a new class of safer opioid medicines for the treatment of severe pain. Leveraging its proprietary Trypsin-Activated Abuse Protection (TAAP™) and Multi-Pill Abuse Resistance (MPAR®) platforms, Ensysce is advancing tamper-resistant therapeutic options designed to minimize the risk of opioid abuse and oral overdose while preserving strong analgesic efficacy. For more information, visit www.ensysce.com.

 

Definitions

 

TAAP™: trypsin activated abuse protection - designed to protect against prescription drug abuse.

 

MPAR®: multi-pill abuse resistance - designed to protect against abuse and accidental overdose.

 

 

 

 

Forward-Looking Statements

 

Statements contained in this press release that are not purely historical may be deemed to be forward-looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws. Without limiting the foregoing, the use of words such as “may,” “intends,” “can,” “might,” “will,” “expect,” “plan,” “possible,” “believe” and other similar expressions are intended to identify forward-looking statements. The product candidates discussed are in clinic and not approved and there can be no assurance that the clinical programs will be successful in demonstrating safety and/or efficacy, that Ensysce will not encounter problems or delays in clinical development, or that any product candidate will ever receive regulatory approval or be successfully commercialized. All forward-looking statements are based on estimates and assumptions by Ensysce’s management that, although Ensysce believes to be reasonable, are inherently uncertain. All forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those that Ensysce expected. In addition, Ensysce’s business is subject to additional risks and uncertainties, including among others, the initiation and conduct of preclinical studies and clinical trials; the timing and availability of data from preclinical studies and clinical trials; expectations for regulatory submissions and approvals; potential safety concerns related to, or efficacy of, Ensysce’s product candidates; the availability or commercial potential of product candidates; the ability of Ensysce to fund its continued operations, including its planned clinical trials; the dilutive effect of stock issuances from our fundraising; and Ensysce’s and its partners’ ability to perform under their license, collaboration and manufacturing arrangements. These statements are also subject to a number of material risks and uncertainties that are described in Ensysce’s most recent annual report on Form 10-K and current reports on Form 8-K, which are available, free of charge, at the SEC’s website at www.sec.gov. Any forward-looking statement speaks only as of the date on which it was made. Ensysce undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required under applicable law.

 

Ensysce Biosciences Company Contact:

 

Lynn Kirkpatrick, Ph.D.

Chief Executive Officer

(858) 263-4196

 

Ensysce Biosciences Investor Relations Contact:

 

Shannon Devine

MZ North America

Main: 203-741-8811

ENSC@mzgroup.us

 

 

 

 

Ensysce Biosciences, Inc.

Condensed Consolidated Statements of Operations

 

  

Three Months Ended

December 31,

  

Year Ended

December 31,

 
   2025   2024   2025   2024 
Federal grants  $1,882,336   $1,303,659   $5,066,650   $5,210,031 
Operating expenses:                    
Research and development   3,613,029    3,802,630    10,376,895    7,219,437 
General and administrative   1,051,132    1,077,505    4,930,701    4,720,728 
Total operating expenses   4,664,161    4,880,135    15,307,596    11,940,165 
Loss from operations   (2,781,825)   (3,576,476)   (10,240,946)   (6,730,134)
Total other income (expense), net   13,856    12,054    64,759    (1,256,875)
Net loss  $(2,767,969)  $(3,564,422)  $(10,176,187)  $(7,987,009)
Adjustments to net loss   321        487    (216)
Net loss attributable to common stockholders  $(2,767,648)  $(3,564,422)  $(10,175,700)  $(7,987,225)
Net loss per share attributable to common stockholders, basic and diluted   $ (0.75 )   $ (2.90 )   $ (3.98 )   $ (11.45 )

 

 

 

 

Ensysce Biosciences, Inc.

Condensed Consolidated Statements of Cash Flows

 

   Year Ended December 31, 
   2025   2024 
Net cash used in operating activities  $(7,806,292)  $(7,502,700)
Net cash used in investing activities   (123,643)    
Net cash provided by financing activities   8,738,212    9,881,173 
Change in cash and cash equivalents   808,277    2,378,473 
Cash and cash equivalents at beginning of period   3,502,077    1,123,604 
Cash and cash equivalents at end of period  $4,310,354   $3,502,077 

 

 

 

 

Ensysce Biosciences, Inc.

Condensed Consolidated Balance Sheets

(Unaudited)

 

   December 31,   December 31, 
   2025   2024 
Assets        
Current assets:          
Cash and cash equivalents  $4,310,354   $3,502,077 
Prepaid expenses and other current assets   2,932,114    1,842,605 
Total current assets   7,242,468    5,344,682 
Property and equipment, net and other assets   210,011    252,550 
Total assets  $7,452,479   $5,597,232 
           
Liabilities and stockholders’ equity          
Current liabilities:          
Accounts payable  $3,267,610   $1,357,079 
Accrued expenses and other liabilities   993,411    548,458 
Notes payable and accrued interest   306,708    301,660 
Total current liabilities   4,567,729    2,207,197 
Long-term liabilities       10,096 
Total liabilities   4,567,729    2,217,293 
Stockholders’ equity   2,884,750    3,379,939 
Total liabilities and stockholders’ equity  $7,452,479   $5,597,232 

 

 

 

FAQ

How did Ensysce Biosciences (ENSC) perform financially in 2025?

Ensysce reported a 2025 net loss attributable to common stockholders of $10.2 million. Federal grant funding totaled $5.1 million, while research and development expenses rose to $10.4 million and general and administrative costs were $4.9 million for the year.

What were Ensysce Biosciences’ cash and liquidity levels at year-end 2025?

At December 31, 2025, Ensysce held $4.3 million in cash and cash equivalents. During 2025, net cash used in operating activities was $7.8 million, partially offset by $8.7 million in net cash provided by financing activities, resulting in a modest increase in cash.

What clinical progress did Ensysce Biosciences (ENSC) report for PF614?

Ensysce initiated its pivotal Phase 3 trial PF614‑301 for PF614 in moderate-to-severe post‑surgical pain. The randomized, double‑blind, placebo‑controlled study is enrolling at multiple sites and is designed to assess analgesic efficacy while leveraging PF614’s built‑in opioid abuse‑deterrent mechanism.

What is PF614-MPAR and how is the FDA involved with Ensysce’s program?

PF614‑MPAR combines Ensysce’s TAAP™ chemistry with MPAR® overdose‑protection technology. The FDA granted Breakthrough Therapy designation and, in November 2025, provided supportive feedback on pursuing overdose‑protection labeling and a potential 505(b)(2) regulatory pathway for this candidate.

How is Ensysce Biosciences strengthening its intellectual property portfolio?

In December 2025, the U.S. Patent and Trademark Office allowed a new MPAR® patent providing protection through 2042. Additionally, the European Patent Office issued a notice of allowance for a TAAP™ and MPAR‑protected amphetamine prodrug patent, expanding platform coverage into ADHD and related indications.

What role do federal grants play in Ensysce Biosciences’ funding?

Federal grants contributed $5.1 million in 2025, similar to 2024 levels. Funding supports OUD and MPAR® programs under multi‑year NIDA and HEAL grants, helping offset R&D expenses while the company progresses clinical candidates without commercial product revenue.

Filing Exhibits & Attachments

4 documents
Ensysce Biosciences Inc

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