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Oncolytics Biotech (Nasdaq: ONCY) secures FDA alignment on pivotal anal cancer study design

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

Rhea-AI Filing Summary

Oncolytics Biotech Inc. reported that a recent Type C meeting with the U.S. Food and Drug Administration resulted in alignment on the design of a pivotal randomized controlled study of pelareorep in patients with unresectable metastatic squamous cell carcinoma of the anal canal.

The planned single pivotal trial is expected to enroll patients whose disease has progressed after standard chemotherapy and checkpoint inhibitor treatment, a setting with no FDA-approved therapies. The study is being structured so accelerated approval and full approval could be pursued at different points using multiple endpoints.

Oncolytics highlighted prior data in second-line and later anal cancer, where pelareorep plus a checkpoint inhibitor showed a median response duration of 15.5 months versus 9.5 months and 12‑month survival of 82% versus 45.7% compared with current standard care. Pelareorep is also being developed in colorectal and pancreatic cancers, where it has FDA Fast Track designation.

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Insights

FDA alignment on a pivotal anal cancer study clarifies pelareorep’s potential registration pathway but does not change fundamentals yet.

Oncolytics secured FDA alignment via a Type C meeting on a randomized pivotal trial of pelareorep in unresectable metastatic squamous cell carcinoma of the anal canal. The design is intended to support both accelerated and full approval from a single study, using multiple clinical endpoints.

The target population comprises post-standard-of-care patients, where no FDA-approved options exist and recommended treatments are limited. Prior data combining pelareorep with a checkpoint inhibitor showed a median duration of response of 15.5 months versus 9.5 months and 82% versus 45.7% 12‑month survival against current standard care, supporting further evaluation.

Actual impact depends on the final protocol, execution of this pivotal trial, and broader development across gastrointestinal cancers, including colorectal and pancreatic indications where pelareorep holds FDA Fast Track designation. Subsequent company disclosures will need to outline enrollment plans, timelines, and key study endpoints.

Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Annual SCAC patients (US) More than 10,000 patients SCAC incidence in the United States
Median duration of response (pelareorep combo) 15.5 months Second-line and later SCAC vs standard of care
Median duration of response (standard of care) 9.5 months Comparator in recent SCAC study
12‑month survival (pelareorep combo) 82% Second-line and later SCAC study
12‑month survival (standard of care) 45.7% Comparator arm in recent SCAC study
Type C meeting regulatory
"a Type C meeting with the U.S. Food and Drug Administration (“FDA”) has resulted in alignment"
accelerated approval regulatory
"designed to potentially support both accelerated approval and full approval within the same study"
Accelerated approval is a process that allows new medical treatments to be approved more quickly than usual if they address serious or life-threatening conditions and show promising early results. For investors, it signals that a treatment may reach the market sooner, potentially boosting a company's prospects, but it also involves some uncertainty since full evidence of effectiveness is still being gathered.
Fast Track designation regulatory
"pelareorep has received Fast Track designation from the FDA for colorectal and pancreatic cancer"
A "fast track designation" is a process that speeds up the review and approval of a product or project, allowing it to reach the market or be completed more quickly than usual. For investors, it can signal that a product may become available sooner, potentially leading to earlier revenue or benefits, and indicating a priority status that might influence company performance and market opportunities.
metastatic squamous cell carcinoma of the anal canal medical
"unresectable metastatic squamous cell carcinoma of the anal canal (“SCAC”)"
checkpoint inhibitor medical
"In a recent study combining pelareorep with a checkpoint inhibitor in second-line and later SCAC"
A checkpoint inhibitor is a type of medicine that helps the immune system spot and attack cancer by blocking proteins that act like brakes on immune cells. For investors, these drugs matter because clinical trial results, regulatory approvals, safety profiles and market demand can quickly change a developer’s revenue and valuation; think of them as releasing the brakes on the immune system—potentially high reward but with safety and trial-risk consequences.
FALSE0001129928A000011299282026-01-082026-01-08

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): April 27, 2026
___________________________________
Oncolytics Biotech Inc.
(Exact name of registrant as specified in its charter)
___________________________________

Nevada
(State or other jurisdiction of
incorporation)
001-38512
(Commission File Number)
98-0541667
(IRS Employer Identification No.)
4350 Executive Drive, Suite 325
San Diego, CA 92121
92121
(Address of principal executive offices)
(Zip Code)
(403) 670-7377
(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 of 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 shares, no par value per share
ONCY
The Nasdaq Stock Market LLC



Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Exchange Act (§240.12b-2 of this chapter).
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 8.01. Other Events.
On April 27, 2026, Oncolytics Biotech, Inc. (the “Company”) issued a press release announcing alignment with the U.S. Food and Drug Administration on plans for a controlled randomized pivotal study in squamous cell carcinoma of the anal canal. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated into this Item 8.01 by reference.

Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.

Exhibit No.
Description
99.1
Press Release issued by Oncolytics Biotech, Inc., dated as of April 27, 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.

Date: April 27, 2026
ONCOLYTICS BIOTECH, INC.
By:
/s/ Kirk Look
Name:
Kirk Look
Title:
Chief Financial Officer





Oncolytics Aligns with FDA on Planned Pivotal Anal Cancer Study

Company to leverage strong durability and survival data in second-line and later metastatic squamous cell anal carcinoma

Pivotal study expected to focus on patients in a post-standard-of-care patient population with no FDA-approved therapies

SAN DIEGO, CA, April 27, 2026 – Oncolytics Biotech® Inc. (Nasdaq: ONCY) (“Oncolytics” or the “Company”), a clinical-stage immunotherapy company developing pelareorep, an investigational, systemically delivered immunotherapy that has been shown to activate innate immune-sensing pathways, today announced that a Type C meeting with the U.S. Food and Drug Administration (“FDA”) has resulted in alignment on the design of a pivotal clinical study to support approval of pelareorep in patients with unresectable metastatic squamous cell carcinoma of the anal canal (“SCAC”).

“We want to thank the FDA for its very clear guidance and helping us create an efficient pathway for pelareorep in a disease that is desperate for new treatments,” said Jared Kelly, Chief Executive Officer of Oncolytics. “While a single-arm study was possible in this setting, following a productive discussion with the FDA and in consideration of recent regulatory decisions regarding similar studies, we have aligned on a randomized controlled trial designed to potentially support both accelerated approval and full approval within the same study. This approach directly addresses relevant and rigorous evidentiary standards while allowing for approval based on multiple endpoint assessments.”

SCAC is a rare gastrointestinal malignancy affecting more than 10,000 patients annually in the United States. Patients whose disease progresses following first-line chemotherapy/checkpoint inhibitor treatment have no FDA-approved therapeutic options and limited National Comprehensive Cancer Network recommended treatments. In a recent study combining pelareorep with a checkpoint inhibitor in second-line and later SCAC, the combination achieved a median duration of response of 15.5 months versus 9.5 months and 12-month survival of 82% versus 45.7%, each measured against the current standard of care.1

“The post-first-line SCAC setting remains an area of significant unmet need,” said Dr. Van Morris, Associate Professor in the Department of Gastrointestinal Medical Oncology at The University of Texas MD Anderson Cancer Center in Houston, TX. “Pelareorep provides a strong rationale for evaluation in this population, and the study design represents a thoughtful and appropriate approach to advancing new options for these patients.”

The Company plans to incorporate FDA feedback into the final protocol, which is expected to be a single, randomized controlled trial for which accelerated approval and full approval could be applied at different points in time.

About Oncolytics Biotech Inc.
Oncolytics is a clinical-stage biotechnology company developing pelareorep, an investigational intravenously delivered double-stranded RNA immunotherapeutic agent. Pelareorep has demonstrated encouraging results in multiple first-line pancreatic cancer studies, two randomized Phase 2 studies in metastatic breast cancer, and early-phase studies in anal and colorectal cancer. It is designed to induce anti-cancer immune responses by converting immunologically “cold” tumors “hot” through the activation of innate and adaptive immune responses.




The Company is advancing pelareorep in combination with chemotherapy and/or checkpoint inhibitors in metastatic gastrointestinal cancers, where pelareorep has received Fast Track designation from the FDA for colorectal and pancreatic cancer. Oncolytics is actively pursuing strategic partnerships to accelerate development and maximize commercial impact. For more about Oncolytics, please visit: www.oncolyticsbiotech.com or follow the Company on social media on LinkedIn and on X @oncolytics.

Reference
1.Rao S, et al. A phase II study of retifanlimab (INCMGA00012) in patients with squamous carcinoma of the anal canal who have progressed following platinum-based chemotherapy (POD1UM-202). ESMO Open. 2022 Aug;7(4):100529

Forward-looking statements
This press release contains forward-looking statements, within the meaning of Section 21E of the U.S. Securities Exchange Act of 1934, as amended, and forward-looking information under applicable Canadian securities laws (such forward-looking statements and forward-looking information are collectively referred to herein as “forward-looking statements”). Forward-looking statements contained in this press release include statements regarding beliefs as to the potential, registration, mechanism of action and benefits of pelareorep as a cancer therapeutic; the Company’s goals, strategies, and objectives; expectations around the design, milestones, anticipated timelines and expected outcomes for current and future studies, and projected outcomes of the Company’s planned clinical study of pelareorep, including the potential for accelerated regulatory approval; its belief in the clinical promise of pelareorep in anal, colorectal, pancreatic and other gastrointestinal cancers; and the Company’s goals and expectations for its potential registrational development path for pelareorep in multiple gastrointestinal cancers. In any forward-looking statement in which Oncolytics expresses an expectation or belief as to future results, such expectations or beliefs are expressed in good faith and are believed to have a reasonable basis, but there can be no assurance that the statement or expectation or belief will be achieved. These statements involve known and unknown risks and uncertainties that may cause actual results to differ materially from those anticipated. These risks include, but are not limited to, regulatory outcomes, trial execution, financial resources, access to capital markets, and market dynamics. Please refer to Oncolytics’ public filings with securities regulators in the United States and Canada for more information. The Company assumes no obligation to update forward-looking statements, except as required by law.


Company Contact
Jon Patton
Director of IR & Communication
jpatton@oncolytics.ca


FAQ

What did Oncolytics Biotech (ONCY) agree on with the FDA in this 8-K?

Oncolytics Biotech reached alignment with the FDA on the design of a pivotal randomized controlled clinical study of pelareorep in unresectable metastatic squamous cell carcinoma of the anal canal. This single trial is intended to support both accelerated and full approval using multiple efficacy endpoints.

Which patient population will Oncolytics Biotech’s planned pelareorep trial target?

The pivotal study is expected to enroll patients with unresectable metastatic squamous cell carcinoma of the anal canal whose disease has progressed after first-line chemotherapy and checkpoint inhibitor therapy. These patients currently have no FDA-approved treatments and only limited guideline-recommended options available.

What prior pelareorep data in anal cancer does Oncolytics Biotech highlight?

Oncolytics cites a study where pelareorep plus a checkpoint inhibitor in second-line and later anal cancer achieved a median response duration of 15.5 months versus 9.5 months and 12‑month survival of 82% versus 45.7% compared with current standard-of-care therapy, supporting further pivotal evaluation.

How could the planned pelareorep anal cancer study support FDA approval for Oncolytics (ONCY)?

The company expects a single randomized controlled trial in anal cancer to be structured so accelerated approval and full approval could be applied for at different stages. The design uses multiple clinical endpoints to meet rigorous evidentiary standards within one pivotal development program.

What cancers is Oncolytics Biotech developing pelareorep for beyond anal cancer?

Oncolytics is advancing pelareorep in metastatic gastrointestinal cancers, including colorectal and pancreatic cancer, in combination with chemotherapy and checkpoint inhibitors. Pelareorep has shown encouraging results in pancreatic and metastatic breast cancer studies and holds FDA Fast Track designation in colorectal and pancreatic cancers.

How many patients are affected by squamous cell carcinoma of the anal canal in the U.S.?

Squamous cell carcinoma of the anal canal is described as a rare gastrointestinal malignancy affecting more than 10,000 patients annually in the United States. Patients progressing after first-line chemotherapy and checkpoint inhibitors face a significant unmet need with no current FDA-approved therapies.

Filing Exhibits & Attachments

4 documents