Houston, Texas--(Newsfile Corp. - June 22, 2026) - NeOnc Technologies Holdings (NASDAQ: NTHI) recently achieved what many biotechnology companies spend years attempting to secure: international regulatory validation for a novel therapeutic candidate before obtaining later-stage U.S. approvals.

The Department of Health - Abu Dhabi's Investigational New Drug (IND) authorization for NEO212 marks the first international regulatory clearance for the company's oral perillyl alcohol-temozolomide conjugate, opening an additional clinical development pathway for a therapy designed to treat aggressive brain cancers, including glioblastoma.

While the authorization does not guarantee future approvals in the United States or elsewhere, these types of international regulatory milestones are often closely monitored because they can provide additional validation, generate clinical data, and potentially strengthen future discussions with regulators such as the U.S. Food and Drug Administration (FDA).

The development has drawn attention because several recent therapies that first advanced through international regulatory pathways later benefited from expedited FDA review programs, including Fast Track, Priority Review, Accelerated Approval, or related mechanisms designed to accelerate therapies addressing significant unmet medical needs.

Lessons From Recent Global-to-FDA Success Stories

Several recent examples illustrate how international regulatory momentum can sometimes contribute to broader commercial and regulatory success.

Among the most notable is Leqembi, the Alzheimer's therapy developed by Eisai and Biogen. Initially viewed by some market observers as a challenging commercial launch due to reimbursement limitations, diagnostic bottlenecks, and administration complexities, Leqembi has since emerged as one of biotechnology's more significant recent success stories. Global sales exceeded approximately $550 million during fiscal 2025 and are projected to approach $900 million during fiscal 2026, positioning the therapy on a potential path toward blockbuster status.

Another frequently cited example is Jaypirca, Eli Lilly's cancer therapy, which generated approximately $337 million in sales during 2024 and continues to expand through additional indications and physician adoption.

Additional examples include:

• Skyclarys, which achieved meaningful commercial success within a rare disease population despite a relatively small addressable market.
• Krazati, which has achieved moderate commercial traction while competing in a highly competitive oncology landscape.
• Qalsody, which has delivered important clinical benefits despite serving a very limited patient population and therefore generating more modest commercial results.

Taken together, these examples demonstrate that international regulatory progress can sometimes serve as an early indicator of broader development momentum. However, they also illustrate an important reality: regulatory approvals alone do not guarantee commercial success. Clinical efficacy, physician adoption, reimbursement coverage, competitive positioning, manufacturing execution, and market access all remain critical determinants of long-term performance.

Why Abu Dhabi May Matter for NEO212

For NeOnc, the Abu Dhabi authorization arrives at a strategically important time.

The company recently completed its Phase 1 dose-escalation study and identified 610 mg as the recommended Phase 2 dose. Management has also indicated plans for a Type B End-of-Phase 1 meeting with the FDA to discuss future development plans and potential registrational pathways.

The Abu Dhabi authorization could provide several potential advantages:

• Additional opportunities to generate clinical data.
• Expanded physician and investigator engagement.
• Validation from an independent regulatory authority.
• Potential acceleration of global development timelines.
• Enhanced visibility among potential strategic partners.

In neuro-oncology, where patient populations are often limited and clinical development can be challenging, parallel regulatory pathways may provide valuable flexibility as companies seek to advance programs efficiently.

Addressing One of Oncology's Most Difficult Markets

Investor interest in NeOnc largely centers on its efforts to address the blood-brain barrier, one of the most significant obstacles in brain cancer treatment.

Many cancer therapies demonstrate promising laboratory activity but fail to achieve meaningful concentrations within brain tumors. NeOnc's technology platform is specifically designed to improve delivery to the central nervous system, a capability that, if successfully demonstrated in larger studies, could represent a meaningful advancement in neuro-oncology.

NEO212 combines temozolomide, the current standard chemotherapy used in glioblastoma treatment, with NeOnc's proprietary perillyl alcohol platform. Company disclosures and prior presentations have suggested the potential for significantly greater brain exposure compared with temozolomide alone, though larger clinical studies will ultimately determine whether those pharmacologic advantages translate into improved patient outcomes.

Important Regulatory Hurdles Still Remain

Despite the positive implications of the Abu Dhabi authorization, investors should recognize that NEO212 remains a development-stage therapy.

The program has not yet received FDA approval, and several significant milestones remain ahead, including:

• Completion of additional clinical studies.
• FDA review of future development plans.
• Potential Phase 2 and later-stage efficacy evaluations.
• Safety validation in larger patient populations.
• Potential registrational studies, if required.
• Future manufacturing and commercialization considerations.

Historically, many oncology therapies that showed promise in early development failed to achieve later-stage clinical endpoints or regulatory approval. As a result, while the Abu Dhabi IND authorization may reduce certain development risks and strengthen NeOnc's global positioning, it should not be interpreted as a predictor of ultimate FDA approval or commercial success.

A Potentially Important Catalyst in a Broader Development Story

For biotechnology investors, the Abu Dhabi authorization may be most significant as part of a larger sequence of milestones rather than as a standalone event.

The company now has an international regulatory pathway, an FDA engagement strategy, a completed Phase 1 program, ongoing advancement of NEO100, growing institutional visibility, and increasing management participation through insider stock purchases.

Whether NEO212 ultimately follows the path of therapies such as Leqembi, Jaypirca, Skyclarys, Krazati, or Qalsody will depend on future clinical results, regulatory outcomes, competitive dynamics, and execution over the coming years.

What appears increasingly clear is that the Abu Dhabi authorization represents more than a routine regulatory filing. It may provide NeOnc with an additional avenue to generate clinical evidence and pursue global development opportunities as the company works toward what remains the most important objective: demonstrating meaningful benefits for patients facing some of the most difficult cancers in medicine.

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Cautionary Note Regarding Forward-Looking Statements

This press release contains forward-looking statements that are subject to various risks and uncertainties. Such statements include statements regarding the Company's ability to grow its business and other statements that are not historical facts, including statements which may be accompanied by the words "intends," "may," "will," "plans," "expects," "anticipates," "projects," "predicts," "estimates," "aims," "believes," "hopes," "potential" or similar words. Actual results could differ materially from those described in these forward-looking statements due to a number of factors, including without limitation, the Company's ability to continue as a going concern, general economic conditions, and other risk factors detailed in the Company's filings with the SEC. The forward-looking statements contained in this press release are made as of the date of this press release, and the Company does not undertake any responsibility to update such forward-looking statements except in accordance with applicable law.

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