--- title: "" type: "News" locale: "en" url: "https://longbridge.com/en/news/284053908.md" description: "The FDA has granted Compass Pathways a rolling review for its New Drug Application (NDA) for COMP360, a psychedelic therapy for treatment-resistant depression (TRD). This designation could expedite the review process to one to two months post-filing. Compass has reported positive results from two Phase 3 trials involving over 1,000 participants, indicating significant effects and manageable safety profiles. The decision reflects a growing regulatory interest in innovative treatments for mental health disorders, particularly for patients with limited options. The next step involves completing the NDA under the rolling review framework, with approval contingent on clinical evidence and product quality." datetime: "2026-04-24T20:14:58.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/284053908.md) - [en](https://longbridge.com/en/news/284053908.md) - [zh-HK](https://longbridge.com/zh-HK/news/284053908.md) --- # The FDA has granted Compass Pathways with a rolling review for a New Drug Application (NDA) for its investigational psychedelic therapy, COMP360, in treatment-resistant depression (TRD), while also awarding the NDA with a (CNPV). The designation could shorten the review of COMP360, a psilocybin candidate, to one to two months after filing, according to the company, while leaving evidentiary standards unchanged.1 The decision reflects growing regulatory attention to novel approaches in TRD, in which existing therapies often fall short for patients who have not responded to multiple prior treatments. “As the most advanced company in the classic psychedelics field, Compass has generated positive data from two large, well controlled Phase 3 clinical trials,” said Kabir Nath, Compass CEO, in a press release. “Based on the strength of our data, the FDA granted us a rolling NDA submission and review. Importantly, while the CNPV may provide process efficiencies and accelerated review timelines, an NDA submission must still meet FDA’s established standards of clinical evidence, scientific rigor, and regulatory compliance. We are confident we meet these standards.”1 The update places a late-stage psychedelic-based depression program closer to a possible FDA approval in a market where patients with inadequate response to standard antidepressants have limited options. It also signals that federal regulators may be willing to use expedited administrative tools for selected neuropsychiatric programs. Rolling review allows sections of an NDA to be submitted and reviewed as they are completed rather than waiting for the full dossier.1 According to the FDA, the CNPV does not alter the regulatory bar for approval. That distinction is important for drug developers and investors assessing timelines. Administrative acceleration can reduce uncertainty around review mechanics, but it does not resolve questions about clinical effect size, durability, safety monitoring, manufacturing readiness, or labeling scope. ## How does Phase 3 COMP360 data affect the biopharma treatment-resistant depression landscape? According to the announcement, COMP360, a proprietary synthetic psilocybin formulation, has produced positive results in two Phase 3 studies involving more than 1,000 participants with TRD. The company described the studies as large and well controlled, adding that the program showed highly statistically significant findings with a clinically meaningful effect.1 The company said effects may emerge within one day after administration and may last at least six months in patients achieving a clinically meaningful response after one or two doses, according to Compass. In terms of safety, the company reported that most treatment-emergent adverse events were mild or moderate and most resolved within 24 hours. ## Why is treatment-resistant depression a significant pharmaceutical market and public health target? Today’s regulatory action follows a aiming to accelerate research and regulatory review of psychedelic therapies for mental health conditions.2 The decision signaled a potential shift in how emerging treatments for disorders such as post-traumatic stress disorder, anxiety, and depression are evaluated in the United States.2 “Today’s order will ensure that people suffering from debilitating symptoms might finally have a chance to reclaim their lives and lead a happier life,” Trump said on Monday.2 The announcement also reflects growing interest in psychedelic-based therapeutics across the biopharmaceutical sector, where several companies are advancing clinical programs targeting mental health disorders that have historically been difficult to treat. Although early- and mid-stage data have shown promise, regulatory pathways remain uncertain, and questions around long-term safety, durability of effect, and appropriate clinical frameworks continue to shape the field. Depression remains one of the leading causes of disability worldwide, and the subset of patients with treatment-resistant illness carries disproportionate clinical and economic burden.3 Compass cited an estimate of about 4 million people in the United States living with TRD among those with major depressive disorder.1 It also noted higher rates of residual symptoms, comorbidities, mortality, and suicide risk compared with nonresistant major depressive disorder. Existing options for TRD may include augmentation strategies, neuromodulation, or supervised administration models, each with operational and reimbursement implications. A new entrant with a differentiated administration paradigm could influence site-of-care planning, provider training, and payer evidence demands. “Patients with TRD often endure years of persistent suffering with limited options, and the need for meaningful innovation for these patients has never been more urgent. We are well advanced in our commercial preparations and the CNPV could further accelerate momentum toward bringing our transformative treatment, if approved, to patients who have been waiting far too long,” Nath said. ## What are the main limitations, regulatory questions, and next steps for psilocybin drug development? The principal next step is completion and filing of the NDA under the rolling review framework. Even with a shortened post-filing review clock, approval will depend on the agency's assessment of clinical evidence, product quality, and overall benefit-risk. Additional unanswered questions include the practical structure of administration, monitoring requirements, scalability across treatment settings, and payer response if approved. **Sources** 1. Compass Pathways Announces FDA Granted NDA Rolling Review Request and Awarded Commissioner's National Priority Voucher. Business Wire. April 24, 2026. Accessed April 24, 2026. 2. Accelerating Medical Treatments For Serious Mental Illness _The White House._ April 18, 2026 3. World Health Organization. Depression. World Health Organization. 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