Krystal Biotech Advances Inhaled KB707 for Lung Cancer Treatment

Krystal Biotech Updates on KB707 Development Plans

Krystal Biotech, Inc. (NASDAQ: KRYS), a dynamic biotechnology firm, has exciting developments to share regarding its innovative KB707 program. This immunotherapy is designed to enhance localized expression of key proteins that support immune responses in tumor environments. The focus is now on inhaled KB707 as a potential treatment for non-small cell lung cancer (NSCLC), a pressing health challenge that needs effective new therapies.

Potential of Inhaled KB707

Based on encouraging results observed during preliminary studies, Krystal Biotech has received an End of Phase 2 meeting invitation with the U.S. Food and Drug Administration (FDA). This meeting aims to explore potential development pathways for the inhaled version of KB707. The company emphasizes the urgent necessity for new NSCLC treatments and the promising results obtained thus far with inhaled KB707.

Statements from Leadership

Suma Krishnan, the President of Research and Development at Krystal Biotech, acknowledges the immense unmet need for effective NSCLC treatments. She expressed optimism about the expected discussions with the FDA, highlighting the ongoing commitment to providing crucial therapeutic options to patients who desperately need them.

Clinical Evidence of Efficacy

During the 2025 American Society of Clinical Oncology Annual Meeting, the company shared compelling data supporting the prioritization of inhaled KB707. As of April 2025, in a cohort of patients heavily pre-treated for NSCLC, an objective response rate of 36% was recorded. Furthermore, patients demonstrated promising safety profiles, with no severe adverse events reported.

Details of Ongoing Studies

Enrollment continues for the KYANITE-1 study, a Phase 1/2 clinical trial evaluating inhaled KB707. This multi-center study is designed for patients with advanced or metastatic lung tumors. The detailed study information is available in the clinical trials database, providing transparency and insight into the company's rigorous research methodologies.

Changes in Clinical Focus

As Krystal Biotech gears up for inhaled KB707, enrollment in another study—OPAL-1, which focuses on intratumoral KB707—has been paused. This decision allows the company to concentrate resources and attention on the inhaled version while continuing to monitor patients involved in OPAL-1. Future adjustments in development plans for intratumoral KB707 will be made based on findings from this study.

About Krystal Biotech

Based in Pittsburgh, Pennsylvania, Krystal Biotech, Inc. (NASDAQ: KRYS) is at the forefront of genetic medicine development. They are dedicated to discovering and delivering innovative solutions for medical conditions with substantial unmet needs. Their flagship product, VYJUVEK, is recognized as the first-ever redosable gene therapy, indicating the company's pioneering work in the field.

Engagement with Investors

For those interested in learning more about Krystal Biotech or pursuing inquiries, the company welcomes outreach through their contact:

Stéphane Paquette, PhD
Krystal Biotech
spaquette@krystalbio.com

Frequently Asked Questions

What is KB707?

KB707 is a redosable immunotherapy developed by Krystal Biotech to treat malignancies like non-small cell lung cancer.

How does inhaled KB707 work?

This therapy is designed to enhance localized immune responses by increasing the local expression of interleukin-2 and interleukin-12 in tumor environments.

What are the results from current studies?

Recent studies show a 36% objective response rate in heavily pre-treated NSCLC patients, indicating potential efficacy.

Why was enrollment in OPAL-1 paused?

The company has prioritized inhaled KB707's development, necessitating a temporary pause in the OPAL-1 study.

How can patients learn more about ongoing studies?

Details about clinical trials are available in the clinical trials database, providing transparency into the research process.

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