2023-10-25| Trials & Approvals

The First and Only FDA-approved Drug for Chronic Digestive Diseases by Celltrion USA

by Sinead Huang
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The U.S. Food and Drug Administration (FDA) has granted approval to ZYMFENTRA™ (infliximab-dyyb) for maintenance therapy in adults with moderately to severely active ulcerative colitis and Crohn’s disease following intravenous infliximab treatment. This marks a significant development in the field of healthcare, offering an innovative solution to address these chronic digestive diseases. Celltrion USA, the company behind ZYMFENTRA, submitted a Biologics License Application (BLA) under the 351(a) pathway of the Public Health Service Act, leading to the FDA’s approval based on pivotal data from phase III studies.

Related article: Scientists Unlocked the Secret of Genetic Impact of Time-restricted Eating in Mice

Clinical Research Backs ZYMFENTRA’s Approval

The approval of ZYMFENTRA is supported by clinical research, notably the LIBERTY-UC and LIBERTY-CD studies. These studies evaluated the efficacy and safety of ZYMFENTRA as a maintenance therapy in patients with moderately to severely active UC and CD, following induction therapy with intravenous infliximab.

ZYMFENTRA displayed superior performance in primary endpoints of clinical remission and endoscopic response. Specifically, it demonstrated clinical remission rates of 43.2% in UC and 62.3% in CD, compared to 20.8% and 32.1%, respectively, in the placebo group. Furthermore, the endoscopic response rate was 51.1% in CD for ZYMFENTRA, significantly higher than the 17.9% in the placebo group. Safety data revealed that ZYMFENTRA had a profile similar to that of placebo during the maintenance period, with no new safety signals observed.

ZYMFENTRA Approval Marks a Turning Point for Crohn’s and Colitis Patients

Chronic digestive diseases, including Crohn’s disease and ulcerative colitis, impose substantial challenges on patients, affecting their overall quality of life. Celltrion USA’s ZYMFENTRA emerges as a promising solution, offering a convenient and effective treatment option. What sets ZYMFENTRA apart is its innovative approach to administration, which grants patients greater autonomy in deciding when and where they receive their treatment. This novel method of delivery represents a significant advancement in the management of these conditions and demonstrates the commitment to enhancing the lives of those afflicted.

The approval of ZYMFENTRA represents a vital milestone in addressing the unmet needs of patients, particularly those who grapple with the daily burdens imposed by these diseases. By providing a versatile and patient-centric solution, ZYMFENTRA aims to improve the overall healthcare experience for individuals with Crohn’s disease and ulcerative colitis.

Future of ZYMFENTRA and Patient Safety

ZYMFENTRA is expected to remain under patent protection until 2037 for its dosage form and route of administration, ensuring the availability of this innovative treatment. However, patients and healthcare providers should remain vigilant about its use. 

The FDA-approved medication is not suitable for children under 18 years of age. Additionally, there are some important safety considerations. Patients treated with ZYMFENTRA are at a higher risk of developing serious infections, which can lead to hospitalization or death. Serious infections may involve various organ systems and sites, including active tuberculosis and invasive fungal infections. Close monitoring and consultation with healthcare professionals are essential to ensure patient safety.

In conclusion, ZYMFENTRA’s FDA approval marks a significant milestone in the management of chronic digestive diseases, offering patients a novel and more convenient treatment option. Patients and healthcare providers should engage in informed decision-making when considering ZYMFENTRA as a treatment option for moderately to severely active Crohn’s disease and ulcerative colitis.

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