Vicore Pharma Initiates Phase IIb Trial for Buloxibutid in IPF Patients

Vicore Pharma Initiates Phase IIb Trial for Buloxibutid in IPF Patients

Alexandra Díaz
2 min read

Vicore Pharma to Initiate Phase IIb ASPIRE Trial for Buloxibutid in IPF Patients

Vicore Pharma has announced its plans to commence a Phase IIb trial of its drug candidate, buloxibutid, in idiopathic pulmonary fibrosis (IPF) patients in the first half of 2024. This follows the positive results obtained in the Phase IIa trial, where buloxibutid demonstrated a significant improvement in lung function and was well-tolerated by patients.

Key Takeaways

  • Phase IIa trial of Vicore Pharma's buloxibutid in IPF patients yielded positive results
  • Buloxibutid exhibited a marked improvement in lung function from baseline, with an increase of over 200mL, and was deemed safe and well-tolerated
  • Vicore Pharma is set to embark on the Phase IIb ASPIRE trial for buloxibutid in the first half of 2024 to further assess its potential for IPF treatment
  • Current IPF market leaders, Ofev and Esbriet, effectively slow down disease progression but do not enhance prognosis
  • Anticipated market growth to $4 billion by 2028, with new players like FibroGen and United Therapeutics potentially impacting the IPF market


The encouraging outcomes of Vicore Pharma's Phase IIa trial for buloxibutid in IPF patients could potentially disrupt the current market landscape, where Ofev and Esbriet currently dominate. As the drug candidate progresses into the Phase IIb ASPIRE trial in the first half of 2024, there is a possibility of improving lung function and offering better prognoses for patients. This advancement may exert pressure on existing market leaders and attract new entrants such as FibroGen and United Therapeutics, potentially intensifying competition within the IPF market. With the IPF market projected to reach $4 billion by 2028, stakeholders, including investors, pharmaceutical companies, and IPF patients, are advised to closely monitor the developments at Vicore Pharma. While increased competition may drive innovation, it could also lead to market consolidation or price fluctuations.

Did You Know?

  • Buloxibutid: A drug candidate developed by Vicore Pharma for the treatment of idiopathic pulmonary fibrosis (IPF). The recent Phase IIa trial demonstrated significant improvements in lung function and high patient tolerance.
  • Idiopathic Pulmonary Fibrosis (IPF): A progressive and chronic lung disease characterized by scarring and thickening of lung tissue, leading to breathing difficulties. The exact cause of IPF remains unknown, hence the term "idiopathic."
  • Phase IIb trial: The stage of a clinical trial involving a larger group of patients (typically hundreds) to further evaluate the drug candidate's efficacy, safety, and optimal dosage. Vicore Pharma will be testing buloxibutid in IPF patients during the first half of 2024.
  • Market leaders Ofev and Esbriet: Both drugs, manufactured by Boehringer Ingelheim (Ofev) and Roche (Esbriet), are the current leading treatment options for IPF. They effectively slow down disease progression but do not significantly improve the patient's prognosis.
  • New entrants FibroGen and United Therapeutics: Expected to tap into the IPF market, these companies have promising products in their pipelines—pamrevlumab from FibroGen and tyvaso from United Therapeutics—that have shown positive results in clinical trials.
  • Predicted growth to $4 billion by 2028: Significant market expansion is anticipated in the next few years. The increasing prevalence of IPF, advancements in treatment options, and greater awareness of the disease are contributing factors to this growth.

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