Pyrilutamide Hair

This piece delves into the study and clinical testing of Pyrilutamide Hair (KX-826), a promising treatment for androgenetic alopecia and acne vulgaris. As a topically applied pharmaceutical, Pyrilutamide seeks to combat these conditions directly at the androgen receptor level. Spearheading the research and production of Pyrilutamide is Kintor Pharmaceutical, a clinical-stage drug company focusing on pioneering small molecule therapeutics for cancer and other diseases related to the androgen receptor.

The US Phase I trial of GT20029, a drug candidate that includes Pyrilutamide, displayed promising safety and tolerability results. This piece offers a comprehensive look into the clinical trial outcomes from Kintor in both the US and China and a glimpse into ongoing trials concerning female androgenetic alopecia. It also sheds light on the company's future development strategies.

Pyrilutamide Hair

Clinical Trials for Pyrilutamide Hair in Androgenetic Alopecia

Promising outcomes have been observed in clinical trials of pyrilutamide for androgenetic alopecia. The phase II clinical trial in the US revealed encouraging efficacy and safety. The trial included 123 male subjects with moderate symptoms of androgenetic alopecia. Pyrilutamide was administered in three different doses, with the 0.5% concentration applied twice daily, showing the most significant hair growth improvements. Importantly, no serious adverse events were reported.

The phase II clinical trial conducted in China for male androgenetic alopecia is equally noteworthy. The trial involved 120 Chinese men with moderate hair loss symptoms. As in the US study, the 0.5% concentration of pyrilutamide applied twice daily yielded the best outcomes. Yet, the Chinese trial revealed more than double the hair growth improvement compared to the US trial. The cause of this discrepancy remains unknown.

Despite the difference, both the US and Chinese trials were deemed successful. Based on these positive findings, Kintor, the sponsoring company, has decided to move forward with phase III trials in both countries.

Comparison of Results: Kintor's US and China Phase II Trials

The results from Kintor's Phase II trials of pyrilutamide, conducted in the US and China, have sparked curiosity due to the significant difference in hair growth improvement. The Chinese trial showed a more than twofold increase compared to the US trial. Several underlying factors might explain this variation in results:

  • Genetic differences: The genetic constitution of the participants in China and the US may have affected the response to the pyrilutamide treatment.
  • Environmental influences: Changes in diet, lifestyle, and pollution levels between the US and China could have impacted the trial outcomes.
  • Trial design: The disparity in trial setup, including the duration of treatment, medication schedules, and eligibility criteria, could have altered the results.
  • Participant count: The varying number of participants in the US and China trials might have affected the precision and statistical significance of the results.

Unraveling the exact reasons behind the outcomes observed in the two trials calls for more comprehensive analysis and exploration.

Promising Results: Kintor's Phase II Trial for Female Androgenetic Alopecia

Kintor Pharmaceutical's second phase trial for female androgenetic alopecia has yielded encouraging outcomes. The experiment included 160 females experiencing moderate to severe hair loss symptoms. The evaluation was conducted on four different treatment groups. The group treated with a daily application of 0.5% pyrilutamide showed the most significant hair growth improvement.

Following 24 weeks of treatment, 11.39 hairs per cm² rose from the starting point in hair count. These outcomes hint at the effectiveness of pyrilutamide for treating female pattern hair loss. If approved, pyrilutamide could make a substantial difference in the market for treating androgenetic alopecia. This is because it caters to a significant clinical need for both genders.

Further studies and a third-phase trial will be conducted to confirm these findings and determine the best dosing regimen for female patients.

Frequently Asked Questions

What Is the Recommended Dosing for Pyrilutamide Hair in the US and China Phase II Trials for Androgenetic Alopecia?

The specific dosage of Pyrilutamide Hair for phase II trials in the US and China for treating androgenetic alopecia has not been clearly stated in the available information. A comprehensive understanding of the dosage and a comparative study of its effectiveness is essential.

Are There Significant Differences in the Safety Profile of Pyrilutamide Hair Between the US and China Phase II Trials?

Currently, no concrete data suggests notable discrepancies in the safety profile of Pyrilutamide Hair when comparing phase II trials conducted in the US and China. It's essential to note that information from upcoming phase III trials could potentially offer a broader perspective on this topic.

How Many Participants Were Involved in Kintor's Phase II Trial for Female Androgenetic Alopecia?

Kintor conducted a phase II trial for female androgenetic alopecia with 160 participants. The trial was structured into four treatment categories, with the daily use of 0.5% pyrilutamide being the most effective in promoting hair growth.

What Were the Best Improvements in Hair Growth Observed in Kintor's Phase II Trial for Female Androgenetic Alopecia?

Kintor's Phase II trial conducted a study on female androgenetic alopecia and the effectiveness of 0.5% pyrilutamide in treating it. The most impressive results were seen with daily use of this treatment. After 24 weeks of consistent application, there was a noticeable increase in hair density, with 11.39 more hairs per square centimeter than at the start of the trial.

Will Kintor Proceed With Phase III Trials for Pyrilutamide in Treating Female Androgenetic Alopecia?

Kintor Pharmaceutical is progressing with phase III trials for pyrilutamide, a potential treatment for female androgenetic alopecia. These trials aim to assess the effectiveness, safety, and any possible side effects of the drug for patients suffering from this condition.


Kintor Pharma Announces Dosing of First Patient in Phase II Clinical Trial of KX-826 for the Treatment of Androgenic Alopecia Female Patients in China


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Medically reviewed and fact checked by 
Dr. Dorina Soltesz, MD

Dr. Dorina Soltesz ABHRS
Hair restoration expert, American Board of Hair Restoration Surgery (ABHRS) certified hair transplant surgeon.

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