This study found that liquid nitrogen cryotherapy resulted in good responses in 33% of patients with recalcitrant alopecia areata, although nearly 30% showed no response.
November 2022 in “Pakistan Armed Forces Medical Journal” This study found that topical liquid nitrogen improved pain tolerance during intradermal platelet-rich plasma therapy in androgenic alopecia compared to normal saline, although patient satisfaction did not significantly differ between groups.
November 2025 in “The Journal of Medical Sciences” This article reviews the potential and limitations of cryotherapy for alopecia areata in middle-aged patients and highlights the need for further research, without reporting new clinical findings.
March 2018 in “International journal of basic and clinical pharmacology” This study found that while the carboplatin-paclitaxel regimen for advanced lung cancer is more affordable than newer treatments and maintains a good performance status, it significantly increases risks of alopecia and peripheral neuropathy.
March 2022 in “Nepal Journal of Dermatology Venereology & Leprology” In this prospective clinical trial, azathioprine with steroid minipulse therapy and methotrexate with steroid minipulse therapy both improved hair regrowth in alopecia areata patients, but methotrexate showed slightly higher efficacy.