The 3D printing template for SNM can help us to perform accurate and quick punctures into the target sacral foramina, reduce X-ray exposure, and shorten the operation time. For patients with obesity, sacral variation, sacral bone fractures or losses and for patients who are unable to tolerate the prone position during operation, use of the 3D printing template is recommended.
Androgenetic alopecia (AGA) is a common cause of hair loss in adults. We aimed to compare the efficacy and safety of topical generic 5% new minoxidil foam (NMF) versus 5% minoxidil Rogaine® foam in male patients with AGA. A randomized, double-blind, controlled, phase III, equivalence trial in 10 centers in China between December 25, 2019, and June 28, 2021, was performed. In total, 417 men patients (≥18 years) with AGA were randomized to receive 5% NMF (211 patients) or 5% Rogaine® foam (206 patients) 1 g two times daily for 24 weeks. The primary outcome was the changes in nonvellus target area hair counts (TAHC) from baseline to week 24. Equivalence was concluded if the 95% confidence interval (CI) for the treatment difference between the 5% NMF and Rogaine® groups was within (−8.00, 8.00). After 24 weeks of treatment, the mean difference in the change of nonvellus TAHC between the 5% NMF group and the Rogaine® group was −3.85 ± 1.62 hair/cm2 in full-analysis set (FAS) and −3.96 ± 1.68 hair/cm2 in per-protocol set (PPS), and the 95% CI of mean difference was (−7.03, −0.67) in FAS and (−7.26, −0.66) in PPS. No significant differences were found between the two groups in hair diameter, the ratio of terminal hair to vellus hair, the global photographic assessment by investigators, and adverse events (all P > 0.05). 5% NMF is as effective as Rogaine® in increasing hair density and hair diameter in AGA patients and was found to be safe. This trial is registered with CTR20191708.
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