The clinical trials of CAR T‐cell therapy are growing fast in recent years, and most of the trials are initiated by sponsors from the United States and China. Exhibiting the distinctions between the clinical trials in the two countries is of great value for understanding the panorama of CAR T‐cell clinical trials and forecasting the future of this promising therapy. We analyzed the critical elements of 289 clinical trials posted on the http://clinicaltrials.gov website by sponsors from the two countries and evaluated the efficacy data in available 50 published CAR T‐cell studies. Our analysis shows that China has become the country with the largest number of CAR‐T cell clinical trials by the end of 2017, while overall subject sample size and study center numbers are still larger, and the design of the clinical trials is more cautious in the United States. There are obvious differences between the two countries in CAR‐targeted antigens in solid tumors and genetic modifications besides CARs for enhancing the potency of CAR T‐cells. Although the currently available response rates are promising in both countries, it is inexpedient to conclude that the clinical efficacy is comparable between the two countries considering the smaller patient sample sizes and discrete distribution of median cell doses in China. And finally, the flexible regulatory regime of cell therapy in China, which expedites the bursting of CAR T‐cell therapy, is also firstly introduced in our study.
Objective: Monogenic autoinflammatory diseases (AIDs) are inborn disorders caused by innate immunity dysregulation and characterized by robust autoinflammation. We aimed to present the phenotypes and genotypes of Chinese pediatric monogenic AID patients.
ObjectiveThis study aimed to assess the efficacy and safety of 2 Janus kinase (JAK) inhibitors (jakinibs) tofacitinib and ruxolitinib in the treatment of type I interferonopathies patients including STING-associated vasculopathy with onset in infancy (SAVI), Aicardi-Goutières syndrome (AGS), and spondyloenchondrodysplasia with immune dysregulation (SPENCD).MethodsA total of 6 patients were considered in this study: 2 patients with SAVI, 1 patient with AGS1, 1 patient with AGS7, and 2 patients with SPENCD. Clinical manifestations, laboratory investigations, radiology examinations, treatment, and outcomes were collected between November 2017 and November 2021 in Peking Union Medical College Hospital. The disease score for patients with SAVI and AGS scale for patients with AGS were documented. The expression of 6 interferon-stimulated genes (ISGs) was assessed by real-time PCR.ResultsThree patients (1 patient with SAVI, 2 patients with AGS) were treated with ruxolitinib and 3 patients (1 patient with SAVI, 2 patients with SPENCD) were treated with tofacitinib. The mean duration of the treatment was 2.5 years (1.25–4 years). Upon treatment, cutaneous lesions and febrile attacks subsided in all affected patients. Two patients discontinued the corticoid treatment. Two patients with SAVI showed an improvement in the disease scores (p < 0.05). The erythrocyte sedimentation rate normalized in 2 patients with AGS. The interferon score (IS) was remarkably decreased in 2 patients with SPENCD (p < 0.01). Catch-ups with growth and weight gain were observed in 3 and 2 patients, respectively. Lung lesions improved in 1 patient with SAVI and remained stable in 3 patients. Lymphopenia was found in 3 patients during the treatment without severe infections.ConclusionThe JAK inhibitors baricitinib and tofacitinib are promising therapeutic agents for patients with SAVI, AGS, and SPENCD, especially for the improvement of cutaneous lesions and febrile attacks. However, further cohort studies are needed to assess the efficacy and safety.
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