Number of CAR cell therapy trials worldwide

by Alexey Bersenev on February 10, 2017 · 3 comments

in Uncategorized

CAR (Chimeric Antigen Receptor)-based cell clinical trials is one of the hottest areas in cell therapy right now. Today, I’d like to share with you a trend for total number of CAR cell trials, registered worldwide. Importantly, I made figures available for free download on FigShare. You can get it in high resolution and use it for your presentations!

10 International public databases (including NCT, EudraCT, UMIN, ChiTCR, ANZCTR…) were screened to identify CAR clinical trials, registered in any period of time until December 31 of 2016. At least 10 combinations of key words were used in search queries (including “cell”, “CAR cell”, “chimeric antigen”, “T cell”, “T cell gene modified”…). Only CAR genetic modification of cells was included. At least 23 parameters were captured manually, if information was available. Validity of captured data was verified by second researcher ( Overlaps between databases were excluded from analysis. Statistical information was analyzed in MS Exel.

252 unique trials were identified from 2004 to the end of 2016. 11 overlaps between registries were found. The first CAR trial was registered in 2004. 245/252 (97%) of CAR cell trials involved T-cells. In 2016 alone was registered 116 CAR cell trials. About 75% of all registered trials are currently listed as active. 2 listings from 2015 and 5 listings from 2016 were identified as “follow-up studies”, but not actual trials. However, for completeness of the CAR cell data, these listings were also included in dataset and statistical analysis below.

1. A trend for total number of trials, registered year-to-year (not cumulative data), starting from 2007 (click to enlarge):

FigShare link
How to cite: Bersenev, Alexey (2017): Total number of CAR cell therapy trials listed in databases. figshare.
DOI: 10.6084/m9.figshare.4628557

2. Phases of registered CAR cell trials (click to enlarge):

CAR trials trend 2
FigShare link
How to cite: Bersenev, Alexey (2017): Phases of CAR cell therapy trials registered worldwide. figshare.
DOI: 10.6084/m9.figshare.4640302

Please feel free to download figures, share, embed and cite!
Access raw CAR cell trials data to make your own graphs!

{ 3 comments… read them below or add one }

Mark Wesson February 10, 2017 at 11:05 am

Very nice summary of the available data, thank you for putting it together! CAR-T seems to be a promising therapeutic strategy and I look forward to monitoring the progress.


Yevgeny Berdichevsly February 15, 2017 at 10:11 am

Excellent and very helpful and informative data. Thank you very much.


Frances Verter April 8, 2017 at 2:01 pm

The Feb 13 post on this blog showed that nearly three quarters of the world’s CAR cell therapy is in China, yet this post shows only one approved product in China. Can any one comment on what it is about their regulatory system that creates such a disparity between ongoing research and approved products?


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