Clinical Trial Services

The NGVB provides a number of tests to assist eligible investigators with meeting FDA requirements for clinical gene therapy. If you know which type of testing service you'd like to request:

Request Testing Services

For a more detailed description of available tests click on the appropriate box below:

Replication Competent Virus Testing

The NGVB provides cell based assays for screening vector products, transduced cell products, and post-trial monitoring for replication competent viruses.

PCR Testing

Quantitative PCR assays for vector copy number and viral detection are available, including testing for the VSV-G, GALV, Baboon Endogenous Virus, Cocal Virus, Amphotropic 4070A, and RD114 envelope DNA.

Insertion Site Analysis

PCR, next-generation sequencing, and bioinformatics analysis are available to eligible investigators

PERT Assay

PERT assays for detection of reverse transcriptase is available.


The p24 ELISA assay facilitates estimation of lentiviral particle number.


For investigators conducting gene therapy research who requires FDA mandated testing, the NGVB has a number of other tests available at reduced rates.

For questions please contact the NGVB Manager:

NGVB Manager
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