There are 3 studies that match your criteria.
Criteria: Freq Range=300 kHz - 300 GHz (RF/mmW/THz),Study Type=In Vivo,Study Subtype=Blood Brain Barrier, Brain Circulation,Status=Ongoing

Details - Project ID 1141
Lab	Battelle/Pacific NW Research Labs, USA
Study Design	900 MHz (GSM) exposure to rats and analysis of blood brain barrier permeability
Summary	(ongoing)
Citation
Details - Project ID 1157
Lab	Inst. of Med. and Vet. Sci., Australia
Study Design	900 MHz (GSM) exposure to mice and analysis of dark neuron staining in hippocampal slices
Summary	Hippocampal Neuronal Changes in Mouse Brain after Short- and Long-Term Exposure to Mobile Phone Radiofrequency Fields
Citation
Details - Project ID 1190
Lab	Res. Inst. for Radiobiol & Radiohyg, Hungary
Study Design	900 MHz (GSM) exposure to rats and analysis of blood brain barrier leakage and neurodegeneration (replication of Salford et al)
Summary	Effects of Mobile Phone Frequency on the Rat Brain (Replication Study of the BBB / Neurodegeneration Study Conducted In Sweden)
Citation