Skip to main content

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at OPM.gov.

Transforming the understanding
and treatment of mental illnesses.

CNS Radiotracer Table

CNS Radiotracers that have been advanced for use in Human Studies
Molecular Target 11C-Labeled ligand 18F-Labeled ligand 123I-Labeled ligand
Neuroreceptor target
Metabotropic
Adenosine A1 [11C]MPDX [18F]CPFPX
Adenosine A2A [11C]SCH442416 [18F]MNI-444 [123I]MNI-420
[11C]Preladenant
[11C]TMSX
CB1 [11C]MePPEP [18F]FEMMEP-d2
[11C]OMAR [18F]MK-9470
[11C]SD5024
D1 [11C]NNC 112 [18F]MNI-968 ([18F]PF-8477)
[11C]SCH 23390
D2/D3 [11C]Raclopride [18F]Fallypride [123I]IBZM
[11C]FLB 457 [123I]Epidepride
[11C]MNPA (agonist) [123I]IBF
[11C](+)PHNO (agonist)
[11C]NPA (agonist)
H1 [11C]Doxepin
H3 [11C]GSK189254 [18F]FMH3
[11C]GR 103545
5-HT1A [carbonyl-11C]WAY [18F]FCWAY
[carbonyl-11C]DWAY [18F]MefWAY
[11C]CUMI-101 [18F]MPPF
5-HT1B [11C]AZ10419369
[11C]P943
5-HT2A [11C]MDL 100 907 [18F]Altanserin
[18F]Altanserin-d2
[18F]Setoperone
5-HT4 [11C]SB-207145
5-HT6 [11C]GSK-215083
mGluR1 [11C]ITMM [18F]FIMX
mGluR5 [11C]ABP688 [18F]-FPEB
[18F]-​PSS232
NK1 [18F]SPA-RQ
[18F]MK-0999 ([18F]FE-SPA-RQ)
NOP [11C]NOP-1A
Opiate (DOR) [11C]Methylnaltrindole
Opiate (MOR) [11C]Diprenorphine [18F]Fluoroethyldiprenorphine
[11C]Carfentanil (agonist)
Opiate (KOR) ​[11C]GR103545 
[11C]LY2795050
Sigma [11C]SA4503
Imidazoline Receptors (I2 binding site) [11C]BU99008
Ionotropic
Bz(GABAA) [11C]Flumazenil [18F]Flumazenil
Bz (α5GABAA) [11C]Ro15 4513
Nicotinic (α4β2) 2-[18F]F-A-85380 (2-[18F]FA) [123I]51A
6-[18F]FA
[18F]Nifene (agonist)
[18F]XTRA
[18F]GMOM
[18F]Flubatine
[18F]AZAN
Nicotinic (α7) [11C]CHIBA-1001 [18F]ASEM
NMDA [18F]GE-179 [123I]CNS1261
P2X7 [11C]JNJ54173717 [18F]JNJ-64413739
[11C]GSK-1482160
Transporter target
DAT [11C]PE2I  [18F]FP-CIT [123I]FP-CIT (DATSCAN)
[11C]Methylphenidate [18F]FE-PE2I [123I]CIT (Dopascan)
[18F]FECNT [123I]Altropane
[123I]PE2I
Glycine T1 [11C]CFpyPB [18F]CFPyPB
[11C]GSK 931145
[11C]RO5013853
NET [11C]MeNER-d2 [18F]FMeNER-d2 [123I]INER
SERT [11C]DASB [18F]ADAM [123I]CIT
[11C]MADAM [123I]mZIENT
[11C]AFM [123I]norβCIT
[11C]HOHMADAM [123I]βCIT
[123I]ADAM
VMAT2 [11C]DTBZ [18F]florbenazine
[11C]MTBZ [18F]AV-133
[18F]FP-DTBZ
VAChT [18F]FEOBV
Synaptic Proteins
SV2A [11C]UCB-J  [18F]UCB-H  
[11C]UCB-A
 Channel like target
TSPO [11C](R)-PK 11195 [18F]FBR  [123I]CLINDE
[11C]PBR28 [18F]FEPPA
[11C]DAA1106 [18F]PBR111
[11C]DPA-713
 Enzyme target
AChE [11C]MP4A    [123I]IBVM
Aromatase [11C]VOR
Cox-1 [11C]PS13
FAAH [11C]CURB
[11C]MK3168
HDAC 1-3 [11C]Martinostat
MAO-A [11C]Harmine
[11C]Clorgyline
[11C]Befloxatone
MAO-B [11C]Deprenyl-d2
Mitochondrial Complex 1 [18F]BCPP-EF
PDE2A [18F]PF05270430
PDE4 [11C](R)-Rolipram
PDE10A [11C]IMA107 [18F]MNI659
[11C]MP-10
[11C]Lu AE92686
 Aggregated protein target
β-Amyloid [11C]PIB [18F]Flutemetamol  [123I]IMPY
[18F]Florbetapir([18F]AV-45)
[18F]AZD 4694
[18F]FBM
[18F]FDDNP
[18F]W372
[18F]Florbetaban
[18F]MK3328
Tau/Synuclein [11C]PBB3 [18F]BF-227
[11C]THK5351 [18F]Flortaucipir ([18F]AV-1451)
[18F]THK5351
[18F]THK5317
[18F]THK5105
[18F]THK523
[18F]MK6240
[18F]RO948