Flotufolastat F-18

Flotufolastat F-18, sold under the brand name Posluma, is a radioactive diagnostic agent for use with positron emission tomography (PET) imaging for prostate cancer.[1] The active ingredient is flotufolastat F-18 gallium.[1]

Flotufolastat F-18
Flotufolastat F-18 gallium
Clinical data
Trade namesPosluma
Other names18F-rhPSMA-7.3
License data
Routes of
administration		Intravenous
ATC code
  • None
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
DrugBank
UNII
KEGG
Chemical and physical data
3D model (JSmol)
  • CC(C)(C)[Si]([18F])(C1=CC=C(C=C1)C(=O)NC[C@@H](NC(=O)CC[C@H](N1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1)C(O)=O)C(=O)N[C@H](CCCCNC(=O)CCC(=O)NCCC[C@@H](NC(=O)CC[C@H](NC(=O)N[C@@H](CCC(O)=O)C(O)=O)C(O)=O)C(O)=O)C(O)=O)C(C)(C)C

  • CC(C)(C)[Si](C1=CC=C(C=C1)C(=O)NC[C@H](C(=O)N[C@H](CCCCNC(=O)CCC(=O)NCCC[C@H](C(=O)O)NC(=O)CC[C@@H](C(=O)O)NC(=O)N[C@@H](CCC(=O)O)C(=O)O)C(=O)O)NC(=O)CC[C@@H](C(=O)O)N2CCN(CCN(CCN(CC2)CC(=O)[O-])CC(=O)[O-])CC(=O)[O-])(C(C)(C)C)[18F].[Ga+3]
  • InChI=1S/C63H99FN12O25Si/c1-62(2,3)102(64,63(4,5)6)39-14-12-38(13-15-39)54(89)67-34-44(69-49(80)20-18-45(60(99)100)76-32-30-74(36-52(85)86)28-26-73(35-51(83)84)27-29-75(31-33-76)37-53(87)88)55(90)70-41(57(93)94)10-7-8-24-65-46(77)21-22-47(78)66-25-9-11-40(56(91)92)68-48(79)19-16-42(58(95)96)71-61(101)72-43(59(97)98)17-23-50(81)82/h12-15,40-45H,7-11,16-37H2,1-6H3,(H,65,77)(H,66,78)(H,67,89)(H,68,79)(H,69,80)(H,70,90)(H,81,82)(H,83,84)(H,85,86)(H,87,88)(H,91,92)(H,93,94)(H,95,96)(H,97,98)(H,99,100)(H2,71,72,101)/t40-,41-,42+,43+,44-,45+/m1/s1/i64-1
  • Key:QMGJNAVROCDAIW-MQNQVPOESA-N

  • InChI=1S/C63H99FN12O25Si.Ga/c1-62(2,3)102(64,63(4,5)6)39-14-12-38(13-15-39)54(89)67-34-44(69-49(80)20-18-45(60(99)100)76-32-30-74(36-52(85)86)28-26-73(35-51(83)84)27-29-75(31-33-76)37-53(87)88)55(90)70-41(57(93)94)10-7-8-24-65-46(77)21-22-47(78)66-25-9-11-40(56(91)92)68-48(79)19-16-42(58(95)96)71-61(101)72-43(59(97)98)17-23-50(81)82;/h12-15,40-45H,7-11,16-37H2,1-6H3,(H,65,77)(H,66,78)(H,67,89)(H,68,79)(H,69,80)(H,70,90)(H,81,82)(H,83,84)(H,85,86)(H,87,88)(H,91,92)(H,93,94)(H,95,96)(H,97,98)(H,99,100)(H2,71,72,101);/q;+3/p-3/t40-,41-,42+,43+,44-,45+;/m1./s1/i64-1;
  • Key:OJPQWJNFDOFXTN-WRFPGERRSA-K

Flotufolastat F-18 was approved for medical use in the United States in May 2023.[1][2]

Medical uses

Flotufolastat F-18 is indicated for positron emission tomography of prostate-specific membrane antigen positive lesions in men with prostate cancer.[1]

References
  1. "Posluma- flotufolastat f-18 injection". DailyMed. 2 June 2023. Retrieved 25 June 2023.
  2. "U.S. FDA Approves Blue Earth Diagnostics' Posluma (Flotufolastat F 18) Injection, First Radiohybrid PSMA-targeted PET Imaging Agent for Prostate Cancer" (Press release). Blue Earth Therapeutics. 30 May 2023. Retrieved 25 June 2023 – via Business Wire.
  • Clinical trial number NCT04186819 for "Imaging Study to Investigate the Safety and Diagnostic Performance of rhPSMA 7.3 (18F) in Newly Diagnosed Prostate Cancer (LIGHTHOUSE)" at ClinicalTrials.gov
  • Clinical trial number NCT04186845 for "Imaging Study to Investigate Safety and Diagnostic Performance of rhPSMA 7.3 (18F) PET Ligand in Suspected Prostate Cancer Recurrence (SPOTLIGHT)" at ClinicalTrials.gov


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