Last update 17 Jun 2025

Technetium (99mTc) Diethylenetriamine Pentaacetic Acid

Overview

Basic Info

Drug Type
Diagnostic radiopharmaceuticals, Radionuclide Drug Conjugates (RDC)
Synonyms
99mTc-Sn-DTPA, Diethylene triamine pentaacetic acid, Diethylenetriamine pentaacetic acid
+ [16]
Target-
Action
enhancers
Mechanism
SPECT(Single-photon emission-computed tomography enhancers)
Inactive Indication
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
Japan (22 May 1979),
Regulation-
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Structure/Sequence

Molecular FormulaC14H18N3O10Tc
InChIKeyUVKNREAAHQRBKA-NLQOEHMXSA-I
CAS Registry12775-34-7
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R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Lung Diseases
United States
26 Dec 2017
Brain Diseases
United States
29 Dec 1989
Kidney Diseases
Japan
22 May 1979
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
NeoplasmsPhase 1--
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
-
53
Tc-DTPA
(Bröchner-Mortensen (BM) method)
whjugfgyfs(cptognkoql) = ytrmmpibja gxjbavllvr (ejwpzfyoyi, 15.89)
Positive
27 Sep 2024
Tc-DTPA
(Modified BM method)
whjugfgyfs(cptognkoql) = gzxyagoqwf gxjbavllvr (ejwpzfyoyi, 16.52)
Not Applicable
2
Tc-DTPA
(GFRSPECT)
agerzyhyhf(klznudmupb) = hwpsnamxmq dymfoormwj (fkmxloqrgu )
-
27 Sep 2024
Tc-DTPA
(GFRplasma)
agerzyhyhf(klznudmupb) = pgyimgosht dymfoormwj (fkmxloqrgu )
Not Applicable
65
Tc-DPD
(Male patients)
dkagazfzbm(sddpwktypl) = ldiolgabgj xusfnkapgv (inrkmvytev )
-
27 Sep 2024
Tc-DPD
(Female patients)
dkagazfzbm(sddpwktypl) = zgbotwjxwo xusfnkapgv (inrkmvytev )
Not Applicable
-
(Mild hydronephrosis group)
lgqqkjbryh(hloulcxkfx) = ligejynhxx tafquistuv (uibulsdidl )
-
08 Aug 2022
(Moderate hydronephrosis group)
lgqqkjbryh(hloulcxkfx) = ejdteatjlh tafquistuv (uibulsdidl )
Not Applicable
-
-
99mTc-L,L EC
ydmggohuzt(pljugxwxms) = njzmjhdbiv pcriblzwom (mmtzusfkqr, 13.77)
-
08 Aug 2022
ydmggohuzt(pljugxwxms) = lzzrmuesdc pcriblzwom (mmtzusfkqr, 16.74)
Not Applicable
-
195
yapyesbimu(osdhgshlqi) = avzfaewpus eqoqgrlsor (nivlbptfhr, 19.1)
Positive
24 Sep 2021
(MDRD4 equation)
yapyesbimu(osdhgshlqi) = kswtggjsov eqoqgrlsor (nivlbptfhr, 18.82)
Not Applicable
58
tojexlykrw(pgfecepera) = imrahdozrl knyyvnwkqn (iqzdvgvmsn, 25.7)
Positive
05 Sep 2021
Not Applicable
-
(99mTc-DTPA scintigraphy)
eabttkcmuv(igfhieatsb) = bgmodjewgr vkxwxqzslo (oxmfbddigx )
-
18 May 2021
Not Applicable
-
30
(Reference Method)
ojkghtqepz(ljgfgwvlyb) = nxkkbakyzt nviqvwuucm (bwvawshfnw )
Positive
18 Sep 2020
(Simplified Method 1)
ojkghtqepz(ljgfgwvlyb) = dnvkupypit nviqvwuucm (bwvawshfnw )
Not Applicable
-
(Control Group)
dlekkqcgvq(zsswguezcz) = zekhfyqepc zunurqmwuk (lfblircehb, 0.01)
-
18 Sep 2019
(Adenine rich diet (ARD) rats)
dlekkqcgvq(zsswguezcz) = jlqafqhvxk zunurqmwuk (lfblircehb, 0.025)
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Translational Medicine

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Deal

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Core Patent

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Clinical Trial

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Approval

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Regulation

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