Technetium tc 99m Apcitide

Technetium Tc-99m Apcitide is a radioconjugate comprised of the small peptide apcitide labeled with the gamma-emitting technetium TC99m (metastable Tc-99).

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CAT No: 10-101-157

CAS No: 178959-14-3

Synonyms/Alias: Acutect (TN);Technetium Tc 99m apcitide (USP)

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Specification Technical Data Publications Customer reviews and Q&A
M.F/FormulaC51H73N17NaO20S5Tc
M.W/Mr.1526.45
ApplicationTechnetium Tc 99m apcitide is used for scintigraphic imaging of acute venous thrombosis in the lower extremities in patients with signs and symptoms of acute blood clots.
ActivityEnhancer
Areas of InterestThrombosis, deep venous (diagnosis)
Source#Synthetic
InChIInChI=1S/C51H77N17O19S5.Na.O.Tc/c1-26(69)60-24-91-21-33(46(82)56-12-37(72)54-14-39(74)64-32(18-88)45(53)81)66-42(77)17-58-47(83)34(22-92-25-61-27(2)70)65-40(75)15-55-38(73)13-57-49(85)36-20-90-23-43(78)63-30(10-28-4-6-29(71)7-5-28)50(86)67-35(19-89-9-3-8-52)48(84)59-16-41(76)62-31(11-44(79)80)51(87)68-36;;;/h4-7,30-36,71,88H,3,8-25,52H2,1-2H3,(H2,53,81)(H,54,72)(H,55,73)(H,56,82)(H,57,85)(H,58,83)(H,59,84)(H,60,69)(H,61,70)(H,62,76)(H,63,78)(H,64,74)(H,65,75)(H,66,77)(H,67,86)(H,68,87)(H,79,80);;;/q;+1;;+3/p-4/i;;;1+1
InChI KeyGOOAASVKYUERHM-SGNQUONSSA-J
Isomeric SMILES[H+].CC(=O)NCSCC(C(=O)NCC(=O)NC(CSCNC(=O)C)C(=NCC(=NCC(=NC(C[S-])C(=O)N)[O-])[O-])[O-])NC(=O)CNC(=O)CNC(=O)C1CSCC(=O)NC(C(=O)NC(C(=O)NCC(=O)NC(C(=O)N1)CC(=O)[O-])CSCCCN)CC2=CC=C(C=C2)O.O=[99Tc+3].[Na+]
References

The affinity of various malignant neoplasms including small cell and non-small cell lung cancer for peptide analogs of somatostatin has been well documented. Depreotide is such an analog and can be complexed with technetium-99m (99mTc depreotide) for optimal imaging properties. Using this radiopharmaceutical, solitary pulmonary nodules (SPN) were previously evaluated in a successful phase II/III trial. The results of the larger multicenter phase III study using 99mTc depreotide to differentiate malignant and benign etiologies in SPN are now presented.

A Multicenter Trial with a Somatostatin Analog 99mTc Depreotide in the Evaluation of Solitary Pulmonary Nodules

Technetium Tc-99m disofenin cholescintigraphy (CS) and ultrasonography (US) are two major clinical methods used in differentiating biliary atresia (BA) from neonatal jaundice. To compare the diagnostic utility of these two modalities, 66 patients with neonatal cholestasis (15 BA, 3 choledochal cyst (CC), 32 neonatal hepatitis, 13 prolonged jaundice, 2 total parenteral nutrition, and 1 sepsis) underwent Tc-99m disofenin CS and US. The diagnostic sensitivity, specificity, and accuracy of CS in differentiating BA from other forms of neonatal jaundice was 100%, 87.5%, and 90.5%, respectively, and for US 86.7%, 77.1%, and 79.4%, respectively. Tc-99m disofenin CS after premedication with phenobarbital and cholestyramine is a convenient and reliable method of differentiating BA from neonatal hepatitis, with a diagnostic accuracy superior to that of US. However, US is the initial imaging procedure of choice in patients presenting with jaundice to rule out anatomic anomalies such as CC.

Comparison technetium of Tc-99m disofenin cholescintigraphy with ultrasonography in the differentiation of biliary atresia from other forms of neonatal jaundice

1. Effect of Short-Term Desiccation, Recovery Time, and CAPA-PVK Neuropeptide on the Immune System of the Burying Beetle Nicrophorus vespilloides

2. Glucagonlike peptide 2 analogue teduglutide: stimulation of proliferation but reduction of differentiation in human Caco-2 intestinal epithelial cells

3. Autoinhibition and phosphorylation-induced activation of phospholipase C-γ isozymes

4. TMEM16F and dynamins control expansive plasma membrane reservoirs

5. Crystal Structure of BamB from Pseudomonas aeruginosa and Functional Evaluation of Its Conserved Structural Features

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