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MR imaging properties and pharmacokinetics of MnDPDP in healthy volunteers
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för radiologi, onkologi och strålningsvetenskap, Enheten för radiologi.
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1997 (Engelska)Ingår i: Acta Radiologica, ISSN 0284-1851, E-ISSN 1600-0455, Vol. 38, nr 4 Pt 2, s. 665-676Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

PURPOSE:

Thirteen male volunteers were studied to evaluate the MR imaging properties and pharmacokinetics of 10 mM mangafodipir trisodium infusion (MnDPDP, Teslascan).

MATERIAL AND METHODS:

Doses of 5 and 10 mumol/kg b.w. were administered by bolus injection (< 1 min) to 5 subjects, and by infusion (20 min) to 8 subjects, with a 3-week wash-out between doses. Infusion subjects underwent MR imaging.

RESULTS:

At 1 h after infusion, the plasma concentration of Mn was reduced to approximately 15% of the maximum value. Fifteen to 20% of Mn was recovered in the urine, and 50-60% was recovered in the faeces. The rapid initial plasma clearance of Mn is consistent with both rapid tissue uptake and rapid renal elimination. Increases in signal intensity were apparent on T1-weighted images of the liver, pancreas, spleen, renal cortex and the renal medulla, but not in regions of the brain protected by an intact blood-brain barrier. Increases were seen in the choroid plexus and pituitary. Contrast-related adverse events, only flushing of moderate intensity, occurred in bolus injection subjects.

CONCLUSION:

At 5 and 10 mumol/kg, mangafodipir produces relatively long-lasting enhancement of several abdominal organs, including the liver, pancreas and kidney.

Ort, förlag, år, upplaga, sidor
1997. Vol. 38, nr 4 Pt 2, s. 665-676
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:uu:diva-152975PubMedID: 9245962OAI: oai:DiVA.org:uu-152975DiVA, id: diva2:414786
Tillgänglig från: 2011-05-04 Skapad: 2011-05-04 Senast uppdaterad: 2017-12-11Bibliografiskt granskad

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