Sökning: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Kirurgi) > Is Levodopa Pharmac...
Fältnamn | Indikatorer | Metadata |
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000 | 04793naa a2200433 4500 | |
001 | oai:DiVA.org:liu-136685 | |
003 | SwePub | |
008 | 170420s2017 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1366852 URI |
024 | 7 | a https://doi.org/10.4236/apd.2017.610012 DOI |
040 | a (SwePub)liu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Nord, Mariau Linköpings universitet,Avdelning för neurobiologi,Medicinska fakulteten,Region Östergötland, Neurologiska kliniken i Linköping4 aut0 (Swepub:liu)marno01 |
245 | 1 0 | a Is Levodopa Pharmacokinetics in Patients with Parkinson’s Disease Depending on Gastric Emptying? |
264 | 1 | b Scientific Research Publishing,c 2017 |
338 | a electronic2 rdacarrier | |
520 | a Levodopa uptake from the gastrointestinal tract in patients with Parkinson’s disease (PD) can be affected by delayed gastric emptying (GE). This might lead to fluctuating levodopa levels resulting in increased motor fluctuations. Continuous dopaminergic stimulation (CDS) improves motor fluctuations and could be a result of smoothening in levodopa uptake. In this study we wanted to study the levodopa pharmacokinetics peripherally in PD patients with motor fluctuations and investigate the relation between levodopa uptake and GE and the effect of CDS. PD patients with wearing off (group 1) and on-off syndrome (group 2) were included. Breath tests were performed to evaluate the half time (T1/2) of GE. Concomitantly 1 tablet of Madopark® was given and the levodopa concentrations in blood and subcutaneous (SC) tissue were analyzed for both groups. Group 2 was then given a 10-d continuous intravenous levodopa treatment and the tests were repeated. Higher levels of levodopa in group 1 compared to group 2 in blood (p = 0.014) were seen. The GE was delayed in both group 1 (p < 0.001) and group 2 (p < 0.05) compared to a reference group with healthy volunteers with T1/2 median values 105 and 78 min vs. 72 min. There was no difference in GE between the two PD groups (p = 0.220) or in group 2 before and after infusion period (p = 0.861). CDS resulted in lower levodopa levels in blood (p < 0.001) and SC tissue (p < 0.01). In conclusion, PD patients in early complication phase have a more favourable levodopa uptake than patients later in disease. We found delayed GE in PD patients with motor fluctuations but no obvious relation between GE and levodopa uptake or GE and PD stage. The effect of CDS indicates no effect of CDS on the mechanisms of GE but on the mechanisms of levodopa uptake. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Neurologi0 (SwePub)302072 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Neurology0 (SwePub)302072 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Gastroenterologi0 (SwePub)302132 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Gastroenterology and Hepatology0 (SwePub)302132 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Anestesi och intensivvård0 (SwePub)302012 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Anesthesiology and Intensive Care0 (SwePub)302012 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Kirurgi0 (SwePub)302122 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Surgery0 (SwePub)302122 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Kardiologi0 (SwePub)302062 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Cardiac and Cardiovascular Systems0 (SwePub)302062 hsv//eng |
700 | 1 | a Kullman, Anita,d 1950-u Linköpings universitet,Medicinska fakulteten,Avdelningen för neuro- och inflammationsvetenskap4 aut0 (Swepub:liu)aniku95 |
700 | 1 | a Hannestad, Ulf,d 1946-u Linköpings universitet,Avdelningen för mikrobiologi och molekylär medicin,Medicinska fakulteten4 aut0 (Swepub:liu)ulfha46 |
700 | 1 | a Dizdar Segrell, Nil,d 1960-u Linköpings universitet,Avdelningen för neuro- och inflammationsvetenskap,Medicinska fakulteten,Region Östergötland, Neurologiska kliniken i Linköping4 aut0 (Swepub:liu)nildi39 |
710 | 2 | a Linköpings universitetb Avdelning för neurobiologi4 org |
773 | 0 | t Advances in Parkinsons Diseased : Scientific Research Publishingg 06:01q 06:01x 2169-9712x 2169-9720 |
856 | 4 | u https://liu.diva-portal.org/smash/get/diva2:1089528/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
856 | 4 | u http://www.scirp.org/journal/PaperDownload.aspx?paperID=73934 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-136685 |
856 | 4 8 | u https://doi.org/10.4236/apd.2017.61001 |
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