Hier het hele artikel op het internet gevonden:
http://pilarmartinescudero.es/OctNov15/Midronate interferencia con cromatografia.pdf
Enkele citaten:
"Regarding the administered amount of up to 2000 mg per day and the half-life of around 6.5 h, the estimated LLOD at 200 ng/mL for the initial testing assay and 10 ng/mL for the confirmation assay is suggested to be sufficient for a reliable Mildronate
detection over a couple of days after administration."
"
Routine doping control samples
A total of 8320 random doping control urine samples covering dif- ferent classes of sport either from in- or out-of-competition were analyzed for the presence of Mildronate. In total 182 positive Mildronate findings (2.2%) in a concentration range between 0.1 and 1428 μg/mL were detected and confirmed using the employed HILIC-HRMS assay. Mildronate was found in both in- and out-of- competition samples (IC: 135 (74%); OOC: 47 (26%)), and no consid- erable gender specific differences regarding the number of findings (female: 85 (47%); male: 97 (53%)) (Figure 4) or the mean Mildronate concentrations (female: 120.9 μg/mL; male: 136.0 μg/mL) were ob- served. Within the investigated classes of sport Mildronate findings were found to a greater extend in samples from strength sports (67%) and endurance sports (25%). However, the misuse of Mildronate is not limited to a particular sport or to a group of sports but is rather used in a wide range of sports. In the absence of further information as to why the drug was (mis)used, the findings of high Mildronate concentrations in samples originating not from so- called ‘high-risk’ sport disciplines are alarming."
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Conclusion
Mildronate, an approved drug with multiple indications besides its anti-ischemic properties, is known to have a positive effect on the endurance performance of athletes, improves rehabilitation after exercise, protect against stress and activates CNS functions.
....
Based on a growing body of evidence concerning Mildronate misuse in sport and the inclusion of the substance into the 2015 WADA monitoring program, adequate test methods for both initial testing and confirmation of the analyte were established.
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The reduced sample preparation, the flexi- bility of the present approach and the compatibility of the initial testing assay with existing analytical protocols enables the simple implementation of Mildronate into screening assays of fellow anti-doping laboratories for utmost comprehensive monitoring of the substance’s misuse.
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Furthermore, the present study indicates the wide prevalence of Mildronate in international elite sports and demonstrates the alarming extent of administered dosages, finding more than 180 cases of Mildronate use within numerous different sport disciplines and urinary concentration levels of more than 1 mg/mL. Addition- ally, the easy access to Mildronate from numerous online shops cer- tainly plays an important role for the widespread use in international elite sports. Under medical and pharmacological as- pects as well as to preserve the integrity of sport the ban of Mildronate from sport is deemed indicated."