Results 11 to 20 of about 1,889 (171)

Detection of Anabolic Androgenic Steroids and Steroid Esters-Comparing Dried Blood Spots Collection Devices and Urine Samples. [PDF]

Drug Test Anal
DBS (Capitainer‐B50 and Tasso‐M20) enabled detection of testosterone esters in all participants, whereas urine testing (T/E) missed cases including potential UGT2B17 del/del carriers and individuals with testosterone prescription. More AAS and steroid‐esters could be detected in Capitainer‐B50 versus Tasso‐M20.
Suominen T, von Walden J, Harju L, Pohanka A, Schulze J, Lehtihet M, Ekström L.   +6 more
europepmc   +2 more sources

Simplified Analysis of Native Steroid Esters in Dried Blood Spots by LC-MS³. [PDF]

J Mass Spectrom
ABSTRACT Steroidal esters (e.g., testosterone, nandrolone and boldenone esters) belong to the substance class prohibited in professional sport that is particularly frequently abused due to its considerable performance‐enhancing effects. Thus, a high number of adverse analytical findings in doping controls is reported every year.
Thomas A, Thelen J, Sakellariou P, Thevis M.   +3 more
europepmc   +2 more sources

Purtscher-Like Retinopathy in a Young Male With Renal Failure Following Bodybuilding Supplement Overuse: A Case Report. [PDF]

Case Rep Med
Purtscher‐like retinopathy is a rare microvascular retinal disorder characterized by sudden visual loss and distinctive fundoscopic findings, often associated with systemic vascular insults. We report a 31‐year‐old male presenting with bilateral sudden blurred vision, hypertensive crisis, and renal failure following excessive intake of anabolic ...
Khazaei S, Khazaei H.
europepmc   +2 more sources

Allograft Injury Following Nandrolone and High-Dose Dietary Supplements Use in a Liver Transplant Recipient: A Case Report. [PDF]

Clin Case Rep
ABSTRACT This case report highlights the importance of meticulous monitoring of all medications and dietary supplements used by solid organ transplant recipients. Although the recommended daily allowances of vitamins, minerals, and herbs are generally considered safe, combining various supplement formulations can result in excessive intake, thereby ...
Hosseini MS, Dashti-Khavidaki S, Talebian M, Nasiri-Toosi M, Safaei M.   +4 more
europepmc   +2 more sources

Prevalence of AAS-Positive Samples at Drug Abuse Laboratory Sweden Between 2014 and 2023 and Sub-Study of Dual Use of AAS and Narcotics. [PDF]

Drug Test Anal
Throughout 2014–2023, over 20,000 AAS analyses have been conducted at the drug of abuse laboratory, Karolinska University Hospital. Approximately 20% and 2% of the samples have been positive for AAS, with no trends of increase or decrease. Around 50% of the AAS‐positive samples were also positive for narcotics (year 2022–2023), with gender differences;
Bohlin KP, Villén T, Hopcraft O, Pohanka A, Ekström L.   +4 more
europepmc   +2 more sources

Nandrolone decanoate appears to increase bone callus formation in young adult rats after a complete femoral fracture [PDF]

Acta Cirúrgica Brasileira, 2017
Purpose: To evaluate the influence of nandrolone decanoate on fracture healing and bone quality in normal rats. Methods: Male rats were assigned to four groups (n=28/group): Control group consisting of animals without any intervention, Nandrolone ...
Ana Paula Franttini Garcia Moreno Guimarães, Mariana Maloste Butezloff, Ariane Zamarioli, João Paulo Mardegan Issa, José Batista Volpon   +4 more
doaj   +1 more source

In vitro and In vivo Investigation of poly(lactic acid)/hydroxyapatite nanoparticle scaffold containing nandrolone decanoate for the regeneration of critical-sized bone defects [PDF]

Nanomedicine Journal, 2020
Objective(s): Bone tissue engineering is aimed at the fabrication of bone graft to ameliorate bone defects without using autografts or allografts. Materials and Methods: In the present study, the coprecipitation method was used to prepare hydroxyapatite (
Majid Salehi, Arman Ai, Arian Ehterami, Masoumeh Einabadi, Alireza Taslimi, Armin Ai, Hamta Akbarzadeh, Ghazal Jabal Ameli, Saeed Farzamfar, Sadegh Shirian, Nahal Azimi, Faezeh Sadeghi, Naghmeh Bahrami, Arash goodarzi, Jafar Ai   +14 more
doaj   +1 more source

Urinary Nandrolone Metabolite Detection after Ingestion of a Nandrolone Precursor [PDF]

Medicine & Science in Sports & Exercise, 2009
Quantities of various anabolic/androgenic steroids have been found in dietary supplements without their presence being disclosed on the label. The aim of this study was to quantify the excretion patterns of the diagnostic metabolites, 19-norandrosterone (19-NA), and 19-noretiocholanolone (19-NE) after ingestion of small doses of 19-nor-4-androstene-3 ...
Phillip, Watson, Catherine, Judkins, Ed, Houghton, Caroline, Russell, Ronald J, Maughan   +4 more
openaire   +2 more sources

Heart Reaction to Nandrolone Decanoate plus Two Different Intensities of Endurance Exercise: Electrocardiography and Stereological Approach [PDF]

Addiction and Health, 2018
Background: Regarding the negative effects of androgenic anabolic steroids (AASs) abuse, the long-term effect of nandrolone decanoate with/without two intensities of endurance exercise training was investigated on heart tissue and electrocardiogram (ECG)
Siyavash Joukar, Vida Naderi-Boldaji, Mahdieh Yoosefnia, Hamidreza Nasri, Forouzan Rafie   +4 more
doaj   +1 more source

Classification and detection of testosterone propionate and nandrolone residues in duck meat using surface-enhanced Raman spectroscopy coupled with multivariate analysis

Poultry Science, 2021
There is a critical need for a rapid and simple method of qualitative and quantitative analysis of testosterone propionate (TP) and nandrolone (NT) residues in duck meat.
Haichao Yuan, Muhua Liu, Shuanggen Huang, Jinhui Zhao, Jinjiang Tao   +4 more
doaj   +1 more source