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Clark SM, Zhang X, Goncharov DA. Inpatient Management of Hyperemesis Gravidarum. Obstet Gynecol 2024; 143:745-758. [PMID: 38301258 DOI: 10.1097/aog.0000000000005518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/16/2023] [Indexed: 02/03/2024]
Abstract
Hyperemesis gravidarum has a reported incidence of approximately 0.3-3% of pregnancies. Without treatment, refractory hyperemesis gravidarum can result in dehydration, electrolyte deficiencies, and severe nutritional deficiencies, resulting in significant maternal morbidity. The overall goals of inpatient management of refractory hyperemesis gravidarum are the resumption of oral intake to an adequate level to maintain hydration and nutrition, including the ability to tolerate oral pharmacotherapy. Patients initially are stabilized with rehydration and electrolyte repletion. There are numerous pharmacotherapeutics available that can be administered intravenously to control symptoms when oral intake is not an option. However, despite maximizing typical antiemetics, there will be cases refractory to these medications, and alternative pharmacotherapeutics and nutrition-support modalities must be considered. Mirtazapine, olanzapine, corticosteroids, and gabapentin are examples of alternative pharmacotherapeutics, and enteral and parenteral nutrition are alternative therapies that can be used when oral intake is not tolerated for prolonged time periods with ongoing weight loss. In refractory cases of hyperemesis gravidarum, the risks and benefits of these alternative forms of management must be considered, along with the risks of undertreated hyperemesis gravidarum and the overall effect of hyperemesis gravidarum on patients' quality of life.
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Affiliation(s)
- Shannon M Clark
- University of Texas Medical Branch at Galveston, Galveston, Texas
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Radhakrishnan V, Venkatakrishnan K, Perumal Kalaiyarasi J, Selvarajan G, Mahaboobasha N, Victor PV, Anbazhagan M, Sivanandam DM, Rajaraman S. Dexamethasone-Free Antiemetic Prophylaxis for Highly Emetogenic Chemotherapy: A Double-Blind, Phase III Randomized Controlled Trial (CINV POD study). JCO Glob Oncol 2024; 10:e2300301. [PMID: 38237092 PMCID: PMC10805440 DOI: 10.1200/go.23.00301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/19/2023] [Accepted: 11/07/2023] [Indexed: 01/23/2024] Open
Abstract
PURPOSE The effectiveness of a dexamethasone (DEX)-free regimen for chemotherapy-induced nausea and vomiting (CINV) prophylaxis in patients receiving highly emetogenic chemotherapy (HEC) is not known. METHODS This was a double-blind, phase III trial designed to show the noninferiority of a DEX-free regimen (olanzapine, palonosetron, and fosaprepitant [OPF]) compared with the DEX-containing regimen (olanzapine, palonosetron, and DEX [OPD]). Chemotherapy-naïve patients age 18-80 years receiving single-day HEC were randomly assigned 1:1 to receive either the OPD regimen or the OPF regimen. The primary objective was to compare complete response (CR) rates for vomiting during the overall period (start of chemotherapy to 120 hours). Secondary objectives included CR for vomiting during the acute period (0-24 hours) and delayed period (24-120 hours), CR for nausea, and comparison of toxicities and patient-reported outcomes. RESULTS Three hundred forty-six patients received the study interventions, 174 in the OPD arm and 172 in the OPF arm. The DEX-free OPF arm had significantly higher CR rates for vomiting compared with the DEX-containing OPD arm in acute (94.7% v 85.6%; P < .004), delayed (81.9% v 50.5%; P < .001), and overall (79.6% v 48.8%; P < .001) periods. For nausea, CR rates in the OPF arm were higher in delayed (53.4% v 39.6%; P = .009) and overall (50.5% v 39.1%; P = .031) periods but not in the acute period (77.9% v 81.6%; P = .39). Fatigue (P = .009) and drowsiness (P = .002) were more in the OPF arm in the acute period and insomnia (P < .001) in the OPD arm in the overall period. CONCLUSION This study shows that a DEX-free OPF regimen is efficacious and should be considered a standard option for acute and delayed CINV prophylaxis for HEC.
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Hui ZH, Naeem M, Rauf A, Aslam A. Estimating the physicochemical properties of antiemetics using degree-based topological descriptors. Mol Phys 2023. [DOI: 10.1080/00268976.2023.2189491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Affiliation(s)
- Zhi-hao Hui
- School of Mathematics and Statistics, Pingdingshan University, Pingdingshan, People's Republic of China
- Henan International Joint Laboratory for Multidimensional Topology and Carcinogenic, Characteristics Analysis of Atmospheric Particulate Matter PM2.5, Pingdingshan, People's Republic of China
| | - Muhammad Naeem
- Department of Mathematics, National University of Science and Technology, Islamabad, Pakistan
| | - Abdul Rauf
- Department of Mathematics, Air University Multan Campus, Multan, Pakistan
| | - Adnan Aslam
- Department of Natural Sciences and Humanities, University of Engineering and Technology, Lahore (RCET), Pakistan
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Courault P, Deville A, Habouzit V, Gervais F, Bolot C, Bournaud C, Levigoureux E. Amino Acid Solutions for 177Lu-Oxodotreotide Premedication: A Tolerance Study. Cancers (Basel) 2022; 14:cancers14215212. [PMID: 36358631 PMCID: PMC9657593 DOI: 10.3390/cancers14215212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/29/2022] [Accepted: 10/14/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The co-infusion of amino acid solutions during peptide receptor radionuclide therapy reduces the tubular reabsorption of 177Lu-oxodotreotide, thus minimizing nephrotoxicity. In our nuclear medicine department, the patients received two different types of amino acid perfusion over time: a commercial solution (CS) containing 10% amino acids, and a 2.5% lysine−arginine (LysArg) hospital preparation, produced by a referral laboratory. The aim of the present study was to analyze the tolerance of the two amino acid solutions. Methods: The patient files were analyzed and double-checked. The study parameters comprised the gender, age, primary tumor site, type of amino acid perfusion, adverse events (AE) and WHO AE grades, antiemetic premedication, creatinine, and serum potassium level. Results: From February 2016 to February 2019, 76 patients were treated, for a total 235 cycles. AEs occurred in 71% of the CS cycles (n = 82/116), versus 18% (n = 21/119) in the LysArg group (p < 0.0001). In the CS group, the AEs were mostly WHO grade 4 (n = 24/82), and mostly grade 1 in the LysArg group (n = 13/21). Poisson regression showed a higher risk of AE overall and of grades 3 and 4 in the females and with CS. The mean creatinine clearance was identical before and after the PRRT cycles, whichever amino acid perfusion was used. Conclusions: The lysine−arginine preparation showed better tolerance than the commercial solution. The change to LysArg reduced the antiemetic premedication from four molecules to one.
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Affiliation(s)
- Pierre Courault
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, Université Claude Bernard Lyon 1, 69677 Bron, France
| | - Agathe Deville
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
| | - Vincent Habouzit
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
| | - Frédéric Gervais
- Service de Pharmacie, Groupement Hospitalier Centre, Hospices Civils de Lyon, 69003 Lyon, France
| | - Claire Bolot
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
| | - Claire Bournaud
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
| | - Elise Levigoureux
- Hospices Civils de Lyon, Groupement Hospitalier Est, 69677 Bron, France
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, Université Claude Bernard Lyon 1, 69677 Bron, France
- Correspondence:
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Turossi-Amorim ED, Camargo B, Schuelter-Trevisol F. Prevalence of Potential Pharmacological Interactions in Patients Undergoing Systemic Chemotherapy in a Tertiary Hospital. Hosp Pharm 2022; 57:646-653. [PMID: 36081531 PMCID: PMC9445545 DOI: 10.1177/00185787211073464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Introduction: Pharmacological interactions are frequently observed in patients with chronic diseases, and their occurrence is proportional to the amount of medication used daily. Patients undergoing chemotherapy treatment commonly have comorbidities, which favor a greater prevalence of polypharmacy, increasing the risk of drug interactions. Therefore, the aim of this study was to estimate the prevalence of drug interactions in patients undergoing intravenous chemotherapy treated at a hospital oncology service in southern Brazil. Methods: This was an observational study with a cross-sectional design that was carried out with the analysis of secondary data obtained through the review of medical records. The population assessed consisted of all cancer patients who received intravenous chemotherapy from October to December 2020. Results: Out of the 297 patients included in the study, 231 (77.8%) had at least 1 potential pharmacological interaction. In total, 1044 drug interactions were found that were classified according to severity, resulting in 18 (1.7%) contraindicated drug-drug interactions (DDI), 699 (67%) severe, 281 (26.9%) moderate, and 46 (4.4%) minor interactions. There was an association between polypharmacy and the prevalence of drug interactions. Conclusion: The results demonstrate that a large percentage of patients undergoing chemotherapy are susceptible to drug interactions. Thus, it is necessary that prescribers consider all drugs used by patients and, when possible, prescribe alternative drugs that have less potential for interaction in order to prevent drug interactions adverse effects and provide a better prognosis for patients.
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Affiliation(s)
| | - Bruna Camargo
- University of Southern Santa Catarina, Tubarao, Brazil
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Bazrafshani MS, Pardakhty A, Kalantari Khandani B, Nasiri N, Moghaderi M, Bazrafshani A, Mehmandoost S, Beigzadeh A, Sharifi H. The Prevalence of Polypharmacy and Potential Drug-Drug Interactions among Iranian Cancer Patients: which Patients Were at Risk? Cancer Invest 2022; 40:457-472. [PMID: 35099344 DOI: 10.1080/07357907.2022.2037139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
INTRODUCTION Drug-Drug interactions (DDIs) are one of the considerable consequences of polypharmacy. Due to the influence of polypharmacy and drug interactions on cancer treatment and patients` health outcomes, the present study aimed to determine the prevalence of polypharmacy and potential DDIs among adult cancer patients in Kerman province, southeast of Iran. METHODS In this cross-sectional study, 315 cancer patients who referred to Kerman city oncology clinics were assessed in 2018. Data were collected through face-to-face interviews and medical charts were reviewed. Polypharmacy was defined as the use of at least five drugs simultaneously. Potential DDIs were checked using the "Drugs.com" online database. A bivariable and a multivariable logistic regression were used to determine the associated factors of outcome variables, polypharmacy status and potential DDI in SPSS software version 23. RESULTS Of 315 cancer patients, 191 patients (60.6%; 95% CI:54.9, 66) used at least five drugs during chemotherapy courses. The prevalence of potential DDIs was 59.6% (n = 140, 95% CI: 53.6-66.0. Experience co-morbid diseases (OR:6.60; 95%CI: 3.82, 11.42; P-value ≤0.0001), and positive metastatic status (OR:2.80; 95%CI: 1.62, 4.82; P-value ≤0.0001) could predict the polypharmacy during chemotherapy courses. Patients who suffered gastrointestinal cancers (OR:5.55; 95%CI: 2.26, 13.62; P-value ≤0.0001) and the number of prescribed or Over The Counter (OTC) drugs (OR:1.29; 95%CI: 1.12, 1.48; P-value <0.0001) predicted the occurrence of potential DDIs among cancer patients. CONCLUSION Regarding the high prevalence of polypharmacy and potential drug interactions among Iranian cancer patients during chemotherapy courses, it is advisable for physicians, nurses, and pharmacists to be vigilant to improve prescribing patterns. In addition, with intensive monitoring, alternative treatment strategies can be replaced.
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Affiliation(s)
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Behjata Kalantari Khandani
- Hematology and Oncology Division, Department of Internal Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Naser Nasiri
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Masoud Moghaderi
- Department of Traditional Medicine, School of Traditional Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Azam Bazrafshani
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Soheil Mehmandoost
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Amin Beigzadeh
- Medical Education Leadership and Management Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Sharifi
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
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Chira R, Fangmeyer J, Neaga IO, Zaharia V, Karst U, Bodoki E, Oprean R. Simulation of the oxidative metabolization pattern of netupitant, an NK 1 receptor antagonist, by electrochemistry coupled to mass spectrometry. J Pharm Anal 2021; 11:661-666. [PMID: 34765280 PMCID: PMC8572700 DOI: 10.1016/j.jpha.2021.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 03/20/2021] [Accepted: 03/29/2021] [Indexed: 12/04/2022] Open
Abstract
Considering the frequent use of netupitant in polytherapy, the elucidation of its oxidative metabolization pattern is of major importance. However, there is a lack of published research on the redox behavior of this novel neurokinin-1 receptor antagonist. Therefore, this study was performed to simulate the intensive hepatic biotransformation of netupitant using an electrochemically driven method. Most of the known enzyme-mediated reactions occurring in the liver (i.e., N-dealkylation, hydroxylation, and N-oxidation) were successfully mimicked by the electrolytic cell using a boron-doped diamond working electrode. The products were separated by reversed-phase high-performance liquid chromatography and identified by high-resolution mass spectrometry. Aside from its ability to pinpoint formerly unknown metabolites that could be responsible for the known side effects of netupitant or connected with any new perspective concerning future therapeutic indications, this electrochemical process also represents a facile alternative for the synthesis of oxidation products for further in vitro and in vivo studies. Study of the electrochemical behavior of netupitant, an NK1 receptor antagonist. Electrochemical simulation of the phase I oxidative metabolization of netupitant. Identification of the generated oxidation species by LC/ESI(+)-MS. Separation and identification of electrochemically generated isomers.
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Affiliation(s)
- Ruxandra Chira
- Analytical Chemistry Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400349, Cluj-Napoca, Romania
| | - Jens Fangmeyer
- University of Münster, Institute of Inorganic and Analytical Chemistry, 48149, Münster, Germany
| | - Ioan O. Neaga
- Analytical Chemistry Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400349, Cluj-Napoca, Romania
| | - Valentin Zaharia
- Organic Chemistry Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012, Cluj-Napoca, Romania
| | - Uwe Karst
- University of Münster, Institute of Inorganic and Analytical Chemistry, 48149, Münster, Germany
- Corresponding author.
| | - Ede Bodoki
- Analytical Chemistry Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400349, Cluj-Napoca, Romania
- Corresponding author.
| | - Radu Oprean
- Analytical Chemistry Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400349, Cluj-Napoca, Romania
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Effect of pharmacodynamical interaction between nutlin-3a and aspirin in the activation of p53. J Theor Biol 2021; 522:110696. [PMID: 33794285 DOI: 10.1016/j.jtbi.2021.110696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 02/22/2021] [Accepted: 03/19/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND OBJECTIVE p53, an anti-tumour protein, is significantly inactivated in most tumours. A small molecule of nutlin-3a is used to activate its function by repressing (Mouse double minute 2 homolog) Mdm2 protein which inhibits its activity. In cancer patients, a high risk of drug-drug interactions (DDIs) is observed owing to their multi-dosing prescriptions, which may lead them to harmful effects. In the presented work, we have aimed to investigate the effect of pharmacodynamical interaction between two anti-cancer drugs, nutlin-3a and aspirin in the activation of p53 protein. METHODS We have adapted control system techniques and designed a Proportional-Integral-Derivative (PID) controller. This controller is used to activate p53 protein. A drug interaction parameter is used to incorporate the effect of both drugs. Extensive simulation is performed using two different doses of aspirin, i.e. a low and a high dose of aspirin. RESULTS The result shows no harmful effects of pharmacodynamical interaction when a low dose is administered along with nutlin-3a. When a high dose of aspirin is administered it acts as input disturbance and leads to undesirable over-expression of p53 protein. This can further harm other growth cells, thus inducing harmful effects. A comparative analysis is also tabulated with different dosing regimens which shows that a combination of nutlin-3a and a low dose of aspirin provides better results than a high dose of aspirin. CONCLUSION Overall, the work provides an insight to the activation of p53 protein in cancer patients under the presence of pharmacodynamical interaction and might contribute to the effective management of cancer patients.
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Fahey OG, Piccolo JK, Bergsbaken JJ, N Dow-Hillgartner E. Hypertension and QT interval prolongation associated with targeted systemic cancer therapies. J Oncol Pharm Pract 2020; 26:1987-1996. [DOI: 10.1177/1078155220958462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objective To summarize the proposed mechanisms behind hypertension and QT interval prolongation associated with use of targeted systemic cancer therapies and provide recommendations for monitoring or managing these toxicities. Summary The cardiotoxic effects of targeted systemic cancer therapies represents a new paradigm of cancer treatment associated cardiovascular adverse events. National guidelines regarding optimal monitoring and management strategies for hypertension and QT interval prolongation associated with use of these therapies are lacking. While the pathophysiological drivers of hypertension due to targeted systemic cancer therapies differ by class of targeted therapy, general management strategies do not. Routine blood pressure monitoring throughout the duration of therapy is recommended for all agents. Patients who experience hypertension often can be treated with the addition or modification of antihypertensive therapies. Uncontrolled hypertension despite optimal medical management may require dose modifications or discontinuation of the targeted systemic cancer therapy. Electrocardiogram monitoring is recommended for patients who receive targeted therapies that may prolong the QT interval. Minimizing or managing drug interactions with other QT prolonging medications is recommended in addition to ensuring adequate electrolyte supplementation. Dose modifications or discontinuation of the targeted systemic therapy may be necessary for patients who experience QT interval prolongation. Conclusions Appropriate cardiovascular monitoring and timely management of treatment-emergent toxicities can optimize therapy for patients receiving targeted systemic cancer therapies associated with a risk of drug-induced hypertension or QT interval prolongation.
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Affiliation(s)
- Olivia G Fahey
- Department of Pharmacy, University of Kansas Cancer Center, Westwood, KS, USA
| | - Jennifer K Piccolo
- Department of Pharmacy, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA
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Fliefel R, El Ashwah A, Entekhabi S, Kumbrink J, Ehrenfeld M, Otto S. Bifunctional effect of Zoledronic Acid (ZA) on human mesenchymal stem cells (hMSCs) based on the concentration level. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2020; 121:634-641. [PMID: 32171967 DOI: 10.1016/j.jormas.2020.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/02/2020] [Accepted: 03/04/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Treatment of massive bone defects is a great challenge. Mesenchymal stem cells (MSCs) enhance bone regeneration by differentiating into osteoblasts. Bisphosphonates (BPs) are antiresorptives reducing bone resorption. Despite Medication-related osteonecrosis of the jaw (MRONJ) is a known side effect of antiresorptives, evidences suggest that BPs have positive effect on bone formation. The aims of this study were to investigate the effect of zoledronic acid (ZA) and geranylgeraniol (GGOH) on human mesenchymal stem cells (hMSCs) being a part of the bone microenvironment and evaluate whether low dose of bisphosphonate has enhanced osteogenic differentiation of hMSCs. MATERIALS AND METHODS The effect of ZA and GGOH on MSCs was investigated in addition to the effect of low doses of ZA on osteogenic differentiation of MSCs and analysed by WST-1, Live/Dead staining and coefficient of drug index (CDI). The osteogenic differentiation of the cells was confirmed by ALP activity, xylenol orange and alizarin red staining, microarray and PCR with levels of statistical significance indicated at *P<0.05, **P<0.01 and ***P<0.0001. MAIN FINDINGS Although, high concentration of ZA had significantly decreased the cell viability in MSCs, GGOH reversed the action of ZA on the cells while at very high concentration; it caused severe reduction in the cell viability. CDI showed antagonism or synergism depending on the concentrations of ZA and GGOH. CONCLUSION The treatment of cells with ZA has increased the mineralization and osteogenic differentiation of MSCs. Our study supported the hypothesis that zoledronic acid plays a bifunctional role depending on the concentration.
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Affiliation(s)
- R Fliefel
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany; Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany; Department of Oral and Maxillofacial Surgery, Alexandria-University, Champollion Street, 21500 Alexandria, Egypt.
| | - A El Ashwah
- Department of Oral and Maxillofacial Surgery, Alexandria-University, Champollion Street, 21500 Alexandria, Egypt
| | - S Entekhabi
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany
| | - J Kumbrink
- Institute of Pathology, Medical Faculty, Ludwig-Maximilians-University, 36,Thalkirchner street, 80337 Munich Germany
| | - M Ehrenfeld
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - S Otto
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany; Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany
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