Sutezolid (PNU-100480)
(Synonyms: PNU-100480; U-100480; PF-02341272) 目录号 : GC33918
An oxazolidinone antibiotic
Cas No.:168828-58-8
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >99.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
PNU 100480 is an oxazolidinone antibiotic that is active against multidrug resistant tuberculosis.1 It inhibits the growth of M. tuberculosis replicating and nonreplicating strains (MIC = ~400 ng/ml for both) and of clinical isolates that are susceptible or resistant to a combination of isoniazid , rifampin , ethambutol , and streptomycin .1,2 It also inhibits the growth of P. insidiosum and P. aphanidermatum clinical isolates (MICs = 4-64 μg/ml).3 PNU 100480 (100 mg/kg per day) decreases the number of colony forming units (CFU) in the lung in a mouse model of systemic nonreplicating M. tuberculosis infection.2
1.Alffenaar, J.W., van der Laan, T., Simons, S., et al.Susceptibility of clinical Mycobacterium tuberculosis isolates to a potentially less toxic derivate of linezolid, PNU-100480Antimicrob. Agents Chemother.55(3)1287-1289(2011) 2.Zhang, M., Sala, C., Dhar, N., et al.In vitro and in vivo activities of three oxazolidinones against nonreplicating Mycobacterium tuberculosisAntimicrob. Agents Chemother.58(6)3217-3223(2014) 3.Loreto, E.S., Tondolo, J.S.M., Oliveira, D.C., et al.In vitro activities of miltefosine and antibacterial agents from the macrolide, oxazolidinone, and pleuromutilin classes against Pythium insidiosum and Pythium aphanidermatumAntimicrob. Agents Chemother.62(3)e01678-01617(2018)
| Cas No. | 168828-58-8 | SDF | |
| 别名 | PNU-100480; U-100480; PF-02341272 | ||
| Canonical SMILES | O=C(O[C@H]1CNC(C)=O)N(C1)C2=CC(F)=C(N3CCSCC3)C=C2 | ||
| 分子式 | C16H20FN3O3S | 分子量 | 353.41 |
| 溶解度 | DMSO : 50 mg/mL (141.48 mM) | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 2.8296 mL | 14.1479 mL | 28.2957 mL |
| 5 mM | 0.5659 mL | 2.8296 mL | 5.6591 mL |
| 10 mM | 0.283 mL | 1.4148 mL | 2.8296 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Mycobactericidal activity of Sutezolid (PNU-100480) in sputum (EBA) and blood (WBA) of patients with pulmonary tuberculosis
PLoS One 2014 Apr 14;9(4):e94462.PMID:24732289DOI:10.1371/journal.pone.0094462.
Rationale: Sutezolid (PNU-100480) is a linezolid analog with superior bactericidal activity against Mycobacterium tuberculosis in the hollow fiber, whole blood and mouse models. Like linezolid, it is unaffected by mutations conferring resistance to standard TB drugs. This study of sutezolid is its first in tuberculosis patients. Methods: Sputum smear positive tuberculosis patients were randomly assigned to sutezolid 600 mg BID (N = 25) or 1200 mg QD (N = 25), or standard 4-drug therapy (N = 9) for the first 14 days of treatment. Effects on mycobacterial burden in sputum (early bactericidal activity or EBA) were monitored as colony counts on agar and time to positivity in automated liquid culture. Bactericidal activity was also measured in ex vivo whole blood cultures (whole blood bactericidal activity or WBA) inoculated with M. tuberculosis H37Rv. Results: All patients completed assigned treatments and began subsequent standard TB treatment according to protocol. The 90% confidence intervals (CI) for bactericidal activity in sputum over the 14 day interval excluded zero for all treatments and both monitoring methods, as did those for cumulative WBA. There were no treatment-related serious adverse events, premature discontinuations, or dose reductions due to laboratory abnormalities. There was no effect on the QT interval. Seven sutezolid-treated patients (14%) had transient, asymptomatic ALT elevations to 173±34 U/L on day 14 that subsequently normalized promptly; none met Hy's criteria for serious liver injury. Conclusions: The mycobactericidal activity of sutezolid 600 mg BID or 1200 mg QD was readily detected in sputum and blood. Both schedules were generally safe and well tolerated. Further studies of sutezolid in tuberculosis treatment are warranted. Trial registration: ClinicalTrials.gov NCT01225640.
SQ109 and PNU-100480 interact to kill Mycobacterium tuberculosis in vitro
J Antimicrob Chemother 2012 May;67(5):1163-6.PMID:22258923DOI:10.1093/jac/dkr589.
Objectives: To investigate in vitro interaction between two compounds, SQ109 and PNU-100480, currently in development for the treatment of Mycobacterium tuberculosis (MTB). Methods: The two-drug interactions between SQ109 and PNU-100480 and its major metabolite PNU-101603 were assessed by chequerboard titration, and the rate of killing and intracellular activity were determined in both J774A.1 mouse macrophages and whole blood culture. Results: In chequerboard titration, interactions between SQ109 and either oxazolidinone were additive. In time-kill studies, SQ109 killed MTB faster than PNU compounds, and its rate of killing was further enhanced by both oxazolidinones. The order of efficacy of single compounds against intracellular MTB was SQ109 > PNU-100480 > PNU-101603. At sub-MIC, combinations of SQ109 + PNU compounds showed improved intracellular activity over individual drugs; at ≥MIC, the order of efficacy was SQ109 > SQ109 + PNU-100480 > SQ109 + PNU-101603. In whole blood culture, the combined bactericidal activities of SQ109 and PNU-100480 and its major metabolite against intracellular M. tuberculosis did not differ significantly from the sum of the compounds tested individually. Conclusions: SQ109 and PNU combinations were additive and improved the rate of MTB killing over individual drugs. These data suggest that the drugs may work together cooperatively to eliminate MTB in vivo.
Population pharmacokinetic/pharmacodynamic analysis of the bactericidal activities of Sutezolid (PNU-100480) and its major metabolite against intracellular Mycobacterium tuberculosis in ex vivo whole-blood cultures of patients with pulmonary tuberculosis
Antimicrob Agents Chemother 2014 Jun;58(6):3306-11.PMID:24687496DOI:10.1128/AAC.01920-13.
Sutezolid (PNU-100480 [U-480]) is an oxazolidinone antimicrobial being developed for the treatment of tuberculosis. An active sulfoxide metabolite (PNU-101603 [U-603]), which reaches concentrations in plasma several times those of the parent, has been reported to drive the killing of extracellular Mycobacterium tuberculosis by sutezolid in hollow-fiber culture. However, the relative contributions of the parent and metabolite against intracellular M. tuberculosis in vivo are not fully understood. The relationships between the plasma concentrations of U-480 and U-603 and intracellular whole-blood bactericidal activity (WBA) in ex vivo cultures were examined using a direct competitive population pharmacokinetic (PK)/pharmacodynamic 4-parameter sigmoid model. The data set included 690 PK determinations and 345 WBA determinations from 50 tuberculosis patients enrolled in a phase 2a sutezolid trial. The model parameters were solved iteratively. The median U-603/U-480 concentration ratio was 7.1 (range, 1 to 28). The apparent 50% inhibitory concentration of U-603 for intracellular M. tuberculosis was 17-fold greater than that of U-480 (90% confidence interval [CI], 9.9- to 53-fold). Model parameters were used to simulate in vivo activity after oral dosing with sutezolid at 600 mg twice a day (BID) and 1,200 mg once a day (QD). Divided dosing resulted in greater cumulative activity (-0.269 log10 per day; 90% CI, -0.237 to -0.293 log10 per day) than single daily dosing (-0.186 log10 per day; 90% CI, -0.160 to -0.208 log10 per day). U-480 accounted for 84% and 78% of the activity for BID and QD dosing, respectively, despite the higher concentrations of U-603. Killing of intracellular M. tuberculosis by orally administered sutezolid is mainly due to the activity of the parent compound. Taken together with the findings of other studies in the hollow-fiber model, these findings suggest that sutezolid and its metabolite act on different mycobacterial subpopulations.
Promising antituberculosis activity of the oxazolidinone PNU-100480 relative to that of linezolid in a murine model
Antimicrob Agents Chemother 2009 Apr;53(4):1314-9.PMID:19075058DOI:10.1128/AAC.01182-08.
Oxazolidinone antibiotics have activity against Mycobacterium tuberculosis. Linezolid, the only marketed oxazolidinone, has been used off-label in combination regimens to treat multidrug-resistant tuberculosis, but its precise contribution to the efficacy of such combinations is unclear. Another oxazolidinone, PNU-100480, has been demonstrated to have more potent activity in vitro and in a murine model of tuberculosis. In this study, we compared the pharmacokinetics and the antituberculosis activities of these two oxazolidinones over a range of doses and found that linezolid has limited activity at clinically relevant doses in the murine model compared to that of PNU-100480, which has potent bactericidal activity, even at lower drug exposures. These findings were unexpected, given the similar in vitro activities of PNU-100480, its major metabolites, and linezolid. Moreover, the incorporation of PNU-100480 dramatically improved the bactericidal activities of regimens containing current first-line antituberculosis drugs and moxifloxacin. For example, the addition of PNU-100480 (100 mg/kg of body weight/day) to the standard daily regimen of rifampin (rifampicin), isoniazid, and pyrazinamide resulted in an additional 2.0-log(10)-unit reduction in lung CFU counts during the first 2 months of treatment. The combination of PNU-100480, moxifloxacin, and pyrazinamide, which does not contain either rifampin or isoniazid, was also more active than rifampin, isoniazid, and pyrazinamide. These results suggest that PNU-100480 may have the potential to significantly shorten the duration of therapy for drug-susceptible as well as multidrug-resistant tuberculosis.
Rapid evaluation in whole blood culture of regimens for XDR-TB containing PNU-100480 (Sutezolid), TMC207, PA-824, SQ109, and pyrazinamide
PLoS One 2012;7(1):e30479.PMID:22279595DOI:10.1371/journal.pone.0030479.
There presently is no rapid method to assess the bactericidal activity of new regimens for tuberculosis. This study examined PNU-100480, TMC207, PA-824, SQ109, and pyrazinamide, singly and in various combinations, against intracellular M. tuberculosis, using whole blood culture (WBA). The addition of 1,25-dihydroxy vitamin D facilitated detection of the activity of TMC207 in the 3-day cultures. Pyrazinamide failed to show significant activity against a PZA-resistant strain (M. bovis BCG), and was not further considered. Low, mid, and high therapeutic concentrations of each remaining drug were tested individually and in a paired checkerboard fashion. Observed bactericidal activity was compared to that predicted by the sum of the effects of individual drugs. Combinations of PNU-100480, TMC207, and SQ109 were fully additive, whereas those including PA-824 were less than additive or antagonistic. The cumulative activities of 2, 3, and 4 drug combinations were predicted based on the observed concentration-activity relationship, published pharmacokinetic data, and, for PNU-100480, published WBA data after oral dosing. The most active regimens, including PNU-100480, TMC207, and SQ109, were predicted to have cumulative activity comparable to standard TB therapy. Further testing of regimens including these compounds is warranted. Measurement of whole blood bactericidal activity can accelerate the development of novel TB regimens.