Chavez-Eng C - Search Results

1

Disposition and pharmacokinetics of the antimigraine drug, rizatriptan, in humans.

Vyas KP, Halpin RA, Geer LA, Ellis JD, Liu L, Cheng H, Chavez-Eng C, Matuszewski BK, Varga SL, Guiblin AR, Rogers JD. Vyas KP, et al. Drug Metab Dispos. 2000 Jan;28(1):89-95. Drug Metab Dispos. 2000. PMID: 10611145

2

Picogram determination of a novel dopamine D4 receptor antagonist in human plasma and urine by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry.

Chavez-Eng CM, Constanzer ML, Matuszewski BK. Chavez-Eng CM, et al. J Chromatogr B Biomed Sci Appl. 1997 Mar 28;691(1):77-85. doi: 10.1016/s0378-4347(96)00395-7. J Chromatogr B Biomed Sci Appl. 1997. PMID: 9140760

3

Determination of a novel growth hormone secretagogue (MK-677) in human plasma at picogram levels by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry.

Constanzer ML, Chavez-Eng CM, Matuszewski BK. Constanzer ML, et al. J Chromatogr B Biomed Sci Appl. 1997 May 23;693(1):131-7. doi: 10.1016/s0378-4347(97)00035-2. J Chromatogr B Biomed Sci Appl. 1997. PMID: 9200526

4

Matrix effect in quantitative LC/MS/MS analyses of biological fluids: a method for determination of finasteride in human plasma at picogram per milliliter concentrations.

Matuszewski BK, Constanzer ML, Chavez-Eng CM. Matuszewski BK, et al. Anal Chem. 1998 Mar 1;70(5):882-9. doi: 10.1021/ac971078+. Anal Chem. 1998. PMID: 9511465

5

Determination of a novel selective inhibitor of type 1 5alpha-reductase in human plasma by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry.

Constanzer ML, Chavez-Eng CM, Matuszewski BK. Constanzer ML, et al. J Chromatogr B Biomed Sci Appl. 1998 Aug 25;713(2):371-8. doi: 10.1016/s0378-4347(98)00201-1. J Chromatogr B Biomed Sci Appl. 1998. PMID: 9746252 Clinical Trial.

6

Development of high-performance liquid chromatography-tandem mass spectrometric methods for the determination of a new oxytocin receptor antagonist (L-368,899) extracted from human plasma and urine: a case of lack of specificity due to the presence of metabolites.

Matuszewski BK, Chavez-Eng CM, Constanzer ML. Matuszewski BK, et al. J Chromatogr B Biomed Sci Appl. 1998 Sep 25;716(1-2):195-208. doi: 10.1016/s0378-4347(98)00317-x. J Chromatogr B Biomed Sci Appl. 1998. PMID: 9824233

7

Determination of a cyclic hexapeptide, a novel antifungal agent, in human plasma by high-performance liquid chromatography with ion spray and turbo ion spray tandem mass spectrometric detection.

Chavez-Eng CM, Schwartz M, Constanzer ML, Matuszewski BK. Chavez-Eng CM, et al. J Chromatogr B Biomed Sci Appl. 1999 Jan 22;721(2):229-38. doi: 10.1016/s0378-4347(98)00447-2. J Chromatogr B Biomed Sci Appl. 1999. PMID: 10052695

8

Determination of rofecoxib (MK-0966), a cyclooxygenase-2 inhibitor, in human plasma by high-performance liquid chromatography with tandem mass spectrometric detection.

Chavez-Eng CM, Constanzer ML, Matuszewski BK. Chavez-Eng CM, et al. J Chromatogr B Biomed Sci Appl. 2000 Oct 1;748(1):31-9. doi: 10.1016/s0378-4347(99)00565-4. J Chromatogr B Biomed Sci Appl. 2000. PMID: 11092584

9

Determination of a thermally labile metabolite of a novel growth hormone secretagogue in human and dog plasma by liquid chromatography with ion spray tandem mass spectrometric detection.

Constanzer M, Chavez-Eng C, Matuszewski B. Constanzer M, et al. J Chromatogr B Biomed Sci Appl. 2001 Aug 25;760(1):45-53. doi: 10.1016/s0378-4347(01)00248-1. J Chromatogr B Biomed Sci Appl. 2001. PMID: 11522065

10

Mechanistic studies on the reversible metabolism of rofecoxib to 5-hydroxyrofecoxib in the rat: evidence for transient ring opening of a substituted 2-furanone derivative using stable isotope-labeling techniques.

Baillie TA, Halpin RA, Matuszewski BK, Geer LA, Chavez-Eng CM, Dean D, Braun M, Doss G, Jones A, Marks T, Melillo D, Vyas KP. Baillie TA, et al. Drug Metab Dispos. 2001 Dec;29(12):1614-28. Drug Metab Dispos. 2001. PMID: 11717181

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