Faculty & Staff Details
![]() |
Name: | Richard Leff, Pharm.D., FCCP |
| Position: | Professor and Regional Dean, Clinical Sciences & Research Division, Dallas SW | |
| Email: | richard.leff@ttuhsc.edu | |
| Bio | Dr. Leff is Professor and Regional Dean for the Dallas / Fort Worth Metroplex Campus. He is responsible for planning, daily operations, and mentoring of faculty. Dr. Leff earned his BS in Pharmacy from Creighton University, PharmD from the University of Minnesota, and received postgraduate training in pediatric clinical pharmacology at the University of Iowa. |
Education:
1966-1970 Northern Illinois University DeKalb, Illinois B.S. in Education, June, 1970 1970-1973 Creighton University, Omaha, Nebraska B.S. in Pharmacy, May, 1973 1973-1975 University of Minnesota Minneapolis, Minnesota Doctor of Pharmacy, June, 1975
Licensures:
Iowa June, 1977 License #15104 Inactive
Kansas July, 1989 License #11334 Inactive
Minnesota April, 1974 License #11889 Active
Nebraska June, 1973 License #8319 Inactive
Texas June, 1975 License #21713 Active
Awards:
Distinguished Military Graduate, 1973
Rho Chi Pharmaceutical Honor Society, 1975
Bronze Award, Scientific Exhibit, "Methods for Intravenous Drug
Administration in the Pediatric Patient," American Academy of Pediatrics
Anniversary Meeting, Detroit, October, 1980.
Alfred and Dorothy Mannino Faculty Fellowship, 1986.
Fellow, American College of Clinical Pharmacy, 1990 (elected).
Research Interests:
Dr. Leff is noted for his teaching and research in clinical pharmacology, drug delivery, and medical device and pharmaceutical development in infants and children. He is the author of over 100 publications and book chapters. His work has resulted in improved drug therapy in infants and children, and development of novel medical devices and pediatric pharmaceuticals.
Practice Focus:
Dr. Leff is Director of the Pediatric Pharmacology Research & Development Center located at Children’s Medical Center Dallas. The Center is one of four ‘Centers for Research Excellence’ in the School of Pharmacy. The mission of the Center is to provide pharmaceutical expertise to support preclinical and clinical trials for development of medical devices and pharmaceuticals in infants and children, and provide a robust teaching environment for clinical and translational research.
Professional Service:
Dr. Leff has served many professional organizations including the American Society of Health-System Pharmacists, American Association of Colleges of Pharmacy, American College of Clinical Pharmacy, Licensing Executives Society, and the Society for Pediatric Research. He has served the United States Pharmacopeia Expert Advisory Panel on Pediatrics for over 10 years.
Publications:
Refereed Publications
1. Yakatan J, Smith R, Leff R and Kay J: Effect of Exchange Transfusions on Drug Elimination in Neonates, Clin. Pharmacol. Ther., 24:90-94, 1978.
2. Leff R, Helling D, Smith F and Probasco R: Profile of a Unique Community-Based Clinical Pharmacy Family Practice Program, Comtemp. Pharm. Pract., 4:223-226, 1981.
3. Leff R and Roberts R: Methods for Intravenous Drug Administration in the Pediatric Patient, J. Pediatr., 98:631-635, 1981.
4. Leff R and Roberts R: Aminoglycoside Dosage in Pediatric Patients: Considerations Regarding Pharmacokinetic-Based Dose Adjustment in Patients Requiring High Versus Low Dose Therapy, Dev. Pharmacol. Ther., 3:242-250, 1981.
5. Leff R and Roberts R: Effect of Intravenous Fluid and Drug Solution Coadministration on Final Infusate Osmolality, Specific Gravity, and pH, Am. J. Hosp. Pharm., 39:468-71, 1982.
6. Le Frock J, Prince R, and Leff R: Cefotaxime, Pharmacotherapy, 2:174-184, 1982.
7. Leff R and Roberts R: Host Factors Controlling Response to Antimicrobial Therapy, Pediatr. Cl. No. Amer., 30:93-101, 1983.
8. Leff RD: Intravenous Administration of Medications to the Pediatric Patient, NITA J., 6:255-258, 1983.
9. Leff RD, Andersen RD, and Roberts RJ: Prospective Evaluation of a Simplified Nomogram for Gentamicin Dosing in Neonates, Pediatr. Inf. Dis., 3:208-212, 1984.
10. Gibson JS, Leff RD, and Roberts RJ: Effects of Intravenous Delivery Systems on Infused Red Blood Cells, Amer. J. Hosp. Pharm., 41:468-472, 1984.
11. Veerman MW, Leff RD, and Roberts RJ: Influence of the IMED 960/965 Delivery System on the Hemolysis of Infused Red Blood Cells, Amer. J. Hosp. Pharm., 42:626-628, 1985.
12. Leff RD, Johnson GF, Erenberg A, and Roberts RJ: Evaluation of an Extension Set for Intermittent Intravenous Drug Delivery to Infants. Amer. J. Hosp. Pharm., 42:1358-1362, 1985.
13. Geater R, Leff RD, and Roberts RJ: Factors Affecting Drug Delivery from a Syringe-Pump Delivery Set. Amer. J. Hosp. Pharm., 42:2510-2513, 1985.
14. McClendon CE, Leff RD, and Clark EB: Postpericardiotomy Syndrome.Drug Intell. Clin. Pharm., 20:20-24, 1986.
15. Leff RD, Fischer LJ, and Roberts RJ: Phenytoin Metabolism in Infants Following Intravenous and Oral Administration. Dev. Pharmacol. Ther., 9:217-223, 1986.
16. Leff RD, Holstad SG, Kubajak CAM, and Roberts RJ: Altered Drug Infusion Rates During Syringe-Pump Infusion. Amer. J. Hosp. Pharm., 43:2241-2242, 1986.
17. Leff RD and Roberts RJ: Problems in Drug Therapy for Pediatric Patients. Amer. J. Hosp. Pharm., 44:865-870, 1987.
18. Leff RD, True WR, and Roberts RJ: A Gravimetric Technique for Evaluating Flow Continuity from Two Infusion Devices. Amer. J. Hosp. Pharm., 44:1388-1391, 1987.
19. Kubajak CAM, Leff RD, and Roberts RJ: Influence of Physical Characteristics of Intravenous Systems on Drug Delivery. Dev. Pharmacol. Ther., 11:189-195,1988.
20. Leff RD: Features of I.V. Devices and Equipment That Affect I.V. Drug Delivery. Amer. J. Hosp. Pharm., 44:2530-3, 1987.
21. Leff RD and Roberts RJ: Enteral Drug Administration Practices: Report of a Preliminary Survey. Pediatr., 81:549-51, 1988.
22. Bussey HI, Comstock T, Foster T, Campbell RK, Elliott DP, Leff RD, and Nappi J: A Survey of ACCP Membership Regarding the Entry Degree to the Profession of Pharmacy. Drug Intell. Clin. Pharm., 21:537-541, 1987.
23. Roberts RJ and Leff RD: The Influence of Absorbable and Nonabsorbable Dietary Lipids and Lipid-like Substances on Drug Bioavailability. Clin. Pharmacol. Ther., 45:299-304, 1989.
24. Leff RD and Stull JC: Accuracy, Continuity, and Pattern of Flow from Five Macrorate Infusion Pumps. Amer. J. Hosp. Pharm., 45:361-365, 1988.
25. Stull JC, Erenberg A, and Leff RD: Flow Rate Variability From Electronic Infusion Devices. Crit. Care Med., 16:888-91;1988.
26. Farrington EA, Stull JC, and Leff RD: Flow Rate Variability From Selected Syringe and Mobile Infusion Pumps. Drug Intell. Clin. Pharm., 1988;22:687-690.
27. Stull JC, Schneider PJ, Erenberg A, and Leff RD: Decreased Flow Accuracy from Volumetric Infusion Pumps. Crit. Care Med. 17:926-8, 1989.
28. Scott S, Erenberg A, and Leff RD: A Comparison of Infusion Pump Performance Characteristics. Int Pharm J. 5:162-4, 1991.
29. Hurlbut JC, Thompson S, Reed MR, Blumer JL, Erenberg A, and Leff RD: Influence of Infusion Pumps on the Pharmacologic Response to Nitroprusside. Crit Care Med., 19:98-101, 1991.
30. Farrington EA, McGuinness GA, Johnson GF, Erenberg A, and Leff RD: Continuous Intravenous Morphine Infusion in Postoperative Newborn Infants. Amer J Perinatol, 10:84-7, 1993.
31. Klem SA, Farrington JS, and Leff RD: Influence of Infusion Pump Operation on Hemodynamic Stability During Epinephrine Infusion. Crit Care Med, 21:1213-7, 1993
32. Leonard TS, Klem SA, and Leff RD: Influence of Postoperative Pain on ?-Endorphins: A Pharmacodynamic Model. Pharmacotherapy, 13:378-81, 1993.
33. Strayer AH, Henry DW, Erenberg A, and Leff RD: Effective Administration of Whole Blood, Packed Red Blood Cells, and Platelets Using a Multipurpose Infusion Pump. Amer J Hosp Pharm, 48:1970-2, 1991.
34. Weatherstone KB and Leff RD: Intravenous Drug Delivery Considerations for Newborn Infants. Sem Perinatol, 16:41-6, 1992.
35. Weatherstone KB, Rasmussen LB, Erenberg A, and Leff RD: Safety and Efficacy of Topical Anesthesia for Circumcision. Pediatr, 92:1-5, 1993.
36. Seguin JH, Erenberg A, Leff RD: Safety and Efficacy of Sufentanil in the Ventilated Infant.
Neonatal Network, 13:37-40, 1994.
37. Henry DW, Marchall DW, Nazarro D, Fox JL, Leff RD: Stability of Cisplatin and Ondansetron Hydrochloride in Admixtures for Continuous Infusion. Amer J Health-Syst Pharm, 52:2570-3, 1995.
38. Wunder A, Leff RD. Fever. Hosp Pharm. 30:736-9, 1995.
39. Schulz PR, Shaw PK, Leff RD: Plasticizer Extraction from Polyvinyl Chloride Infusion Sets and Bags. Amer J Health-Syst Pharm, 1996.
40. Coley SC, Shaw PK, Leff RD: Performance of three portable infusion-pump devices set to
delivery 2 mL/hr. Am J Health-Sys Pharm, 54:1277-80, 1997.
41. Braun T, Shaw PR, Liebergen A, Leff R: Aerosolized Tobramycin Pharmacokinetics in Cystic Fibrosis Patients. J Pediatr Pharm Prac, 2:23-6, 1997.
42. Johnson AH, Lloyd TR, Victoria BE, Zales VR, Epstein ML, Leff RD, Ardinger RH, Slovis
TL, Johnsn JA, Marsters PA: Pharmacokinetics of Iodixanol, An Iodinated Contrast Agent, In Children: A Phase I Multicenter Trial. Pediatr Cardiol 22 (3):223-7, 2001
43. Erenberg A, Leff RD, Haack DG, Mosdell KW, Hicks GM, Wynne BA, The Caffeine Citrate
Study Group. Caffeine Citrate for the Treatment of Apnea of Prematurity: A Double-Blind Placebo-Controlled Study. Pharmacother 20 (6):644-52, 2000.
44. Leff RD, Cho CT, Reed MD. Safety and Efficacy of Trimethoprim Hydrochloride Solution
for the treatment of Children with Otitis Media. J Pediatr Pharm Prac 3:33-9, 1998.
45. Blanchard N, Primovic J, Leff RD. Compliance with Pediatric Medications. J Pediatr
Pharm Prac. 4:181-5, 1999.
46. Earl RA, Erenberg A, Hicks GM, Leff RD. Evaluation of Routine Methods for the
Measurement of Caffeine in Human Plasma. J Pediatr Pharm Prac 5:35-8, 2000.
47. Leff RD. COPD: Clinical Significance of Early Diagnosis. J Man Care Pharm.
11:S8-11,2005.
48. Treadway A, Craddock D, Leff RD. A Descriptive Survey of Extemporaneous Compounding Pharmacy Practices. American Journal of Health-Systems Pharmacy 2007;64:1403-9.
49. Busti AJ, Bain AM, Hall RG, Bedimo R, Leff RD, MeekC, Mehvar R. Effects of atazanavir/ritonavir or fosamprenavir/ritonavir on the pharmacokinetics of rosuvastatin. J Cardiovasc Pharmacol 2008;51(6):605-10.
50. Hall R, Foslien-Nash C, Singh D, Zeiss R, Party R, Leff RD. A Formalized Teaching, Practice, and Research Partnership with the Veterans Affairs North Texas Health Care System: A Model for Advancing Academic Partnerships. Amer I Pharm Educ. 73(8):1-6, 2009.
51. Haase M, Robles J, Parker T, Leff RD, Giacoia G. Evaluation of Dosage From Information Provided in Pediatric Drug Trials. Intl J Pharm Compounding, 13(1):14-8, 2009.
52. Hall RG, Leff RD, Gumbo T. Treatment of Active Pulmonary Tuberculosis in Adults: Current Standards and Recent Advances. Pharmacother. 29(12):1468-81, 2009.
53. Dowling TC, Murphy JE, Kalus JS, Nkansak NT, Chappell JS, Wiederhold NP, Beringer P, Crews KR, Grabinski JL, Evens RP, Leff R. Recommended Education for Pharmacists as Competitive Clinical Scientists. Pharmacother. 29:236-44, 2009.
54. Gumbo T, Siyambalapitiyage Dona C, Meek C, Leff RD. Pharmacokinetics-Pharmacodynamics of Pyrazinamiede in a Novel In Vitro Model of Tberculosis for Sterilizing Effect: A Paradigm for Faster Assessment of New Antituberlosis Agents. Antimicrob Agents Chemother. 53:3197-3204, 2009.
55. Deshpande D, Srivastaqva S, Meek C, Leff R, Gumbo T. Ethambutol Optimal Clinical Dose and Susceptibility Breakpoint Identification By Use of A Novel Pharmacokinetic-Pharmacodynamic Model of Disseminated Intracellular Mycobacterium avium. Antimicrob Agents Chemother. 54:1728-33, 2010
56. Srivastava S, Musuka S, Sherman C, Meek C, Leff R, Gumbo T. Efflux-Pump Derived Multiple Drug Resistance to Ethambutol Monotherapy in Mycobacterium tuberculosis and Ethambutol Pharmacokinetics-Pharmacodynamics. J Inf Dis. 201:1225-1231, 2010.
57. Feld JJ, Lutzman GA, Heller T, Hara K, Pfeiffer JK, Leff RD, Meek C, Rivera M, Ko M, Koh C, Rotman Y, Ghany MG, Haynes-Williams V, Neumann AU, Liang J, Hoofnagle JH. The effect of ribavirin on early viral kinetics in chronic hepatitis C infection: Clues to the mechanism of action. Gastroenterol. 139:154-62, 2010.
58. Tagliabue C, Techasaensiri C, Torres, JP, Katz K, Meek C, Kannan TR, Coalson JJ, Esposito S, Principi N, Leff R, Baseman JB, Hardy RD. Efficacy of Increasing Dosages of Clarithromycin for Treatment of Experimental Mycoplasma pneumoniae Pneumonia. Antimicrob Agents Chemother. Submitted, 2010.
