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Office
200 Hawkins Dr
Iowa City, IA 52242Phone+1 319-356-1828Fax+1 319-356-7171
Education & Training
- University of Iowa Hospitals and ClinicsFellowship, Allergy and Immunology, 1977 - 1980
- SSM Health/Saint Louis University School of MedicineResidency, Pediatrics, 1974 - 1975
- SSM Health/Saint Louis University School of MedicineInternship, Internal Medicine, 1973 - 1974
- Medical College of WisconsinClass of 1973
Certifications & Licensure
- IA State Medical License 1977 - 2021
- AR State Medical License 1973 - 2019
- American Board of Allergy and Immunology Allergy & Immunology
- American Board of Pediatrics Pediatrics
Clinical Trials
- OPTIMIZing Treatment for Early Pseudomonas Aeruginosa Infection in Cystic Fibrosis Start of enrollment: 2014 Jun 01
- Study of Cavosonstat (N91115) in Patients With CF Homozygous for the F508del-CFTR Mutation Start of enrollment: 2015 Nov 01
Publications & Presentations
PubMed
- 1 citationsA Dose-Response Study Examining the Use of Methacholine Challenge to Demonstrate Local Therapeutic Equivalence of the Salmeterol Component of Generic Inhaled Fluticaso...Richard Allan, Scott Haughie, Richard C. Ahrens, Sachinkumar B. Singh, Jon Ward
Journal of Aerosol Medicine and Pulmonary Drug Delivery. 2019-12-05 - 1 citationsEffect of Study Design on Sample Size in Studies Intended to Evaluate Bioequivalence of Inhaled Short-Acting β-Agonist FormulationsYaohui Zeng, Sachinkumar B. Singh, Kai Wang, Richard C. Ahrens
Journal of Clinical Pharmacology. 2018-04-01 - 160 citationsAirway microbiota across age and disease spectrum in cystic fibrosisEdith T. Zemanick, Brandie D. Wagner, Charles E. Robertson, Richard C. Ahrens, James F. Chmiel
The European Respiratory Journal. 2017-11-01
Grant Support
- Ultrase MT20 For Correction Of Steatorrhea In Patients With Cystic FibrosisNational Center For Research Resources2007
- Tiotropium Bromide Administered VIA The Respimat Device In CF PatientsNational Center For Research Resources2007
- Genetic Modifiers Of Cystic Fibrosis: Sibling StudyNational Center For Research Resources2007
- Eurand Pancreatic Enzyme Product Microtabs In Pediatric CF PatientsNational Center For Research Resources2007
- Eruand Pancreatic Enzyme Product (PEP) In Patients With Cystic FibrosisNational Center For Research Resources2007
- Aztreonam Lysinate In CF Patients With Pulmonary Pneumonia AeruginosaNational Center For Research Resources2007
- Antimicrobial Therapy For New Onset Pseudomonas Aeruginosa Airway InfectionNational Center For Research Resources2006–2007
- Standard Versus Biofilm Susceptibility Testing In Cystic FibrosisNational Center For Research Resources2005–2007
- Multicenter Investigation Of Genetic Modifier In CF Lung Or Liver Disease StudyNational Center For Research Resources2005–2007
- Induced Sputum To Evaluate Anti-Inflammatory Agents In CF PatientsNational Center For Research Resources2006
- Oral Theraclec-Total In Cystic Fibrosis SubjectsNational Center For Research Resources2005
- Biil 284 Bs In Adult And Pediatric Cystic Fibrosis PatientsNational Center For Research Resources2005
- Oral Theraclec To Treat Cystic FibrosisNational Center For Research Resources2004
- Biil 284 Bs In Adult And Pediatric Cystic FibrosisNational Center For Research Resources2004
- Aztreonam For Inhalation In Subjects W/ Cystic FibrosisNational Center For Research Resources2004
- Trial Of Ib-367 In Adult Patients With Cystic FibrosisNational Center For Research Resources2000–2002
- Elastase In BAL Fluid W Tg-Haat Treated Cystic FibrosisNational Center For Research Resources2000–2002
- Oral Multidose CPX In Adult Patients W/ Cystic FibrosisNational Center For Research Resources1999–2002
- Phase I Trial Of CPX In Adults With Mild Cystic FibrosisNational Center For Research Resources1998–2000
- Albuterol By DRY Powder Inhaler &Pressurized Metered Dose Ventolin InhalerNational Center For Research Resources1998–2000
- Dose Response Curve For Beclomethasone Dipropionate In AsthmaNational Center For Research Resources1996–1997
- Bronchoprovocation With Histamine For Bioequivalence Determination Of AlbuterolNational Center For Research Resources1996–1997
- Clinical Parameters For Establishing Dose Response Curves For CorticosteroidsNational Center For Research Resources1996
- Glucocorticoids To Treat Bronchopulmonary DysplasiaNational Center For Research Resources1992–1996
- The Albuterol Dose-Fev1 Response Curve In Subjects With AsthmaNational Center For Research Resources1992–1993
- Pharmacokinetic Evaluation Of A Slow Release Theophylline Tablet In ChildrenNational Center For Research Resources1992–1993
- Comparison Of Beta-2 Agonists Using Bronchial Provocation With HistamineNational Center For Research Resources1992–1993
- Tolerance To Inhaled BETA2 AgonistsNational Center For Research Resources1992
- The Effect Of Inhaled Nedocromil On Airway Response To Inhaled AlbuterolNational Center For Research Resources1992
- Effects Of Nedocromil On Airway Response To Inhaled AlbuterolNational Center For Research Resources1992
- Effects Of Oral Azelastine On Airway Responisvieness To HistamineNational Center For Research Resources1990
- Effects Of Inhaled Fluticasone Proprionate Versus Placebo In Adult AsthmaticsNational Center For Research Resources1990
- Comparison Of Beta-2 Agonists Using Bronchial Provocation With Histamine (HumanNational Center For Research Resources1990
- Mechanism Of Histamine Induced BronchospasmNational Center For Research Resources1985
- Development Of Tolerance For MetaproterenolNational Center For Research Resources1985
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