| NCT Number | Conditions | Interventions | Sponsor/Collaborators | Phases | Start Date | Last Updated |
| NCT01311336 | Pegfilgrastim-induced Back and Leg Pain | Drug: Loratadine|Drug: placebo | University of Vermont|Cancer and Leukemia Group B | Phase 2 | 2011-05-01 | 2013-01-23 |
| NCT02593747 | Histamine H1 Antagonists, Non-Sedating | Drug: Loratadine oral solution|Drug: Loratadine (Claritin peach syrup) | Bayer | Phase 1 | 2015-12-01 | 2017-02-10 |
| NCT02305979 | Leukemia|Lymphoma | Drug: Loratadine | Wake Forest University Health Sciences | | 2014-12-01 | 2017-02-20 |
| NCT00963573 | Rhinitis | Drug: Loratadine|Drug: Betamethasone | Merck Sharp & Dohme Corp. | Phase 4 | 2003-09-01 | 2015-04-20 |
| NCT00837915 | Healthy | Drug: Loratadine 10mg /Pseudoephedrine Sulfate 240 mg Extended-Release Tablets | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2002-06-01 | 2009-02-05 |
| NCT00730912 | Perennial Allergic Rhinitis | Drug: loratadine|Drug: loratadine|Drug: loratadine | Merck Sharp & Dohme Corp. | Phase 4 | 2008-06-01 | 2015-09-01 |
| NCT00845546 | Healthy | Drug: 10 mg Loratadine/240 mg Pseudoephedrine Sulfate Extended-Release Tablets | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2002-06-01 | 2009-02-16 |
| NCT00762983 | Rhinitis, Allergic, Seasonal|Rhinitis, Allergic, Perennial|Urticaria|Pruritus | Drug: loratadine | Merck Sharp & Dohme Corp. | | 2008-03-01 | 2015-02-12 |
| NCT00776217 | Healthy | Drug: loratadine 10 mg orally disintegrating tablets | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2006-06-01 | 2008-10-20 |
| NCT00776282 | Healthy | Drug: loratadine 10 mg orally disintegrating | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2006-07-01 | 2008-10-20 |
| NCT02513290 | Allergic Rhinitis | Drug: Bilastine|Drug: Loratadine | Universidade do Sul de Santa Catarina | Phase 4 | 2013-08-01 | 2015-07-30 |
| NCT01228630 | Perennial Allergic Rhinitis | Drug: Cloratadd-D|Drug: Allegra-D | Azidus Brasil|EMS S/A | Phase 3 | 2011-08-01 | 2016-04-07 |
| NCT02932774 | Allergic Rhinitis|Hay Fever|SAR|Rhinitis, Allergic, Seasonal | Drug: Cetirizine|Drug: Loratadine|Other: Placebo | Johnson & Johnson Consumer and Personal Products Worldwide|Pfizer | Phase 4 | 2001-03-01 | 2016-11-27 |
| NCT01673620 | Allergic Rhinitis | Drug: Montelukast 10 mg/loratadine 10 mg|Drug: Placebo | Merck Sharp & Dohme Corp. | Phase 3 | 2012-07-01 | 2015-11-19 |
| NCT02576808 | Rhinitis,Allergic | Drug: Ginger extract|Drug: Loratadine | Thai Traditional Medical Knowledge Fund|Thammasat University | Phase 2 | 2015-10-01 | 2015-10-13 |
| NCT02392039 | Lymphoma | Drug: Pegfilgrastim|Drug: Loratadine|Other: Placebo|Behavioral: Questionnaires | M.D. Anderson Cancer Center|Amgen | | 2015-12-01 | 2017-01-10 |
| NCT02653339 | Rhinitis, Allergic, Perennial | Drug: Qufeng Shengshi Fang and Loratadine|Drug: Loratadine | Peking Union Medical College Hospital | | 2016-06-01 | 2016-04-21 |
| NCT01451996 | Healthy | Drug: Claritin | University of Chicago | Phase 4 | 2011-10-01 | 2013-12-09 |
| NCT00946608 | Allergy | Drug: Loratadine 10 mg Tablets Under Fasting Conditions (Sandoz, Inc.)|Drug: Loratadine 10 mg Tablets Under Fed Conditions (Sandoz, Inc.)|Drug: Claritin (Loratadine) 10 mg Tablets Under Fed Conditions (Schering) | Sandoz | Phase 1 | 2005-06-01 | 2009-07-24 |
| NCT01055756 | Allergic Rhinitis | Drug: Loratadine + Pseudoephedrine sulfate | Azidus Brasil | Phase 3 | 2010-01-01 | 2010-10-26 |
| NCT01469234 | Rhinitis | Drug: loratadine|Drug: fexofenadine|Drug: placebo to loratadine|Drug: placebo to fexofenadine | Bayer | Phase 4 | 2011-10-01 | 2015-02-20 |
