Drugs / Indigo naturalis
Trials 4 · a red edge is where a trial was stopped
| Phase | Registry id | Dates | Indication | Sponsor | Status | Outcome |
|---|---|---|---|---|---|---|
| Phase 22 trials | ||||||
| Phase 2 | NCT02669888 | Oct 2015 → Jan 2017 | atopic eczema | Chang Gung Memorial Hospital | Completed | No outcome recorded |
| Phase 2 | NCT02088281 | Nov 2012 → Jul 2013 | psoriasis | Chang Gung Memorial Hospital | Completed | No outcome recorded |
| Phase 2/31 trial | ||||||
| Phase 2/3 | NCT01445886 | Jan 2011 → Jun 2012 | psoriasis | Yin-ku Lin | Completed | No outcome recorded |
| Phase 41 trial | ||||||
| Phase 4 | NCT07665294 | Jun 2026 → Jun 2027 expected | ulcerative colitis | Ryan C Ungaro | Not yet recruiting | No outcome recorded |
Also used as a comparator or background therapy in 2 trials
| Phase | Registry id | Dates | Indication | Sponsor | Status | Outcome |
|---|---|---|---|---|---|---|
| Phase 11 trial | ||||||
| Phase 1 | NCT02442960 Comparator | Dec 2014 → Jul 2017 | ulcerative colitis | Stanford University | Completed | No outcome recorded |
| Phase 21 trial | ||||||
| Phase 2 | NCT01901705 Comparator | Feb 2013 → Jan 2014 | psoriasis | China Medical University Hospital | Completed | No outcome recorded |
Evidence & citations 5 cited values
Every value below carries the sentence it was read from. 7 sources stand behind the page.
| Field | Value | Cited text |
|---|---|---|
| Known as | Indigo naturalis | “BACKGROUND: Indigo naturalis (IN) is an herbal medicine that has been used for ulcerative colitis with an unclear mechanism of action.” PMID 34969665 ↗ Dec 2021 |
| Known as | QingDai | “Capsule doses 235mg - 385mg curcumin/150mg-300mg QingDai” NCT07665294 ↗ |
| Action | Inhibit | “the therapeutic effect of indigo naturalis in psoriasis may involve inhibiting the activation of Th1 and Th17 cells” NCT02088281 ↗ |
| Modality | Traditional medicine (herbal / TCM) | “A Chinese Herb, Indigo Naturalis, Extracted in Oil (Lindioil) Used Topically to Treat Psoriatic Nails: A Randomized Clinical Trial.” PMID 25738921 ↗ Jun 2015 |
| Route | Topical | “The participants applied indigo naturalis extract in oil topically to one of two bilaterally symmetrical psoriatic finger nails twice daily for 24 weeks.” NCT01445886 ↗ |