Table 2:
Clinical trials of RXR and RAR agonists in solid tumors
| Tumor | Drug | Target | Phase | Status | ClinicalTrials.gov |
|---|---|---|---|---|---|
| Non-melanoma Skin Cancer | Vitamin D | RXR-VDR | - | Not yet recruiting | NCT05550766 |
| 13-Cis retinoic acid | RAR | - | Completed | NCT00025012 | |
| UAB30 | RXR | I | Recruiting | NCT03327064 | |
| Melanoma | ATRA | RARα | II | Active | NCT02403778 |
| 13-Cis retinoic acid | RAR | - | Completed | NCT00025012 | |
| Non-Small Cell Lung Cancer | IRX4204 with Erlotinib | RXRs | I | Suspended | NCT02991651 * |
| NRX194204 | RXRs | II | Unknown | NCT00964132 | |
| Bexarotene | RXR | I/II | Terminated | NCT00153842 | |
| Bexarotene | RXR | I | Completed | NCT01116622 | |
| Bexarotene | RXR | III | Completed | NCT00050973 | |
| Bexarotene with erlotinib | RXR | - | Completed | NCT00125372 * | |
| Bexarotene with erlotinib | RXR | II | Completed | NCT00411632 * | |
| Bexarotene with erlotinib | RXR | II | Completed | NCT00125359 * | |
| Bexarotene with carboplatin and paclitaxel | RXR | III | Completed | NCT00050960 * | |
| Bexarotene with gefitinib | RXR | I/II | Completed | NCT00238628 * | |
| Bexarotene with ATRA | RXR | II | Unknown | NCT00514293 * | |
| ATRA | RAR | III | Unknown | NCT01041833 | |
| 13-Cis retinoic acid | RAR | II | Completed | NCT00002586 | |
| ATRA | RARα | II | Completed | NCT00617409 | |
| ATRA | RARα | II | Completed | NCT01048645 | |
| Myeloma | Bexarotene and CS-7017 | RXR-PPARγ | I | Terminated | NCT01504490 |
| Breast Cancer | UAB30 | RXR | I | Active | NCT02876640 |
| Bexarotene | RXR | I | Completed | NCT03323658 | |
| Bexarotene | RXR | II | Completed | NCT00003752 | |
| Bexarotene (in TNBC) | RXR | I | Recruiting | NCT04664829 | |
| Bexarotene (prevention) | RXR | I | Completed | NCT00055991 | |
| 9-Cis retinoic acid | RAR | I | Completed | NCT00001504 | |
| ATRA | RARα | II | Recruiting | NCT04113863 | |
| Neuroblastoma | Spironolactone | RXRγ | II | Recruiting | NCT05754684 |
| 13-Cis retinoic acid | RAR | I | Completed | NCT01208454 | |
| Retinoic Acid with Onalta | RXR | II | Withdrawn | NCT01048086 * | |
| Prostate Cancer | NRX194204 | RXRs | II | Completed | NCT01540071 |
| Thyroid Cancer | Bexarotene | RXR | I | Completed | NCT00718770 |
| Head and neck cancer | 13-Cis retinoic acid | RAR | III | Completed | NCT03370367 |
| Bexarotene | RXR | I | Completed | NCT01116622 | |
| Cervical tumors | 13-Cis retinoic acid | RAR | III | Completed | NCT00001073 |
| Esophagus | Bexarotene | RXR | I | Completed | NCT01116622 |
ATRA, all-trans retinoic acid; TNBC, Triple-negative breast cancer
: The RAR or RXR agonists were tested in combination with other drugs that are not known to activate these receptors.