Numerous clinical trials spanning early- to late-phase development evaluate bitopertin across diverse psychiatric and hematologic conditions. Early research sponsored by Hoffmann-La Roche addressed central nervous system disorders such as schizophrenia and obsessive-compulsive disorder, whereas studies by Disc Medicine Inc. and the National Heart, Lung, and Blood Institute target erythroid and porphyric conditions including erythropoietic protoporphyria, X-linked protoporphyria, beta-thalassemia, and steroid-refractory Diamond-Blackfan anemia. These trials encompass recruitment statuses spanning recruiting, enrolling by invitation, active not recruiting, completed, and withdrawn.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT07123363 | WITHDRAWN | Protoporphyria |
Wake Forest University Health Sciences |
2026-01 | PHASE1 |
| NCT05883748 | ENROLLING_BY_INVITATION | Erythropoietic Protoporphyria |
Disc Medicine, Inc |
2023-08-31 | PHASE2; PHASE3 |
| NCT06910358 | ACTIVE_NOT_RECRUITING | Erythropoietic Protoporphyria (EPP); X-Linked Protoporphyria (XLP) |
Disc Medicine, Inc |
2025-04-04 | PHASE3 |
| NCT05828108 | COMPLETED | Steroid-refractory Diamond-Blackfan Anemia (DBA) |
National Heart, Lung, and Blood Institute (NHLBI) |
2023-07-25 | PHASE1; PHASE2 |
| NCT05308472 | COMPLETED | Erythropoietic Protoporphyria |
Disc Medicine, Inc |
2022-10-31 | PHASE2 |
| NCT05883748 | Enrolling by invitation | Erythropoietic Protoporphyria |
Disc Medicine Inc |
2023-08-31 | Phase 2|Phase 3 |
| NCT05828108 | Recruiting | Steroid-refractory Diamond-Blackfan Anemia (DBA) |
National Heart Lung and Blood Institute (NHLBI)|National Institutes of Health Clinical Center (CC) |
2023-07-25 | Phase 1|Phase 2 |
| NCT05308472 | Active not recruiting | Erythropoietic Protoporphyria |
Disc Medicine Inc |
2022-10-31 | Phase 2 |
| NCT03271541 | COMPLETED | Beta-Thalassemia |
Hoffmann-La Roche |
2017-10-26 | PHASE2 |
| NCT03271541 | Completed | Beta-Thalassemia |
Hoffmann-La Roche |
2017-10-26 | Phase 2 |
| NCT01674361 | COMPLETED | Obsessive-Compulsive Disorder |
Hoffmann-La Roche |
2012-12-31 | PHASE2 |
| NCT01235559 | COMPLETED | Schizophrenia |
Hoffmann-La Roche |
2010-12 | PHASE3 |
| NCT01235585 | COMPLETED | Schizophrenia |
Hoffmann-La Roche |
2010-12 | PHASE3 |
| NCT01192880 | COMPLETED | Schizophrenia |
Hoffmann-La Roche |
2010-11 | PHASE3 |
| NCT01192906 | COMPLETED | Schizophrenia |
Hoffmann-La Roche |
2010-12 | PHASE3 |
| NCT02019290 | WITHDRAWN | Healthy Volunteer |
Hoffmann-La Roche |
2014-02-10 | PHASE1 |
| NCT02019290 | Withdrawn | Healthy Volunteer |
Hoffmann-La Roche |
2014-02-10 | Phase 1 |
| NCT01674361 | Completed | Obsessive-Compulsive Disorder |
Hoffmann-La Roche |
2012-12-31 | Phase 2 |
| NCT01234779 | COMPLETED | Schizophrenia |
Hoffmann-La Roche |
2011-02 | PHASE2 |
| NCT01636492 | COMPLETED | Healthy Volunteer |
Hoffmann-La Roche |
2005-11 | PHASE1 |
(data from https://clinicaltrials.gov, updated on 2026-01-29)
Mechanism and Biochemical Profile
Appendix RUO and cGMP Quality Standards
| Quality Dimension | RUO (Research Use Only) | cGMP (Current Good Manufacturing Practice) |
|---|---|---|
| Clinical Applicability | Prohibited in human clinical trials or medical diagnostics. | Mandatory for human clinical trials (Phase I–III) and therapies. |
| Regulatory Status | Non-regulated grade; exempt from drug manufacturing laws. | Legally enforced by health authorities (e.g., FDA, EMA, NMPA). |
| Facility Environment | Unclassified analytical or research laboratories. | Validated Cleanrooms (ISO Class 5–8) with continuous monitoring. |
| Quality Control | Basic purity and activity testing. | Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma). |
| Process Validation | Basic equipment calibration; no process validation required. | Full qualification (IQ/OQ/PQ) and complete batch records. |
| Quality Assurance | Vendor self-declared without required formal QMS. | Mandatory QA/QC unit, Change Control, CAPA, and vendor audits. |
| Regulatory Impact | High risk of IND rejection if used as a critical raw material. | Required for IND/NDA filings, supported by Drug Master Files (DMF). |
Footnotes
Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).