NCT01738698
- Objective
- Not yet disclosed
- Design
- Not yet disclosed
- Participants
- Not yet disclosed
- Primary endpoint
- Not yet disclosed
- Results
- Results not yet reported; trial terminated 22 June 2021
pharma · Diabetes Mellitus · Hemophilia A
Takeda is a pharma organization headquartered in Cambridge, USA. Primary therapeutic focus areas include Diabetes Mellitus, Hemophilia A, Crohn's Disease, Hypertension, Type 2 Diabetes Mellitus. NovaPharmaNews links 1179
Phase 3 · small molecule · Schizophrenia
SPD489 40mg is a small-molecule therapeutic candidate developed by Takeda for the treatment of schizophrenia. The program reached Phase 3 clinical development but was terminated, with the latest milestone recorded on 22 June 2021. The mechanism of action and specific molecular target have not been disclosed. As a Phase
Internal code SPD489-338
SPD489 40mg is a small-molecule therapeutic candidate developed by Takeda for the treatment of schizophrenia. The program reached Phase 3 clinical development but was terminated, with the latest milestone recorded on 22 June 2021. The mechanism of action and specific molecular target have not been disclosed. As a Phase 3 program that did not advance to regulatory filing, SPD489 represents a discontinued development effort in Takeda's psychiatry portfolio. The termination occurred after Phase 3 initiation, suggesting potential efficacy, safety, or strategic considerations led to the discontinuation decision. No regulatory submissions or approvals have been achieved for this candidate.
Schizophrenia remains a significant unmet medical need affecting approximately 1% of the global population, with substantial morbidity, mortality, and socioeconomic burden. Current antipsychotic therapies, while effective for many patients, are associated with tolerability challenges including metabolic effects, extrapyramidal symptoms, and cognitive impairment, driving continued demand for novel mechanisms. The competitive landscape for schizophrenia treatment includes established agents such as aripiprazole, paliperidone ER, and clozapine, alongside emerging therapies. SPD489's termination at Phase 3 suggests the program did not meet strategic or clinical thresholds for continued investment, potentially reflecting competitive positioning challenges or insufficient differentiation from existing treatments. The schizophrenia market remains substantial, with multiple approved agents and ongoing development of novel approaches. Takeda's decision to discontinue SPD489 reflects portfolio prioritization within a competitive therapeutic area where efficacy, safety, and tolerability profiles must demonstrate clear clinical or commercial advantage.
SPD489 is a small-molecule therapeutic candidate for schizophrenia. The specific mechanism of action, molecular target, and route of administration have not been disclosed in available sources. Related approved therapies in the schizophrenia treatment landscape include:
Patent status, first approval date, and detailed molecular characterization of SPD489 have not been disclosed.
Also known as: schizophrenia 12, schizophrenia (disease), SCZD
A major psychotic disorder characterized by abnormalities in the perception or expression of reality. It affects the cognitive and psychomotor functions. Common clinical signs and symptoms include delusions, hallucinations, disorganized thinking, and retreat from reality.
ClinicalTrials.gov lists 2,921 registered studies for Schizophrenia (AACT aggregate).
Phase breakdown: NA (1,441), PHASE4 (414), PHASE3 (377), PHASE2 (297), PHASE1 (276), PHASE1/PHASE2 (52), PHASE2/PHASE3 (42), EARLY_PHASE1 (22)
Common investigational therapies:
Disease data sourced from MONDO Disease Ontology (MONDO:0005090), Orphanet — schizophrenia, NCT00000371, NCT00000372, NCT00000374, NCT00000387, NCT00001192, AACT (ClinicalTrials.gov aggregate), ClinicalTrials.gov, Open Targets Platform (CC BY 4.0).
Phase 3 initiation
SPD489-338 (NCT01738698) entered Phase 3 clinical development for schizophrenia.
Program terminated
SPD489 40mg development program was terminated; specific reasons not disclosed.
The schizophrenia treatment market includes multiple approved small-molecule antipsychotics with established clinical efficacy and safety profiles. Aripiprazole (Otsuka Beijing Research Institute) and paliperidone ER (Hospital Authority, Hong Kong) represent widely-used dopamine antagonists. Clozapine (Bright Minds Biosciences Inc.) remains the gold-standard treatment for treatment-resistant schizophrenia despite tolerability constraints. Iloperidone (Vanda Pharmaceuticals Netherlands B.V.) and PERSERIS (Indivior Pty Ltd) offer alternative mechanisms and formulations. Takeda itself markets vortioxetine, a multimodal antidepressant with potential psychiatric applications. The competitive environment is characterized by established efficacy benchmarks, extensive clinical experience, and well-defined safety profiles across multiple agents. SPD489's termination at Phase 3 suggests the program did not demonstrate sufficient clinical or commercial differentiation to justify continued development against this established competitive backdrop.
| Therapy | Company | Mechanism | Status |
|---|---|---|---|
| Clozapine | BRIGHT MINDS BIOSCIENCES INC. | small_molecule | approved |
| Iloperidone | Vanda Pharmaceuticals Netherlands B.V. | small_molecule | approved |
| Ramelteon | Takeda | small_molecule | approved |
| PERSERIS | Indivior Pty Ltd | small_molecule | approved |
| INTENSIFY SZ | Disc Medicine | small_molecule | approved |
| Varenicline | BRIGHT MINDS BIOSCIENCES INC. | small_molecule | approved |
| Aripiprazole | Otsuka Beijing Research Institute | small_molecule | approved |
| Paliperidone ER | Hospital Authority, Hong Kong | small_molecule | approved |
| Vortioxetine | Takeda | small_molecule | approved |
| Valbenazine | NEUROCRINE BIOSCIENCES INC | small_molecule | approved |
| Minocycline | BRIGHT MINDS BIOSCIENCES INC. | small_molecule | approved |
| Dexmedetomidine | BioXcel Therapeutics | small_molecule | approved |
| ZIPRASIDONE HYDROCHLORIDE | — | Dopamine D2 receptor antagonist | Approved |
| TRIFLUOPERAZINE HYDROCHLORIDE | — | D2-like dopamine receptor antagonist | Approved |
| THIOTHIXENE | — | Dopamine D2 receptor antagonist | Approved |
| SAMIDORPHAN L-MALATE | — | Delta opioid receptor partial agonist | Approved |
| RISPERIDONE | — | Serotonin 2a (5-HT2a) receptor antagonist | Approved |
| QUETIAPINE FUMARATE | — | Serotonin 2c (5-HT2c) receptor antagonist | Approved |
| PROCHLORPERAZINE | — | Dopamine D2 receptor antagonist | Approved |
| PERPHENAZINE | — | Dopamine D2 receptor antagonist | Approved |
Additional associated therapies sourced from Open Targets Platform (CC0), linked to NovaPharmaNews drug profiles where matched.
SPD489 40mg did not advance to regulatory filing. FDA approval status: not achieved. EMA approval status: not achieved. PMDA (Japan) approval status: not achieved. NMPA (China) approval status: not achieved. The program was terminated during Phase 3 development on 22 June 2021, prior to any regulatory submissions. No breakthrough designation, fast-track status, or other expedited regulatory pathways have been disclosed.
SPD489 40mg was being developed by Takeda for the treatment of schizophrenia, but the program was terminated during Phase 3 clinical development in June 2021.
No. SPD489 was not approved by the FDA. The program was terminated at Phase 3, prior to any regulatory submission.
SPD489 was developed by Takeda Pharmaceutical Company Limited. No manufacturing partner or licensee has been disclosed.
The mechanism of action of SPD489 has not been disclosed in available sources.
The specific molecular target of SPD489 has not been disclosed.
SPD489 was evaluated in trial NCT01738698, which was terminated on 22 June 2021. Results have not been reported.
The specific reasons for termination have not been disclosed by Takeda. Possible factors include insufficient efficacy, safety concerns, or strategic portfolio prioritization.
The route of administration for SPD489 has not been disclosed.
SPD489 was in Phase 3 clinical development when the program was terminated on 22 June 2021.
Yes. Approved antipsychotics for schizophrenia include aripiprazole, paliperidone ER, clozapine, iloperidone, and PERSERIS (risperidone long-acting injection), among others.
Current antipsychotics, while effective, are associated with tolerability challenges including metabolic effects, extrapyramidal symptoms, and cognitive impairment, driving demand for novel mechanisms with improved safety and efficacy profiles.
No. SPD489 is not available for patient use. The development program was terminated and no regulatory approval was obtained.
SPD489 was being evaluated at a 40mg dose in clinical trials, but the program was terminated before approval.
Takeda markets vortioxetine, a multimodal antidepressant with psychiatric applications, though it is not a primary antipsychotic for schizophrenia.
The first disclosure date for SPD489 has not been documented in available sources.
Patent status information for SPD489 has not been disclosed.
SPD489 40mg → Drug → Target → Indication → Company → Trials → Competitors
SPD489's termination at Phase 3 represents a strategic portfolio decision by Takeda, likely reflecting one or more of the following considerations:
No further development milestones or regulatory catalysts are anticipated for SPD489. The program represents a discontinued development effort with no path to approval or commercialization currently disclosed.
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Intelligence compiled from public regulatory and clinical sources (FDA, EMA, ClinicalTrials.gov and company disclosures). Figures may be editorial or analyst estimates; verify against primary sources before relying on them.