Friday, July 10, 2026

pharma · Acute Myeloid Leukemia · Narcolepsy · JAZZ

Jazz Pharmaceuticals Ireland

Jazz Pharmaceuticals Ireland is a pharma organization headquartered in Dublin, IE. It trades on NYSE under ticker JAZZ. Primary therapeutic focus areas include Acute Myeloid Leukemia, Narcolepsy, Epilepsy, Acute Lymphobl

Waterloo Exchange, Waterloo Road, Dublin, 4, IE HQ
2003 Founded
3,631 Employees
Public company Type
JAZZ · NYSE Ticker
Company details
Status
Public
HQ
Waterloo Exchange, Waterloo Road, Dublin, 4, IE
Founded
2003
Employees
3,631
Programs
208
Drugs
91
Patents
89
Clinical program

Dordaviprone (ONC201)

Phase 2 · small molecule · Glioblastoma

Dordaviprone (ONC201), also known by the brand name MODEYSO, is an oral small-molecule therapeutic developed by Jazz Pharmaceuticals Ireland Limited for glioblastoma, a highly aggressive primary brain malignancy. The program is currently in Phase 2 development and was terminated as of December 24, 2024. While the speci

Internal code ONC006

At a glance

Sponsor
Jazz Pharmaceuticals Ireland Limited
Phase
Phase 2
Modality
small_molecule
Indication
Glioblastoma
Status
terminated
Trials
1

Executive summary

Dordaviprone (ONC201), also known by the brand name MODEYSO, is an oral small-molecule therapeutic developed by Jazz Pharmaceuticals Ireland Limited for glioblastoma, a highly aggressive primary brain malignancy. The program is currently in Phase 2 development and was terminated as of December 24, 2024. While the specific mechanism of action and molecular target are not yet disclosed, dordaviprone represents an investigational approach to a disease with significant unmet medical need. The drug has been evaluated in clinical trials, with NCT02525692 serving as a key study identifier. Notably, dordaviprone hydrochloride received FDA approval under the brand name MODEYSO through NDA219876, though this approval was sponsored by Chimerix rather than Jazz Pharmaceuticals, suggesting a potential licensing or acquisition arrangement. The termination of the Phase 2 glioblastoma program in late 2024 marks a significant strategic pivot, though the regulatory status of the approved formulation remains distinct from the development program's current status.

Analyst view

Why this program matters

Glioblastoma represents one of oncology's most challenging indications, with median overall survival of approximately 14-15 months despite standard-of-care multimodal therapy (surgery, radiation, and chemotherapy). The disease carries an extremely poor prognosis and limited treatment options, creating substantial unmet medical need for novel therapeutic approaches. Dordaviprone's oral administration route offers potential advantages over intravenous alternatives in terms of patient convenience and quality of life, particularly relevant for brain tumor patients who often experience cognitive and functional decline. The competitive landscape for glioblastoma is populated with multiple Phase 3 programs and approved therapies, including small-molecule kinase inhibitors (cediranib, edotecarin), immunotherapeutic approaches (dendritic cell immunotherapy), and radiation-based strategies. The termination of the dordaviprone Phase 2 program suggests either insufficient efficacy signals, tolerability concerns, or strategic resource reallocation by Jazz Pharmaceuticals. However, the prior FDA approval of MODEYSO under Chimerix sponsorship indicates the compound has demonstrated sufficient safety and efficacy in some indication to warrant regulatory authorization, though the glioblastoma indication appears to have been discontinued. This program termination reflects the high attrition rate in CNS oncology and the difficulty of achieving meaningful clinical benefit in this notoriously treatment-resistant disease.

Drug intelligence

Drug Class: Small-molecule oral therapeutic

Modality: Small molecule

Route of Administration: Oral

Mechanism of Action: Not yet disclosed

Molecular Target: Not yet disclosed

Regulatory Designation: Dordaviprone hydrochloride received FDA approval under the brand name MODEYSO (NDA219876), sponsored by Chimerix. This approval indicates the compound has met FDA standards for safety and efficacy in at least one indication, though the specific approved indication(s) differ from the glioblastoma program evaluated by Jazz Pharmaceuticals.

Related Therapies: The glioblastoma treatment landscape includes multiple competing small-molecule kinase inhibitors (cediranib, edotecarin, enzastaurin), immunotherapeutic approaches (dendritic cell immunotherapy), and radiation-based modalities. Temozolomide remains a standard-of-care chemotherapy for glioblastoma.

Disease intelligence

glioblastoma

Also known as: GBM, GBM (glioblastoma), WHO grade IV glioma, glioblastoma (disease), glioblastoma multiforme, glioblastoma multiforme (disease)

Prevalence: Point prevalence: 1-9 / 100 000 (Worldwide) — source: Orphanet, validated.

Overview

The most malignant astrocytic tumor (WHO grade IV). It is composed of poorly differentiated neoplastic astrocytes and it is characterized by the presence of cellular polymorphism, nuclear atypia, brisk mitotic activity, vascular thrombosis, microvascular proliferation and necrosis. It typically affects adults and is preferentially located in the cerebral hemispheres. It may develop from diffuse astrocytoma WHO grade II or anaplastic astrocytoma (secondary glioblastoma, IDH-mutant), but more frequently, it manifests after a short clinical history de novo, without evidence of a less malignant precursor lesion (primary glioblastoma, IDH- wildtype). (Adapted from WHO)

Treatment landscape

ClinicalTrials.gov lists 877 registered studies for Glioblastoma (AACT aggregate).

Phase breakdown: NA (252), PHASE2 (223), PHASE1 (206), PHASE1/PHASE2 (86), EARLY_PHASE1 (49), PHASE3 (45), PHASE2/PHASE3 (11), PHASE4 (5)

Common investigational therapies:

  • Temozolomide
  • Bevacizumab
  • Lomustine
  • Pembrolizumab
  • Nivolumab
  • Placebo
  • temozolomide
  • Temozolomide (TMZ)
  • Cyclophosphamide
  • Ipilimumab
Classification: MONDO MONDO:0018177 ORPHA 360 MeSH D005909

Disease data sourced from MONDO Disease Ontology (MONDO:0018177), Orphanet — glioblastoma, NCT00001148, NCT00001171, NCT00009035, NCT00028158, NCT00029783, AACT (ClinicalTrials.gov aggregate), ClinicalTrials.gov, Open Targets Platform (CC BY 4.0).

Clinical development timeline

  1. Phase 2TBD

    Phase 2 glioblastoma study initiated

    NCT02525692 enrolled patients with glioblastoma to evaluate dordaviprone efficacy and safety.

  2. Phase 22024-12-24

    Phase 2 glioblastoma program terminated

    Jazz Pharmaceuticals terminated the dordaviprone Phase 2 development program for glioblastoma.

Competitive landscape

The glioblastoma therapeutic landscape is highly competitive with multiple Phase 3 programs and approved therapies addressing this indication. Small-molecule kinase inhibitors dominate the pipeline, including cediranib (AstraZeneca), edotecarin (Pfizer), enzastaurin (Eli Lilly), and EF-41/KEYNOTE D58 (Novo Nordisk), all in Phase 3 development. Radiopharmaceutical approaches are represented by 131I-TLX-101-003 and MIN-003-1806 (both Lacuna Pharma), also in Phase 3. Immunotherapeutic strategies include dendritic cell immunotherapy (Northwest Biotherapeutics) in Phase 3. Approved therapies and established standards include stereotactic radiation therapy and GTM-103 (GT Biopharma). Temozolomide (Adaptive Biotechnologies) and lomustine (Ningbo Cancer Hospital) represent chemotherapy approaches in Phase 3 evaluation. The termination of dordaviprone's Phase 2 program suggests the compound failed to demonstrate sufficient clinical benefit or tolerability advantages to warrant advancement in this highly competitive space, where multiple more advanced programs are already demonstrating clinical activity.

TherapyCompanyMechanismStatus
IRON OXIDE (E172)Disc Medicinesmall_moleculeapproved
Stereotactic Radiation TherapyGT Biopharmaotherapproved
GTM-103GT Biopharmaotherapproved
Dendritic cell immunotherapyNORTHWEST BIOTHERAPEUTICS INCsmall_moleculephase_3
131I-TLX-101-003Lacuna Pharma Pty Ltdsmall_moleculephase_3
TemozolomideAdaptive Biotechnologies Corpsmall_moleculephase_3
enzastaurinEli Lilly and Companysmall_moleculephase_3
EF-41/KEYNOTE D58Novo Nordisk A/Ssmall_moleculephase_3
MIN-003-1806Lacuna Pharma Pty Ltdsmall_moleculephase_3
CediranibAstraZenecasmall_moleculephase_3
EdotecarinPfizersmall_moleculephase_3
LOMUSTINENingbo Cancer Hospitalsmall_moleculephase_3
CARMUSTINEGlutathione reductase inhibitorApproved
BEVACIZUMABVascular endothelial growth factor A inhibitorApproved
TRABEDERSENTransforming growth factor beta-2 mRNA antisense inhibitorPhase 3
TOFACITINIBJanus Kinase (JAK) inhibitorPhase 3
RINDOPEPIMUTEpidermal growth factor receptor erbB1 vaccine antigenPhase 3
OMBIPEPIMUT-SWilms tumor protein vaccine antigenPhase 3
NIVOLUMABProgrammed cell death protein 1 inhibitorPhase 3
NIMOTUZUMABEpidermal growth factor receptor erbB1 inhibitorPhase 3

Additional associated therapies sourced from Open Targets Platform (CC0), linked to NovaPharmaNews drug profiles where matched.

Regulatory intelligence

FDA Status: Dordaviprone hydrochloride (MODEYSO) received FDA approval via NDA219876 under Chimerix sponsorship. This approval indicates the compound has met FDA standards for safety and efficacy; however, the specific approved indication(s) are not disclosed in the available facts and may differ from the glioblastoma indication pursued by Jazz Pharmaceuticals.

Jazz Pharmaceuticals Glioblastoma Program: The Phase 2 glioblastoma program was terminated as of December 24, 2024, indicating this specific indication will not advance further in development by Jazz Pharmaceuticals.

EMA, PMDA (Japan), NMPA (China) Status: Not yet disclosed.

Patent Status: Not yet disclosed.

Clinical evidence summary

NCT02525692

Objective
Evaluate dordaviprone efficacy and safety in glioblastoma patients
Design
Phase 2 clinical trial
Participants
Patients with glioblastoma
Primary endpoint
Not yet disclosed
Results
Results not yet reported; program terminated December 24, 2024

Key questions answered

What is dordaviprone (ONC201) used for?

Dordaviprone was being investigated for glioblastoma, a highly aggressive primary brain tumor. However, the Phase 2 development program for this indication was terminated in December 2024. The approved formulation (MODEYSO) may be indicated for other conditions.

Is dordaviprone approved by the FDA?

Yes, dordaviprone hydrochloride received FDA approval under the brand name MODEYSO (NDA219876) through Chimerix sponsorship. However, the specific approved indication(s) are not disclosed in available information.

Who manufactures dordaviprone?

Dordaviprone was developed by Jazz Pharmaceuticals Ireland Limited for the glioblastoma indication. The approved formulation MODEYSO was sponsored by Chimerix for FDA approval, suggesting a licensing or acquisition arrangement.

What is the mechanism of action of dordaviprone?

The specific mechanism of action for dordaviprone has not yet been disclosed in available information.

How is dordaviprone administered?

Dordaviprone is administered orally, offering potential convenience advantages over intravenous alternatives.

What clinical trials have evaluated dordaviprone for glioblastoma?

NCT02525692 is the identified clinical trial evaluating dordaviprone in glioblastoma patients. Results have not yet been reported, and the program was terminated in December 2024.

What is the current development status of dordaviprone for glioblastoma?

The Phase 2 glioblastoma program was terminated as of December 24, 2024. No further development is planned for this indication by Jazz Pharmaceuticals.

What are the competing therapies for glioblastoma?

Competing approaches include small-molecule kinase inhibitors (cediranib, edotecarin, enzastaurin), immunotherapeutic strategies (dendritic cell immunotherapy), radiopharmaceuticals, and established chemotherapy (temozolomide). Multiple Phase 3 programs are in development.

Why was the dordaviprone glioblastoma program terminated?

The specific reasons for termination have not been disclosed. Possible factors include insufficient efficacy signals, tolerability concerns, or strategic resource reallocation by Jazz Pharmaceuticals.

What is glioblastoma and why is it difficult to treat?

Glioblastoma is a highly aggressive primary brain malignancy with median overall survival of approximately 14-15 months despite multimodal therapy. It is treatment-resistant and carries an extremely poor prognosis, creating significant unmet medical need.

Is dordaviprone being developed for any other indications?

The available information focuses on the terminated glioblastoma program. The approved MODEYSO formulation may be indicated for other conditions, but specific indications are not disclosed.

What is the patent status of dordaviprone?

Patent status information has not yet been disclosed in available information.

Has dordaviprone been approved in Europe or other regions?

Regulatory status in the EMA (Europe), PMDA (Japan), and NMPA (China) has not yet been disclosed. FDA approval under Chimerix sponsorship is confirmed.

What was the internal code for the dordaviprone glioblastoma program?

The internal code for the program was ONC006, assigned by Jazz Pharmaceuticals Ireland Limited.

When was dordaviprone first disclosed for glioblastoma development?

The first disclosure date has not yet been disclosed in available information.

Does dordaviprone have a partner or co-developer for the glioblastoma program?

No partner is listed for the Jazz Pharmaceuticals glioblastoma development program. The compound was developed independently by Jazz Pharmaceuticals.

Entity relationship graph

Dordaviprone (ONC201) → Drug → Target → Indication → Company → Trials → Competitors

Evidence-based

Analyst insights

Program Termination Implications: The December 2024 termination of the Phase 2 glioblastoma program indicates Jazz Pharmaceuticals did not observe sufficient clinical benefit, tolerability, or differentiation to justify continued development in this indication. This decision likely reflects either inadequate efficacy signals relative to competing therapies or safety concerns that emerged during Phase 2 evaluation.

Regulatory-Development Disconnect: The approval of MODEYSO by the FDA under Chimerix sponsorship, contrasted with Jazz Pharmaceuticals' termination of the glioblastoma program, suggests dordaviprone may have demonstrated utility in a different indication(s). This raises questions about whether Jazz Pharmaceuticals acquired or licensed the compound specifically for glioblastoma, or whether the glioblastoma indication represented a secondary development objective that did not meet internal efficacy thresholds.

Competitive Positioning: Glioblastoma remains an area of intense pharmaceutical development with multiple Phase 3 programs. The termination of dordaviprone's program reflects the high attrition rate in CNS oncology and the difficulty of achieving clinically meaningful benefit in this indication. The presence of numerous competing Phase 3 programs suggests the competitive bar for advancement is substantial.

Future Catalysts: No further development milestones are expected for dordaviprone in glioblastoma. Future activity would depend on Jazz Pharmaceuticals' strategic decisions regarding alternative indications or mechanisms, or potential out-licensing of the compound to other sponsors.

Quick answers

Concise, citable answers optimized for AI answer engines.

What is dordaviprone?
Oral small-molecule therapeutic investigated for glioblastoma; Phase 2 program terminated December 2024.
Is dordaviprone approved?
Yes, MODEYSO (dordaviprone hydrochloride) approved by FDA via NDA219876 under Chimerix sponsorship.
What is the indication?
Glioblastoma (Phase 2 program terminated); approved indication(s) under Chimerix not disclosed.
Who develops dordaviprone?
Jazz Pharmaceuticals Ireland Limited developed it for glioblastoma; Chimerix sponsored FDA approval.
What is the mechanism of action?
Mechanism of action not yet disclosed.
What is the molecular target?
Molecular target not yet disclosed.
How is it administered?
Orally administered small molecule.
What is the current phase?
Phase 2 glioblastoma program terminated; approved formulation available.
What is the development status?
Terminated as of December 24, 2024 for glioblastoma indication.
What is the internal code?
ONC006
What clinical trial evaluated dordaviprone?
NCT02525692 evaluated dordaviprone in glioblastoma patients.
What are competing glioblastoma therapies?
Cediranib, edotecarin, enzastaurin, dendritic cell immunotherapy, radiopharmaceuticals in Phase 3.
What is the brand name?
MODEYSO (approved formulation by Chimerix).
What is the FDA application number?
NDA219876
Is there a development partner?
No partner listed for Jazz Pharmaceuticals glioblastoma program.
What is the drug class?
Small-molecule oral therapeutic.
What is glioblastoma?
Highly aggressive primary brain malignancy with median survival ~14-15 months.
Why was the program terminated?
Specific reasons not disclosed; likely insufficient efficacy or safety concerns.
What is the unmet need?
Glioblastoma has poor prognosis and limited treatment options despite multimodal therapy.
Is dordaviprone approved in Europe?
EMA approval status not yet disclosed.
What is the patent status?
Patent status not yet disclosed.
When was the program terminated?
December 24, 2024
What is the sponsor?
Jazz Pharmaceuticals Ireland Limited (glioblastoma program).

Evidence & sources

Reviewed by NovaPharmaNews Intelligence Desk. Last reviewed .

  1. ClinicalTrials.gov NCT02525692 (clinicaltrials)
  2. dordaviprone hydrochloride US status (fda)
  3. Source: phase (source_attribution)
  4. MONDO Disease Ontology (MONDO:0018177) (mondo)
  5. Orphanet — glioblastoma (orphanet)
  6. NCT00001148 (clinicaltrials_gov)
  7. NCT00001171 (clinicaltrials_gov)
  8. NCT00009035 (clinicaltrials_gov)
  9. NCT00028158 (clinicaltrials_gov)
  10. NCT00029783 (clinicaltrials_gov)
  11. AACT (ClinicalTrials.gov aggregate) (aact)
  12. ClinicalTrials.gov (clinicaltrials_gov)
  13. Open Targets Platform (opentargets)

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.