Clinical trial · Interventional
A Phase 2 Clinical Trial of the Safety and Effects of IRX-2 in Treating Patients With Operable Head and Neck Cancer
A Phase 2, Open-label Trial of the Safety and Biological Effect of Subcutaneous IRX-2 (With Cyclophosphamide, Indomethacin, and Zinc) in Patients With Resectable Cancer of the Head and Neck
NCT00210470CI-TRIAL-00048810completedPhase 2Results postedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This was a Phase 2a trial to investigate the safety and biological activity of the RIX-2 Regimen in patients with untreated, resectable squamous cell cancer of the head and neck (HNSCC).
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Squamous Cell Carcinoma of the Head and Neck | Head and Neck Squamous Cell Carcinoma | ALIAS | 0.90 |
Interventions
Interventions (5)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Cyclophosphamide | Drug | Cyclophosphamide | ALIAS |
| Indomethacin | Drug | — | UNRESOLVED |
| IRX-2 | Biological | — | UNRESOLVED |
| Omeprazole | Drug | — | UNRESOLVED |
| Zinc | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- type
- EXPERIMENTAL
- label
- IRX-2 Regimen
- description
- The IRX-2 regimen is the combination of a 2-week course of IRX-2 itself, an initial dose of cyclophosphamide, and a 3-week course of indomethacin, zinc supplementation, and omeprazole.
- interventionNames
- Biological: IRX-2
- Drug: Cyclophosphamide
- Drug: Indomethacin
- Drug: Zinc
- Drug: Omeprazole
Primary outcomes (1)
- measure
- Number of Participants With Adverse Events and Serious Adverse Events
- timeFrame
- Enrollment through 30 days post-surgery
- description
- The frequency of all Adverse Events (greater than 5%) is reported. All Serious Adverse Events were described.
Secondary outcomes (7)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 80 Years
Show eligibility criteria text
Inclusion Criteria: * Pathologically confirmed (histology) Squamous Cell Carcinoma of the oral cavity, oropharynx, hypopharynx, or larynx. * No prior surgery, radiation therapy or chemotherapy of this tumor other than biopsy or emergency procedure required for supportive care. * Clinically staged Stage II, III, or IVA cancer, assessed to be surgically resectable with curative intent. * Life Expectancy of greater than 6 months Exclusion Criteria: * Stage IVB Squamous Cell Carcinoma * Use of any investigational agent within the previous 30 days * Uncontrolled cardiovascular disease * Myocardial infarction within the last 3 months * Abnormal hemoglobin, neutrophil, lymphocyte or platelet counts * Positive for hepatitis B or C or HIV * Evidence of distant metastases * Clinical gastritis or peptic ulcer within the last 6 months * Stroke within the last six months
References
Publications (16)
- BACKGROUNDSchilling B, Harasymczuk M, Schuler P, Egan JE, Whiteside TL. IRX-2, a novel biologic, favors the expansion of T effector over T regulatory cells in a human tumor microenvironment model. J Mol Med (Berl). 2012 Feb;90(2):139-47. doi: 10.1007/s00109-011-0813-8. Epub 2011 Sep 14. PMID 21915712
- BACKGROUNDCzystowska M, Szczepanski MJ, Szajnik M, Quadrini K, Brandwein H, Hadden JW, Whiteside TL. Mechanisms of T-cell protection from death by IRX-2: a new immunotherapeutic. Cancer Immunol Immunother. 2011 Apr;60(4):495-506. doi: 10.1007/s00262-010-0951-9. Epub 2010 Dec 23. PMID 21181158
- BACKGROUNDNaylor PH, Hernandez KE, Nixon AE, Brandwein HJ, Haas GP, Wang CY, Hadden JW. IRX-2 increases the T cell-specific immune response to protein/peptide vaccines. Vaccine. 2010 Oct 8;28(43):7054-62. doi: 10.1016/j.vaccine.2010.08.014. Epub 2010 Aug 13. PMID 20708999
- BACKGROUNDNaylor PH, Hadden JW. Preclinical studies with IRX-2 and thymosin alpha1 in combination therapy. Ann N Y Acad Sci. 2010 Apr;1194:162-8. doi: 10.1111/j.1749-6632.2010.05475.x. PMID 20536465
- BACKGROUNDRapidis AD, Wolf GT. Immunotherapy of head and neck cancer: current and future considerations. J Oncol. 2009;2009:346345. doi: 10.1155/2009/346345. Epub 2009 Aug 9. PMID 19680453
- BACKGROUNDCzystowska M, Han J, Szczepanski MJ, Szajnik M, Quadrini K, Brandwein H, Hadden JW, Signorelli K, Whiteside TL. IRX-2, a novel immunotherapeutic, protects human T cells from tumor-induced cell death. Cell Death Differ. 2009 May;16(5):708-18. doi: 10.1038/cdd.2008.197. Epub 2009 Jan 30. PMID 19180118
- BACKGROUNDBright J, Al-Shamahi A. BioPartnering Europe--15th Annual Conference. Highlights from open house and emerging company presentations--Part 1. IDrugs. 2007 Dec;10(12):855-7. No abstract available.