Clinical trial · Interventional
A Study of Xevinapant (Debio 1143) in Combination With Platinum-Based Chemotherapy and Standard Fractionation Intensity-Modulated Radiotherapy in Participants With Locally Advanced Squamous Cell Carcinoma of the Head and Neck, Suitable for Definitive Chemoradiotherapy (TrilynX)
A Randomized, Double-Blind Placebo-Controlled, Phase 3 Study of Debio 1143 in Combination With Platinum-Based Chemotherapy and Standard Fractionation Intensity-Modulated Radiotherapy in Patients With Locally Advanced Squamous Cell Carcinoma of the Head and Neck, Suitable for Definitive Chemoradiotherapy (TrilynX)
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Why stopped (as posted): Study has crossed the pre-defined futility boundary at the Interim Analysis.
Summary
Brief summary (as posted)
The primary objective of the study was to demonstrate superior efficacy of Xevinapant (Debio 1143) vs placebo when added to chemoradiotherapy (CRT) in locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN).
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 (4)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Cisplatin | Drug | Cisplatin | ALIAS |
| Intensity Modulation Radiation Therapy (IMRT) | Radiation | — | UNRESOLVED |
| Placebo | Drug | — | UNRESOLVED |
| Xevinapant (Debio 1143) | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Xevinapant (Debio 1143)
- description
- Participants received: Concomitant chemo-radiation therapy period (Cycles 1-3): * Radiotherapy * Cisplatin * Xevinapant (Debio 1143) Monotherapy period (Cycles 4-6): • Xevinapant (Debio 1143)
- interventionNames
- Drug: Xevinapant (Debio 1143)
- Drug: Cisplatin
- Radiation: Intensity Modulation Radiation Therapy (IMRT)
- type
- ACTIVE_COMPARATOR
- label
- Placebo
- description
- Participants received: Concomitant chemo-radiation therapy period (Cycles 1-3): * Radiotherapy * Cisplatin * Matched placebo Monotherapy period (Cycles 4-6): • Matched placebo
- interventionNames
- Drug: Cisplatin
- Radiation: Intensity Modulation Radiation Therapy (IMRT)
- Drug: Placebo
Primary outcomes (1)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Eastern Cooperative Oncology Group performance status (ECOG PS) 0 or 1 * Histologically confirmed diagnosis of previously untreated Locally Advanced Squamous Cell Carcinoma of the Head and Neck (LA-SCCHN) participant (stage III, IVa or IVb according to the American Joint Committee on Cancer(AJCC))/Classification of malignant tumors: T=size of the primary tumor, N=regional lymph node involvement, M=distant metastasis (TNM) Staging System, 8th Edition.) suitable for definitive ChemoRadiotherapy (CRT), of at least one of the following sites: oropharynx, hypopharynx and larynx * For OroPharyngeal Cancer (OPC) participants, primary tumors must be human papillomavirus (HPV)-negative as determined by p16 expression using immunohistochemistry * Evaluable tumor burden (measurable and/or non-measurable tumor lesions) assessed by computed tomography scan (CT-scan) or magnetic resonance imaging (MRI), based on Response evaluation criteria in solid tumors (RECIST) version 1.1 * Peripheral neuropathy less than (\<) grade 2 * Adequate hematologic, renal and hepatic function * Other protocol defined inclusion criteria may apply Exclusion Criteria: * Primary tumor of nasopharynx, paranasal sinuses, nasal or oral cavity, salivary, thyroid or parathyroid gland pathologies, skin or unknown primary site * Metastatic disease (stage IVc as per AJCC/TNM, 8th Ed.) * Prior definitive or adjuvant Radiotherapy (RT) and/or radical surgery to the head and neck region which may jeopardize the primary tumor irradiation plan, or any other prior SCCHN systemic treatment, including investigational agents * Documented weight loss of \>10% during the last 4 weeks prior to randomization (unless adequate measures are undertaken for nutritional support), OR plasmatic albumin \< 3.0 g/dL. No albumin transfusions are allowed within 2 weeks before randomization * Known allergy to Xevinapant (Debio 1143), cisplatin, carboplatin, other platinum-based agent or any excipient known to be present in any of these products or in the placebo formulation * other protocol defined exclusion criteria may apply
References
Publications (2)
- DERIVEDBourhis J, Licitra LF, Burtness B, Psyrri A, Haddad R, Harrington K, Cohen EEW, Tao Y, Tiscoski KA, Matitashvili A, Tahara M, Sukari A, Rutkowski T, Salas S, Nauwelaerts H, Scheerlinck R, Ha NT, Schroeder A, Rodriguez-Gutierrez A, Schoenfeld JD. Xevinapant or Placebo Plus Platinum-Based Chemoradiotherapy in Unresected Locally Advanced Squamous Cell Carcinoma of the Head and Neck (TrilynX): A Randomized, Phase III Study. J Clin Oncol. 2025 Oct 10;43(29):3209-3220. doi: 10.1200/JCO-25-00272. Epub 2025 Sep 3. PMID 40902136
- DERIVEDBourhis J, Burtness B, Licitra LF, Nutting C, Schoenfeld JD, Omar M, Bouisset F, Nauwelaerts H, Urfer Y, Zanna C, Cohen EE. Xevinapant or placebo plus chemoradiotherapy in locally advanced squamous cell carcinoma of the head and neck: TrilynX phase III study design. Future Oncol. 2022 May;18(14):1669-1678. doi: 10.2217/fon-2021-1634. Epub 2022 Feb 17. PMID 35172587