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Dose Escalation Using Hypoxia-adjusted Radiotherapy

A Phase II Randomised Controlled Study Assessing the Role of Dose Escalation Using [18F] FMISO PET CT in Head and Neck Cancer: The DE-HyART (Dose Escalation Using Hypoxia-adjusted Radiotherapy) Protocol

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06087614
Acronym
DE-HyART
Enrollment
124
Registered
2023-10-18
Start date
2024-04-08
Completion date
2028-04-30
Last updated
2025-01-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Head and Neck Squamous Cell Carcinoma

Brief summary

DE-HyART is a phase II clinical trial aimed at understanding the effects of escalating radiation doses to hypoxic sub-volumes inherent to squamous cell head and neck cancer. The study is aimed at assessing locoregional control, feasibility, and acceptable toxicity with such a strategy.

Detailed description

DE-HyART is a randomized, non-blinded study that assesses the effects of combining IMRT (using SIB-Sequential planning) with dose-escalation to hypoxic sub-volume delineated using \[18-F\] FMISO. The treatment protocol will also include concurrent chemotherapy with cisplatin at standard uniform dosing. Patients with HNSCC whose cancer is determined to originate from the oral cavity, oropharynx, larynx, and hypopharynx will be selected. The included patients will be subjected to \[18F\] FMISO scan, labeled as baseline FMISO. Depending upon the result of the baseline FMISO, the patient will be either hypoxic or anoxic. Patients exhibiting no hypoxia in their tumor will be labeled as Arm 1 and act as an external cohort. Patients with hypoxia will be randomized (1:1) into two arms - Arms 2 and 3. Both arms will be subjected to chemoradiation by IMRT and concurrent chemotherapy with cisplatin at 40mg/m2. In Arm 3, the trial arm will receive an additional 10 Gy @ 2 Gy per fraction in phase II (total 80 Gy) to the HSV + 5mm isotropic margin. One twenty-four patients will recruited in a 1:1 fashion between Arm 3 and Arm 2. The primary endpoint will be locoregional control and its possible increase in control.

Interventions

RADIATIONDE-HyART

The HSV delineation will be done for patients in arm 3 using baseline FMISO. The HSV will be contoured and adjusted according to the second FMISO scan done between the 4th - the 5th week of radiation treatment. A planning CT will also be repeated at the time for adjusting the HSV to account for temporal changes. The Biological Target Volume thus generated after adequate margins will be prescribed 30 Gy in 10 fractions over and above the standard fractination.

RADIATIONStandard Arm

The prescribed radiotherapy dose will be 70 Gy in 2 Gy per fraction daily. The elective volume will be treated with 50 Gy in 2 Gy per fraction daily till the first 5 weeks. The entire treatment will be delivered in a phased mannered using sequential planning.

DRUGCisplatin injection

Concurrent chemotherapy, weekly Inj Cisplatin 40mg/m2. This will be given if clinically indicated

RADIATIONStandard fractionation (Radiation Oncology preference)

Standard institutional practice is detailed before starting the patient. Doses 66-70 Gy over 6-7 weeks

Sponsors

Varian, a Siemens Healthineers Company
CollaboratorINDUSTRY
Rajiv Gandhi Cancer Institute & Research Center, India
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Age: 18 - 70 years * Willingness to sign informed consent (written/video documentation) * Performance status: ECOG 0 - 2 * Histology proved - squamous cell carcinoma * Any grade, gender * Tumour sites: Oral Cavity, Oropharynx, Hypopharynx and Larynx * Sufficient bone marrow reserve within the last 14 days. * Hb: \> 10g/dl (corrected) * TLC: \> 4,000 per cumm * Platelet: \>1.5Lakh per cumm * Liver functions and kidney functions within normal limits * Nutritional and dental assessment before inclusion into the study

Exclusion criteria

* HPV (p16) positive tumours * Prior surgery and/or radiation therapy given for any HNC * T1/T2 Glottis * Metastatic disease or disease not amenable for definitive locoregional treatment. * Medical co-morbidity hampering the administration of radiation and/or chemotherapy (cisplatin) * Pregnancy or lactation

Design outcomes

Primary

MeasureTime frameDescription
Locoregional Control (LRC)Disease recurrence locally or analysis cut-off point. The analysis cut off pint is 24 monthsLRC is defined as the absence of tumor recurrence or progression within the primary tumor site and the regional lymph nodes, as determined by clinical evaluation, imaging studies, and/or biopsy confirmation. LRC will be assessed at predefined time points, with the primary time point being 2 years post-treatment

Secondary

MeasureTime frameDescription
Locoregional Relapse Free Survival (LRFS)Disease/Death during following up or analysis cut-off point. The analysis cut off pint is 24 monthsLRFS is defined as the time from the date of randomization to the first histopathologically confirmed relapse of locoregional disease. If there is no confirmed recurrence, the LRC duration will be censored at the time of analysis. Death from any cause will be considered as an event in LRFS.
Overall Survival (OS)Death during following up or analysis cut-off point. The analysis cut off pint is 24 monthsThe duration of OS was defined from the date of surgery to death from any cause. Therefore, if there is no death (for any reason), the OS duration will be cut-off at the analysis.

Other

MeasureTime frameDescription
Acute toxicityTill 6 months of finishing radiotherapyThe acute toxicity will be measured by Common Terminology Criteria for Adverse Events (CTCAE) v5.0
Patient-reported outcome QLQ-HN35 questionnaireDuring treatment, at 3 month and 6 month interval of completion of radiotherapyQLQ-H&N35
Late toxicity assessmentAt 1 year and 2 year follow-upMeasuring scale: (RTOG/European Organisation for the Research and Treatment of Cancer late toxicity criteria)
Patient-reported outcome questionnaireDuring treatment, at 3 month and 6 month interval of completion of radiotherapyEORTC QLQ-C30

Countries

India

Contacts

Primary ContactSarthak Tandon, DNB
tandon.sarthak@rgcirc.org+911147022009

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026