Trial Comparing Avg. Global Qual of Lifescore in Hypo Frac. RT vs Conv. Frac. in H&N Cancers

NCT ID: NCT06536699

Last Updated: 2024-08-05

Basic Information

• Recruitment Status: NOT_YET_RECRUITING
• Clinical Phase: NA
• Total Enrollment: 600 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2024-08-07
• Study Completion Date: 2031-07-01

Brief Summary

Radiotherapy forms an integral part of Head and Neck cancer treatment in both definitive as well as adjuvant setting. This study explores the use of hypofractionated radiotherapy, delivering 55Gy in 20 fractions over 4 weeks in comparison to the conventional approach which involves 70 Gy over 6 weeks.

Hypofractionated radiotherapy would result in significant benefits in terms of shortening the overall treatment time, countering accelerated hypofraction effects that typically arise after the 4th week. The new approach is also anticipated to offer resource and financial advantages, involving less machine time per patient, and potentially leading to better patient compliance. Previous studies on hypofractionation in Head and Neck cancer have demonstrated good local control and acceptable toxicity levels compared to conventional methods.

The primary objective of this study is to compare the average global quality of life following hypofractionated radiotherapy versus conventional fractionation, with secondary objectives including a comparison of locoregional control at 2 years and assessment of acute and late toxicities.

The study will require 600 eligible patients randomly assigned to either the hypofractionated or conventional arm. For definitive chemoradiation, the control arm will receive 66Gy in 30 fractions over 6 weeks, while the experimental arm will receive 55Gy in 20 fractions over 4 weeks, along with Inj Cisplatin @ 100mg/m2 3 weekly for 2 cycles. In the adjuvant setting control arm will receive 60Gy in 30 fractions over 6 weeks and experimental arm will receive 52.5Gy in 20 fractions over 4 weeks along with Inj Cisplatin @ 100mg /m2 3 weekly for 2 cycles for both arms based on histopathological indications.

Physician reported and patient reported acute toxicities like mucositis, dermatitis and dysphagia, weight loss, requirement and duration of feeding tubes as well as patients reported outcomes in the form of EORTC QLQ C30, HN43 and XeQoLS will be recorded both during and after treatment at regular intervals for 2 years.

The study's duration is five years, aiming to determine whether the hypofractionated schedule is non-inferior to conventional radiotherapy in terms of safety and disease-related outcomes

Detailed Description

Head and neck cancers comprise of cancers of arising from the epithelial lining of the lip, oral cavity, pharynx and larynx. The overall incidence of Head and Neck cancers continues to increase, despite decrease in the incidence of smoking suggestive of potential change in etiology. Presently Head and Neck cancer form the seventh most common cancer globally The primary treatment of oral cavity cancer comprises of surgery with adjuvant radiation with or without chemotherapy for locally advanced cancers or early-stage cancer in presence of high-risk factor. Cancers of the oropharynx are treated primarily with radiotherapy for early stage and chemoradiation for locally advanced disease. Laryngeal cancers are treated with either radiotherapy alone or chemoradiation, with surgery reserved for patients with laryngeal cartilage involvement or non-functional larynx.

Radiotherapy for head and neck cancer is delivered with conventional fractionation at 2- 2.2Gy per fraction to a total of 70 Gy dose equivalent. There are certain other altered fractionation types which has been tested like hyperfractionation with an intention to reduce late toxicities as well as accelerated and hypofractionation to counteract the effects of accelerated repopulation. Altered fractionation trials with hyperfractionation show increase in overall survival benefit when compared to radiotherapy alone but worse OS outcomes when compared to chemoradiation with lower toxicities. The advent of the COVID 19 pandemic popularised hypofractionated regimens with the ASTRO-ESTRO consensus statement which achieved a strong consensus about hypofractionated RT.

The addition of concurrent chemotherapy has been found to be superior compared to radiation alone in terms of locoregional control as well as overall survival. The MACH-NC meta analysis showed a 6.5% difference at 5 years and 3.6% at 10 years in favour of concurrent chemotherapy. The optimal dose of chemotherapy remains an important question. Although several studies have shown a significant improvement in overall survival with increasing cumulative cisplatin doses there might not be additional benefit of increasing dose of chemotherapy beyond a cumulative dose of 200mg/m2.

Through this study, the investigators aim to assess and compare the disease related outcomes, acute and late toxicities as well as the quality of life parameters of patients treated with hypofractionated radiotherapy along with two cycles 3 weekly concurrent chemotherapy versus those following the conventional chemotherapy regimen.

Rationale of study

1. Reduction in overall treatment time Squamous cell cancer of the Head and Neck region are rapidly proliferating cancers. Earlier studies have estimated a median value of labeling S-phase fraction (LI), duration, and estimated potential doubling time (Tpot) as 9%, 9 hours, and 5 days respectively. Although some studies failed to show any predictive value of pretreatment potential doubling time and labeling index in patients treated with conventional fractionation the effect of accelerated repopulation which is estimated to be triggered around about 4 +/- 1 weeks cannot be undermined. Several studies have shown a strong negative relation between overall treatment time and locoregional control and overall survival with an average loss of LRC from 1-1.2% per day to 12-14% per week. The dose time factor, also known as the K factor (or λ/α factor as used in some publications) ranges between 0.5 and 0.99 Gy/day with a recent meta-analysis on laryngeal cancers estimating it as 0.6 - 0.8.

2. Resource and financial benefits for patients, caregivers and hospitals. Reduction in total number of fractions will lead to an overall shorter duration of treatment and lesser number of hospital visits. For patients, an earlier end to treatment and lesser number of hospital visits will be a source of physical and financial relief. For caregivers, this will allow an earlier return to work or other responsibilities. For the healthcare system, it allows more patients to be offered treatment using the same resources.

3. Better patient compliance Reduced treatment time will increase patient compliance especially for patients who are taking treatment away from home.

Conditions

Radiation Treatment

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Radiotherapy - conventional

Conventional Radiotherapy of 66 Gy in 30 fractions in definitive setting and 60 Gy in 30 fractions in adjuvant setting Total Duration- 6 weeks

Group Type: ACTIVE_COMPARATOR

Radiotherapy - Conventional

Intervention Type: RADIATION

Conventional Radiotherapy of 66 Gy in 30 fractions in definitive setting and 60 Gy in 30 fractions in adjuvant setting. Total duration - 6 Weeks

Radiotherapy - hypofractionated

Hypofractionated Radiotherapy of 55 Gy in 20 fractions in definitive setting and 52.5 Gy in 20 fractions in adjuvant setting. Total duration - 4 Weeks

Group Type: EXPERIMENTAL

Radiotherapy - hypofractionated

Intervention Type: RADIATION

Hypofractionated Radiotherapy of 55 Gy in 20 fractions in definitive setting and 52.5 Gy in 20 fractions in adjuvant setting. Total duration - 4 Weeks

Interventions

Radiotherapy - hypofractionated

Hypofractionated Radiotherapy of 55 Gy in 20 fractions in definitive setting and 52.5 Gy in 20 fractions in adjuvant setting. Total duration - 4 Weeks

Intervention Type: RADIATION

Radiotherapy - Conventional

Conventional Radiotherapy of 66 Gy in 30 fractions in definitive setting and 60 Gy in 30 fractions in adjuvant setting. Total duration - 6 Weeks

Intervention Type: RADIATION

Eligibility Criteria

Inclusion Criteria

1. Age ≥ 18 years

2. ECOG performance status 0 - 2.

3. Patients diagnosed with invasive squamous cell cancer of the head and neck region which includes lip, oral cavity, nasopharynx, oropharynx, hypopharynx, supraglottis, glottis and subglottis.

4. Patients who are being treated with curative intent treatment either with surgery followed by adjuvant radiotherapy with or without chemotherapy or definitive chemoradiation.

5. Patients must have a histopathological proof of malignancy, such as biopsy or post operative histopathology report. Biopsies or surgeries done outside must have been reviewed for pathological confirmation and specimen adequacy at the treating institute.

6. Patients with non metastatic cancer, optimally staged with the following:

1. Contrast enhanced CT scan of the neck and thorax for cancer lip, oral cavity, oropharynx, hypopharynx, supraglottis, glottis and subglottis

2. Magnetic Resonance Imaging of the neck and CT thorax for cancer of nasopharynx

Exclusion Criteria

1. Concurrent illness like severe cardiac, renal or hepatic dysfunction and, including severe infection that may jeopardise the ability of the patient to undergo the procedures outlined in this protocol with reasonable safety

2. Serious medical or psychiatric conditions that might limit the ability of the patient to comply with the protocol.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 80 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Tata Medical Center

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Sanjoy Sanjoy, MRCP,FRCR

Role: PRINCIPAL_INVESTIGATOR

Tata Medical Center

Locations

Tata Medical Center

Kolkata, West Bengal, India

Countries

India

Central Contacts

Sanjoy Sanjoy, MRCP,FRCR

Role: CONTACT

sanjoy.chatterjee@tmckolkata.com

9038161825

Indranil Mallick, MD, DNB

Role: CONTACT

indranil.mallick@tmckolkata.com

9831171235

Facility Contacts

Sanjoy Chatterjee, MRCP,FRCR

Role: primary

sanjoy.chatterjee@tmckolkata.com

9038161825

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Other Identifiers

2024/TMC/307/IRB11

Identifier Type: -

Identifier Source: org_study_id