# HNC study
An HNC study is a clinical research investigation involving people with head and neck cancer (HNC), a group of tumors of the oral cavity, pharynx, larynx, and adjacent structures. Most current HNC studies address rehabilitation and survivorship, because treatment with surgery, radiation, and systemic therapy leaves a growing population of survivors with lasting impairments in swallowing, speech, shoulder function, and quality of life[1](https://pubmed.ncbi.nlm.nih.gov/35182293/). The field is organized around the World Health Organization's International Classification of Functioning (ICF) model, which distinguishes impairment, activity, and participation[1](https://pubmed.ncbi.nlm.nih.gov/35182293/).
| Key fact | Detail |
|---|---|
| Treatment burden | HNC management typically combines surgery, radiation, and systemic therapy, producing substantial treatment-related morbidity[1](https://pubmed.ncbi.nlm.nih.gov/35182293/) |
| Common late effects | In a rehabilitation-clinic cohort of 130 survivors, dysphagia occurred in 92.3%, lymphedema in 86.2%, mononeuropathy in 84.6%, and pain in 74.6%[2](https://onlinelibrary.wiley.com/doi/10.1002/pmrj.13340) |
| Evidence base | A systematic review of interventions for HNC survivors found 28 studies (13 randomized, 15 non-randomized), with 27 rated medium to high risk of bias[3](https://pmc.ncbi.nlm.nih.gov/articles/PMC9796901/) |
| Exercise effects | Meta-analysis of 8 exercise trials found a 97.9 m mean improvement in six-minute walk distance and a standardized mean difference of 0.51 in quality of life, with 83.8% average adherence[4](https://pubmed.ncbi.nlm.nih.gov/41740505) |
| Work impact | About half of people cannot return to work following HNC surgery[5](https://www.hra.nhs.uk/planning-and-improving-research/application-summaries/research-summaries/grrand-f-getting-recovery-right-after-neck-dissection-feasibility/) |
| Care discontinuation | 22.8% (97 of 426) of HNC survivors at one US center discontinued survivorship care with their treating institution[6](https://pubmed.ncbi.nlm.nih.gov/34460935/) |
## Why HNC studies focus on rehabilitation
Treatment of HNC produces a characteristic set of impairments. Reviews list dysphagia (difficulty swallowing), xerostomia (dry mouth), dysgeusia and dysosmia (altered taste and smell), trismus (restricted jaw opening), dysarthria, dysphonia, lymphedema, [shoulder syndrome](https://www.edgepedia.org/shoulder-syndrome), cervicalgia, cervical dystonia, dropped head syndrome, deconditioning, and fatigue as targets of rehabilitation research[1](https://pubmed.ncbi.nlm.nih.gov/35182293/). Psychosocial consequences include altered body image, anxiety, depression, and suicidality[1](https://pubmed.ncbi.nlm.nih.gov/35182293/) • [7](https://www.nki.nl/research/research-groups/lonneke-van-de-poll/our-research/head-and-neck-rehabilitation-program-hnr).
A 2025 cross-sectional study of 130 survivors who sought specialized cancer rehabilitation quantified how these problems cluster. [Radiation therapy](https://www.edgepedia.org/radiation-therapy) had been part of treatment for 93.8%, surgery for 53.8%, and chemotherapy for 22.3%. Neuromuscular complications were prevalent, including radiculoplexopathy (58.5%) and myopathy (57.7%); musculoskeletal impairments included dysarthria (60.8%), trismus (40.8%), and shoulder dysfunction (27.7%); and visceral disorders included hypothyroidism (26.2%) and baroreceptor failure (19.2%). Most survivors (85.4%) required two or more therapy disciplines[2](https://onlinelibrary.wiley.com/doi/10.1002/pmrj.13340).
## Major interventional studies
**Rehabilitation Planning Consult.** A phase 2 randomized controlled trial led by Jolie Ringash, a radiation oncologist at Princess Margaret Cancer Centre in Toronto, evaluated a rehabilitation planning consult (RPC): an initial consultation in which rehabilitation needs are determined and the survivor sets individualized goals, plus a single follow-up session. Of 153 participants randomized to immediate RPC (n = 77) or a waitlist control (n = 76), 95 (62%) completed the intervention. The primary outcome, the proportion achieving a minimally important improvement (2.5 units) on the Short Form 36 Physical Health Summary Score at 3 months, showed no significant between-group difference. However, among the 67 participants who set individualized goals, goal performance and satisfaction with goal performance measured by the BRASH instrument were significantly better in the RPC group[8](https://pubmed.ncbi.nlm.nih.gov/37820770/).
**CaRe feasibility study.** This single-arm prospective study tested a 10-week multi-modal exercise and education program for patients within 2 years of HNC treatment, with twice-weekly online or in-person group exercise sessions and four education sessions. Twenty-two people consented; retention at the post-intervention assessment was 91%, and participants preferred in-person exercise classes. Functional outcomes improved: 30-second sit-to-stand repetitions increased, 68% of participants showed reduced frailty on the [Clinical Frailty Scale](https://www.edgepedia.org/clinical-frailty-scale), and FACT-HN quality-of-life total and head-and-neck subscale scores improved significantly. No serious adverse events occurred[9](https://link.springer.com/article/10.1007/s00520-026-10839-z).
**GRRAND-F.** The Getting Recovery Right After Neck Dissection feasibility study, sponsored by Oxford University Hospitals, tested whether a physiotherapist-designed rehabilitation program is acceptable to patients discharged after HNC surgery, as a step toward a full randomized trial of effectiveness and cost-effectiveness on pain, function, and health-related quality of life. Its registered primary outcome for the planned trial is the Shoulder Pain and Disability Index at 12 months[5](https://www.hra.nhs.uk/planning-and-improving-research/application-summaries/research-summaries/grrand-f-getting-recovery-right-after-neck-dissection-feasibility/) • [10](https://www.isrctn.com/ISRCTN13855775?filters=&offset=1&page=1&pageSize=10&q=Grrand&sort=&totalResults=2).
**NUTRI-HAB.** This randomized trial assigned 71 HNC survivors to a multidisciplinary residential nutritional rehabilitation program or a wait-list control. The primary outcome, body weight change, showed no significant difference. Secondary outcomes showed trends toward greater improvement in the intervention group, including hand grip strength (p = 0.042, a mean increase of 1.3 kg versus a 0.6 kg decrease in controls) and quality-of-life scales for role functioning, speech problems, and pain[11](https://pmc.ncbi.nlm.nih.gov/articles/PMC7400860/).
**Early self-care rehabilitation.** An earlier randomized evaluation of an early preventive self-care rehabilitation program during radiotherapy found no advantage over conventional follow-up: weight loss, swallowing outcomes, and working ability at 6 months did not favor the intervention, and the authors concluded the approach was not superior[12](https://pmc.ncbi.nlm.nih.gov/articles/PMC3082166/).
## What systematic reviews show
A systematic review of interventions for HNC survivors at least 1 year after curative-intent treatment identified 7,395 records and included 28 studies. Most interventions (24 of 28) targeted surveillance and management of physical effects, 13 also targeted psychosocial effects, 4 addressed prevention or surveillance of recurrence and new cancers, and only 1 addressed health promotion and disease prevention. Among the 13 randomized studies, 12 had medium to high risk of bias and only 1 had low risk; common sources of bias were lack of allocation concealment, lack of blinding, heterogeneous baseline characteristics, and attrition. Included studies were small, ranging from 10 to 217 participants with a median of 52[3](https://pmc.ncbi.nlm.nih.gov/articles/PMC9796901/).
**Exercise evidence.** A 2026 meta-analysis of 8 exercise trials in HNC survivors found significant or clinically meaningful benefits for functional capacity on the six-minute walk test (mean difference 97.9 m, 95% CI 78.2 to 117.6), lower-body flexibility on the sit-and-reach test (mean difference 7.16 cm), and quality of life (standardized mean difference 0.51), with no exercise-related adverse events reported. The authors rated the studies low quality because of bias, small samples, and heterogeneity in outcome assessment and exercise dosing[4](https://pubmed.ncbi.nlm.nih.gov/41740505). An earlier meta-analysis reached a more qualified conclusion, finding weak recommendations supporting exercise for functionality but no evidence favoring it for quality of life in survivors treated with chemoradiotherapy or surgery[13](https://pmc.ncbi.nlm.nih.gov/articles/PMC10219996/).
**Lymphedema.** [Head and neck cancer](https://www.edgepedia.org/head-and-neck-cancer)-associated lymphedema affects up to 90% of survivors, yet a systematic review found only 23 eligible studies (1.4% of 1,642 citations identified) covering 2,147 patients; 6 were randomized trials, 5 of them published between 2020 and 2022[14](https://pubmed.ncbi.nlm.nih.gov/37382963/).
**Prehabilitation.** A 2023 systematic review and meta-analysis of pre-rehabilitation interventions (exercise, nutrition, or psychoeducation delivered before treatment) reported improved post-interventional outcomes in HNC, including quality of life and mortality and morbidity measures[15](https://onlinelibrary.wiley.com/doi/10.1002/hed.27561).
## Gaps the studies identify
The 2022 state-of-the-field review concluded that HNC rehabilitation research continues to focus primarily on impairment-driven interventions, with a dearth of studies directly examining effects on activity and participation outcomes[1](https://pubmed.ncbi.nlm.nih.gov/35182293/). The survivorship systematic review reached parallel conclusions: chronic disease management and health promotion were largely unaddressed, and outcomes almost exclusively measured quality of life and function rather than mortality, costs, or health care utilization[3](https://pmc.ncbi.nlm.nih.gov/articles/PMC9796901/).
Access is a separate problem. In the [University of Iowa](https://www.edgepedia.org/university-of-iowa) cohort, discontinuation of survivorship care was associated with unmarried status (p = 0.036), longer driving distance to the facility (p = 0.0031), and single-modality cancer treatment (p < 0.0001), while rurality itself was not associated with discontinuation[6](https://pubmed.ncbi.nlm.nih.gov/34460935/). A qualitative Australian study identified barriers for rural survivors accessing speech-language pathology services, including difficulty transferring care to local services and travel burden[16](https://link.springer.com/content/pdf/10.1007/s40141-023-00382-x.pdf).
## Program-level and early-detection studies
Not all HNC studies test a single intervention. The Netherlands Cancer Institute has offered a tailored interdisciplinary head and neck rehabilitation (IHNR) program to patients with advanced HNC since 2011, covered by basic health insurance, and is evaluating its effectiveness and cost-effectiveness against usual supportive care using patient-reported outcome measures; an observational study found a positive impact on health-related quality of life[7](https://www.nki.nl/research/research-groups/lonneke-van-de-poll/our-research/head-and-neck-rehabilitation-program-hnr) • [17](https://pmc.ncbi.nlm.nih.gov/articles/PMC6610831/). At the other end of the disease course, a [North East England](https://www.edgepedia.org/north-east-england) study led by Dr Andrew Sturrock of the University of Sunderland and Dr Susan Bissett of Newcastle University, funded by the NIHR Applied Research Collaboration for the [North East](https://www.edgepedia.org/north-east) and North Cumbria, examined whether community pharmacists could provide a referral pathway for people with suspected HNC symptoms, aiming to improve early assessment and diagnosis[18](https://www.ncl.ac.uk/press/articles/archive/2020/11/hncstudy/).
## References
1. [State of Rehabilitation Research in the Head and Neck Cancer Population: Functional Impact vs. Impairment-Focused Outcomes, PubMed](https://pubmed.ncbi.nlm.nih.gov/35182293/)
2. [Prevalence of function-limiting late effects in survivors of head and neck cancer, PM&R](https://onlinelibrary.wiley.com/doi/10.1002/pmrj.13340)
3. [Interventions for head and neck cancer survivors: Systematic review, PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC9796901/)
4. [Effects of exercise on health-related fitness and patient-reported outcomes in survivors of head and neck cancer: a systematic review and meta-analysis, PubMed](https://pubmed.ncbi.nlm.nih.gov/41740505)
5. [GRRAND-F: Getting Recovery Right After Neck Dissection-Feasibility, Health Research Authority](https://www.hra.nhs.uk/planning-and-improving-research/application-summaries/research-summaries/grrand-f-getting-recovery-right-after-neck-dissection-feasibility/)
6. [Characterizing head and neck cancer survivors' discontinuation of survivorship care, PubMed](https://pubmed.ncbi.nlm.nih.gov/34460935/)
7. [Head and Neck Rehabilitation program (HNR), Netherlands Cancer Institute](https://www.nki.nl/research/research-groups/lonneke-van-de-poll/our-research/head-and-neck-rehabilitation-program-hnr)
8. [Efficacy of the Rehabilitation Planning Consult for Survivors of Head and Neck Cancer: A Phase 2 Randomized Controlled Trial, PubMed](https://pubmed.ncbi.nlm.nih.gov/37820770/)
9. [Head and neck cancer rehabilitation: the CaRe feasibility study, Supportive Care in Cancer](https://link.springer.com/article/10.1007/s00520-026-10839-z)
10. [ISRCTN13855775: Getting recovery from head and neck cancer right after neck dissection](https://www.isrctn.com/ISRCTN13855775?filters=&offset=1&page=1&pageSize=10&q=Grrand&sort=&totalResults=2)
11. [Effects of a Multidisciplinary Residential Nutritional Rehabilitation Program in Head and Neck Cancer Survivors: NUTRI-HAB, PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC7400860/)
12. [Early self-care rehabilitation of head and neck cancer patients, PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC3082166/)
13. [Exercise-based rehabilitation on functionality and quality of life in head and neck cancer survivors: a systematic review and meta-analysis, PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC10219996/)
14. [Rehabilitation Interventions for Head and Neck Cancer-Associated Lymphedema: A Systematic Review, PubMed](https://pubmed.ncbi.nlm.nih.gov/37382963/)
15. [Pre-rehabilitation interventions for patients with head and neck cancers: A systematic review and meta-analysis, Head & Neck](https://onlinelibrary.wiley.com/doi/10.1002/hed.27561)
16. [Disparities of health impacting head and neck cancer and rehabilitation, Physical Medicine and Rehabilitation Reports](https://link.springer.com/content/pdf/10.1007/s40141-023-00382-x.pdf)
17. [Study protocol of a prospective multicenter study comparing (cost-)effectiveness of a tailored interdisciplinary head and neck rehabilitation program to usual supportive care, PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC6610831/)
18. [HNC Study, Newcastle University Press Office](https://www.ncl.ac.uk/press/articles/archive/2020/11/hncstudy/)
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*Topic: Encyclopedia › Life and health › Human health and medicine › Public health and healthcare › Clinical research and trials › Oncology trials and studies*
*Initially written Oct 20, 2026*
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