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Impact of sarcopenia on survival and late toxicity in head and neck cancer patients treated with radiotherapy.

van Rijn-Dekker MI, van den Bosch L, van den Hoek JGM, Bijl HP, van Aken ESM, van der Hoorn A, Oosting SF, Halmos GB, Witjes MJH, van der Laan HP, Langendijk JA, Steenbakkers RJHM.

Radiother Oncol. 2020 Apr 3;147:103-110. doi: 10.1016/j.radonc.2020.03.014. [Epub ahead of print]


Biological tumor markers associated with local control after primary radiotherapy in laryngeal cancer: a systematic review.

Noordhuis MG, Kop EA, van B, der Vegt, Langendijk JA, van BFAM, der Laan, Schuuring E, de Bock GH.

Clin Otolaryngol. 2020 Apr 4. doi: 10.1111/coa.13540. [Epub ahead of print]


Particle therapy in Europe.

Grau C, Durante M, Georg D, Langendijk JA, Weber DC.

Mol Oncol. 2020 Mar 29. doi: 10.1002/1878-0261.12677. [Epub ahead of print] Review.


Comparison of CBCT based synthetic CT methods suitable for proton dose calculations in adaptive proton therapy.

Thummerer A, Zaffino P, Meijers A, Marmitt GG, Seco J, Steenbakkers RJHM, Langendijk JA, Both S, Spadea MF, Knopf AC.

Phys Med Biol. 2020 Mar 6. doi: 10.1088/1361-6560/ab7d54. [Epub ahead of print]


Pre-treatment radiomic features predict individual lymph node failure for head and neck cancer patients.

Zhai TT, Langendijk JA, van Dijk LV, van der Schaaf A, Sommers L, Vemer-van den Hoek JGM, Bijl HP, Halmos GB, Witjes MJH, Oosting SF, Noordzij W, Sijtsema NM, Steenbakkers RJHM.

Radiother Oncol. 2020 Feb 27;146:58-65. doi: 10.1016/j.radonc.2020.02.005. [Epub ahead of print]


Current management of stage IV nasopharyngeal carcinoma without distant metastasis.

Ng WT, Corry J, Langendijk JA, Lee AWM, Mäkitie A, Mendenhall WM, Rinaldo A, Rodrigo JP, Saba NF, Smee R, Strojan P, Suárez C, Vermorken JB, Ferlito A.

Cancer Treat Rev. 2020 Apr;85:101995. doi: 10.1016/j.ctrv.2020.101995. Epub 2020 Feb 21. Review.


The Acute and Early Effects of Whole-Brain Irradiation on Glial Activation, Brain Metabolism, and Behavior: a Positron Emission Tomography Study.

Parente A, de Vries EFJ, van Waarde A, Ioannou M, van Luijk P, Langendijk JA, Dierckx RAJO, Doorduin J.

Mol Imaging Biol. 2020 Feb 12. doi: 10.1007/s11307-020-01483-y. [Epub ahead of print]


Reduced radiation-induced toxicity by using proton therapy for the treatment of oropharyngeal cancer.

Meijer TWH, Scandurra D, Langendijk JA.

Br J Radiol. 2020 Mar;93(1107):20190955. doi: 10.1259/bjr.20190955. Epub 2020 Jan 30. Review.


Platform for automatic patient quality assurance via Monte Carlo simulations in proton therapy.

Guterres Marmitt G, Pin A, Ng Wei Siang K, Janssens G, Souris K, Cohilis M, Langendijk JA, Both S, Knopf A, Meijers A.

Phys Med. 2020 Feb;70:49-57. doi: 10.1016/j.ejmp.2019.12.018. Epub 2020 Jan 20.


Validation of the proton range accuracy and optimization of CT calibration curves utilizing range probing.

Meijers A, Free J, Wagenaar D, Deffet S, Knopf AC, Langendijk JA, Both S.

Phys Med Biol. 2020 Feb 4;65(3):03NT02. doi: 10.1088/1361-6560/ab66e1.


Development of Normal Tissue Complication Probability Model for Trismus in Head and Neck Cancer Patients Treated With Radiotherapy: The Role of Dosimetric and Clinical Factors.

Morimoto M, Bijl HP, VAN DER Schaaf A, Xu CJ, Steenbakkers RJHM, Chouvalova O, Yoshioka Y, Teshima T, Langendijk JA.

Anticancer Res. 2019 Dec;39(12):6787-6798. doi: 10.21873/anticanres.13894.


Validation of linear energy transfer computed in a Monte Carlo dose engine of a commercial treatment planning system.

Wagenaar D, Tran LT, Meijers A, Marmitt GG, Souris K, Bolst D, James B, Biasi G, Povoli M, Kok A, Traneus E, van Goethem MJ, Langendijk JA, Rosenfeld AB, Both S.

Phys Med Biol. 2020 Jan 17;65(2):025006. doi: 10.1088/1361-6560/ab5e97.


Incorporating NTCP into Randomized Trials of Proton Versus Photon Therapy.

Scherman J, Appelt AL, Yu J, Persson GF, Nygård L, Langendijk JA, Bentzen SM, Vogelius IR.

Int J Part Ther. 2019 Winter;5(3):24-32. doi: 10.14338/IJPT-18-00038.1. Epub 2019 Mar 21.


Improving automatic delineation for head and neck organs at risk by Deep Learning Contouring.

van Dijk LV, Van den Bosch L, Aljabar P, Peressutti D, Both S, J H M Steenbakkers R, Langendijk JA, Gooding MJ, Brouwer CL.

Radiother Oncol. 2020 Jan;142:115-123. doi: 10.1016/j.radonc.2019.09.022. Epub 2019 Oct 22.


Correction to: Advancing interdisciplinary research in head and neck cancer through a multicenter longitudinal prospective cohort study: the NETherlands QUality of life and BIomedical Cohort (NET-QUBIC) data warehouse and biobank.

Verdonck-de Leeuw IM, Jansen F, Brakenhoff RH, Langendijk JA, Takes R, Terhaard CHJ, Baatenburg de Jong RJ, Smit JH, Leemans CR.

BMC Cancer. 2019 Oct 22;19(1):982. doi: 10.1186/s12885-019-6223-y.


Demographic, clinical and lifestyle-related correlates of accelerometer assessed physical activity and fitness in newly diagnosed patients with head and neck cancer.

Douma JAJ, Verdonck-de Leeuw IM, Leemans CR, Jansen F, Langendijk JA, Baatenburg de Jong RJ, Terhaard CHJ, Takes RP, Chinapaw MJ, Altenburg TM, Buffart LM.

Acta Oncol. 2020 Mar;59(3):342-350. doi: 10.1080/0284186X.2019.1675906. Epub 2019 Oct 12.


Standardised Ki-67 proliferation index assessment in early-stage laryngeal squamous cell carcinoma in relation to local control and survival after primary radiotherapy.

Kop E, de Bock GH, Noordhuis MG, Slagter-Menkema L, van der Laan BFAM, Langendijk JA, Schuuring E, van der Vegt B.

Clin Otolaryngol. 2020 Jan;45(1):12-20. doi: 10.1111/coa.13449. Epub 2019 Nov 5.


Organ sparing potential and inter-fraction robustness of adaptive intensity modulated proton therapy for lung cancer.

van der Laan HP, Anakotta RM, Korevaar EW, Dieters M, Ubbels JF, Wijsman R, Sijtsema NM, Both S, Langendijk JA, Muijs CT, Knopf AC.

Acta Oncol. 2019 Dec;58(12):1775-1782. doi: 10.1080/0284186X.2019.1669818. Epub 2019 Sep 26.


Practical robustness evaluation in radiotherapy - A photon and proton-proof alternative to PTV-based plan evaluation.

Korevaar EW, Habraken SJM, Scandurra D, Kierkels RGJ, Unipan M, Eenink MGC, Steenbakkers RJHM, Peeters SG, Zindler JD, Hoogeman M, Langendijk JA.

Radiother Oncol. 2019 Dec;141:267-274. doi: 10.1016/j.radonc.2019.08.005. Epub 2019 Sep 3.


Delta-radiomics features during radiotherapy improve the prediction of late xerostomia.

van Dijk LV, Langendijk JA, Zhai TT, Vedelaar TA, Noordzij W, Steenbakkers RJHM, Sijtsema NM.

Sci Rep. 2019 Aug 28;9(1):12483. doi: 10.1038/s41598-019-48184-3.


PTEN Is Associated With Worse Local Control in Early Stage Supraglottic Laryngeal Cancer Treated With Radiotherapy.

Bruine de Bruin L, Wachters JE, Schrijvers ML, Slagter-Menkema L, Mastik MF, Langendijk JA, van der Wal JE, Schuuring E, van der Laan BFAM.

Laryngoscope Investig Otolaryngol. 2019 Jun 12;4(4):399-404. doi: 10.1002/lio2.272. eCollection 2019 Aug.


Advancing interdisciplinary research in head and neck cancer through a multicenter longitudinal prospective cohort study: the NETherlands QUality of life and BIomedical Cohort (NET-QUBIC) data warehouse and biobank.

Verdonck-de Leeuw IM, Jansen F, Brakenhoff RH, Langendijk JA, Takes R, Terhaard CHJ, Baatenburg de Jong RJ, Smit JH, Leemans CR.

BMC Cancer. 2019 Aug 5;19(1):765. doi: 10.1186/s12885-019-5866-z. Erratum in: BMC Cancer. 2019 Oct 22;19(1):982.


The prognostic value of CT-based image-biomarkers for head and neck cancer patients treated with definitive (chemo-)radiation.

Zhai TT, Langendijk JA, van Dijk LV, Halmos GB, Witjes MJH, Oosting SF, Noordzij W, Sijtsema NM, Steenbakkers RJHM.

Oral Oncol. 2019 Aug;95:178-186. doi: 10.1016/j.oraloncology.2019.06.020. Epub 2019 Jun 26.


Evaluation of a 3D surface imaging system for deep inspiration breath-hold patient positioning and intra-fraction monitoring.

Hamming VC, Visser C, Batin E, McDermott LN, Busz DM, Both S, Langendijk JA, Sijtsema NM.

Radiat Oncol. 2019 Jul 11;14(1):125. doi: 10.1186/s13014-019-1329-6.


International Guideline on Dose Prioritization and Acceptance Criteria in Radiation Therapy Planning for Nasopharyngeal Carcinoma.

Lee AW, Ng WT, Pan JJ, Chiang CL, Poh SS, Choi HC, Ahn YC, AlHussain H, Corry J, Grau C, Grégoire V, Harrington KJ, Hu CS, Kwong DL, Langendijk JA, Le QT, Lee NY, Lin JC, Lu TX, Mendenhall WM, O'Sullivan B, Ozyar E, Peters LJ, Rosenthal DI, Sanguineti G, Soong YL, Tao Y, Yom SS, Wee JT.

Int J Radiat Oncol Biol Phys. 2019 Nov 1;105(3):567-580. doi: 10.1016/j.ijrobp.2019.06.2540. Epub 2019 Jul 2. Erratum in: Int J Radiat Oncol Biol Phys. 2019 Dec 1;105(5):1166-1167.


Prevalence and clinical and psychological correlates of high fear of cancer recurrence in patients newly diagnosed with head and neck cancer.

Mirosevic S, Thewes B, van Herpen C, Kaanders J, Merkx T, Humphris G, Baatenburg de Jong RJ, Langendijk JA, Leemans CR, Terhaard CHJ, Verdonck-de Leeuw IM, Takes R, Prins J; NET-QUBIC Consortium.

Head Neck. 2019 Sep;41(9):3187-3200. doi: 10.1002/hed.25812. Epub 2019 Jun 7.


In vitro biological response of cancer and normal tissue cells to proton irradiation not affected by an added magnetic field.

Nagle PW, van Goethem MJ, Kempers M, Kiewit H, Knopf A, Langendijk JA, Brandenburg S, van Luijk P, Coppes RP.

Radiother Oncol. 2019 Aug;137:125-129. doi: 10.1016/j.radonc.2019.04.028. Epub 2019 May 11.


Composite minimax robust optimization of VMAT improves target coverage and reduces non-target dose in head and neck cancer patients.

Wagenaar D, Kierkels RGJ, Free J, Langendijk JA, Both S, Korevaar EW.

Radiother Oncol. 2019 Jul;136:71-77. doi: 10.1016/j.radonc.2019.03.019. Epub 2019 Apr 11.


Comprehensive 4D robustness evaluation for pencil beam scanned proton plans.

Ribeiro CO, Meijers A, Korevaar EW, Muijs CT, Both S, Langendijk JA, Knopf A.

Radiother Oncol. 2019 Jul;136:185-189. doi: 10.1016/j.radonc.2019.03.037. Epub 2019 Apr 20.


Development and evaluation of an auto-segmentation tool for the left anterior descending coronary artery of breast cancer patients based on anatomical landmarks.

van den Bogaard VAB, van Dijk LV, Vliegenthart R, Sijtsema NM, Langendijk JA, Maduro JH, Crijns APG.

Radiother Oncol. 2019 Jul;136:15-20. doi: 10.1016/j.radonc.2019.03.013. Epub 2019 Apr 4.


Selection of lymph node target volumes for definitive head and neck radiation therapy: a 2019 Update.

Biau J, Lapeyre M, Troussier I, Budach W, Giralt J, Grau C, Kazmierska J, Langendijk JA, Ozsahin M, O'Sullivan B, Bourhis J, Grégoire V.

Radiother Oncol. 2019 May;134:1-9. doi: 10.1016/j.radonc.2019.01.018. Epub 2019 Jan 30.


Cardiac Function After Radiation Therapy for Breast Cancer.

van den Bogaard VAB, van Luijk P, Hummel YM, van der Meer P, Schuit E, Boerman LM, Maass SWMC, Nauta JF, Steggink LC, Gietema JA, de Bock GH, Berendsen AJ, Smit WGJM, Sijtsema NM, Kierkels RGJ, Langendijk JA, Crijns APG, Maduro JH.

Int J Radiat Oncol Biol Phys. 2019 Jun 1;104(2):392-400. doi: 10.1016/j.ijrobp.2019.02.003. Epub 2019 Feb 11.


Assessment of Neurocognitive Impairment and Speech Functioning Before Head and Neck Cancer Treatment.

Piai V, Prins JB, Verdonck-de Leeuw IM, Leemans CR, Terhaard CHJ, Langendijk JA, Baatenburg de Jong RJ, Smit JH, Takes RP, Kessels RPC.

JAMA Otolaryngol Head Neck Surg. 2019 Mar 1;145(3):251-257. doi: 10.1001/jamaoto.2018.3981.


A Model-Based Approach to Predict Short-Term Toxicity Benefits With Proton Therapy for Oropharyngeal Cancer.

Rwigema JM, Langendijk JA, Paul van der Laan H, Lukens JN, Swisher-McClure SD, Lin A.

Int J Radiat Oncol Biol Phys. 2019 Jul 1;104(3):553-562. doi: 10.1016/j.ijrobp.2018.12.055. Epub 2019 Jan 6.


Radiotherapy for parapharyngeal space tumors.

Mendenhall WM, Strojan P, Beitler JJ, Langendijk JA, Suarez C, Lee AW, Rinaldo A, Rodrigo JP, Smee R, Eisbruch A, Harrison LB, Corry J, Ferlito A.

Am J Otolaryngol. 2019 Mar - Apr;40(2):289-291. doi: 10.1016/j.amjoto.2018.12.010. Epub 2018 Dec 21. Review.


Log file-based dose reconstruction and accumulation for 4D adaptive pencil beam scanned proton therapy in a clinical treatment planning system: Implementation and proof-of-concept.

Meijers A, Jakobi A, Stützer K, Guterres Marmitt G, Both S, Langendijk JA, Richter C, Knopf A.

Med Phys. 2019 Mar;46(3):1140-1149. doi: 10.1002/mp.13371. Epub 2019 Feb 4.


Prevalence and prediction of trismus in patients with head and neck cancer: A cross-sectional study.

van der Geer SJ, van Rijn PV, Kamstra JI, Langendijk JA, van der Laan BFAM, Roodenburg JLN, Dijkstra PU.

Head Neck. 2019 Jan;41(1):64-71. doi: 10.1002/hed.25369. Epub 2018 Dec 18.


Functional Swallowing Units (FSUs) as organs-at-risk for radiotherapy. PART 2: Advanced delineation guidelines for FSUs.

Gawryszuk A, Bijl HP, Holwerda M, Halmos GB, Wedman J, Witjes MJH, van der Vliet AM, Dorgelo B, Langendijk JA.

Radiother Oncol. 2019 Jan;130:68-74. doi: 10.1016/j.radonc.2018.09.022. Epub 2018 Dec 11.


Reply to Laprie A. et al.

Langendijk JA, Troost EGC, Haustermans K, Grau C, Weber DC.

Radiother Oncol. 2019 Jan;130:194. doi: 10.1016/j.radonc.2018.10.008. Epub 2018 Nov 13. No abstract available.


Functional Swallowing Units (FSUs) as organs-at-risk for radiotherapy. PART 1: Physiology and anatomy.

Gawryszuk A, Bijl HP, Holwerda M, Halmos GB, Wedman J, Witjes MJH, van der Vliet AM, Dorgelo B, Langendijk JA.

Radiother Oncol. 2019 Jan;130:62-67. doi: 10.1016/j.radonc.2018.10.028. Epub 2018 Nov 9.


External validation of a multifactorial normal tissue complication probability model for tube feeding dependence at 6 months after definitive radiotherapy for head and neck cancer.

Kanayama N, Kierkels RGJ, van der Schaaf A, Steenbakkers RJHM, Yoshioka Y, Nishiyama K, Fujii T, Ogawa K, Langendijk JA, Teshima T.

Radiother Oncol. 2018 Nov;129(2):403-408. doi: 10.1016/j.radonc.2018.09.013. Epub 2018 Oct 6.


Reproducibility of the lung anatomy under active breathing coordinator control: Dosimetric consequences for scanned proton treatments.

den Otter LA, Kaza E, Kierkels RGJ, Meijers A, Ubbels FJF, Leach MO, Collins DJ, Langendijk JA, Knopf AC.

Med Phys. 2018 Dec;45(12):5525-5534. doi: 10.1002/mp.13195. Epub 2018 Oct 19.


Automated Robust Proton Planning Using Dose-Volume Histogram-Based Mimicking of the Photon Reference Dose and Reducing Organ at Risk Dose Optimization.

Kierkels RGJ, Fredriksson A, Both S, Langendijk JA, Scandurra D, Korevaar EW.

Int J Radiat Oncol Biol Phys. 2019 Jan 1;103(1):251-258. doi: 10.1016/j.ijrobp.2018.08.023. Epub 2018 Aug 24.


Lack of DNA Damage Response at Low Radiation Doses in Adult Stem Cells Contributes to Organ Dysfunction.

Nagle PW, Hosper NA, Barazzuol L, Jellema AL, Baanstra M, van Goethem MJ, Brandenburg S, Giesen U, Langendijk JA, van Luijk P, Coppes RP.

Clin Cancer Res. 2018 Dec 15;24(24):6583-6593. doi: 10.1158/1078-0432.CCR-18-0533. Epub 2018 Aug 22.


Prospective data registration and clinical trials for particle therapy in Europe.

Langendijk JA, Orecchia R, Haustermans K, Zips D, Balosso J, Lacombe D, Lievens Y, Weber DC, Grau C, Troost EGC.

Radiother Oncol. 2018 Jul;128(1):9-13. doi: 10.1016/j.radonc.2018.06.001. Epub 2018 Jul 7. Review.


Development of a prediction model for late urinary incontinence, hematuria, pain and voiding frequency among irradiated prostate cancer patients.

Schaake W, van der Schaaf A, van Dijk LV, van den Bergh ACM, Langendijk JA.

PLoS One. 2018 Jul 17;13(7):e0197757. doi: 10.1371/journal.pone.0197757. eCollection 2018.


Parotid gland fat related Magnetic Resonance image biomarkers improve prediction of late radiation-induced xerostomia.

van Dijk LV, Thor M, Steenbakkers RJHM, Apte A, Zhai TT, Borra R, Noordzij W, Estilo C, Lee N, Langendijk JA, Deasy JO, Sijtsema NM.

Radiother Oncol. 2018 Sep;128(3):459-466. doi: 10.1016/j.radonc.2018.06.012. Epub 2018 Jun 26.


Proton therapy for pediatric malignancies: Fact, figures and costs. A joint consensus statement from the pediatric subcommittee of PTCOG, PROS and EPTN.

Weber DC, Habrand JL, Hoppe BS, Hill Kayser C, Laack NN, Langendijk JA, MacDonald SM, McGovern SL, Pater L, Perentesis JP, Thariat J, Timmerman B, Yock TI, Mahajan A.

Radiother Oncol. 2018 Jul;128(1):44-55. doi: 10.1016/j.radonc.2018.05.020. Epub 2018 Jun 21. Review.


"Radiobiology of Proton Therapy": Results of an international expert workshop.

Lühr A, von Neubeck C, Pawelke J, Seidlitz A, Peitzsch C, Bentzen SM, Bortfeld T, Debus J, Deutsch E, Langendijk JA, Loeffler JS, Mohan R, Scholz M, Sørensen BS, Weber DC, Baumann M, Krause M; “Radiobiology of Proton Therapy”.

Radiother Oncol. 2018 Jul;128(1):56-67. doi: 10.1016/j.radonc.2018.05.018. Epub 2018 Jun 1. Review.


Radiation dose constraints for organs at risk in neuro-oncology; the European Particle Therapy Network consensus.

Lambrecht M, Eekers DBP, Alapetite C, Burnet NG, Calugaru V, Coremans IEM, Fossati P, Høyer M, Langendijk JA, Méndez Romero A, Paulsen F, Perpar A, Renard L, de Ruysscher D, Timmermann B, Vitek P, Weber DC, van der Weide HL, Whitfield GA, Wiggenraad R, Roelofs E, Nyström PW, Troost EGC; work package 1 of the taskforce “European Particle Therapy Network” of ESTRO.

Radiother Oncol. 2018 Jul;128(1):26-36. doi: 10.1016/j.radonc.2018.05.001. Epub 2018 May 17. Review.


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