French Childhood Cancer Survivor Study (FCCSS)
29 juli 2026 uppdaterad av: Institut National de la Santé Et de la Recherche Médicale, France
Constitution d'Une Cohorte Nationale rétrospective de Survivants d'un Cancer Solide de l'Enfant diagnostiqué Avant 2000
The FCCSS is a multicentric national large-scale collaborative population-based study of children treated for a solid tumor before 2000 in France and before the age of 19 years.
The study is concerned by improving knowledge about the long-term effects caused by cancer and its treatments including adverse health and social outcomes.
The main reason of the FCCSS is to estimate the risk of adverse health and social outcomes that may occur after a cancer treatment and to prevent them by providing adapted follow-up care.
The cohort will be followed for up to 20 years from 2011.
Studieöversikt
Status
Rekrytering
Betingelser
Detaljerad beskrivning
The main objectives of the FCCSS are to:
- estimate the relationship between doses received (radiotherapy, chemotherapy) at a given organ and risk of second malignancy tumors;
- help identify patients at higher risk;
- compare the mortality occurred among the survivors with the general population;
- investigate the consequences of various intensities of exposure to chemotherapy and/or radiation on health outcomes (such as cardiovascular, cerebrovascular and thyroid diseases, diabetes,…);
- characterize survivors with respect to socioeconomic status and quality of life.
The cohort will be ascertained using:
- the medical records from the treatment centers in order to characterize the childhood cancer, estimate doses of radiotherapy received by all organs and measure the chemotherapy administered;
- the French National Identification Registry and the French Death Registry in order to obtain the vital status and the causes of the deaths for the former patients
- a self-questionnaire that covers the entire future of the survivors (e.g. social status, family network, fertile offspring, access to care, access to bank loans, occupation,...);
- the French National Health Insurance Information System that contains data on all reimbursements for health expenditure including medicinal products as well as outpatient medical and nursing care, prescribed or performed by healthcare professionals.
In an initial cohort, we have already studied the iatrogenic effects of the cancer treatments. We have estimated the doses of ionising radiations delivered by radiotherapy to the target volume and by organs at distance. We found an important role of the radiotherapy and chemotherapy in the risk of a second cancer:
- the cancers occuring after childhood cancer are in excess compared to the general population,
- we studied the relationship between the brain radiation dose and the cerebrovascular mortality,
- there is a high risk of cardiac pathology after anthracyclines administration for a childhood cancer,
- cancer treatments increase the risk of second malignant neoplasms in digestive organs after a very long latency period,
- the risk of thyroid adenoma increased with the radiation dose received by the thyroid during childhood cancer treatment, and plateaued at high doses,
- there is a high long-term mortality risk for all types of second malignant neoplasms whatever the treatment received.
Studietyp
Observationell
Inskrivning (Beräknad)
18000
Kontakter och platser
Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.
Studiekontakt
- Namn: Florent F. de Vathaire, Ph.D
- E-post: florent.devathaire@igr.fr
Studieorter
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Amiens, Frankrike, 80054
- Aktiv, inte rekryterande
- Centre Hospital-Universitaire Hôpital Nord
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Angers, Frankrike, 49933
- Aktiv, inte rekryterande
- Centre Hospitalier-Universitaire
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Besançon, Frankrike, 25030
- Aktiv, inte rekryterande
- Centre Hospitalier Régional Universitaire Hôpital Saint-Jacques
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Bordeaux, Frankrike, 33076
- Aktiv, inte rekryterande
- Groupe Hospitalier Pellegrin
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Caen, Frankrike, 14033
- Aktiv, inte rekryterande
- Centre Hospitalier Universaitaire Hôpital Côte de Nacre
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Clermont-Ferrand, Frankrike, 63003
- Aktiv, inte rekryterande
- Centre Hospitalier Universitaire Hôpial Hôtel Dieu
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Dijon, Frankrike, 21000
- Aktiv, inte rekryterande
- Centre Hospitalier Universaitaire hôpital d'enfants
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Grenoble, Frankrike, 38043
- Aktiv, inte rekryterande
- Hôpital La Tronche
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Lille, Frankrike, 59020
- Aktiv, inte rekryterande
- Centre Oscar Lambret
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Lille, Frankrike, 59037
- Aktiv, inte rekryterande
- Hôpital Jeanne de Flandre
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Limoges, Frankrike, 87042
- Aktiv, inte rekryterande
- Hôpital de la mère et de l'enfant
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Lyon, Frankrike, 69008
- Aktiv, inte rekryterande
- Institut d'Hématologie et Oncologie Pédiatrique
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Lyon, Frankrike, 69373
- Aktiv, inte rekryterande
- Centre Régional de Lutte Contre le Cancer Centre Léon Bérard
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Margency, Frankrike, 95580
- Aktiv, inte rekryterande
- Hôpital d'Enfants de Margency (HEM) Croix Rouge Française
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Marseille, Frankrike, 13385
- Aktiv, inte rekryterande
- AP-HM Hôpital de la Timone
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Montpellier, Frankrike, 34295
- Aktiv, inte rekryterande
- Hopital Arnaud de Villeneuve
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Nantes, Frankrike, 44093
- Aktiv, inte rekryterande
- Centre Hospitalier Universaitaire Hôpital mère-enfant
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Nice, Frankrike, 06189
- Rekrytering
- Centre Antoine Lacassagne
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Nice, Frankrike, 06200
- Aktiv, inte rekryterande
- GCS Hôpitaux pédiatriques Centre Hospitalier Universitaire Lenval
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Paris, Frankrike, 75248
- Rekrytering
- Institut Curie
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Paris, Frankrike, 75571
- Aktiv, inte rekryterande
- Hôpital Armand Trousseau
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Poitiers, Frankrike, 86021
- Aktiv, inte rekryterande
- CHRU de Poitiers La Miletrie
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Reims, Frankrike, 51056
- Rekrytering
- Institut Jean Godinot
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Reims, Frankrike, 51090
- Aktiv, inte rekryterande
- Centre Hospitalier Universitaire de Reims Hôpital Maison Blanche
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Rennes, Frankrike, 35203
- Aktiv, inte rekryterande
- Centre Hospitalier Universitaire Hôpital Sud
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Rouen, Frankrike, 76038
- Aktiv, inte rekryterande
- Hôpital Charles-Nicolle
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Saint-Etienne, Frankrike, 42055
- Aktiv, inte rekryterande
- Centre Hospitalier Universitaire Hôpital Nord
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Saint-Herblain, Frankrike, 44805
- Aktiv, inte rekryterande
- Centre René Gauducheau de Nantes Atlantique
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Saintes, Frankrike, 17108
- Aktiv, inte rekryterande
- Centre Hospitalier de Saintonge
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Strasbourg, Frankrike, 67098
- Aktiv, inte rekryterande
- Hopital Hautepierre
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Toulouse, Frankrike, 31052
- Rekrytering
- Institut Claudius Regaud
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Toulouse, Frankrike, 31059
- Aktiv, inte rekryterande
- Hopital des Enfants
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Tours, Frankrike, 37000
- Aktiv, inte rekryterande
- Hôpital Clocheville
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Vandœuvre-lès-Nancy, Frankrike, 54500
- Aktiv, inte rekryterande
- Hôpital Brabois enfants CHU de Nancy
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Vandœuvre-lès-Nancy, Frankrike, 54511
- Aktiv, inte rekryterande
- Centre Régional de Lutte Contre le Cancer de Lorraine ALEXIS VAUTRIN
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Villejuif, Frankrike, 94805
- Rekrytering
- Institut Gustave Roussy
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Deltagandekriterier
Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.
Urvalskriterier
Åldrar som är berättigade till studier
Inte äldre än 18 år (Barn, Vuxen)
Tar emot friska volontärer
Nej
Testmetod
Icke-sannolikhetsprov
Studera befolkning
The study population includes all types of solid childhood cancer cases (with the exception of leukemia) treated in, or before the end of, 1999.
The study population is based on the French clinical trials, registries, cohorts and department of paediatric oncology.
Beskrivning
Inclusion Criteria:
- All types of solid childhood cancer in France
- Age at diagnosis: Below age 19
- Period of diagnosis: between 1st January 1942 and 31st December 1999
- Complete identification (first name, last name, date of birth and place of birth)
Exclusion Criteria:
- Leukaemia cases
Studieplan
Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.
Hur är studien utformad?
Designdetaljer
Kohorter och interventioner
Grupp / Kohort |
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Treatment cohort (chemo/radiotherapy)
- those who have survived at least 5 years from the date of diagnosis
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Self-questionnaire cohort
- those with a complete address, who come of age, are still alive and sent back a signed consent agreement
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Medical Insurance cohort
- those who come of age and authorize the access to the medical facilities of the French Health Insurance Information System
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
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All health events of interest
Tidsram: by time since diagnosis of solid childhood cancer
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by time since diagnosis of solid childhood cancer
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Samarbetspartners och utredare
Det är här du hittar personer och organisationer som är involverade i denna studie.
Samarbetspartners
Utredare
- Huvudutredare: Florent F. de Vathaire, Ph.D., Institut National de la Santé Et de la Recherche Médicale, France
Publikationer och användbara länkar
Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.
Allmänna publikationer
- Pein F, Iserin L, de Vathaire F, Lemerle J. [Cardiac toxicity of cancer treatment regimes in children and adolescents: physiopathology, clinical data and the paediatric oncologist's point of view]. Bull Cancer. 2004 Nov;91 Suppl 3:185-91. French.
- Haddy N, El-Fayech C, Guibout C, Adjadj E, Thomas-Teinturier C, Oberlin O, Veres C, Pacquement H, Jackson A, Munzer M, N'Guyen TD, Bondiau PY, Berchery D, Laprie A, Bridier A, Lefkopoulos D, Schlumberger M, Rubino C, Diallo I, de Vathaire F. Thyroid adenomas after solid cancer in childhood. Int J Radiat Oncol Biol Phys. 2012 Oct 1;84(2):e209-15. doi: 10.1016/j.ijrobp.2012.03.044. Epub 2012 Jun 5.
- Tukenova M, Diallo I, Anderson H, Hawkins M, Garwicz S, Sankila R, El Fayech C, Winter D, Rubino C, Adjadj E, Haddy N, Oberlin O, Moller T, Langmark F, Tryggvadottir L, Pacquement H, Svahn-Tapper G, de Vathaire F. Second malignant neoplasms in digestive organs after childhood cancer: a cohort-nested case-control study. Int J Radiat Oncol Biol Phys. 2012 Mar 1;82(3):e383-90. doi: 10.1016/j.ijrobp.2011.05.069.
- Haddy N, Mousannif A, Tukenova M, Guibout C, Grill J, Dhermain F, Pacquement H, Oberlin O, El-Fayech C, Rubino C, Thomas-Teinturier C, Le-Deley MC, Hawkins M, Winter D, Chavaudra J, Diallo I, de Vathaire F. Relationship between the brain radiation dose for the treatment of childhood cancer and the risk of long-term cerebrovascular mortality. Brain. 2011 May;134(Pt 5):1362-72. doi: 10.1093/brain/awr071.
- Dufour C, Oberlin O, De Vathaire F. [Offspring of childhood cancer survivors]. Arch Pediatr. 2010 Jun;17(6):926-7. doi: 10.1016/S0929-693X(10)70182-2. No abstract available. French.
- Tukenova M, Guibout C, Hawkins M, Quiniou E, Mousannif A, Pacquement H, Winter D, Bridier A, Lefkopoulos D, Oberlin O, Diallo I, de Vathaire F. Radiation therapy and late mortality from second sarcoma, carcinoma, and hematological malignancies after a solid cancer in childhood. Int J Radiat Oncol Biol Phys. 2011 Jun 1;80(2):339-46. doi: 10.1016/j.ijrobp.2010.02.004. Epub 2010 Jun 18.
- Tukenova M, Diallo I, Hawkins M, Guibout C, Quiniou E, Pacquement H, Dhermain F, Shamsaldin A, Oberlin O, de Vathaire F. Long-term mortality from second malignant neoplasms in 5-year survivors of solid childhood tumors: temporal pattern of risk according to type of treatment. Cancer Epidemiol Biomarkers Prev. 2010 Mar;19(3):707-15. doi: 10.1158/1055-9965.EPI-09-1156. Epub 2010 Mar 3.
- Tukenova M, Guibout C, Oberlin O, Doyon F, Mousannif A, Haddy N, Guerin S, Pacquement H, Aouba A, Hawkins M, Winter D, Bourhis J, Lefkopoulos D, Diallo I, de Vathaire F. Role of cancer treatment in long-term overall and cardiovascular mortality after childhood cancer. J Clin Oncol. 2010 Mar 10;28(8):1308-15. doi: 10.1200/JCO.2008.20.2267. Epub 2010 Feb 8.
- Diallo I, Haddy N, Adjadj E, Samand A, Quiniou E, Chavaudra J, Alziar I, Perret N, Guerin S, Lefkopoulos D, de Vathaire F. Frequency distribution of second solid cancer locations in relation to the irradiated volume among 115 patients treated for childhood cancer. Int J Radiat Oncol Biol Phys. 2009 Jul 1;74(3):876-83. doi: 10.1016/j.ijrobp.2009.01.040. Epub 2009 Apr 20.
- Nguyen F, Rubino C, Guerin S, Diallo I, Samand A, Hawkins M, Oberlin O, Lefkopoulos D, De Vathaire F. Risk of a second malignant neoplasm after cancer in childhood treated with radiotherapy: correlation with the integral dose restricted to the irradiated fields. Int J Radiat Oncol Biol Phys. 2008 Mar 1;70(3):908-15. doi: 10.1016/j.ijrobp.2007.10.034.
- Guerin S, Hawkins M, Shamsaldin A, Guibout C, Diallo I, Oberlin O, Brugieres L, de Vathaire F. Treatment-adjusted predisposition to second malignant neoplasms after a solid cancer in childhood: a case-control study. J Clin Oncol. 2007 Jul 1;25(19):2833-9. doi: 10.1200/JCO.2006.09.6719.
- Guerin S, Guibout C, Shamsaldin A, Dondon MG, Diallo I, Hawkins M, Oberlin O, Hartmann O, Michon J, Le Deley MC, de Vathaire F. Concomitant chemo-radiotherapy and local dose of radiation as risk factors for second malignant neoplasms after solid cancer in childhood: a case-control study. Int J Cancer. 2007 Jan 1;120(1):96-102. doi: 10.1002/ijc.22197.
- Haddy N, Le Deley MC, Samand A, Diallo I, Guerin S, Guibout C, Oberlin O, Hawkins M, Zucker JM, de Vathaire F. Role of radiotherapy and chemotherapy in the risk of secondary leukaemia after a solid tumour in childhood. Eur J Cancer. 2006 Nov;42(16):2757-64. doi: 10.1016/j.ejca.2006.05.034. Epub 2006 Sep 11.
- Guibout C, Adjadj E, Rubino C, Shamsaldin A, Grimaud E, Hawkins M, Mathieu MC, Oberlin O, Zucker JM, Panis X, Lagrange JL, Daly-Schveitzer N, Chavaudra J, de Vathaire F. Malignant breast tumors after radiotherapy for a first cancer during childhood. J Clin Oncol. 2005 Jan 1;23(1):197-204. doi: 10.1200/JCO.2005.06.225.
- Menu-Branthomme A, Rubino C, Shamsaldin A, Hawkins MM, Grimaud E, Dondon MG, Hardiman C, Vassal G, Campbell S, Panis X, Daly-Schveitzer N, Lagrange JL, Zucker JM, Chavaudra J, Hartman O, de Vathaire F. Radiation dose, chemotherapy and risk of soft tissue sarcoma after solid tumours during childhood. Int J Cancer. 2004 May 20;110(1):87-93. doi: 10.1002/ijc.20002.
- Rubino C, Adjadj E, Guerin S, Guibout C, Shamsaldin A, Dondon MG, Valteau-Couanet D, Hartmann O, Hawkins M, de Vathaire F. Long-term risk of second malignant neoplasms after neuroblastoma in childhood: role of treatment. Int J Cancer. 2003 Dec 10;107(5):791-6. doi: 10.1002/ijc.11455.
- Guerin S, Dupuy A, Anderson H, Shamsaldin A, Svahn-Tapper G, Moller T, Quiniou E, Garwicz S, Hawkins M, Avril MF, Oberlin O, Chavaudra J, de Vathaire F. Radiation dose as a risk factor for malignant melanoma following childhood cancer. Eur J Cancer. 2003 Nov;39(16):2379-86. doi: 10.1016/s0959-8049(03)00663-4.
- de Vathaire F, Hardiman C, Shamsaldin A, Campbell S, Grimaud E, Hawkins M, Raquin M, Oberlin O, Diallo I, Zucker JM, Panis X, Lagrange JL, Daly-Schveitzer N, Lemerle J, Chavaudra J, Schlumberger M, Bonaiti C. Thyroid carcinomas after irradiation for a first cancer during childhood. Arch Intern Med. 1999 Dec 13-27;159(22):2713-9. doi: 10.1001/archinte.159.22.2713.
- de Vathaire F, Hawkins M, Campbell S, Oberlin O, Raquin MA, Schlienger JY, Shamsaldin A, Diallo I, Bell J, Grimaud E, Hardiman C, Lagrange JL, Daly-Schveitzer N, Panis X, Zucker JM, Sancho-Garnier H, Eschwege F, Chavaudra J, Lemerle J. Second malignant neoplasms after a first cancer in childhood: temporal pattern of risk according to type of treatment. Br J Cancer. 1999 Apr;79(11-12):1884-93. doi: 10.1038/sj.bjc.6690300.
- Little MP, de Vathaire F, Shamsaldin A, Oberlin O, Campbell S, Grimaud E, Chavaudra J, Haylock RG, Muirhead CR. Risks of brain tumour following treatment for cancer in childhood: modification by genetic factors, radiotherapy and chemotherapy. Int J Cancer. 1998 Oct 29;78(3):269-75. doi: 10.1002/(SICI)1097-0215(19981029)78:33.0.CO;2-T.
- Le Vu B, de Vathaire F, Shamsaldin A, Hawkins MM, Grimaud E, Hardiman C, Diallo I, Vassal G, Bessa E, Campbell S, Panis X, Daly-Schveitzer N, Lagrange JL, Zucker JM, Eschwege F, Chavaudra J, Lemerle J. Radiation dose, chemotherapy and risk of osteosarcoma after solid tumours during childhood. Int J Cancer. 1998 Jul 29;77(3):370-7. doi: 10.1002/(sici)1097-0215(19980729)77:33.0.co;2-c.
- de Vathaire F, Shamsaldin A, Grimaud E, Campbell S, Guerra M, Raquin M, Bessa E, Hardiman C, Jan P, Rumeau N, et al. Solid malignant neoplasms after childhood irradiation: decrease of the relative risk with time after irradiation. C R Acad Sci III. 1995 Apr;318(4):483-90.
- Pein F, Sakiroglu O, Dahan M, Lebidois J, Merlet P, Shamsaldin A, Villain E, de Vathaire F, Sidi D, Hartmann O. Cardiac abnormalities 15 years and more after adriamycin therapy in 229 childhood survivors of a solid tumour at the Institut Gustave Roussy. Br J Cancer. 2004 Jul 5;91(1):37-44. doi: 10.1038/sj.bjc.6601904.
- Guldner L, Haddy N, Pein F, Diallo I, Shamsaldin A, Dahan M, Lebidois J, Merlet P, Villain E, Sidi D, Sakiroglu O, Hartmann O, Leftakopoulos D, de Vathaire F. Radiation dose and long term risk of cardiac pathology following radiotherapy and anthracyclin for a childhood cancer. Radiother Oncol. 2006 Oct;81(1):47-56. doi: 10.1016/j.radonc.2006.08.020. Epub 2006 Sep 20.
- Shamsaldin A, Grimaud E, Hardiman C, Diallo I, de-Vathaire F, Chavaudra J. Dose distribution throughout the body from radiotherapy for Hodgkin's disease in childhood. Radiother Oncol. 1998 Oct;49(1):85-90. doi: 10.1016/s0167-8140(98)00110-8.
- de Vathaire F, Francois P, Schlumberger M, Schweisguth O, Hardiman C, Grimaud E, Oberlin O, Hill C, Lemerle J, Flamant R. Epidemiological evidence for a common mechanism for neuroblastoma and differentiated thyroid tumour. Br J Cancer. 1992 Mar;65(3):425-8. doi: 10.1038/bjc.1992.87.
- de Vathaire F, Francois P, Hill C, Schweisguth O, Rodary C, Sarrazin D, Oberlin O, Beurtheret C, Dutreix A, Flamant R. Role of radiotherapy and chemotherapy in the risk of second malignant neoplasms after cancer in childhood. Br J Cancer. 1989 May;59(5):792-6. doi: 10.1038/bjc.1989.165.
- de Vathaire F, Schweisguth O, Rodary C, Francois P, Sarrazin D, Oberlin O, Hill C, Raquin MA, Dutreix A, Flamant R. Long-term risk of second malignant neoplasm after a cancer in childhood. Br J Cancer. 1989 Mar;59(3):448-52. doi: 10.1038/bjc.1989.92.
- de Vathaire F, Francois P, Schweisguth O, Oberlin O, Le MG. Irradiated neuroblastoma in childhood as potential risk factor for subsequent thyroid tumour. Lancet. 1988 Aug 20;2(8608):455. doi: 10.1016/s0140-6736(88)90445-x. No abstract available.
- de Vathaire F, El-Fayech C, Ben Ayed FF, Haddy N, Guibout C, Winter D, Thomas-Teinturier C, Veres C, Jackson A, Pacquement H, Schlumberger M, Hawkins M, Diallo I, Oberlin O. Radiation dose to the pancreas and risk of diabetes mellitus in childhood cancer survivors: a retrospective cohort study. Lancet Oncol. 2012 Oct;13(10):1002-10. doi: 10.1016/S1470-2045(12)70323-6. Epub 2012 Aug 23.
- Locquet M, Vu DH, Allodji R, Journy N, El-Fayech C, Demoor-Goldschmidt C, Lenez L, Thomas-Teinturier C, Bolle S, Haddy N, Vu-Bezin G, Dumas A, Rajaonera D, Bougas N, Grill J, Dufour C, Pacquement H, Diallo I, Le-Provost JB, Doz F, Fresneau B, Vathaire F. Fatigue among adult survivors of childhood cancer: findings from the French Childhood Cancer Survivor Study. J Cancer Surviv. 2026 Mar 14. doi: 10.1007/s11764-026-01995-6. Online ahead of print.
- de Vathaire F, Haddy N, Allodji RS, Hawkins M, Guibout C, El-Fayech C, Teinturier C, Oberlin O, Pacquement H, Diop F, Kalhouche A, Benadjaoud M, Winter D, Jackson A, Bezin Mai-Quynh G, Benabdennebi A, Llanas D, Veres C, Munzer M, Nguyen TD, Bondiau PY, Berchery D, Laprie A, Deutsch E, Lefkopoulos D, Schlumberger M, Diallo I, Rubino C. Thyroid Radiation Dose and Other Risk Factors of Thyroid Carcinoma Following Childhood Cancer. J Clin Endocrinol Metab. 2015 Nov;100(11):4282-90. doi: 10.1210/jc.2015-1690. Epub 2015 Sep 1.
Användbara länkar
Studieavstämningsdatum
Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.
Studera stora datum
Studiestart (Faktisk)
15 november 2011
Primärt slutförande (Beräknad)
15 november 2031
Avslutad studie (Beräknad)
15 november 2031
Studieregistreringsdatum
Först inskickad
13 juni 2012
Först inskickad som uppfyllde QC-kriterierna
14 juni 2012
Första postat (Beräknad)
15 juni 2012
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
30 juli 2026
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
29 juli 2026
Senast verifierad
1 juli 2026
Mer information
Termer relaterade till denna studie
Andra studie-ID-nummer
- C12-25
Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .