Cystic Fibrosis Clinical Trial
— MUCO-PNNOfficial title:
Functional and Phenotypic Characteristics of Blood Neutrophils in Cystic Fibrosis
The purpose of this prospective study is to analyze function and phenotype of blood neutrophils in cystic fibrosis patients and the impact of Pseudomonas aeruginosa chronic infection, treatment with CFTR modulators and acute exacerbation on blood neutrophils phenotype and function.
Status | Recruiting |
Enrollment | 130 |
Est. completion date | October 2024 |
Est. primary completion date | July 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Patient over the age of 18 who is not under legal protection - Patients with CF according to the diagnostic criteria of the Cystic Fibrosis Foundation including: - 15 patients with severe mutation but not chronically infected with PA and not treated with lumacaftor / ivacaftor - 15 patients homozygous phe508del, chronically infected with PA and not treated with lumacaftor / ivacaftor - 15 patients homozygous phe508del, chronically infected with PA and treated with lumacaftor / ivacaftor - 15 hospitalized patients for respiratory exacerbation - 40 patients initiating Ivacaftor-Tezacaftor-Elexacaftor treatment. - No change in baseline treatment for 15 days (including antibiotic treatment). - Patient affiliated to a social security system - Free, informed and written consent, dated and signed by the patient and the investigator, at the latest on the day of inclusion and before any action required by the study. Exclusion Criteria: - Informed consent impossible to obtain - Involvement in an interventional research protocol in the previous 3 months if exclusion directive was given in this protocol. |
Country | Name | City | State |
---|---|---|---|
France | Cochin hospital, AP-HP | Paris |
Lead Sponsor | Collaborator |
---|---|
Assistance Publique - Hôpitaux de Paris | Institut National de la Santé Et de la Recherche Médicale, France |
France,
Adib-Conquy M, Pedron T, Petit-Bertron AF, Tabary O, Corvol H, Jacquot J, Clement A, Cavaillon JM. Neutrophils in cystic fibrosis display a distinct gene expression pattern. Mol Med. 2008 Jan-Feb;14(1-2):36-44. doi: 10.2119/2007-00081.Adib-Conquy. — View Citation
Bonvillain RW, Painter RG, Adams DE, Viswanathan A, Lanson NA Jr, Wang G. RNA interference against CFTR affects HL60-derived neutrophil microbicidal function. Free Radic Biol Med. 2010 Dec 15;49(12):1872-80. doi: 10.1016/j.freeradbiomed.2010.09.012. Epub 2010 Sep 24. — View Citation
Bouayad D, Pederzoli-Ribeil M, Mocek J, Candalh C, Arlet JB, Hermine O, Reuter N, Davezac N, Witko-Sarsat V. Nuclear-to-cytoplasmic relocalization of the proliferating cell nuclear antigen (PCNA) during differentiation involves a chromosome region maintenance 1 (CRM1)-dependent export and is a prerequisite for PCNA antiapoptotic activity in mature neutrophils. J Biol Chem. 2012 Sep 28;287(40):33812-25. doi: 10.1074/jbc.M112.367839. Epub 2012 Jul 30. — View Citation
Bruijnzeel PL, Uddin M, Koenderman L. Targeting neutrophilic inflammation in severe neutrophilic asthma: can we target the disease-relevant neutrophil phenotype? J Leukoc Biol. 2015 Oct;98(4):549-56. doi: 10.1189/jlb.3VMR1214-600RR. Epub 2015 May 14. — View Citation
Bulloch MN, Hanna C, Giovane R. Lumacaftor/ivacaftor, a novel agent for the treatment of cystic fibrosis patients who are homozygous for the F580del CFTR mutation. Expert Rev Clin Pharmacol. 2017 Oct;10(10):1055-1072. doi: 10.1080/17512433.2017.1378094. Epub 2017 Sep 22. — View Citation
Cantin A. Cystic fibrosis lung inflammation: early, sustained, and severe. Am J Respir Crit Care Med. 1995 Apr;151(4):939-41. doi: 10.1164/ajrccm.151.4.7697269. No abstract available. — View Citation
Chiara AD, Pederzoli-Ribeil M, Burgel PR, Danel C, Witko-Sarsat V. Targeting cytosolic proliferating cell nuclear antigen in neutrophil-dominated inflammation. Front Immunol. 2012 Oct 9;3:311. doi: 10.3389/fimmu.2012.00311. eCollection 2012. — View Citation
Dibbert B, Weber M, Nikolaizik WH, Vogt P, Schoni MH, Blaser K, Simon HU. Cytokine-mediated Bax deficiency and consequent delayed neutrophil apoptosis: a general mechanism to accumulate effector cells in inflammation. Proc Natl Acad Sci U S A. 1999 Nov 9;96(23):13330-5. doi: 10.1073/pnas.96.23.13330. — View Citation
Downey DG, Bell SC, Elborn JS. Neutrophils in cystic fibrosis. Thorax. 2009 Jan;64(1):81-8. doi: 10.1136/thx.2007.082388. — View Citation
Fadok VA, Bratton DL, Henson PM. Phagocyte receptors for apoptotic cells: recognition, uptake, and consequences. J Clin Invest. 2001 Oct;108(7):957-62. doi: 10.1172/JCI14122. No abstract available. — View Citation
Futosi K, Mocsai A. Tyrosine kinase signaling pathways in neutrophils. Immunol Rev. 2016 Sep;273(1):121-39. doi: 10.1111/imr.12455. — View Citation
Gilroy DW, Lawrence T, Perretti M, Rossi AG. Inflammatory resolution: new opportunities for drug discovery. Nat Rev Drug Discov. 2004 May;3(5):401-16. doi: 10.1038/nrd1383. No abstract available. — View Citation
Hayes E, Pohl K, McElvaney NG, Reeves EP. The cystic fibrosis neutrophil: a specialized yet potentially defective cell. Arch Immunol Ther Exp (Warsz). 2011 Apr;59(2):97-112. doi: 10.1007/s00005-011-0113-6. Epub 2011 Feb 11. — View Citation
Heijerman HGM, McKone EF, Downey DG, Van Braeckel E, Rowe SM, Tullis E, Mall MA, Welter JJ, Ramsey BW, McKee CM, Marigowda G, Moskowitz SM, Waltz D, Sosnay PR, Simard C, Ahluwalia N, Xuan F, Zhang Y, Taylor-Cousar JL, McCoy KS; VX17-445-103 Trial Group. Efficacy and safety of the elexacaftor plus tezacaftor plus ivacaftor combination regimen in people with cystic fibrosis homozygous for the F508del mutation: a double-blind, randomised, phase 3 trial. Lancet. 2019 Nov 23;394(10212):1940-1948. doi: 10.1016/S0140-6736(19)32597-8. Epub 2019 Oct 31. Erratum In: Lancet. 2020 May 30;395(10238):1694. — View Citation
Khan TZ, Wagener JS, Bost T, Martinez J, Accurso FJ, Riches DW. Early pulmonary inflammation in infants with cystic fibrosis. Am J Respir Crit Care Med. 1995 Apr;151(4):1075-82. doi: 10.1164/ajrccm/151.4.1075. — View Citation
Koenderman L, Chilvers ER. Future treatment in patients with chronic obstructive pulmonary disease: to reverse or not to reverse steroid resistance-that is the question. J Allergy Clin Immunol. 2014 Aug;134(2):323-4. doi: 10.1016/j.jaci.2014.04.030. Epub 2014 Jun 13. No abstract available. — View Citation
Laval J, Touhami J, Herzenberg LA, Conrad C, Taylor N, Battini JL, Sitbon M, Tirouvanziam R. Metabolic adaptation of neutrophils in cystic fibrosis airways involves distinct shifts in nutrient transporter expression. J Immunol. 2013 Jun 15;190(12):6043-50. doi: 10.4049/jimmunol.1201755. Epub 2013 May 20. — View Citation
Leliefeld PH, Koenderman L, Pillay J. How Neutrophils Shape Adaptive Immune Responses. Front Immunol. 2015 Sep 14;6:471. doi: 10.3389/fimmu.2015.00471. eCollection 2015. — View Citation
Mantovani A, Cassatella MA, Costantini C, Jaillon S. Neutrophils in the activation and regulation of innate and adaptive immunity. Nat Rev Immunol. 2011 Jul 25;11(8):519-31. doi: 10.1038/nri3024. — View Citation
Martin C, Ohayon D, Alkan M, Mocek J, Pederzoli-Ribeil M, Candalh C, Thevenot G, Millet A, Tamassia N, Cassatella MA, Thieblemont N, Burgel PR, Witko-Sarsat V. Neutrophil-Expressed p21/waf1 Favors Inflammation Resolution in Pseudomonas aeruginosa Infection. Am J Respir Cell Mol Biol. 2016 May;54(5):740-50. doi: 10.1165/rcmb.2015-0047OC. — View Citation
McKeon DJ, Condliffe AM, Cowburn AS, Cadwallader KC, Farahi N, Bilton D, Chilvers ER. Prolonged survival of neutrophils from patients with Delta F508 CFTR mutations. Thorax. 2008 Jul;63(7):660-1. doi: 10.1136/thx.2008.096834. No abstract available. — View Citation
Meijer L, Nelson DJ, Riazanski V, Gabdoulkhakova AG, Hery-Arnaud G, Le Berre R, Loaec N, Oumata N, Galons H, Nowak E, Gueganton L, Dorothee G, Prochazkova M, Hall B, Kulkarni AB, Gray RD, Rossi AG, Witko-Sarsat V, Norez C, Becq F, Ravel D, Mottier D, Rault G. Modulating Innate and Adaptive Immunity by (R)-Roscovitine: Potential Therapeutic Opportunity in Cystic Fibrosis. J Innate Immun. 2016;8(4):330-49. doi: 10.1159/000444256. Epub 2016 Mar 18. — View Citation
Moriceau S, Kantari C, Mocek J, Davezac N, Gabillet J, Guerrera IC, Brouillard F, Tondelier D, Sermet-Gaudelus I, Danel C, Lenoir G, Daniel S, Edelman A, Witko-Sarsat V. Coronin-1 is associated with neutrophil survival and is cleaved during apoptosis: potential implication in neutrophils from cystic fibrosis patients. J Immunol. 2009 Jun 1;182(11):7254-63. doi: 10.4049/jimmunol.0803312. — View Citation
Moriceau S, Lenoir G, Witko-Sarsat V. In cystic fibrosis homozygotes and heterozygotes, neutrophil apoptosis is delayed and modulated by diamide or roscovitine: evidence for an innate neutrophil disturbance. J Innate Immun. 2010;2(3):260-6. doi: 10.1159/000295791. Epub 2010 Mar 10. — View Citation
Ohayon D, De Chiara A, Chapuis N, Candalh C, Mocek J, Ribeil JA, Haddaoui L, Ifrah N, Hermine O, Bouillaud F, Frachet P, Bouscary D, Witko-Sarsat V. Cytoplasmic proliferating cell nuclear antigen connects glycolysis and cell survival in acute myeloid leukemia. Sci Rep. 2016 Oct 19;6:35561. doi: 10.1038/srep35561. — View Citation
Peranzoni E, Zilio S, Marigo I, Dolcetti L, Zanovello P, Mandruzzato S, Bronte V. Myeloid-derived suppressor cell heterogeneity and subset definition. Curr Opin Immunol. 2010 Apr;22(2):238-44. doi: 10.1016/j.coi.2010.01.021. Epub 2010 Feb 17. — View Citation
Pillay J, Kamp VM, van Hoffen E, Visser T, Tak T, Lammers JW, Ulfman LH, Leenen LP, Pickkers P, Koenderman L. A subset of neutrophils in human systemic inflammation inhibits T cell responses through Mac-1. J Clin Invest. 2012 Jan;122(1):327-36. doi: 10.1172/JCI57990. Epub 2011 Dec 12. — View Citation
Pillay J, Ramakers BP, Kamp VM, Loi AL, Lam SW, Hietbrink F, Leenen LP, Tool AT, Pickkers P, Koenderman L. Functional heterogeneity and differential priming of circulating neutrophils in human experimental endotoxemia. J Leukoc Biol. 2010 Jul;88(1):211-20. doi: 10.1189/jlb.1209793. Epub 2010 Apr 16. — View Citation
Pillay J, Tak T, Kamp VM, Koenderman L. Immune suppression by neutrophils and granulocytic myeloid-derived suppressor cells: similarities and differences. Cell Mol Life Sci. 2013 Oct;70(20):3813-27. doi: 10.1007/s00018-013-1286-4. Epub 2013 Feb 20. — View Citation
Rossi AG, Sawatzky DA, Walker A, Ward C, Sheldrake TA, Riley NA, Caldicott A, Martinez-Losa M, Walker TR, Duffin R, Gray M, Crescenzi E, Martin MC, Brady HJ, Savill JS, Dransfield I, Haslett C. Cyclin-dependent kinase inhibitors enhance the resolution of inflammation by promoting inflammatory cell apoptosis. Nat Med. 2006 Sep;12(9):1056-64. doi: 10.1038/nm1468. Epub 2006 Sep 3. Erratum In: Nat Med. 2006 Dec;12(12):1434. Dosage error in article text. — View Citation
Scapini P, Marini O, Tecchio C, Cassatella MA. Human neutrophils in the saga of cellular heterogeneity: insights and open questions. Immunol Rev. 2016 Sep;273(1):48-60. doi: 10.1111/imr.12448. — View Citation
Uhel F, Azzaoui I, Gregoire M, Pangault C, Dulong J, Tadie JM, Gacouin A, Camus C, Cynober L, Fest T, Le Tulzo Y, Roussel M, Tarte K. Early Expansion of Circulating Granulocytic Myeloid-derived Suppressor Cells Predicts Development of Nosocomial Infections in Patients with Sepsis. Am J Respir Crit Care Med. 2017 Aug 1;196(3):315-327. doi: 10.1164/rccm.201606-1143OC. — View Citation
Warbrick E. A functional analysis of PCNA-binding peptides derived from protein sequence, interaction screening and rational design. Oncogene. 2006 May 11;25(20):2850-9. doi: 10.1038/sj.onc.1209320. — View Citation
Witko-Sarsat V, Allen RC, Paulais M, Nguyen AT, Bessou G, Lenoir G, Descamps-Latscha B. Disturbed myeloperoxidase-dependent activity of neutrophils in cystic fibrosis homozygotes and heterozygotes, and its correction by amiloride. J Immunol. 1996 Sep 15;157(6):2728-35. — View Citation
Witko-Sarsat V, Cramer EM, Hieblot C, Guichard J, Nusbaum P, Lopez S, Lesavre P, Halbwachs-Mecarelli L. Presence of proteinase 3 in secretory vesicles: evidence of a novel, highly mobilizable intracellular pool distinct from azurophil granules. Blood. 1999 Oct 1;94(7):2487-96. — View Citation
Witko-Sarsat V, Halbwachs-Mecarelli L, Sermet-Gaudelus I, Bessou G, Lenoir G, Allen RC, Descamps-Latscha B. Priming of blood neutrophils in children with cystic fibrosis: correlation between functional and phenotypic expression of opsonin receptors before and after platelet-activating factor priming. J Infect Dis. 1999 Jan;179(1):151-62. doi: 10.1086/314532. — View Citation
Witko-Sarsat V, Mocek J, Bouayad D, Tamassia N, Ribeil JA, Candalh C, Davezac N, Reuter N, Mouthon L, Hermine O, Pederzoli-Ribeil M, Cassatella MA. Proliferating cell nuclear antigen acts as a cytoplasmic platform controlling human neutrophil survival. J Exp Med. 2010 Nov 22;207(12):2631-45. doi: 10.1084/jem.20092241. Epub 2010 Oct 25. — View Citation
Witko-Sarsat V, Ohayon D. Proliferating cell nuclear antigen in neutrophil fate. Immunol Rev. 2016 Sep;273(1):344-56. doi: 10.1111/imr.12449. — View Citation
Witko-Sarsat V, Pederzoli-Ribeil M, Hirsch E, Sozzani S, Cassatella MA. Regulating neutrophil apoptosis: new players enter the game. Trends Immunol. 2011 Mar;32(3):117-24. doi: 10.1016/j.it.2011.01.001. Epub 2011 Feb 12. Erratum In: Trends Immunol. 2011 May;32(5):187. Hirsh, Emilio [corrected to Hirsch, Emilio]. — View Citation
Witko-Sarsat V, Rieu P, Descamps-Latscha B, Lesavre P, Halbwachs-Mecarelli L. Neutrophils: molecules, functions and pathophysiological aspects. Lab Invest. 2000 May;80(5):617-53. doi: 10.1038/labinvest.3780067. No abstract available. — View Citation
Witko-Sarsat V, Sermet-Gaudelus I, Lenoir G, Descamps-Latscha B. Inflammation and CFTR: might neutrophils be the key in cystic fibrosis? Mediators Inflamm. 1999;8(1):7-11. doi: 10.1080/09629359990658. — View Citation
Witko-Sarsat V. Neutrophils in the innate immunity conundrum of cystic fibrosis: a CFTR-related matter? J Innate Immun. 2013;5(3):195-6. doi: 10.1159/000350215. Epub 2013 Mar 23. No abstract available. — View Citation
Worlitzsch D, Tarran R, Ulrich M, Schwab U, Cekici A, Meyer KC, Birrer P, Bellon G, Berger J, Weiss T, Botzenhart K, Yankaskas JR, Randell S, Boucher RC, Doring G. Effects of reduced mucus oxygen concentration in airway Pseudomonas infections of cystic fibrosis patients. J Clin Invest. 2002 Feb;109(3):317-25. doi: 10.1172/JCI13870. — View Citation
Wright HL, Makki FA, Moots RJ, Edwards SW. Low-density granulocytes: functionally distinct, immature neutrophils in rheumatoid arthritis with altered properties and defective TNF signalling. J Leukoc Biol. 2017 Feb;101(2):599-611. doi: 10.1189/jlb.5A0116-022R. Epub 2016 Sep 6. — View Citation
* Note: There are 44 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Quantification of blood low density neutrophils in cystic fibrosis (CF) | Quantitative flow cytometric evaluation of neutrophil membrane markers that differ according to whether they are :
mature neutrophils : CD16high, CD15high, CD33high, CD10high or Low density neutrophils (LDG) : CD16low, CD15neg, CD33 neg, CD10 neg. Comparison of neutrophil membrane markers profile in CF patients versus control blood-donors. |
Through study completion, an average of 1 year | |
Primary | Transcriptomic analysis of blood neutrophils in cystic fibrosis (CF) | Transcriptomic analysis of blood neutrophil proinflammatory or immunomodulatory potential.
Comparison of transcriptomic blood neutrophil profile in CF patients versus control blood-donors. |
Through study completion, an average of 1 year | |
Primary | Effector function analysis of blood neutrophils in CF. | Comparison of effector function analysis of blood neutrophils of CF patients versus control blood-donors. | Through study completion, an average of 1 year | |
Primary | Phagocytosis potential of blood neutrophils in CF. | Comparison of phagocytosis potential of blood neutrophils of CF patients versus control blood-donors. | Through study completion, an average of 1 year | |
Primary | Survival/apoptosis balance analysis in CF | Survival / apoptosis balance analysis : (PCNA localization) in CF patients blood neutrophils versus control blood-donors. | Through study completion, an average of 1 year | |
Secondary | Quantification of blood low density neutrophils in CF vs other chronic inflammatory disorders. | Quantitative flow cytometric evaluation of neutrophil membrane markers that differ according to whether they are:
mature neutrophils : CD16high, CD15high, CD33high, CD10high Low density neutrophils (LDG) : CD16low, CD15neg, CD33 neg, CD10 neg. Comparison of neutrophil membrane markers profile in CF patients versus patients with other chronic inflammatory disease (eg. Rheumatoid arthritis, inflammatory bowel disease). |
Through study completion, an average of 1 year | |
Secondary | Quantification of blood low density neutrophils in CF according to different clinical situations. | Quantitative flow cytometric evaluation of neutrophil membrane markers.
At stable state: presence or absence of airway chronic infection with PA whether or not patients are treated Ivacaftor-Lumacaftor At beginning of exacerbation or after antibiotic treatment. Before or after Ivacaftor-Tezacaftor-Elexacaftor treatment |
Through study completion, an average of 1 year | |
Secondary | Transcriptomic analysis of blood neutrophils in CF according to different clinical situations. | Transcriptomic analysis of blood neutrophil proinflammatory or immunomodulatory potential.
At stable state: presence or absence of airway chronic infection with PA whether or not patients are treated Ivacaftor-Lumacaftor At beginning of exacerbation or after antibiotic treatment. Before or after Ivacaftor-Tezacaftor-Elexacaftor treatment |
Through study completion, an average of 1 year | |
Secondary | Effector function analysis of blood neutrophils in CF according to different clinical situations. | Effector function analysis of blood neutrophils:
At stable state: presence or absence of airway chronic infection with PA whether or not patients are treated Ivacaftor-Lumacaftor At beginning of exacerbation or after antibiotic treatment. Before or after Ivacaftor-Tezacaftor-Elexacaftor treatment |
Through study completion, an average of 1 year | |
Secondary | Phagocytosis potential of blood neutrophils in CF according to different clinical situations. | Phagocytosis potential analysis of blood neutrophils in CF:
At stable state: presence or absence of airway chronic infection with PA whether or not patients are treated Ivacaftor-Lumacaftor At beginning of exacerbation or after antibiotic treatment. Before or after Ivacaftor-Tezacaftor-Elexacaftor treatment |
Through study completion, an average of 1 year | |
Secondary | Survival/apoptosis balance analysis in CF according to different clinical situations. | Survival / apoptosis balance analysis (PCNA localization):
At stable state: presence or absence of airway chronic infection with PA whether or not patients are treated Ivacaftor-Lumacaftor At beginning of exacerbation or after antibiotic treatment. Before or after Ivacaftor-Tezacaftor-Elexacaftor treatment. |
Through study completion, an average of 1 year |
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