51
|
Stelter L, Pinkernelle J, Neumann F, Michel R, Amthauer H, Felix R, Jordan A, Teichgräber U. Synthesis and in vivo testing of a bimodal nanoparticle combining detectability in MRI and PET-Imaging. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-931876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
52
|
Pinkernelle J, Teichgräber U, Bruhn H, Stelter L, Neumann F, Michel R. The capability of small animal scanning using a clinically ultra-highfield whole body scanner at 3 Tesla. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-931875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
53
|
Hess K, Neumann F. Zu den Angaben von K. Freudenberg und E. Braun über 2.3.6-Trimethyl-glucose-anhydrid. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19350681137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
54
|
Stelter L, Pinkernelle J, Neumann F, Michel R, Amthauer H, Felix R, Jordan A, Teichgräber U. Bimodale Modifikation von Nanopartikeln zur kombinierten Darstellung im MRT und Tier-PET im in vivo Tiermodell. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-940759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
55
|
Neumann F, Herzog H, Bogen P, Freund T, Bruhn H, Felix R, Röttgen R. MR-Kolonographie bei 3,0 Tesla: Vergleich mit 1,5 Tesla in vivo und am Darmmodell. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-940905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
56
|
Neumann F, Ocran K, Schröder RJ, Schachschal G, Lochs H, Felix R, Röttgen R. Cine-Sellink-MRT bei Morbus Crohn. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-940787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
57
|
de Bellefon C, Lamouille T, Pestre N, Bornette F, Pennemann H, Neumann F, Hessel V. Asymmetric catalytic hydrogenations at micro-litre scale in a helicoidal single channel falling film micro-reactor. Catal Today 2005. [DOI: 10.1016/j.cattod.2005.09.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
58
|
Neumann F, Fenk R, Graef T, Haas R, Kobbe G. Reply to Pohlreich et al. Bone Marrow Transplant 2005. [DOI: 10.1038/sj.bmt.1705228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
59
|
Gebauer G, Mian I, Förster MEC, Bartmann R, Telöken R, Neumann F, Victor W. Online-in-situ-Partikelmesstechnik mittels Mie-Ellipsometrie an der Druckkohlenstaubfeuerungsanlage in Dorsten. CHEM-ING-TECH 2005. [DOI: 10.1002/cite.200500055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
60
|
Steidl U, Fenk R, Bruns I, Neumann F, Kondakci M, Hoyer B, Gräf T, Rohr UP, Bork S, Kronenwett R, Haas R, Kobbe G. Successful transplantation of peripheral blood stem cells mobilized by chemotherapy and a single dose of pegylated G-CSF in patients with multiple myeloma. Bone Marrow Transplant 2005; 35:33-6. [PMID: 15531906 DOI: 10.1038/sj.bmt.1704702] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Following induction therapy and 4 g/m(2) cyclophosphamide, a single dose of 12 mg polyethyleneglycol-conjugated G-CSF (pegfilgrastim; n=12) or daily doses of unconjugated G-CSF (8.5 mug/kg/day) (n=12) were administered to myeloma patients. Pegfilgrastim was associated with an earlier leukocyte recovery (12 vs 14 days) and peripheral blood CD34+ cell peak (12 vs 15 days). The peripheral blood CD34+ cell peak was lower in the pegfilgrastim group (78 vs 111/mul). Following high-dose melphalan (200 mg/m(2)) and autografting, leukocyte and platelet reconstitution was similar in both groups and stable blood counts were observed 100 days post transplant. In summary, a single dose of pegfilgrastim after chemotherapy is capable of mobilizing a sufficient number of CD34+ cells for successful autografting with early engraftment and sustained hematological reconstitution in patients with myeloma. These data provide the basis for randomized studies evaluating the optimal dose and time of pegfilgrastim as well as long-term outcome in larger cohorts of patients.
Collapse
|
61
|
Kämena A, Neumann F, Lehmkuhl L, Bruhn H, Ricke J, Felix R, Teichgräber U. 3-Tesla-MR-Bildgebung der Prostata unter Verwendung einer Oberflächenspule im Vergleich zur MR-Bildgebung bei 1.5 Tesla mit Endorektalspule. ROFO-FORTSCHR RONTG 2005. [DOI: 10.1055/s-2005-867538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
62
|
Röttgen R, Neumann F, Haltaufderheide K, Schröder RJ, Herzog H, Lehmkuhl L, Felix R, Bruhn H. Auswirkung der Feldstärke bei der standardisierten Kernspintomographie des Gehirns am Beispiel der Darstellung von Hirnnerven und Gefäßen in den basalen Zisternen: Vergleich zwischen 1. ROFO-FORTSCHR RONTG 2005. [DOI: 10.1055/s-2005-867614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
63
|
Röttgen R, Haltaufderheide K, Schröder RJ, Lorenz M, Herzog H, Neumann F, Lehmkuhl L, Winter L, Felix R, Bruhn H. Auswirkung der Feldstärke bei der standardisierten Kernspintomographie des Gehirns am Beispiel der Darstellung von Hirnnerven und Gefäßen in den basalen Zisternen: Vergleich zwischen 1,5 und 3,0 Tesla. ROFO-FORTSCHR RONTG 2005; 177:530-5. [PMID: 15838758 DOI: 10.1055/s-2005-857958] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
PURPOSE Comparison of MR images acquired as routine examinations at a field strength of 3.0 T and 1.5 T to determine whether and to which degree the image quality improves at the higher field strength of 3.0 T. MATERIALS AND METHODS Routine MR images of 200 patients were examined retrospectively, with 100 images obtained at 1.5 T and 100 obtained at 3.0 T. The examinations were performed with a quadrature head coil and focused on the basal cisterns because of the abundance of small distinct structures in this region. We selected the T2-weighted 2D-FSE sequence in transverse direction for comparison. At both field strengths, the same section thickness of 5 mm and a matrix of 512 x 388 (FOV: 220 mm) were used. The quality of the images was evaluated with regard to depicting the cranial nerves N. III, V - X, the AICA and PICA. For comparison, image quality was rated with a score from 1 (well defined) to 5 (not depicted). RESULTS A score of 1 was obtained in 46 % of the anatomic structures examined at 3.0 T and in only 9.2 % at 1.5 T. A score of 2 was given in 27.6 % of the anatomic structures at 3.0 T vs. 23.5 % at 1.5 T, a score of 3 in 17.2 % vs. 28.1 %, a score of 4 in 8.6 % vs. 28.7 %, and a score of 5 in 0.4 % vs. 10.3 %, respectively. The Mann-Whitney U test showed significance at p < 0.001 for the comparison of images at 1.5 and 3.0 Tesla. CONCLUSION Routine magnetic resonance imaging using the same quadrature coil technique and similar acquisition times at 3.0 T and 1.5 T shows an improvement for T2-weighted images at the higher field strength.
Collapse
|
64
|
Neumann F, Graef T, Tapprich C, Vaupel M, Steidl U, Germing U, Fenk R, Hinke A, Haas R, Kobbe G. Cyclosporine A and Mycophenolate Mofetil vs Cyclosporine A and Methotrexate for graft-versus-host disease prophylaxis after stem cell transplantation from HLA-identical siblings. Bone Marrow Transplant 2005; 35:1089-93. [PMID: 15821769 DOI: 10.1038/sj.bmt.1704956] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The combination of Cyclosporin A (CSA) and Methotrexate (MTX) is considered to be the standard regimen for the prevention of graft-versus-host disease (GVHD) after stem cell transplantation (SCT) from HLA-identical siblings. Mycophenolate Mofetil (MMF) has been widely used for GVHD prophylaxis after nonmyeloablative SCT, but experience following myeloablative therapy is still limited. We retrospectively compared CSA/MTX and CSA/MMF in 93 patients (median age 35 years, range 17-59 years, male subjects 48, female subjects 45) with acute myeloid leukemia (n=33), myelodysplastic syndrome (MDS) (n=3), acute lymphoblastic leukemia (ALL) (n=20) or chronic myeloid leukemia (n=37) who received CSA/MMF (n=26) or CSA/MTX (n=67) as GVHD prophylaxis following high-dose therapy and allogeneic SCT from HLA-identical siblings. No statistically significant differences were found in overall survival, relapse rate, treatment-related mortality and acute or chronic GVHD. Time to myeloid recovery was significantly shorter in patients who received CSA/MMF. We conclude that the combination of CSA/MMF appears equivalent to CSA/MTX for GVHD prophylaxis in patients receiving conventional-intensity SCT from HLA-identical siblings.
Collapse
|
65
|
Fenk R, Hoyer B, Steidl U, Kondakci M, Graef T, Heuk R, Ruf L, Strupp C, Neumann F, Rohr UP, Hildebrandt B, Haas R, Kobbe G. Single-agent thalidomide for treatment of first relapse following high-dose chemotherapy in patients with multiple myeloma. Leukemia 2005; 19:156-9. [PMID: 15510204 DOI: 10.1038/sj.leu.2403564] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|
66
|
Neumann F, Teutsch N, Kliszewski S, Bork S, Steidl U, Brors B, Schimkus N, Roes N, Germing U, Hildebrandt B, Royer-Pokora B, Eils R, Gattermann N, Haas R, Kronenwett R. Gene expression profiling of Philadelphia chromosome (Ph)-negative CD34+ hematopoietic stem and progenitor cells of patients with Ph-positive CML in major molecular remission during therapy with imatinib. Leukemia 2005; 19:458-60. [PMID: 15618956 DOI: 10.1038/sj.leu.2403615] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
MESH Headings
- Adult
- Aged
- Antigens, CD34/biosynthesis
- Antigens, CD34/genetics
- Antigens, CD34/immunology
- Benzamides
- Female
- Fusion Proteins, bcr-abl/genetics
- Gene Expression Profiling
- Hematopoietic Stem Cells/immunology
- Hematopoietic Stem Cells/metabolism
- Humans
- Imatinib Mesylate
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/immunology
- Leukemia, Myeloid, Chronic-Phase/drug therapy
- Leukemia, Myeloid, Chronic-Phase/genetics
- Male
- Middle Aged
- Philadelphia Chromosome
- Phylogeny
- Piperazines/therapeutic use
- Protein-Tyrosine Kinases/antagonists & inhibitors
- Pyrimidines/therapeutic use
- Remission Induction/methods
Collapse
|
67
|
Kobbe G, Fenk R, Neumann F, Bernhardt A, Steidl U, Kondakci M, Graef T, Aivado M, Vaupel M, Huenerlituerkoglu AN, Kronenwett R, Pape H, Hildebrand B, Germing U, Haas R. Transplantation of allogeneic CD34+-selected cells followed by early T-cell add-backs: favorable results in acute and chronic myeloid leukemia. Cytotherapy 2004; 6:533-42. [PMID: 15764020 DOI: 10.1080/14653240410005375] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND The aim of this study was to investigate preservation of anti-leukemic activity and protection from opportunistic infections after transplantation of allogeneic + cells in patients with hematologic malignancies and bad prognosis. Methods Thirty-three patients [median age 42 years, range 23-55 years, diagnosis AML/myelodysplastic syndrome (MDS) 14, ALL nine, CML seven and multiple myeloma (MM) three] received myeloablative conditioning followed by infusion of selected CD34+ cells from matched unrelated donors (31) or HLA-identical siblings (two). Early donor lymphocyte infusions (DLI; 0.5 and 1.0 x 10(6) CD3+ cells/kg) were given while patients were on immunosuppressive therapy. RESULTS Ninety-seven per cent of patients engrafted and 24 of 29 patients surviving more than 30 days received at least one pre-emptive DLI. Three patients (10%) developed acute (a)GvHD (two grade I-II, one grade III-IV) spontaneously, and 16 patients (67%) developed aGvHD after DLI (12 grade I-II, four grade III-IV). Eight of 24 evaluable patients developed chronic (c)GvHD (33%, six limited, two extensive). After a median follow-up of 590 days (range 138-1610 days) 18 patients were alive (55%), 16 in complete remission (CR), one in hematologic and one in molecular relapse. Seven patients died after relapse (21%) and eight died from transplantation-related causes (24%). Patients with myeloid malignancies had a significantly better survival than patients with ALL or MM (74%+/-10 vs. 30%+/-13, P<0.05). DISCUSSION Early pre-emptive low-dose DLI following transplantation of selected CD34+ cells from unrelated donors after myeloablative conditioning is feasible and effective without undue toxicity, especially in patients with myeloid malignancies.
Collapse
MESH Headings
- Adult
- Antigens, CD34/immunology
- Graft vs Host Disease
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/immunology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/therapy
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myeloid, Acute/therapy
- Middle Aged
- Neoplasm, Residual
- Prognosis
- Survival Rate
- T-Lymphocytes/immunology
- T-Lymphocytes/transplantation
- Transplantation Chimera
- Transplantation Conditioning
- Transplantation, Homologous
- Treatment Outcome
Collapse
|
68
|
Fischbach F, Hoffmann KT, Pech M, Neumann F, Ricke J, Bruhn H. Efficacy of Contrast Medium Use at 3.0 T: A Study Employing Different T1-weighted Pulse Sequences. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-820811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
69
|
Kämena A, Beyersdorff D, Neumann F, Lehmkuhl L, Gaffke G, Teichgräber U, Bruhn H, Felix R. Can MR imaging of the prostate at 3.0-T with phased-array coil compete with a combined phased-array/endorectal coil approach at 1.5-T? ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-820833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
70
|
Teichgräber UKM, Pinkernelle JG, Neumann F, Benter T, Bruhn H, Felix R. Single Cell Imaging of Human Cologenic Carcinoma Cells by 3-Tesla MRI. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-820835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
71
|
Pinkernelle J, Teichgraeber U, Neumann F, Benter T, Bruhn H. Einzelzelldarstellung von Kolonkarzinomzellen im 3-Tesla unter Verwendung einer Oberflächenspule. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-827895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
72
|
Fischbach F, Hoffmann KT, Pech M, Neumann F, Ricke J, Felix R, Bruhn H. Vergleich verschiedener T1-gewichteter Puls- Sequenzen hinsichtlich ihrer Effizienz in der Kontrastmittelanreicherung bei 3.0 Tesla. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-827934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
73
|
Teichgraeber U, Gillessen C, Neumann F, Ricke J, Felix R. Prozesssimulation zur prospektiven Nutzwertanalyse einer voll digitalisierten Arbeitsumgebung am Beispiel eines sonographischen Arbeitsplatzes. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-827490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
74
|
Neumann F, Kaemena A, Teichgraeber U, Lehmkuhl L, Beyersdorff D, Bruhn H. MRT der Prostata: Gibt es einen Vorteil der 3-Tesla-Bildgebung der Prostata und benachbarter Strukuren gegenüber 1,5T? ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-827561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
75
|
Warschewske G, Wieners G, Neumann F, Podrapsky P, Ricke J. Einfluss utero-ovarieller Anastomosen auf das Auftreten einer Ovarialinsuffizienz nach transarterieller Embolisation eines Uterus myomatosus. ROFO-FORTSCHR RONTG 2004. [DOI: 10.1055/s-2004-827503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|