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  1. Book ; Thesis: C-reaktives Protein und Komplement in der Pathogenese der Arteriosklerose

    Torzewski, Jan

    2001  

    Author's details vorgelegt von Jan Torzewski
    Language German ; English
    Size 44, [60] Bl., Ill., graph. Darst., 30 cm
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Ulm, Univ., Habil.-Schr., 2001
    Note Enth. außerdem 9 Sonderabdr. aus verschiedenen Zeitschr. - Beitr. teilw. dt., teilw. engl.
    HBZ-ID HT013334826
    Database Catalogue ZB MED Medicine, Health

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  2. Book ; Thesis: In-vitro-Erzeugung eines komplementaktivierenden Lipides durch enzymatische Modifikation von LDL und vergleichende Untersuchungen zur Aufnahme von modifizierten Lipoproteinen durch menschliche Monozyten und Makrophagen

    Torzewski, Jan

    1994  

    Author's details vorgelegt von Jan Torzewski
    Language German
    Size 86 Bl. : Ill., graph. Darst.
    Edition [Mikrofiche-Ausg.]
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Mainz, Univ., Diss., 1994
    Note Mikrofiche-Ausg.: 1 Mikrofiche : 24x
    HBZ-ID HT006536502
    Database Catalogue ZB MED Medicine, Health

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  3. Article: Cardiac Glycosides Lower C-Reactive Protein Plasma Levels in Patients with Decompensated Heart Failure: Results from the Single-Center C-Reactive Protein-Digoxin Observational Study (C-DOS).

    Zaczkiewicz, Myron / Kostenzer, Katharina / Graf, Matthias / Mayer, Benjamin / Zimmermann, Oliver / Torzewski, Jan

    Journal of clinical medicine

    2022  Volume 11, Issue 7

    Abstract: Recent randomized controlled multi-center trials JUPITER, CANTOS and COLCOT impressively demonstrated the effect of anti-inflammatory therapy on secondary prevention of cardiovascular events. These studies also rapidly re-vitalized the question of ... ...

    Abstract Recent randomized controlled multi-center trials JUPITER, CANTOS and COLCOT impressively demonstrated the effect of anti-inflammatory therapy on secondary prevention of cardiovascular events. These studies also rapidly re-vitalized the question of whether the C-reactive protein (CRP), the prototype human acute phase protein, is actively involved in atherosclerosis and its sequelae. Direct CRP inhibition may indeed improve the specificity and effectiveness of anti-inflammatory intervention. In the present paper, we report on the final results of our single-center C-reactive protein-Digoxin Observational Study (C-DOS). Methods and Results: Based on the experimental finding that cardiac glycosides potently inhibit hepatic CRP synthesis on the transcriptional level in vitro, 60 patients with decompensated heart failure, NYHA III−IV, severely reduced Left Ventricular Ejection Fraction (LVEF < 40%), and elevated CRP plasma levels were treated by either digoxin + conventional heart failure therapy (30 patients) or by conventional heart failure therapy alone (30 patients). Plasma CRP levels in both groups were assessed for 21 d. Plasma CRP levels on d1, d3 and d21 were compared by regression analysis. CRP levels d21−d1 significantly declined in both groups. Notably, comparative CRP reduction d21−d3 in digoxin versus the control group also revealed borderline significance (p = 0.051). Conclusions: This small observational trial provides the first piece of evidence that cardiac glycosides may inhibit CRP synthesis in humans. In case of further pharmacological developments, cardiac glycosides may emerge as lead compounds for chemical modification in order to improve the potency, selectivity and pharmacokinetics of CRP synthesis inhibition in cardiovascular disease.
    Language English
    Publishing date 2022-03-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11071762
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Successful Treatment of a 39-Year-Old COVID-19 Patient with Respiratory Failure by Selective C-Reactive Protein Apheresis.

    Torzewski, Jan / Zimmermann, Oliver / Kayser, Stefan / Heigl, Franz / Wagner, Florian / Sheriff, Ahmed / Schumann, Christian

    The American journal of case reports

    2021  Volume 22, Page(s) e932964

    Abstract: BACKGROUND High C-reactive protein (CRP) plasma levels in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are associated with poor prognosis. CRP, by activating the classical complement pathway and interacting with macrophages via ... ...

    Abstract BACKGROUND High C-reactive protein (CRP) plasma levels in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are associated with poor prognosis. CRP, by activating the classical complement pathway and interacting with macrophages via Fc gamma receptors, can cause pulmonary inflammation with subsequent fibrosis. Recently, we have reported first-in-man CRP apheresis in a "high-risk" COVID-19 patient. Treatment was unfortunately clinically unsuccessful. Here, we report on successful CRP apheresis treatment in a "lower-risk" COVID-19 patient with respiratory failure. CASE REPORT A 39-year-old male patient suffering from fatigue, dyspnea, and fever for 4 days was referred to us. The patient had to be intubated. Polymerase chain reaction (PCR) analysis of a throat smear revealed SARS-CoV-2 infection. Mutation analysis revealed the VOC B. 1.1.7 variant. CRP levels were 79.2 mg/L and increased to 161.63 mg/L. Procalcitonin (PCT) levels were continuously normal (<0.5 ng/ml). Antibiotic therapy was started to avoid bacterial superinfection. CRP apheresis was performed once via central venous access. CRP levels declined from a maximum of 161.63 mg/L to 32.58 mg/L. No apheresis-associated adverse effects were observed. Subsequently, CRP plasma levels declined day by day and normalized on day 5. The patient was extubated on day 5 and discharged from the Intensive Care Unit (ICU) on day 6. A second low CRP peak (maximum 22.41 mg/L) on day 7 remained clinically inapparent. The patient was discharged in good clinical condition with a CRP level of 6.94 mg/L on day 8. CONCLUSIONS SARS-CoV-2 infection can induce an uncontrolled CRP-mediated autoimmune response of ancient immunity. In this patient, the autoimmune response was potently and successfully suppressed by early selective CRP apheresis.
    MeSH term(s) Adult ; Blood Component Removal ; C-Reactive Protein ; COVID-19 ; Humans ; Male ; Respiratory Insufficiency ; SARS-CoV-2
    Chemical Substances C-Reactive Protein (9007-41-4)
    Language English
    Publishing date 2021-08-05
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.932964
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Cardiac Glycosides Lower C-Reactive Protein Plasma Levels in Patients with Decompensated Heart Failure

    Myron Zaczkiewicz / Katharina Kostenzer / Matthias Graf / Benjamin Mayer / Oliver Zimmermann / Jan Torzewski

    Journal of Clinical Medicine, Vol 11, Iss 1762, p

    Results from the Single-Center C-Reactive Protein-Digoxin Observational Study (C-DOS)

    2022  Volume 1762

    Abstract: Recent randomized controlled multi-center trials JUPITER, CANTOS and COLCOT impressively demonstrated the effect of anti-inflammatory therapy on secondary prevention of cardiovascular events. These studies also rapidly re-vitalized the question of ... ...

    Abstract Recent randomized controlled multi-center trials JUPITER, CANTOS and COLCOT impressively demonstrated the effect of anti-inflammatory therapy on secondary prevention of cardiovascular events. These studies also rapidly re-vitalized the question of whether the C-reactive protein (CRP), the prototype human acute phase protein, is actively involved in atherosclerosis and its sequelae. Direct CRP inhibition may indeed improve the specificity and effectiveness of anti-inflammatory intervention. In the present paper, we report on the final results of our single-center C-reactive protein-Digoxin Observational Study (C-DOS). Methods and Results: Based on the experimental finding that cardiac glycosides potently inhibit hepatic CRP synthesis on the transcriptional level in vitro, 60 patients with decompensated heart failure, NYHA III–IV, severely reduced Left Ventricular Ejection Fraction (LVEF < 40%), and elevated CRP plasma levels were treated by either digoxin + conventional heart failure therapy (30 patients) or by conventional heart failure therapy alone (30 patients). Plasma CRP levels in both groups were assessed for 21 d. Plasma CRP levels on d1, d3 and d21 were compared by regression analysis. CRP levels d21–d1 significantly declined in both groups. Notably, comparative CRP reduction d21–d3 in digoxin versus the control group also revealed borderline significance ( p = 0.051). Conclusions: This small observational trial provides the first piece of evidence that cardiac glycosides may inhibit CRP synthesis in humans. In case of further pharmacological developments, cardiac glycosides may emerge as lead compounds for chemical modification in order to improve the potency, selectivity and pharmacokinetics of CRP synthesis inhibition in cardiovascular disease.
    Keywords CRP ; CRP synthesis inhibition ; cardiovascular disease ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2022-03-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article: Targeting C-Reactive Protein by Selective Apheresis in Humans: Pros and Cons.

    Torzewski, Jan / Brunner, Patrizia / Ries, Wolfgang / Garlichs, Christoph D / Kayser, Stefan / Heigl, Franz / Sheriff, Ahmed

    Journal of clinical medicine

    2022  Volume 11, Issue 7

    Abstract: C-reactive protein (CRP), the prototype human acute phase protein, may be causally involved in various human diseases. As CRP has appeared much earlier in evolution than antibodies and nonetheless partly utilizes the same biological structures, it is ... ...

    Abstract C-reactive protein (CRP), the prototype human acute phase protein, may be causally involved in various human diseases. As CRP has appeared much earlier in evolution than antibodies and nonetheless partly utilizes the same biological structures, it is likely that CRP has been the first antibody-like molecule in the evolution of the immune system. Like antibodies, CRP may cause autoimmune reactions in a variety of human pathologies. Consequently, therapeutic targeting of CRP may be of utmost interest in human medicine. Over the past two decades, however, pharmacological targeting of CRP has turned out to be extremely difficult. Currently, the easiest, most effective and clinically safest method to target CRP in humans may be the specific extracorporeal removal of CRP by selective apheresis. The latter has recently shown promising therapeutic effects, especially in acute myocardial infarction and COVID-19 pneumonia. This review summarizes the pros and cons of applying this novel technology to patients suffering from various diseases, with a focus on its use in cardiovascular medicine.
    Language English
    Publishing date 2022-03-23
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11071771
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Sustainability of C-Reactive Protein Apheresis in Acute Myocardial Infarction-Results from a Supplementary Data Analysis of the Exploratory C-Reactive Protein in Acute Myocardial Infarction-1 Study.

    Skarabis, Horst / Torzewski, Jan / Ries, Wolfgang / Heigl, Franz / Garlichs, Christoph D / Kunze, Rudolf / Sheriff, Ahmed

    Journal of clinical medicine

    2022  Volume 11, Issue 21

    Abstract: In the multicenter, non-randomized, exploratory C-reactive protein (CRP) Apheresis in Myocardial Infarction (CAMI-1) study, CRP apheresis after ST-Elevation Myocardial Infarction (STEMI) significantly decreased blood CRP concentrations in humans. Cardiac ...

    Abstract In the multicenter, non-randomized, exploratory C-reactive protein (CRP) Apheresis in Myocardial Infarction (CAMI-1) study, CRP apheresis after ST-Elevation Myocardial Infarction (STEMI) significantly decreased blood CRP concentrations in humans. Cardiac damage was assessed by Cardiac Magnetic Resonance (CMR1) 3−9 d after onset of STEMI symptoms and quantified by myocardial infarct size (IS; %), left ventricular ejection fraction (LVEF; %), circumferential strain (CS) and longitudinal strain (LS). Compared with the control group (n = 34), cardiac damage was significantly lower in the apheresis group (n = 32). These findings suggested improved wound healing due to CRP apheresis already within few days after the STEMI event. In the current supplementary data analysis of CAMI-1, we have tested by a follow-up CMR (CMR2) after an average of 88 (65−177) d whether the effect of CRP apheresis is clinically maintained. After this time period, wound healing in STEMI is considered complete. Whereas patients with low CRP production and a CRP gradient cut off of <0.6 mg/L/h in the hours after STEMI (9 of 32 patients in the CRP apheresis group) did not significantly benefit from CRP apheresis in CMR2, patients with high CRP production and a CRP gradient cut off of >0.6 mg/L/h (23 of 32 patients in the CRP apheresis group) showed significant treatment benefit. In the latter patients, CMR2 revealed a lower IS (−5.4%; p = 0.05), a better LVEF (+6.4%; p = 0.03), and an improved CS (−6.1%; p = 0.005). No significant improvement, however, was observed for LS (−2.9%; p = 0.1). These data suggest a sustained positive effect of CRP apheresis on heart physiology in STEMI patients with high CRP production well beyond the period of its application. The data demonstrate the sustainability of the CRP removal from plasma which is associated with less scar tissue.
    Language English
    Publishing date 2022-10-31
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11216446
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: A Report on the First 7 Sequential Patients Treated Within the C-Reactive Protein Apheresis in COVID (CACOV) Registry.

    Schumann, Christian / Heigl, Franz / Rohrbach, Imanuel J / Sheriff, Ahmed / Wagner, Lutz / Wagner, Florian / Torzewski, Jan

    The American journal of case reports

    2022  Volume 23, Page(s) e935263

    Abstract: BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced pneumonia is a disease with high mortality and, still, no effective treatment. Excessively elevated C-reactive protein (CRP) plasma levels inversely correlate with prognosis. ...

    Abstract BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced pneumonia is a disease with high mortality and, still, no effective treatment. Excessively elevated C-reactive protein (CRP) plasma levels inversely correlate with prognosis. As CRP, via complement and macrophage activation, can cause organ damage in COVID-19, we have recently introduced selective CRP apheresis as a potentially effective treatment. Now, we report on the first patients with severe SARS-CoV-2-induced pneumonia treated within the "C-reactive protein Apheresis in COVID" (CACOV) registry. CASE REPORT Seven sequential hospitalized patients with documented COVID-19, strongly elevated CRP plasma levels, and respiratory failure were treated by selective CRP apheresis in addition to standard therapy after having given their informed consent for inclusion in the CACOV registry. We performed 2-8 CRP apheresis sessions via either peripheral or central venous access depending on clinical course and CRP plasma levels. CRP apheresis, in COVID-19, reduced CRP plasma levels by approximately 50-90%, and it was thus highly effective, feasible, and safe. Despite severe radiological lung involvement in all our patients, only 2 patients finally required intubation, and none required extracorporeal membrane oxygenation (ECMO). All 7 patients were discharged from our 2 hospitals in good clinical condition. CONCLUSIONS Selective CRP apheresis, starting early after patient admission, may be an effective treatment of SARS-CoV-2-induced pneumonia. SARS-COV-2 can cause organ damage and multiple organ failure predominantly by an excessive CRP-mediated autoimmune response of the ancient innate immune system. Further registry data and randomized trials are needed.
    MeSH term(s) Blood Component Removal ; C-Reactive Protein/isolation & purification ; COVID-19/therapy ; Humans ; Registries ; SARS-CoV-2
    Chemical Substances C-Reactive Protein (9007-41-4)
    Language English
    Publishing date 2022-01-10
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.935263
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Selective C-Reactive Protein-Apheresis in Patients.

    Ries, Wolfgang / Heigl, Franz / Garlichs, Christoph / Sheriff, Ahmed / Torzewski, Jan

    Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy

    2019  Volume 23, Issue 6, Page(s) 570–574

    Abstract: C-reactive protein (CRP), the prototype human acute-phase protein, is a well-known marker of inflammation. However, CRP may also mediate tissue damage in various human diseases like atherosclerosis, acute myocardial infarction, dilated cardiomyopathy, ... ...

    Abstract C-reactive protein (CRP), the prototype human acute-phase protein, is a well-known marker of inflammation. However, CRP may also mediate tissue damage in various human diseases like atherosclerosis, acute myocardial infarction, dilated cardiomyopathy, stroke, and potentially autoimmune disease. Therefore, CRP elimination from human plasma may indeed be a widely usable therapeutic approach. Recently, a first-in-man case report of selective CRP-apheresis in a patient with acute ST-segment elevation myocardial infarction (STEMI) has been published. Here, the method is further elucidated by detailed description of 13 patients receiving CRP-apheresis at two study centers. Thirteen patients received two sequential CRP-apheresis treatments with the PentraSorb CRP adsorber starting 24 ± 12 h after STEMI and successful percutaneous coronary intervention (PCI). CRP was measured immediately before and after each treatment, and additionally twice a day for a period of 96 h after symptom onset. Compared to the initial (before-treatment) CRP plasma concentration, CRP-apheresis resulted in an average 53.4% ± 11.9% CRP depletion. First apheresis was performed 27.5 ± 4.6 h after symptom onset at a mean CRP concentration of 25.1 ± 11.1 mg/L. Mean CRP concentration after the first treatment was 12.1 ± 6.4 mg/L. Second apheresis started 47.9 ± 5.4 h after symptom onset at a mean CRP concentration of 30.2 ± 21.4 mg/L. After the second treatment, mean CRP concentration was reduced to 13.9 ± 10.9 mg/L. No severe apheresis-associated side effects were observed. Patients tolerated selective CRP-apheresis without any side effects. The new method is feasible and safe and significantly reduces CRP plasma concentration in humans.
    MeSH term(s) Aged ; Blood Component Removal/methods ; C-Reactive Protein/metabolism ; Female ; Humans ; Male ; Middle Aged ; Percutaneous Coronary Intervention ; ST Elevation Myocardial Infarction/therapy ; Treatment Outcome
    Chemical Substances C-Reactive Protein (9007-41-4)
    Language English
    Publishing date 2019-04-29
    Publishing country Australia
    Document type Journal Article ; Multicenter Study
    ZDB-ID 2119809-3
    ISSN 1744-9987 ; 1091-6660 ; 1744-9979
    ISSN (online) 1744-9987
    ISSN 1091-6660 ; 1744-9979
    DOI 10.1111/1744-9987.12804
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: One- and two-year clinical outcomes of treatment with resorbable magnesium scaffolds for coronary artery disease: the prospective, international, multicentre BIOSOLVE-IV registry.

    Wlodarczak, Adrian / Montorsi, Piero / Torzewski, Jan / Bennett, Johan / Starmer, Gregory / Buck, Thomas / Haude, Michael / Moccetti, Marco / Wiemer, Marcus / Lee, Michael-Kang-Yin / Verheye, Stefan

    EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology

    2023  Volume 19, Issue 3, Page(s) 232–239

    Abstract: Background: Bioresorbable scaffolds have been developed to overcome the limitations of drug-eluting stents and to reduce long-term adverse events.: Aims: We aimed to assess the long-term safety and efficacy of a sirolimus-eluting resorbable magnesium ...

    Abstract Background: Bioresorbable scaffolds have been developed to overcome the limitations of drug-eluting stents and to reduce long-term adverse events.
    Aims: We aimed to assess the long-term safety and efficacy of a sirolimus-eluting resorbable magnesium scaffold to ensure its safe rollout into clinical routine.
    Methods: BIOSOLVE-IV is a prospective, international, multicentre registry including more than 100 centres in Europe, Asia, and Asia-Pacific. Enrolment started directly after the commercialisation of the device. Follow-up assessments are scheduled at 6 and 12 months, and annually for up to 5 years; we herein report the 24-month outcomes.
    Results: Overall, 2,066 patients with 2,154 lesions were enrolled. Patients were 61.9±10.5 years old, 21.6% had diabetes, and 18.5% had non-ST-elevation myocardial infarction (NSTEMI). Lesions were 14.8±4.0 mm long with a reference vessel diameter of 3.2±0.3 mm. Device and procedure success were 97.5%, and 99.1%, respectively. The 24-month target lesion failure (TLF) rate was 6.8%, mainly consisting of clinically driven target lesion revascularisations (6.0%). Patients with NSTEMI had significantly higher TLF rates than those without (9.3% vs 6.2%; p=0.025), whereas there were no significant differences observed for patients with diabetes or with type B2/C lesions (a 24-month TLF rate of 7.0% and 7.9%, respectively). The 24-month rate of definite or probable scaffold thrombosis was 0.8%. Half of the scaffold thromboses occurred after premature discontinuation of antiplatelet/anticoagulation therapy, and only one scaffold thrombosis occurred beyond the 6-month follow-up, on day 391.
    Conclusions: The BIOSOLVE-IV registry showed good safety and efficacy outcomes, confirming a safe rollout of the Magmaris into clinical practice.
    MeSH term(s) Humans ; Middle Aged ; Aged ; Coronary Artery Disease/surgery ; Coronary Artery Disease/etiology ; Magnesium/therapeutic use ; Prospective Studies ; Non-ST Elevated Myocardial Infarction ; Absorbable Implants ; Treatment Outcome ; Diabetes Mellitus ; Thrombosis/etiology ; Registries ; Percutaneous Coronary Intervention/adverse effects
    Chemical Substances Magnesium (I38ZP9992A)
    Language English
    Publishing date 2023-05-24
    Publishing country France
    Document type Multicenter Study ; Journal Article
    ZDB-ID 2457174-X
    ISSN 1969-6213 ; 1774-024X
    ISSN (online) 1969-6213
    ISSN 1774-024X
    DOI 10.4244/EIJ-D-22-01069
    Database MEDical Literature Analysis and Retrieval System OnLINE

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