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When looking for a cure for severe cases of Covid-19, researchers around the world are also relying on the blood plasma of recovered patients. Because it contains antibodies that are supposed to attack the virus. But a new clinical study from Argentina delivers sobering results. Since the beginning of the corona pandemic, researchers around the world have been working feverishly on therapies against severe courses of Covid-19. One approach is treatment with convalescence plasma: The blood plasma of those who have recovered is used as an active ingredient because it contains antibodies against Sars-CoV-2. The hope: the antibodies in the blood plasma attack the coronavirus, and the sick person recovers. US President Donald Trump had already called this therapy a “very historic breakthrough” in August. But that could turn out to be a fallacy: Another study delivers disappointing results.
Intensive care physicians at private parties After Christmas there is “roll backwards again”
In Argentina, researchers tested the effects of convalescent plasma on 333 people seriously ill with Covid-19. Two thirds received the blood plasma, but one third only received a placebo. In this way, the researchers wanted to make sure that any healing effects were actually due to the plasma therapy. A balance was then drawn 30 days after the plasma treatment. However, the hoped-for effect did not materialize: the blood plasma could neither significantly improve the patient’s state of health nor reduce the mortality rate, according to the study published in the New England Journal of Medicine. Whether the patient received the plasma or a placebo made no difference in symptoms or health. The mortality in both groups was about 11 percent. In the placebo group, the mortality was slightly higher, but according to the researchers, this was not statistically significant.
Study from India confirmed
A study from India published in October painted a similarly bleak picture of the chances of success of plasma therapy in severe Covid-19 cases. In this study, 464 patients who were hospitalized with moderate symptoms were divided into two groups. Only one of the two groups received convalescent plasma, the other was treated according to standard methods. After four weeks it became apparent: The proportion of severe courses and deaths in both groups was almost identical. The blood plasma therefore had no influence on a severe course. The independent medical network Cochrane also came to the preliminary conclusion in an analysis of a total of 19 studies on blood plasma therapy: “We do not know whether the plasma makes a real difference for the number of serious side effects or not.” The previous findings could be attributed to many factors: the natural course of the disease, a natural recovery, other treatments that run at the same time, or with the supply of convalescent plasma.
However, the authors of the Cochrane analysis emphasize that 98 further studies on plasma therapy (as of October 2020) are ongoing – including 50 so-called randomized studies that meet the highest scientific standards and investigate a precise relationship between cause and effect. Two clinical studies on plasma therapy are also running in Germany: the capsid study by the German Society for Transfusion Medicine and Immunohematology and the Recover study by the University of Heidelberg. Results have not yet been published.
Do antibodies only help with mild progress?
But even if plasma treatment has no effect in severe cases, it could play a role in less severe cases, said the head of the Argentine study, Ventura Simonovich from the Hospital Italiano de Buenos Aires. The Indian study provided an indication of this: The researchers found that after a week certain Covid 19 symptoms – shortness of breath and exhaustion – decreased more in the group of patients treated with plasma. Simonovich emphasizes that further studies on plasma therapy are necessary. At the same time, he does not want to rule out that other therapies based on antibodies could play a role in severe Covid 19 cases. Researchers and doctors are placing their hopes in synthetic antibodies from the laboratory, for example. Trump also received this experimental treatment after being infected with the coronavirus. However, there had also been setbacks in this field recently: The pharmaceutical company Eli Lilly had stopped a clinical study with seriously ill Covid 19 patients because no improvements could be achieved. The Regeneron company, whose antibody cocktail Trump had been given, gave up similar attempts. The tests with people who are not yet seriously ill, however, continue.
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Jedoch startet der kompakte Familienfreund auch schon bei knapp 40.000 Euro. Alle Infos in der Übersicht Tags: suchen suche search tag anzeigen besucherzahl browser design domain inhalt jahr karpfen konto problem inhalt schalten modellbahn spielemax spiel tag webseite preise werbung Reichsmarschall Göring hatte eine Märklin Modelleisenbahn >>> read more
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BR 01, DRG
(BTTB 2120)
BR 23 1003, DR
(Zeuke 159 / 77,
545 / 77) BR 23 1111, DR
(BTTB 2110)
BR 23, DR
(BTTB, aus "Touristen Express"-Set))
br35_1111
BR 35 1111-0, DR
(BTTB 2110)
br56
BR 56 2719, DR
(BTTB 2230) G 8.2, Nr. 2721, KPEV
(BTTB 2231)
br81_013dr_zeuke_schw_rahmen br81_001rt_rahmen_plast br81_004
BR 81 013, DR
(Zeuke 159 / 51,
545 / 51) BR 81 001, DR
(BTTB 2210)
BR 81 004, DRG
(BTTB 2210)
BR 81 004, DB
(BTTB 2211)
BR 81, DR
vereinfachte Steuerung
(Zeuke 159 / 78)
br86_1615_3 br86_460
BR 86 1615-5, DR
(BTTB 2240) BR 86 460, DRG
(BTTB 2242) BR 86 173, DB
(BTTB 2241) Reihe 455, CSD
(BTTB 2244)
br 92 zeuke br 92_6582 bttb_rt_rahmen br92
BR 92 6582, DR
(Zeuke 545 / 494) BR 92 6582, DR
(BTTB 2220) BR 92 als Privatbahn (BTTB
(BTTB, aus Start-Set) BR 92 als Nord-Belge (BTTB, aus Start-Set)
start_tenderlok_schw.jpg (41542 Byte)
2achsige Tenderlok, schwarz
(BTTB, aus Start-Set) 2achsige Tenderlok, grün
(BTTB, aus Start-Set)
v36_071grau v36_071dr_gn
V 36 071, DR, grau
(Zeuke 545 / 23,
BTTB 2631) V 36 071, DR, grün
(Zeuke 545 / 22)
V 36 021, DR, grün
(BTTB 2630)
BR 103 021-2, DR, grün
(BTTB 2630)
br103gelb.jpg (62757 Byte) v36_265db_rt.jpg (56714 Byte)
BR 103 033-7, DR, gelb
(BTTB 2631) V 36 255, DB, rot
(BTTB 2632) V 36, DB, schwarz
(BTTB) Y 50, SNCF, grün
(BTTB 2634)
zeuke_v75 zeuke_t435
V 75 001, 1. Ausführung
DR, rot
(Zeuke 545 / 53) T 435 001,
1. Ausführung
CSD, blau,
weißes Geländer
(Zeuke 545 / 52)
br107_001_0 t435 t435
BR 107 001-0, DR, rot
(BTTB 2620)
T 435 001, CSD, blau
schwarzes Geländer
(BTTB 2621) T 435 040, CSD, blau
weißes Geländer
(BTTB 2621)
ym32_125
YM 32-205 , SZD, grün
(BTTB 2622) YM 32-125; SZD, grün
(BTTB 2622)
br110 br110_156 gelb br212_176_2db_rt
BR 110 034-7, DR, rot
(BTTB 2540) BR 110 156-7, DR, gelb
(BTTB 2545) BR 211 167-2, DB, blau
(BTTB 2546) BR 212 176-2, DB, rot
(BTTB 2547)
v180_146 br118_114_8
V180 160, DR
rot / elfenbein
(Zeuke 545 / 750) V 180 146, DR
rot / elfenbein
(BTTB 2520) BR 118 146-0, DR
rot / creme
(BTTB 2522) BR 118 114-8, DR
rot / creme
(BTTB 2522)
BR 119 120-4, DR
(BTTB 2521)
br130dr
BR 130 007-8, DR
(BTTB 2640) T 679, CSD
(BTTB 2641)
br221rot br221_137_3blau_beige v200ic_rt_beige_rt
V 200 139, DB
rot / grau
(Zeuke 159 / 76,
545 / 26)
BR 221 139-9, DB
rot / silbergrau
(BTTB 2510)
BR 221 137-5, DB
blau / beige
(BTTB 2511)
BR 221, DB
rot / beige
(BTTB 2512)
v200 cccp v200 silverlines
V 200 "CCCP"
silber / rot
(Zeuke ) V 200 "Silver Lines"
silber / blau
(Zeuke ) V 200
braun
(Zeuke, aus Start-Set) V 200, SJ
braun
(BTTB, aus Start-Set)
t334rt t334 t334dsb
T 334, CSD, rot
(Zeuke 545 / 502) T 334 0508, CSD, blau
(Zeuke 545 / 501) T 334, CSD, grün / weiß
(BTTB 2610) MH, DSB, grün
(Zeuke 545 / 503)
t334gn_elf_start2a
T 334, 2achsig
blau / creme
(Zeuke (, aus Start-Set) T 334, 2achsig
grün / elfenbein
(Zeuke
(BTTB, aus Start-Set)
noab_mav_neu noab_dsb_bttb noab_sncb
M 61 001, MAV, weinrot
(Zeuke 545 / 9,
BTTB 2532) M 61 019, MAV, rot
(BTTB 2532)
My 1125, DSB, weinrot
(Zeuke 545 / 8,
BTTB 2531) R 202 003, SNCB, grün
(BTTB 2533)
start_taigatrommel
2achsige Diesellok
ähnlich DR-BR 120, rot
(BTTB, aus Start-Set) 2achsige Diesellok
ähnlich DR-BR 120, grün
(BTTB, aus Start-Set)
vt2_09_dach_beige
VT 2.09.070
Dach beige
(Zeuke)
Beiwagen VB 02,
Dach beige
(Zeuke)
VT 2.09.070 + VB,
Dach grau
(Zeuke 545 / 1,
BTTB 2810) Beiwagen VB 02,
Dach grau
(Zeuke ,
BTTB 2812)
br171_vb vb171
BR 171 018-5
Dach grau
(BTTB 2810) Beiwagen BR 171 824-6,
Dach grau
(BTTB 2812)
transius_rt_ws_2tlg
SVT "Courier", 2teilig
rot / weiß
(Zeuke) SVT "Courier", 2teilig
weiß / rot
(Zeuke) SVT "Courier", 2teilig
weiß / blau
(Zeuke 545 / 34)
Die Diesel-Schnelltriebwagen Elektro-Triebzug Fahrtrafo
SVT "Intourex", 3teilig
weiß / blau
(Zeuke 545 / 37)
ET "Transitus", 3teilig, weiß / blau
(Zeuke 545 / 35) ET "Transitus", 3teilig, grün / gelb
(Zeuke 545 / 35)
Mittelwagen für "Courier", Transitus", "Intourex";
rot / weiß
(Zeuke) Mittelwagen für "Courier", Transitus", "Intourex";
weiß / blau
(Zeuke) Mittelwagen für "Courier", Transitus", "Intourex"
weiß / rot
(Zeuke) Mittelwagen für "Courier", Transitus", "Intourex"; grün / gelb
(Zeuke)
e11_022dach_beige.jpg (55398 Byte) e11_022rt.jpg (64664 Byte)
E 11 022, DR
grün, Dach beige
(Zeuke 545 / 754)
E 11 015, DR
grün, Dach grau
(Zeuke 545 / 754,
BTTB) E 11 022, DR
rot
(Zeuke / BTTB 2322)
BR 211 018-7, DR
rot
(BTTB 2322)
e42_018
E 42, DR,
grün, Dach beige
(Zeuke 545 / 755) E 42 018, DR
grün, Dach grau
(Zeuke 545 / 755,
BTTB 2321) BR 242 020-6, DR
grün, Dach grau
(BTTB 2321) BR 242 018-2, DR
grün, Dach grau
(BTTB 2321)
E 70 01, DR, braun
(Zeuke / Herr 545 / 25, 545 / 2 / 2)
E 70 01, DR, grün
beschriftet
(Zeuke / Herr 545 / 24) E 70, DR, grün,
unbeschriftet
(Zeuke / Herr) E 70 01, DR, grau
(Zeuke / Herr)
e94zeuke br254_065_6 br194db
E 94 065, DR, grün
(Zeuke 545 / 751) BR 254 065-6, DR, grün
(BTTB 2410) BR 194 178-0, DB, blau
(BTTB 2411) Reihe 1020 020, ÖBB, rot
(BTTB 2412)
br250
BR 250 112-0, DR, bordeauxrot
(BTTB 2330) BR 250 245-8, DR, hellrot
(BTTB 2331)
e499blau_bttb e499g e499 szd
E 499 035, CSD
blau / elfenbein
(Zeuke 545 / 20,
Zeuke 545 / 752 / 1,
BTTB 2312) E 499 035, CSD
grün / elfenbein
(Zeuke 545 / 21,
Zeuke 545 / 752 / 2
BTTB 2311) YC 1-003, SZD, grün
(BTTB 2313)
E 499, SJ, rotorange
(BTTB)
start_e_lok_blau start_e_lok_gn
2achsige E-Lok
CC 7200, SNCF,
blau mit silberner Zierleiste
(BTTB, aus Start-Set) 2achsige E-Lok
CC 7200, SNCF,
blau ohne Zierleiste
(BTTB, aus Start-Set)
2achsige E-Lok
CC 7200, SNCF,
grün
(BTTB, aus Start-Set)
2achsige E-Lok
CC 7200, SNCF,
hellgrau / gelb als NS-Lok
(BTTB, aus Start-Set)
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