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Covid-19: Razvoj vakcine, imunitet i primena medikamenata


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18 hours ago, Dankan Ajdaho said:

 

Ne treba recept.

Zaboravio sam da tu mogu da se dobiju ozbiljni lekovi bez recepta. Hvala za info, nekom može da pomogne da ima lekove pre nego što se pojavi u bolnici za tretman.

 

Ovde je jedna dokumentarna emisija od juče        (emisija od 21. marta na linku), na 11:44 ide Peter Doerti, nobelovac po kome se zove melburnški institut na kome su prvi van Kine reprodukovali virus u laboratoriji, a sad rade na vakcini. Pred kraj govori o korišćenju krvi ljudi koji su preležali bolest za pomoć ljudima sa smanjenim imunitetom (ovo kao odgovor na prethodni post halloween).,

 

SaE

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"Malarialäkemedel sätts in hos coronapatienter

UPPDATERAD IDAG 03:46

PUBLICERAD IGÅR 16:58

Läkemedlet klorokinfosfat, som länge använts mot malaria, har börjat användas mot coronaviruset hos patienter på Karolinska sjukhuset i Huddinge och Södersjukhuset. Men enligt Läkemedelsverket finns ännu inga tillförlitliga studier som visar att det fungerar."

 

i prevod, kome treba

 

"Malarial drugs are used in corona patients
UPDATED TODAY 03: 46PUBLISHED Yesterday 16:58
The drug chloroquine phosphate, which has long been used for malaria, has started to be used against the coronavirus in patients at Karolinska Hospital in Huddinge and Södersjukhuset. But according to the Swedish Medicines Agency, there are no reliable studies to prove that it works."

 

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ovako izgleda plazma, trebalo bi da prave plan da je izdvoje od svakog oporavljenog pacijenta, sada transfuziolozi imaju bitan zadatak

 

 

plazma.jpg

Edited by Kelt
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15 hours ago, -izm said:

 

da li postoje podaci/istraživanja o tome kako virus deluje (u smislu češćih komplikacija) na one koji imaju neku sistemsku/autoimunu bolest? hvala unapred :)

 

eh, ovakva pitanja sam htela da izbegnemo :) forum ne može da bude online ordinacija za ozbiljne stvari :)

ali blizu je pameti da svako ko ima neko hronično stanje, pogotovo takvo koje potencijalno zahteva imunosupresivnu terapiju, treba da bude dodatno oprezan i da se zaštiti.

 

napisala sam više puta, možda ne dovoljno jasno i naglašeno, ali svaki čovek, bio on zdrav ili bolestan, je slučaj za sebe.

koliko god bilo glupo samocitiranje, ponoviću deo prvog posta:

kakav će biti ishod za nekog, kao i u bilo kojoj infektivnoj bolesti, zavisi od složenog interpleja infektivnog uzročnika i domaćina

determinativni faktori poreklom od infektivnog agensa (u ovom slučaju koronavirusa) su pre svega njegova citopatogena i imunogena svojstva (očigledno potentan u oba smisla), ali i količina virusa kojoj je neko bio izložen (maske tu mogu biti od pomoći), a faktori domaćina: genetska predispozicija, uzrast, pol, postojeći komorbiditeti (koji su u odmaklim godinama praktično neminovnost), i sekundarne infekcije, koje su pogotovo kod hospitalizovanih bolesnika takođe pre pravilo nego izuzetak (posebno kod onih na mehaničkoj ventilaciji, sa kateterima i sl.)

 

i baš zato što se ne može predvideti ishod ni za koga (jer zavisi od toliko mnogo faktora i njihove interakcije) i zato što nema pravila, svako treba da se zaštiti, bio on star, mlad, bolestan ili zdrav. sada je trenutak da počnemo da se plašimo. strah je sada naš prijatelj, jer će nas naterati da sedimo kod kuće gde nam je uostalom i najlepše.

 

......

 

da dodam još za serume uopšteno, oni se mogu koristiti i profilaktički, npr. baš kod tih ranjivih grupa gde očekujemo težu kliničku sliku, i pre nego što dođe do infekcije, tako da, ukoliko do nje dođe, ta osoba već ima neku zaštitu. pasivna imunizacija (to je zaštita gotovim antitelima) je kratkotrajna i ne može biti zamena za vakcinu (aktivna imunizacija, gde organizam sam pravi sosptvena antitela), takođe nosi svoje rizike, a nekada kada se daje terapijski nije ni baš efikasna ako se ne ubode pravi trenutak.

 

verujem da su svi koji ovde ćaskamo svesni da su za nas u ovom trenutku sve ove opcije na dugačkom štapu i da će verovatno govno da udari u ventilator pre nego što će one biti dostupne, ako ikad i budu. ono što u je u ovom trenutku dostupno a vrlo je efikasno je, još jednom, da sedimo kod kuće. pogledajmo primere kine i italije i izvucimo pouku.

 

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43 minutes ago, Host said:

Jbt. Pod uzorak ne mislim na uzorak brisa nego na statisticki uzorak. Nebitno je sta su merili, bitno je da nisu imali dovoljno pacijenata za signifikantan zakljucak. Jedino sto pouzdano znamo o leku za sada je da mozda leci a mozda i ne leci. 

 

Neverovatno mi je neobicno da do sada imamo preko 300k potvrdjenih i preko 10k smrtnih slucajeva, a da nema nijednog istrazivanja leka na uzorku vecem od 35 pacijenata. Kako to objasnjavas?

Nema završenog istraživanja - U Kini trenutno ide 40+ studija o lečenju, u jednom trenutku je čak bila frka da li će biti dovoljno pacijenata za sve studije - jedan deo studija koji je krenuo tamo polovinom februara će biti prezentovane u aprilu ili maju.

Inače, studije u ovakvim stanjima ne mogu da budu dugačke, pošto je sama bolest relativno kratkog toka, tako da svaka studija može da traje oko mesec dana.

Sa lekovima postoji još dve stvari - da bi se knjiški neki lek stavio u protokol treba mnogo vremena, testiranja i cinculiranja, a ni za jedno nema vremena - ovde će morati da se rizikuje u odredjenoj meri.

Drugo, i kad se nadje lek to se ne može i ne sme objavljivati javno pre nego što se napravi kakav takav plan deljenja/kupovine ovog leka, inače će doći do haosa / nešto slično je vidjeno u vreme čuvenog Tamiflua/

 

 

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On 21.3.2020. at 12:27, April said:


 

 


+1000

O tom leku se već sve zna pedeset godina unazad, i čemu ustezanje kad u Italiji umire 600 ljudi na dan.

Sent from fav toy
 

 

Pa misliš da ga u Italiji ne koriste? Koriste čak i one lekove koji nisu još uvek registrovani i odobreni zvanično za upotrebu, imaju mogućnost jer im to dozvoljava klauzula "sažaljenja"(compassion exception). Ovde koriste sve što može da pomogne, ne bira se više.

 

Što se eventualne vakcine tiče, pre iduće godine u ovo vreme, nema ništa. Radi se punom parom na sve strane, ali nažalost "tehničko vreme" je tako da zbog svih testova koji moraju da se urade, i svih protokola bezbednosti koji moraju da se prodju, nema šanse da se u masovnu proizvodnju udje pre iduće godine na proleće.

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Coronavirus: Three wise men crack the code, now to save the world

Day by day they’re edging closer to a vaccine for COVID-19, but there can be no cutting corners, no half-measures when millions of lives are at stake. In a very real sense, these three Brisbane scientists have the weight of the world on their shoulders.

Keith Chappell came up with the idea to hijack the virus’s own fearsome infectious properties with revolutionary “molecular clamp” technology, and since January he has worked around the clock with colleagues Paul Young, Trent Munro and Daniel Watterson to put it into a jab to inoculate the ­population.

After experimenting with 250 different formulations, they have settled on a candidate vaccine, S-Spike, and this is being tested on laboratory mice at the University of Queensland as a prelude to human trials by mid-year. There is every chance the team will be the first in the world to bring it to market.

“In terms of getting a vaccine that we think will work, we think we are already there,” said Dr Chappell, 38.

“But getting a vaccine that’s available for seven billion people on the planet means … we have to move to scale, and that’s a very different proposition.

“It’s all about how much risk we are willing to accept.”

Dodatak na vest odozgo:

A "Commercial Risk"

However, the scientist stressed that there is a "commercial risk" that comes with getting the vaccine available to seven billion people around the world, although that is one risk he and his colleagues "are willing to take."

 

The costs to manufacture the vaccine on a large scale would be between $20M to $30M.

 

With the help of Professor Munro, the group is already in talks with regulators and the Therapeutic Goods Administration as well as the European Medical Association for approvals.

 

Meanwhile, the vaccine is being fine-tuned at the Peter Doherty Institute for Infection and Immunity at the University of Melbourne. However, the progress is on track and should be available by the end of the year.

 

... ali, stiže kvaka:

 

Chappell believes that running the manufacturing and the clinical trials alongside is the best way to ensure that there are doses ready to go to the public once they have seen success in the labs.

 

According to the researchers, the vaccine certainly works with MERS--but not on COVID-19, although they are close relatives and the MERS virus is far more fatal than COVID-19, only less infectious.

 

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Najnovije o ranije pominjanim kliničkim testovima:

Rush to raise funds for large COVID-19 drug trial in Australian hospitals

Australian researchers behind a new clinical trial of two drugs to treat COVID-19 are desperate to raise $16 million after being inundated with requests from hospitals across the country to join the trial.

An electron-microscope image of the COVID-19 virus, isolated from the first Australian coronavirus case. 

An electron-microscope image of the COVID-19 virus, isolated from the first Australian coronavirus case. Credit:CSIRO

The trial, funded by the Royal Brisbane and Women’s Hospital and coordinated by Melbourne's Doherty Institute for Infection and Immunity, launched on Wednesday with enough funding to enrol 2400 patients in three hospitals.

 

But more than 60 hospitals across Australia have since asked to participate, leaving organisers millions of dollars short.

 

SaE

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22 hours ago, steins said:

Fostat je manje efikasan od hidroskihlorokvina

Послато са Mi 9T помоћу Тапатока
 

U skladu je sa domicilnom kulturom da prvo proba lakom artiljerijom, pa ako ne ide, poteže se teža, progresivno. Videćemo tj. čućemo za 7-10 dana kako je prošlo.

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Bilo već? Ne nalazim, pa neka ovde, sve i da je ponavljanje...

 

Dakle kreće SOLIDARITY

 

"On Friday, the World Health Organization (WHO) announced a large global trial, called SOLIDARITY, to find out whether any can treat infections with the new coronavirus for the dangerous respiratory disease. It’s an unprecedented effort—an all-out, coordinated push to collect robust scientific data rapidly during a pandemic."

 

"Scientists have suggested dozens of existing compounds for testing, but WHO is focusing on what it says are the four most promising therapies: an experimental antiviral compound called remdesivir; the malaria medications chloroquine and hydroxychloroquine; a combination of two HIV drugs, lopinavir and ritonavir; and that same combination plus interferon-beta, an immune system messenger that can help cripple viruses. "

 

"The design is not double-blind, the gold standard in medical research, so there could be placebo effects from patients knowing they received a candidate drug. But WHO says it had to balance scientific rigor against speed. "

 

"On Sunday, INSERM, the French biomedical research agency, announced it will coordinate an add-on trial in Europe, named Discovery, that will follow WHO’s example and will include 3200 patients from at least seven countries, including 800 from France. That trial will test the same drugs, with the exception of chloroquine. Other countries or groups of hospitals could organize add-on studies as well, Heneo-Restrepo says."

 

Etc.

 

I još, COVID-19: Commission steps up research funding and selects 17 projects in vaccine development, treatment and diagnostics

 

10 miliona Evra direktno iz rezervnog fonda Horizon 2020, ostatak "Furthermore, up to €45 million in Horizon 2020 funding will support additional research through the Innovative Medicines Initiative (IMI), a public-private partnership between the Commission and the pharmaceutical industry. A commitment of a similar scale is expected from the pharmaceutical industry so that the total investment in the fast-track call launched on 3 March could reach up to €90 million. This means that the total amount in funding for coronavirus research, mobilised from Horizon 2020 and the industry through IMI, could reach almost €140 million."

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u srbiji se koristi hlorohin, a u nisu su nabavili hidroksihlorohin

 

Quote

Vladimir Đukić, direktor klinike /KBC D. Mišović/, potvrdio je za "Blic" da pacijenti sa Infektivne stižu sa prepisanom terapijom u kojoj je i "hlorikin", 
...

Lek protiv malarije nalazi se i u preporuci Radne grupe Ministarstva zdravlja Srbije za kontrolu virusa Kovid-19.

- Težim pacijentima obolelim od korona virusa daje se terapija koju čine lek protiv malarije, antivirusni lekovi koji su inače deo terapije protiv AIDS-a

...

Prof. dr Radmilo Janković, direktor Klinike za anesteziju i intenzivnu terapiju KC u Nišu, kaže ... 

- ... Koristimo preporučene doze. To je lek koji može biti kardiotoksičan, a zato je i terapija protiv malarije ograničena na do 20 dana. ... Zato tu vrstu lekova ljudi nikako ne smeju da koriste na svoju ruku, već se isključivo primenjuju u bolnicama i pod stručnim nadzorom lekara 

... nabavili smo lek "hidroksihlohlorokin", antimalarik, za koga preliminarni podaci pokazuju da može da bude koristan u lečenju korona virusa – kaže dr Janković.

 

Edited by Krošek
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