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IsabellaLinton
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13 Apr 2020, 11:28 am

^^ That's wonderful news jimmy.

I'm not sure if I read it properly. Will this drug potentially help patients who are immunocompromised by breast cancer if they also contract COVID-19, or is it two separate uses? I worry a lot about people who are susceptible to this virus because of their cancer treatment.


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jimmy m
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13 Apr 2020, 11:28 am

South Dakota Gov. Kristi Noem on Monday announced a statewide clinical trial of hydroxychloroquine for the possible treatment of COVID-19, making her state the first in the country to institute a program exploring the potential effectiveness of the drug in treating and preventing coronavirus.

“Today, I’m pleased to report we have received the initial doses we need, and thanks to the leadership of Sanford Health and the assistance of medical teams at Avera and Monument Health, we’re going to be the first state in the nation to do a comprehensive clinical trial to assess whether hydroxychloroquine can treat and perhaps even prevent COVID-19,” she said.

Sanford Health is the largest provider of rural health care in the country, according to Noem. With the help of Avera and Monument Health, they will treat “up to 100,000 people including outpatient and hospitalized patients with COVID-19, in addition to frontline health care workers, and high-risk individuals who have been exposed to the virus.”

Source: South Dakota implements statewide hydroxychloroquine clinical trial for potential coronavirus treatment


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jimmy m
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13 Apr 2020, 11:42 am

IsabellaLinton wrote:
I'm not sure if I read it properly. Will this drug [leronlimab] potentially help patients who are immunocompromised by breast cancer if they also contract COVID-19, or is it two separate uses? I worry a lot about people who are susceptible to this virus because of their cancer treatment.


There is a link: Leronlimab Moving Toward Breakthrough Designation With Positive mTNBC Data

The way I read the article is that Leronlimab will treat a type of breast cancer called metastatic triple-negative breast cancer. And it also looks promising for treating COVID-19.

Quote:
The FDA has recommended that a preliminary meeting for a potential Breakthrough Therapy designation be requested for leronlimab (PRO 140) as a treatment of patients with metastatic triple-negative breast cancer (TNBC), based on positive data from a phase Ib/II study, CytoDyn, developer of the CCR5 antagonist, announced in a press release.

The first patient was enrolled in the study and received their first treatment in September of 2019. Following 2 treatments with leronlimab and carboplatin, the patients’ circulating tumor cells (CTC) decreased to 0. Additionally, the total CTC and epithelial mesenchymal transition in tumor metastasis (EMT) levels decreased to 0 after a month of weekly treatments.

A CT scan was given to the patient to measure tumor shrinkage and showed a 25% reduction in size within a few weeks of treatment with leronlimab and carboplatin. The patient had 0 detectible cancer-associated microphage-like cells, in addition to continuing to show no CTCs or EMTs after about 5 months of treatment. Since these results were recorded, the patient has discontinued treatment with carboplatin but continues treatment with leronlimab at the oncologist’s recommendation.


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IsabellaLinton
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13 Apr 2020, 11:47 am

jimmy m wrote:
IsabellaLinton wrote:
I'm not sure if I read it properly. Will this drug [leronlimab] potentially help patients who are immunocompromised by breast cancer if they also contract COVID-19, or is it two separate uses? I worry a lot about people who are susceptible to this virus because of their cancer treatment.


There is a link: Leronlimab Moving Toward Breakthrough Designation With Positive mTNBC Data

The way I read the article is that Leronlimab will treat a type of breast cancer called metastatic triple-negative breast cancer. And it also looks promising for treating COVID-19.

Quote:
The FDA has recommended that a preliminary meeting for a potential Breakthrough Therapy designation be requested for leronlimab (PRO 140) as a treatment of patients with metastatic triple-negative breast cancer (TNBC), based on positive data from a phase Ib/II study, CytoDyn, developer of the CCR5 antagonist, announced in a press release.

The first patient was enrolled in the study and received their first treatment in September of 2019. Following 2 treatments with leronlimab and carboplatin, the patients’ circulating tumor cells (CTC) decreased to 0. Additionally, the total CTC and epithelial mesenchymal transition in tumor metastasis (EMT) levels decreased to 0 after a month of weekly treatments.

A CT scan was given to the patient to measure tumor shrinkage and showed a 25% reduction in size within a few weeks of treatment with leronlimab and carboplatin. The patient had 0 detectible cancer-associated microphage-like cells, in addition to continuing to show no CTCs or EMTs after about 5 months of treatment. Since these results were recorded, the patient has discontinued treatment with carboplatin but continues treatment with leronlimab at the oncologist’s recommendation.


That's freaking fantastic news, if it becomes a viable new drug for any form of breast cancer treatment.

It does seem to be two separate issues though. It doesn't quite say it will help breast cancer patients survive COVID.

I hope that's implicit.


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jimmy m
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13 Apr 2020, 11:51 am

More than 100 South Koreans who fully recovered from coronavirus have tested positive for a second time. The killer virus has “reactivated” in a total 116 patients, with 48 of them in the nation’s coronavirus epicenter of Daegu, according to Yonhap News Agency. Jeong Eun-kyeong, director of the Korea Centers for Disease Control and Prevention, said the virus may have been reactivated after remaining dormant in the patients, as opposed to them being reinfected. The country reported last week there were 51 cases of patients testing positive after being cleared of the virus. Jeong noted, however, there have been no cases of the relapsed patients spreading the virus to anyone else, Yonhap News reported.

Source: Coronavirus has 'reactivated' in more than 100 South Koreans who recovered

This sort of reminds me of the relationship between chicken pox and shingles. Shingles is caused by the varicella-zoster virus — the same virus that causes chickenpox. After you've had chickenpox, the virus lies inactive in nerve tissue near your spinal cord and brain. Years later, the virus may reactivate as shingles.


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EzraS
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13 Apr 2020, 12:04 pm

^ wonderful :roll:



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13 Apr 2020, 12:10 pm

That’s what worries me.
Viruses going dormant and then popping back up.
Herpes is one.


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13 Apr 2020, 12:11 pm

I think it will take a combination of AI and “outside the box” human thought to come up with the correct combination of compounds to find a “cure” for this virus. Even then, it will take time to test it and then mass produce it for the world. I do not want to get into the technical issues over who “owns” the drug rights, as that is another nightmare for another time.

One thought that I did have a while ago is that we might be able to use genetically modified bacterial to mass produce target compounds once they have been identified. The bacteria act as a catalyst in the reaction process. That is a crapshoot, but it is a possible tool to use. Some of the target drugs likely contain chiral carbon centers, leading to racemixation of isomer products if the synthesis is done in a laboratory beaker. The problem is one of the isomers might work, while the other does not. If you use the mixed forms in a drug without separating them, it will likely not be effective and/or it will likely have side effects worse than the virus infection. Biological reactions can be done that only form the particular isomer needed, but one has to know the biochemistry of the biological used in and out. Any slight miscalculation will lead to failure.



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13 Apr 2020, 12:24 pm

jimmy m wrote:
More than 100 South Koreans who fully recovered from coronavirus have tested positive for a second time. The killer virus has “reactivated” in a total 116 patients, with 48 of them in the nation’s coronavirus epicenter of Daegu, according to Yonhap News Agency. Jeong Eun-kyeong, director of the Korea Centers for Disease Control and Prevention, said the virus may have been reactivated after remaining dormant in the patients, as opposed to them being reinfected. The country reported last week there were 51 cases of patients testing positive after being cleared of the virus. Jeong noted, however, there have been no cases of the relapsed patients spreading the virus to anyone else, Yonhap News reported.

Source: Coronavirus has 'reactivated' in more than 100 South Koreans who recovered

This sort of reminds me of the relationship between chicken pox and shingles. Shingles is caused by the varicella-zoster virus — the same virus that causes chickenpox. After you've had chickenpox, the virus lies inactive in nerve tissue near your spinal cord and brain. Years later, the virus may reactivate as shingles.


This has been my concern of this as well ever since I first heard of this potential reoccurence happening. It's one of the reasons weeks ago that I said we don't know enough about this virus. Another reason it's concerning if true (rather than possible false negative tests) and which some people have written articles about is how this virus isn't behaving like other corona viruses or it's behaving like an amalgam of different viruses including HIV. More "unhinged" conspiracy? Let's pass judgement in that regard in a year when the world has rock solid data and full knowledge of this brand new virus and see. Also let's hope beyond hope that this virus doesn't end up being incurable and with the person for their lifetimes only to continually flare up and ravage/kill them all the while that they're spreading the infection to those who have never gotten the virus.



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13 Apr 2020, 12:41 pm

Don't you wish you could go back in tame and slap a bat out of someone's hands?



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13 Apr 2020, 12:45 pm

Yeah ,but they’d just start rummaging around and shake another out of a tree.


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13 Apr 2020, 12:46 pm

I’m not saying that the 116 reinfections is great. But it should be pointed out that 7,447 people have recovered in South Korea, per Worldometer.

We have to get to the bottom of why reinfections occurred.



IsabellaLinton
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13 Apr 2020, 12:55 pm

kraftiekortie wrote:
I’m not saying that the 116 reinfections is great. But it should be pointed out that 7,447 people have recovered in South Korea, per Worldometer.

We have to get to the bottom of why reinfections occurred.


Brehus posted an excellent video a week or two ago.

I'll repost, if anyone didn't see it.



Dr. Angela Rasmussen made an excellent observation about Corona testing. The swab doesn't always hit the exact spot where the virus is resting in the airway. It's a very small swab, and the airway is large. This virus moves. In some people it settles very far down the trachea and in others it settles in the intestines, or even migrates to the brain stem to belabour our breathing. She posits that many people test a false negative, and that some people who did test positive will test negative on their second test because the virus has moved. Then when the person's symptoms flare again, they seem to develop a "second case" when in reality, it was the first virus that whole time. The person may test positive on a third test (postive, false negative, postive) or a second test (false negative, positive). This was one of the most informative videos I've seen.

It's well worth an hour of everyone's time especially when most of us have nothing else to do.

Thanks again Brehus.


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13 Apr 2020, 1:08 pm

The drug companies can even spread it by accident:

https://news.yahoo.com/premier-u-drug-c ... 42563.html



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13 Apr 2020, 1:15 pm

New York Man slashes tires on 22 vehicles of nurses working overnight shift
https://www.yahoo.com/huffpost/daniel-h ... 33888.html

"29-year-old Daniel R. Hall of Peekskill and charged him with criminal mischief and auto stripping".

"Just hours earlier, dozens of police officers and firefighters gathered outside the hospital to applaud health care workers"


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13 Apr 2020, 1:18 pm

Peekskill is about 20 miles north of the northernmost part of NYC, and about 35 or so miles from my part of Queens.

I hope they charge this person with a felony.