By Meryl Nass, MD
[Editor’s note: It should be noted that Dr Nass’s first objective has been achieved as following the publication of this article the WHO have halted these lethal trials.]
Updates can be found here.
The
Solidarity Trial is a WHO-led conglomeration of
many national trials of treatments for Covid-19. Per the
WHO:
As of 3 June 2020, more than 3500 patients have been recruited in 35 countries, with over 400 hospitals actively recruiting patients. Overall, over 100 countries have joined or expressed an interest in joining the trial, and WHO is actively supporting 60 of them...
The
hydroxychloroquine arm of the Solidarity trials restarted enrolling patients June 3, after being halted May 25 by WHO Director-General Dr. Tedros Adhanom Ghebreyesus and the Executive Group of the Solidarity Trial. The hydroxychloroquine (HCQ) arm of the trials had been stopped after publication of the Lancet
Surgisphere study, which claimed that patients who received hydroxychloroquine had 35% higher death rates, but the Lancet
study was retracted 13 days after publication, as its data turned out to be
fabricated.
Below are the
drugs being tested in Solidarity:
- Remdesivir
- Hydroxychloroquine
- Lopinavir with Ritonavir
- Lopinavir with Ritonavir plus Interferon beta-1a.
However, the
doses were not specified on WHO's list of the drugs to be trialed, nor were they specified, surprisingly, in
WHO's 4 person consultation on chloroquine (CQ) dosing, dated April 8. Instead, the Introduction of the Report of that meeting notes,
"The chloroquine or hydroxychloroquine schedule selected for the trial includes two oral loading doses (250 mg per tablet CQ or 200 mg per tablet HCQ), then oral twice-daily maintenance doses for ten days. This meeting convened to discuss the appropriateness of the selected doses for the trial."
Last week, I was alerted to the fact that India's ICMR, its official medical research agency, had
written to the WHO, telling WHO that the hydroxychloroquine doses being used in the Solidarity trial were
4 times higher than the doses being used in India. Then I learned that Singapore had been hesitant to participate in the WHO trial due to the hydroxychloroquine dose.
The UK "Recovery" trial was very similar to, but not part of, the international Solidarity conglomeration of clinical trials. The Recovery trial ended its HCQ arm on June 4,
reporting no benefit. In-hospital mortality of the 1542 patients receiving hydroxychloroquine was 25.7%, or 396 deaths, about 10% higher than those receiving standard care, a non-significant difference.
The Recovery trial
Study Protocol notes it is funded in part by the Wellcome Trust and the Bill and Melinda Gates Foundation, and by UK government agencies. The
Protocol provides the doses of hydroxychloroquine used, on page 22. Twitter users began to notice a dosing problem, with hashtag #Recoverygate.
The HCQ dosing regimen used in the Recovery trial was 12 tablets during the first 24 hours (800mg initial dose, 800 mg six hours later, 400 mg 6 hrs later, 400 mg 6 hours later), then 400 mg every 12 hours for 9 more days. This is
2.4 grams during the first 24 hours, and a cumulative dose of 9.2 grams over 10 days.
Even more disturbing than this, babies weighing 5 kg could be given a dose of 300 mg HCQ in the first 24 hours in the Recovery trial, which is 233 mg of the base, nearly 4 times the
recommended maximum.
The quote from the WHO report on dosing, provided 4 paragraphs ago, seems to be deliberately vague regarding the dose used in the Solidarity trial, stating the number of milligrams per tablet, but not the number of tablets to be used. The trial
is registered but the registration fails to specify dosages.
The
registration of the Canadian portion of the Solidarity trial informs us of its HCQ dose: ten 200 mg tablets during the first 24 hours (800 mg initial dose, 800 mg 12 hours later then 400 mg every 12 hours for 9 more days). This is 2.0 grams during the first 24 hours, and a cumulative dose of 8.8 grams over 10 days, or only 0.4 grams less than what Recovery used. The
Norwegian Solidarity trial uses dosing identical to Canada.
Co-Principal Investigators of the Recovery trial, Drs. Peter Horby and Martin Landray, said they followed the WHO dosing. This is what their trial
document says as well, on page 23. Landray also
claimed in an interview with
Paris Soir that the maximum allowed HCQ dose was "6 or 10 times" the dose used in Recovery, and that he was using the hydroxychloroquine dose that is used for amebic dysentery. However, the accepted use for HCQ in amebiasis is
only for a liver abscess and only then in pregnancy, when other drugs cannot be used. That dose is 600 mg per day for 2 days, then 300 mg per day, considerably less than half the Recovery dose. Co-Principal Investigator Peter Horby said that
Paris Soir misinterpreted Landray's comments, but
Paris Soir said Landray had confirmed what he told them in an email prior to publication. Landray is a
very busy man, too busy, apparently, to look up the proper dose of a drug he gave to over 1500 subjects, who were randomized to the treatment and had no say in the matter.
We know that in Brazil, both a high HCQ dose and a low HCQ dose were trialed, and
by April 17 the
high dose arm was stopped prematurely due to an excess of deaths. The high dose arm used
600 mg HCQ twice daily for ten days, with cumulative dose of 12 grams. EKG changes typical of toxicity were seen in
25% of high dose subjects. The low dose trial continues in Brazil.
How is the drug hydroxychloroquine normally used? For chronic daily use in systemic lupus erythematosus or rheumatoid arthritis, patients receive between 200 and 400 mg daily, or a
maximum of 5 mg/kg. In acute Q fever, 600 mg daily may be given at the start of treatment. For acute attacks of malaria,
2,000 mg may be given over 3 days. Professor Didier Raoult's group in Marseille used 600 mg daily for up to ten days in 1061 Covid-19 patients, and
reported 8 deaths, a mortality rate of 0.75%, all over 74 years of age. The mortality rate reported by Landray and Horby in the Recovery trial is 34 times higher.
We know from WHO's March 13
Informal consultation on the potential role of chloroquine that the Gates Foundation had been studying the drug's complex pharmacokinetics, and of the 25 participants at this
meeting, 5 were from the Gates Foundation.
The only treatment dose mentioned in the March 13 Informal consultation
report was in a paragraph about preventive doses. It said,
"Higher doses would be considered for treatment, i.e., 10mg/kg base, followed by 5mg/kg twice daily for seven days."
What is the "base"? A 200 mg dose of
hydroxychloroquine contains 155 mg "base" drug.
The typical 70 kg person would, if this suggestion were followed, receive 700 mg base, or 900 mg total of hydroxychloroquine as a loading dose, then 450 mg twice daily. Generally, a loading dose refers only to a high first dose, not to several high additional doses.
What is a toxic dose? All experts agree. "... c
hloroquine has a small toxic to therapeutic margin," according to
Goldfrank's Toxicologic Emergencies. The drug is very safe when used correctly, but not a lot more can potentially kill. Prof. Nicholas White, a
Wellcome Trust Principal Research Fellow and expert in malaria treatment, who attended both WHO consultations on the chloroquines, has
confirmed this. Careful monitoring of electrolyte levels and an EKG
can prevent most problems.
The WHO hired a consultant to explore the toxicity of hydroxychloroquine in 1979. The consultant, H. Weniger, looked at 335 episodes of adult poisoning by chloroquine drugs. Weniger on
page 5 notes that a single dose of 1.5-2 grams of hydroxychloroquine base "may be fatal."
The Recovery trial used
1.86 grams hydroxychloroquine base (equal to 2400 mg of hydroxychloroquine) in the first 24 hours for treatment of already very ill, hospitalized Covid-19 patients, a potentially lethal dose. The Canadian and Norwegian trials used 2,000 mg of HCQ, or
1.55 grams of HCQ base in the first 24 hours. Each trial gave patients a cumulative dose during the first 24 hours that, when given as a single dose, has been documented to be lethal. (The drug's half-life is about a month, so the cumulative amount is important.)
The doses used in these trials are not recommended for therapy of any medical condition, which I confirmed with Goodman and Gilman's Pharmacology textbook, the drug's US label, and the online subscription medical encyclopedia
UptoDate.
Excessive, dangerous HCQ dosing continues to be used in WHO's Solidarity trials. These trials are not, in fact, testing the benefits of HCQ on Covid-19, but rather are testing whether patients survive toxic, non-therapeutic doses.
The WHO Solidarity trials, in order to rapidly enroll patients and spare clinicians a lot of paperwork, collect only limited information on side effects. No information has yet been provided regarding causes of death in the completed hydroxychloroquine arm of the Recovery trial, in which 396 patients died, and may never be.
The Solidarity trial design being employed by WHO obscures whether mortality is due to drug toxicity (in which case, one would expect cause of death to be due to an arrhythmia, neuropsychiatric effects, or hypoglycemia) as opposed to death due to Covid-19.
In fact, the lack of safety data being collected is downright scary. Here is a description of the data obtained on patients enrolled in Solidarity, as reported in
Science magazine:
The participant has to sign an informed consent form that is scanned and sent to WHO electronically. After the physician states which drugs are available at his or her hospital, the website will randomize the patient to one of the drugs available or to the local standard care for COVID-19.
“After that, no more measurements or documentation are required,” says Ana Maria Henao Restrepo, a medical officer at WHO’s Emergencies Programme. Physicians will record the day the patient left the hospital or died, the duration of the hospital stay, and whether the patient required oxygen or ventilation, she says. “That’s all.”
The WHO
report of its meeting on chloroquine dosing states,
"Although the preponderance of opinion tilted towards a reasonable benefit risk profile for the intervention, there was some scepticism about what was considered a ‘minimalistic safety data collection’ currently included in the protocol."
The high dose regimen being used in these trials has no medical justification. The trial design, with its limited collection of safety data, makes it difficult or impossible to identify toxic drug effects, compared to a standard drug trial. This is completely unethical.
Excessive dosing makes it impossible to assess therapeutic benefit, if any, of HCQ.
Giving the drug only to hospitalized patients means that the window of time during which HCQ would be expected to provide the most benefit,
early in the illness when viral titers are rising, has passed.
Didier Raoult's group has recently
published on the major differences in treatment and outcomes patients receive when placed in "big data" studies vs. receiving individualized care for Covid-19.
As I was completing this article, the FDA
announced it was withdrawing its Emergency Use Authorization for hydroxychloroquine in Covid-19, because the "known and potential benefits" no longer outweigh the risks of the drug. The FDA cited data from the Recovery trial in its announcement.
To sum up:
- In the UK Recovery trial, and in WHO Solidarity trials, HCQ is used in a non-therapeutic, toxic and potentially lethal dose.
- HCQ is furthermore being given, in clinical trials, too late in the disease course to determine its value against SARS-CoV-2.
- Collection of limited safety data in the Solidarity trials serves to protect trial investigators and sponsors from disclosures of expected adverse drug effects, including death.
- It appears that WHO has tried to hide information on the hydroxychloroquine doses used in its Solidarity trial. Fortunately, the information is discoverable from registries of its national trials.
- The conclusions to be drawn are frightening:
a) WHO and other national health agencies, universities and charities have conducted large clinical trials that were designed so hydroxychloroquine would fail to show benefit in the treatment of Covid-19, perhaps to advantage much more expensive competitors and vaccines in development.
b) In so doing, these agencies and charities have de facto conspired to increase the number of deaths in these trials.
c) In so doing, they have conspired to deprive billions of people from potentially benefiting from a safe and inexpensive drug, when used properly, during a major pandemic. This might contribute to prolongation of the pandemic, massive economic losses and many increased cases and deaths.
Posted by
Age of Autism on June 16, 2020 at 06:02 AM
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