IBOV 171,906.72 ▲ 0.51% IPSA 11,537.98 ▲ 1.76% IPC MEX 65,770.85 ▲ 0.06% MERVAL 2,995,129 — 0.00% COLCAP 2,510.72 ▲ 2.09% BVL PERÚ 60,222.25 ▼ 0.17% USD/BRL5.16▲ 0.06% USD/MXN16.94▼ 0.05% USD/CLP909.50▼ 0.36% USD/COP3,058▲ 0.45% USD/PEN3.35▲ 0.04% USD/ARS1,509▲ 0.63% USD/UYU40.18▼ 0.03% USD/PYG5,989▼ 0.11% USD/BOB11.44▲ 0.09% USD/DOP58.38▲ 0.70% USD/CRC446.05▼ 0.89% USD/GTQ7.62▼ 0.04% USD/HNL26.82▲ 0.02% USD/NIO36.62▲ 0.58% USD/VES783.11▲ 0.53% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD 157.28 — 0.00% USD/TTD6.72▲ 0.25% EUR/BRL6.01▲ 0.28% BRENT 88.88 ▼ 0.03% WTI 83.11 ▼ 0.11% IRON ORE 161.91 — — COPPER 6.61 ▲ 0.03% GOLD 4,461 ▲ 1.78% SILVER 65.59 ▲ 1.26% SOY 1,184 ▲ 3.20% CORN 480.50 ▲ 10.02% WHEAT 655.00 ▲ 3.93% COFFEE 317.25 ▼ 5.51% SUGAR 16.43 ▼ 1.79% ORANGE JUICE 138.55 ▼ 0.47% COTTON 85.03 ▲ 2.33% COCOA 5,719 ▲ 3.18% BEEF 223.60 ▼ 3.93% CATTLE 339.10 ▼ 3.16% LITHIUM 75.20 ▲ 1.47% PETR4 41.64 ▼ 0.05% VALE3 72.97 ▲ 0.83% ITUB4 38.60 ▼ 1.03% BBDC4 16.85 ▲ 0.36% ABEV3 14.89 ▼ 0.80% BBAS3 19.37 ▲ 0.47% B3SA3 14.26 ▼ 0.21% WEGE3 47.59 ▲ 0.49% PRIO3 59.14 ▼ 0.19% SUZB3 41.33 ▲ 2.35% RENT3 34.68 ▼ 0.09% AZZA3 15.89 ▼ 2.63% CSAN3 3.22 ▼ 1.83% RAIZ4 0.25 — 0.00% PCAR3 2.75 ▼ 0.36% GMAT3 3.65 ▼ 1.08% PSSA3 48.13 ▼ 0.54% CVCB3 1.33 ▼ 2.92% POSI3 3.36 ▲ 2.44% SLCE3 13.34 ▲ 0.30% NATU3 8.14 ▼ 0.73% IBOV 171,906.72 ▲ 0.51% IPSA 11,537.98 ▲ 1.76% IPC MEX 65,770.85 ▲ 0.06% MERVAL 2,995,129 — 0.00% COLCAP 2,510.72 ▲ 2.09% BVL PERÚ 60,222.25 ▼ 0.17% USD/BRL 5.16 ▲ 0.01% USD/MXN 17.06 ▼ 0.24% USD/CLP 913.98 ▲ 0.04% USD/COP 3,140 ▲ 0.03% USD/PEN 3.36 ▼ 0.66% USD/ARS 1,493 ▲ 0.10% USD/UYU 40.27 ▲ 1.24% USD/PYG 5,939 ▲ 1.68% USD/BOB 11.64 ▼ 0.76% USD/DOP 58.34 ▲ 1.25% USD/CRC 445.92 ▲ 0.89% USD/GTQ 7.62 ▲ 2.21% USD/HNL 26.79 ▲ 1.57% USD/NIO 36.62 ▲ 0.69% USD/VES 762.44 ▼ 0.13% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 157.28 — 0.00% USD/TTD 6.70 ▲ 0.61% EUR/BRL 5.95 ▲ 1.01% BRENT 88.88 ▼ 0.03% WTI 83.11 ▼ 0.11% IRON ORE 161.91 — — COPPER 6.61 ▲ 0.03% GOLD 4,461 ▲ 1.78% SILVER 65.59 ▲ 1.26% SOY 1,184 ▲ 3.20% CORN 480.50 ▲ 10.02% WHEAT 655.00 ▲ 3.93% COFFEE 317.25 ▼ 5.51% SUGAR 16.43 ▼ 1.79% ORANGE JUICE 138.55 ▼ 0.47% COTTON 85.03 ▲ 2.33% COCOA 5,719 ▲ 3.18% BEEF 223.60 ▼ 3.93% CATTLE 339.10 ▼ 3.16% LITHIUM 75.20 ▲ 1.47% PETR4 41.64 ▼ 0.05% VALE3 72.97 ▲ 0.83% ITUB4 38.60 ▼ 1.03% BBDC4 16.85 ▲ 0.36% ABEV3 14.89 ▼ 0.80% BBAS3 19.37 ▲ 0.47% B3SA3 14.26 ▼ 0.21% WEGE3 47.59 ▲ 0.49% PRIO3 59.14 ▼ 0.19% SUZB3 41.33 ▲ 2.35% RENT3 34.68 ▼ 0.09% AZZA3 15.89 ▼ 2.63% CSAN3 3.22 ▼ 1.83% RAIZ4 0.25 — 0.00% PCAR3 2.75 ▼ 0.36% GMAT3 3.65 ▼ 1.08% PSSA3 48.13 ▼ 0.54% CVCB3 1.33 ▼ 2.92% POSI3 3.36 ▲ 2.44% SLCE3 13.34 ▲ 0.30% NATU3 8.14 ▼ 0.73%
since 2009
Tuesday, August 25, 2026

Brazil Covid-19

Covid-19 : Brazil doctors denounce Prevent Senior for promoting ineffective medications to patients

By · October 11, 2021 · 3 min read

Daily Brief

The morning intel from across Latin America. Free.

By subscribing you agree to our privacy policy. We never share your email.

RIO DE JANEIRO, BRAZIL – Irene Castilho was not even allowed a day to mourn after her husband died of Covid-19. She too was sick, coughing and struggling to breathe; he had barely passed away when she began using the same oxygen mask. That same day, March 22, she was admitted to a São Paulo hospital.

The 71-year-old had followed doctors’ instructions to the letter, dutifully taking her hydroxychloroquine doses. She also took ivermectin and a battery of anti-inflammatory drugs and vitamins from the so-called “Covid kit” that her health care company, Prevent Senior, mailed to her home.

Medical care in the Brazilian health care system is often deficient. (photo internet reproduction)
One-stop reference
Company Intelligence
Every listed company in Latin America — financials, ownership and structure for 1,450+ companies across 26 exchanges, in one place.
Browse the directory →
RT
Ask Rio Times
This story and the bigger picture.
Open the full Ask Rio Times →

Nevertheless, her health deteriorated.

In the hospital, Castilho was put on dialysis and intubated. When doctors consulted her daughters about administering flutamide, a drug typically used for prostate cancer, they declined, concerned about potential side effects for their mother, a liver cancer survivor.

They later saw a nurse administer flutamide to their mother; she told them it had been prescribed despite their objection.

Castilho died in late April, 33 days after her husband, and her daughters scattered her ashes on his grave.

Castilho’s case is one of several examples that have led to inflammatory accusations against Prevent Senior, which operates 10 hospitals in São Paulo, and have scandalized Brazil since mid-September.

Whistleblower doctors, through their attorney, testified in the Senate last week that Prevent Senior recruited participants to supply untested drugs without appropriate consent and forced doctors to prescribe untested drugs touted by President Jair Bolsonaro as part of the “Covid kit.”

Several senators have said it appears that Prevent Senior falsified death certificates to omit Covid-19 as the cause of death. Authorities are also investigating complaints that the company conducted the research without the appropriate authorization.

The case underscores the sharp divide in Brazil over the adequate treatment of Covid-19 patients, with many in the nation, including the President – who is not vaccinated – opposing global scientific recommendations. And there is concern that other providers have also implemented unreliable policies.

Two weeks ago, Prevent Senior’s CEO Pedro Batista Júnior told senators that doctors have the right to treat Covid-19 patients as they see fit, and that patients had freely agreed to take the Covid kits.

Replying to questions sent by The Associated Press, Prevent Senior denied any wrongdoing, stating that all patients and their relatives used its products after providing full consent.

Medical care in the Brazilian health care system is often deficient. Many middle-class patients have private health insurance, but costs can be high, particularly for the elderly.

Prevent Senior seemed to be a solution. It was founded in 1997 and became popular among people who could not afford exclusive medical services. It costs approximately US$300 per month, half what its competitors charge. It has over 500,000 customers, whose average age is 68.

Hydroxychloroquine has been promoted by President Bolsonaro and those close to him. While some studies early in the pandemic considered it promising, these same studies that never made it out of the lab. Since then, more extensive research has shown it to be not only ineffective against Covid-19 but also potentially harmful.

The doctors also say they were advised to use ivermectin, an anti-parasitic drug that has not been proven effective against Covid-19. The American Medical Association advises against its use outside laboratories.

Pressure to prescribe hydroxychloroquine and ivermectin is evident in internal Prevent Senior messages collected by The Associated Press and previously submitted to the Senate Committee investigating the Brazilian government’s response to the coronavirus pandemic.

Among these messages are those from Benedito Júnior, another executive, 2 clinic directors and an unidentified doctor.

Bruna Morato, an attorney representing 12 doctors employed by Prevent Senior, testified before the Senate Committee on September 12 that the doctors were told that they would lose their jobs should they not prescribe the drugs.

Source: Infobae

This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error

Read More from The Rio Times

The Rio Times · Power Map
See who really holds power in Latin America
Click to open the Power Map

Rotate for Best Experience

This report is optimized for landscape viewing. Rotate your phone for the full experience.