Toxic cough syrup

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Since the 1990s, several mass poisonings from toxic cough syrup have occurred in developing countries. In these cases, an ingredient in cough syrup, glycerine (glycerol), was replaced with diethylene glycol, a cheaper alternative to glycerine for industrial applications. Diethylene glycol is nephrotoxic and can result in multiple organ dysfunction syndrome (MODS), especially in children. [1]

Contents

History

There have been poisonings in Bangladesh, Indonesia, Marshall Islands, Pakistan, Panama, The Gambia, India (twice), Uzbekistan, and Cameroon between 1992 and 2022, due to contaminated cough syrup and other medications that incorporated inexpensive diethylene glycol instead of glycerine.

Bangladesh

Discovering and tracing a toxic syrup to its source has been difficult for health care providers and governmental agencies due to difficult communication between the governments of developed countries and developing countries. For example, Michael L. Bennish, an American pediatrician who works in developing countries, had been volunteering in Bangladesh as a physician and had noticed a number of deaths that seemed to coincide with the distribution of the government-issued cough syrup. The government rebuffed his attempts at investigating the medication. In response, Bennish smuggled bottles of the syrup in his suitcase when returning to the United States, allowing pharmaceutical laboratories in Massachusetts to identify the poisonous diethylene glycol, which can appear very similar to the less dangerous glycerine. Bennish went on to author a 1995 article in the British Medical Journal about his experience, writing that, given the amount of medication prescribed, death tolls "must [already] be in the tens of thousands". [1]

Indonesia

In 2022, deaths of nearly 100 children in Indonesia, were reported to be linked to cough syrup and liquid medication. The syrup contained "unacceptable amounts" of diethylene glycol and ethylene glycol, linked to acute kidney injuries (AKI). In October, health officials reported around 200 cases of AKI in children, most of who were aged under five. Indonesia temporarily banned the sale and prescription of all syrup and liquid medicines as it was not clear if these medicines were imported or locally produced. [2]

In November 2023, Afi Farma's chief executive and three other officials, whose cough syrup was linked to the deaths were sentenced to two-year prison sentences and fined 1bn Indonesian rupiah ($63,029; £51,7130) each. [3]

Marshall Islands and Micronesia

In April 2023, World Health Organization (WHO) reported that, Guaifenesin TG syrup manufactured by QP Pharmachem Ltd in Punjab, India, had been found to contain "unacceptable amounts of diethylene glycol and ethylene glycol" in tested samples. Sudhir Pathak, managing director of QP Pharmachem, claimed that the batch of 18,346 bottles had been exported to Cambodia after obtaining all necessary regulatory approvals and that he was unaware of how the product had ended up in the Marshall Islands and Micronesia. [4]

Pakistan

In December 2012, toxic cough syrup led to a death toll of between 16 and 30 in Gujranwala, while in November of that year, at least 19 individuals in Lahore suffered the same fate. Following an inquiry, Tyno cough syrup, produced and distributed by Reko Pharma in Lahore, was identified as the cause of the fatalities in Lahore. [5] [6] Many of the victims from the two incidents were drug addicts seeking intoxication. The syrup was later found to contain too much dextromethorphan, a cough suppressant. [5]

Panama

In May 2007, 365 deaths were reported in Panama. [7] The diethylene glycol originated from a Chinese manufacturer, which exported it as industrial "TD glycerin" under a shelf life of one year. The letters "TD" were shorthand for "substitute" in Chinese. [7] When Panama-based Medicom received the product from a Spanish trader, it changed the name to "glycerine" and the expiration date to four years before selling it to the government of Panama. [8] Neither the trading companies involved nor the government lab in Panama that processed the ingredient tested the substance for verification. [9] Chinese authorities said they would no longer allow the name "TD glycerin" to be used. [8] One of the country's officials overseeing food and drug safety was sentenced to death in late May on charges related to the scandal. The Panama government detained several officials as well as employees of Medicom and set up a $6-million fund for the victims. [10]

The Gambia

In October 2022, the WHO announced a link between four paediatric cough syrups from one Indian pharmaceutical company and the deaths of 66 children in The Gambia from kidney failure. The products (Promethazine Oral Solution, Kofexmalin Baby Cough Syrup, Makoff Baby Cough Syrup, and Magrip N Cold Syrup) are believed to be contaminated with diethylene glycol and/or ethylene glycol. The products involved were manufactured by Maiden Pharmaceuticals of India in December 2021. [11] [12]

This has led to Maiden Pharmaceuticals' products being banned in The Gambia; a probe by the CDSCO and volunteers from health agencies in The Gambia going door to door in an urgent recall. [13] [12]

In December 2022, a parliamentary committee in The Gambia recommended prosecution of the Indian company, Maiden Pharmaceuticals. It also recommended banning all products by the firm in the country. [14]

Indian authorities started conducting an inquiry into an April 2023 allegation that a pharmaceutical regulator in Haryana state, who holds a senior position in the state health department, accepted a bribe and switched samples of contaminated cough syrup before the state government laboratory tested them. The cough syrup in question was produced by Maiden Pharmaceuticals, and it has been implicated in child deaths in Gambia. Tests conducted by two independent laboratories on behalf of the WHO confirmed the presence of lethal toxins—ethylene glycol and diethylene glycol in the syrup. Indian authorities, however, did not find any toxins, but did identify labeling issues with Maiden Pharmaceuticals' cough syrup. Naresh Kumar Goyal, the founder of Maiden Pharmaceuticals, has previously denied any wrongdoing in the production of the syrup. [15]

Uzbekistan

In December 2022, Uzbekistan's health ministry said that 18 children died from renal problems and acute respiratory disease after drinking cough syrup manufactured by Indian drug maker Marion Biotech. The statement did not specify over what time period the deaths occurred. As a result, Marion Biotech, was suspended from Pharmexcil, an Indian government-linked trade group. [14] [16] As a result, state security police in Uzbekistan arrested four people. [17]

Sources told Reuters that Marion purchased industrial-grade propylene glycol as an ingredient from Maya Chemtech India, which is not licensed to sell pharmaceutical-grade materials. Maya is not facing charges but the investigation is ongoing. Marion did not test the ingredient it purchased. [18]

The Indian government has mandated that after June 2023, cough syrup manufacturers must have their products tested before exporting them. These companies are required to obtain a certificate of analysis from a government-approved laboratory. A list of approved laboratories, both at the central and state government level, was provided where the samples can be tested. [19]

Cameroon

The Naturcold brand of cough syrup from India was associated with the tragic deaths of multiple children in Cameroon. WHO testing on June 27, 2023, revealed alarming levels of diethylene glycol in Naturcold, reaching as high as 28.6% – over 200 times the acceptable limit, which should not exceed 0.1%. This highly toxic solvent, normally used in air-conditioners and fridges, can lead to severe symptoms, including acute kidney injury and even death if ingested.

The packaging of the deadly medicine falsely claimed that it was produced by a British company called Fraken International (England), but no such company exists in the UK. The actual manufacturer was Riemann Private Ltd, an Indian company based in Indore, and it appeared to be exported to global markets, including Cameroon, by another Indian company, Wellona Pharma, based in Surat, Gujarat. The UK’s Medicines and Healthcare products Regulatory Agency keeps an eye on counterfeit claims of UK origin made by foreign pharmaceutical companies, as such claims are used to add credibility to otherwise adulterated, unlicensed, or substandard medicines.

Riemann Pvt Ltd is under investigation and faces potential disciplinary action from the Indian drug regulator, the Central Drugs Standard Control Organisation. Despite the ongoing investigation, the company continues its operations and drug manufacturing activities. [20] [21]

Worldwide

The World Health Organization (WHO) is addressing the global threat of toxic cough syrups that have caused the deaths of more than 300 children across multiple countries in 2022 and 2023. The WHO is working with six additional countries, bringing the total to 15 countries, to track these dangerous medicines. The WHO team lead said that tainted syrups are an ongoing risk. He cautioned that the presence of contaminated medicines could persist for several years, as warehouses may still contain barrels of adulterated propylene glycol. The manufacturers that exported the syrup to other countries in the current spate of incidents are four Indian manufacturers (Maiden Pharmaceuticals, Marion Biotech, QP Pharmachem, and Synercar), one Chinese manufacturer (Fraken Group) and one Pakistani manufacturer (Pharmix Laboratories). Safety alerts have been issued by government agencies in the affected countries, as well as by countries conducting tests on their behalf and the WHO, while investigations into the matter continue. The WHO has urged countries to enhance surveillance and offer support to countries lacking testing resources. [22] [23]

See also

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References

  1. 1 2 Bogdanich, Walt; Hooker, Jake (6 May 2007). "From China to Panama, a Trail of Poisoned Medicine". The New York Times . Retrieved 4 March 2015. The syrupy poison, diethylene glycol, is an indispensable part of the modern world, an industrial solvent and prime ingredient in some antifreeze.
  2. ↑ Mao, Frances (20 October 2022). "Indonesia bans all syrup medicines after death of 99 children". BBC News. Retrieved 20 October 2022.
  3. ↑ "Boss of Indonesia cough syrup maker jailed after child deaths". BBC News. 2 November 2023. Retrieved 2 November 2023.
  4. ↑ "Guaifenesin: WHO issues alert over another India-made cough syrup". BBC News. 26 April 2023. Retrieved 26 April 2023.
  5. 1 2 "Toxic cough syrup kills 16 in Gujranwala: officials". Dawn.com. 29 December 2012. Retrieved 28 September 2023.
  6. ↑ "Toxic cough syrup kills dozens in Pakistan". ABC News. 29 December 2012. Retrieved 28 September 2023.
  7. 1 2 Bogdanich, Walt; Hooker, Jake (6 May 2007). "From China to Panama, a Trail of Poisoned Medicine" . The New York Times . Archived from the original on 13 March 2023. Retrieved 4 March 2015.
  8. 1 2 "China Blames Panama For Tainted Drugs". CBS News. 31 May 2007.
  9. ↑ "质检总局：巴拿马药品中毒事件责任在巴商人_新闻中心_新浪网" [General Administration of Quality Supervision, Inspection and Quarantine: Responsibility for the drug poisoning incident in Panama lies with the businessman]. news.sina.com.cn. 31 May 2007.
  10. ↑ Kraul, Chris (20 June 2007). "Panama agency's prepared 'medicine' has deadly effects". Los Angeles Times.
  11. ↑ "Medical Product Alert N°6/2022: Substandard (contaminated) paediatric medicines". www.who.int. 5 October 2022. Retrieved 9 October 2022.
  12. 1 2 "Warning over cough syrups after 66 children die in the Gambia". The Guardian. Guardian staff and agencies. 6 October 2022. Retrieved 9 October 2022.{{cite web}}: CS1 maint: others (link)
  13. ↑ "Four India-made cough syrups under the scanner; CDSCO initiates probe after WHO red-flags". The Economic Times (video). Mirror Now. 6 October 2022. Retrieved 9 October 2022.
  14. 1 2 "Marion Biotech: Uzbekistan links child deaths to India cough syrup". BBC News. 29 December 2022. Retrieved 29 December 2022.
  15. ↑ Das, Krishna N. (14 June 2023). "Exclusive: India probes bribery claim in toxic syrup tests" . Reuters. Archived from the original on 14 June 2023. Retrieved 2 July 2023.
  16. ↑ "A scandal rocks India's pharmaceutical industry". The Economist. ISSN   0013-0613 . Retrieved 7 January 2023.
  17. ↑ "Uzbekistan Arrests Four Over Child Deaths Linked To Indian Cough Syrup". Radio Free Europe/Radio Liberty. Retrieved 7 January 2023.
  18. ↑ Sharma, Saurabh; Das, Krishna N. (28 June 2023). "Exclusive: Indian firm used toxic industrial-grade ingredient in syrup" . Reuters. Archived from the original on 30 June 2023.
  19. ↑ Mollan, Cherylann (23 May 2023). "India makes cough syrup testing mandatory for exports". BBC News. Retrieved 23 May 2023.
  20. ↑ Newey, Sarah (20 July 2023). "Bogus British company caught selling toxic cough syrup in Cameroon". The Telegraph. ISSN   0307-1235 . Retrieved 22 August 2023.
  21. ↑ Lateef, Samaan; Lovett, Samuel (27 July 2023). "Fake British cough syrup linked to Cameroon child deaths was made in India, officials say". The Telegraph. ISSN   0307-1235 . Retrieved 22 August 2023.
  22. ↑ Rigby, Jennifer (16 June 2023). "Exclusive: WHO says toxic syrup risk 'ongoing', more countries hit" . Reuters. Archived from the original on 30 June 2023. Retrieved 2 July 2023.
  23. ↑ Rigby, Jennifer; Deshmukh, Shubhendusatish (7 December 2023). "WHO says more contaminated medicinal syrups found in new regions". Reuters. Retrieved 24 May 2024.
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