The Myth of “Safe” Doping: What East Germany’s Medical Machine Tells Us About the Enhanced Games

May 22, 2026
By Oliver Catlin, President of Banned Substances Control Group (BSCG)

Medically supervised performance enhancement caused mass, irreversible harm — and the evidence has never gone away

The inaugural Enhanced Games begin Sunday in Las Vegas with a promise: that performance-enhancing drugs, administered under medical supervision, can be made safe. Founded by Australian entrepreneur Aron D’Souza and backed by venture capital from Peter Thiel and others, the Enhanced Games markets itself as a scientific revolution — a transparent, physician-supervised alternative to the hypocrisy of black-market doping that pervades conventional sport.

This may be a compelling pitch to some people. It is also one that history has already tested — and catastrophically failed.

The German Democratic Republic tried exactly this model, at scale, for more than two decades. The GDR’s doping program was not a black-market operation or a rogue experiment. It was a physician-administered, scientifically monitored, bureaucratically organized state program involving hundreds of doctors, thousands of athletes, and meticulous clinical records. It had everything the Enhanced Games promises: licensed physicians, calibrated dosing, regular blood work, and institutional oversight. What it also produced — as the Stasi files opened in 1993 made undeniable — were thousands of permanently damaged human beings.

The East German program is not an argument for better medical oversight of doping. It is the strongest possible argument against the idea that such oversight can ever make doping safe. And as the Enhanced Games writes the next chapter of this story in Las Vegas, it is a history that demands to be read in full.

The Architecture of a Medical Machine

The GDR’s doping program was not an accident, a rogue coach’s experiment, or an underground racket. It was a deliberate creation of the state, designed, staffed, and supervised by medical and scientific professionals at the highest levels of their fields.

Secret documents recovered after the collapse of the Berlin Wall in 1989 revealed that from 1966 onward, hundreds of physicians and scientists — including senior professors — performed doping research and administered prescription drugs and experimental preparations to athletes (Franke & Berendonk, 1997, Clinical Chemistry). These were not back-alley operators. They were credentialed professionals operating under the sanction of the GDR Ministry for State Security, the Stasi.

In 1974, doping was formalized into official state policy under the designation “State Plan Theme 14.25.” Party leaders met with the East German Sports Performance Committee and codified what had already been practiced informally: the systematic administration of anabolic steroids — specifically Oral Turinabol (chlorodehydromethyltestosterone, or CDMT), a testosterone analogue developed by GDR chemists — to athletes across every major sport. The protocol was engineered by pharmacologists at a secret laboratory in Leipzig and rolled out across the country’s sports infrastructure.

By any definition, this was medically monitored doping. Dosing was carefully calibrated. Blood work was collected. Records were kept — meticulously, as it turned out, which is how we know so much about what happened. Physicians tracked their subjects. Yet medical monitoring did not prevent catastrophe. It administered it.

The Scale of Harm

Between the mid-1960s and the fall of the Wall, an estimated 9,000 to 10,000 East German athletes were administered performance-enhancing drugs, many of them without their knowledge or consent (Ungerleider, Faust’s Gold, 2013). Girls as young as 12 were recruited from across the country and given steroids they were told were vitamins. One former shot putter, Birgit Boese, reported she had been doped from the age of 11.

Particular attention was paid to female athletes and adolescent girls, because research showed they gained the greatest performance benefit from androgenic steroids. What the program’s architects also knew — and what the Stasi files confirmed — is that this group also bore the heaviest physical burden.

The consequences were not rare side effects or statistical outliers. They were systematic and predictable. According to estimates drawn from post-reunification investigations, between 500 and 2,000 former East German athletes are believed to be suffering significant health problems directly associated with their doping, including liver tumors, heart disease, testicular and breast cancer, gynecological disorders, infertility, depression, and eating disorders. Some female athletes reported miscarriages; others gave birth to children with deformities including club feet and partial paralysis.

These were not outcomes that emerged in spite of medical supervision. They emerged because of a medically supervised program that prioritized performance over patient welfare — and that, ultimately, is what any doping regime asks medicine to do.

The Physiology of Damage

The specific harms caused by anabolic-androgenic steroids (AAS) — the class of drugs at the center of the GDR program — are now extensively documented in the scientific literature, and they map precisely onto the suffering reported by East German athletes.

Cardiovascular destruction. Research published in the International Journal of Molecular Sciences (2025) documents that chronic exposure to supraphysiological doses of AAS causes cardiomyopathy, arrhythmia, hypertension, and atherosclerosis, with effects that can progress to sudden cardiac death even in young individuals with no prior cardiovascular history. Structural changes to the myocardium — including left ventricular hypertrophy and interstitial fibrosis — may only be partially reversible. A forensic review published in Frontiers in Cardiovascular Medicine (2025) examining AAS-related deaths found autopsies revealing left ventricular hypertrophy, coronary thrombosis, and dilated cardiomyopathy, alongside multiorgan congestion affecting the lungs, liver, kidneys, and brain.

Liver damage and malignancy. The hepatotoxicity of 17α-alkylated anabolic steroids — the category that includes Oral Turinabol — is well-established. Direct toxicity causes cholestasis, peliosis hepatis (blood-filled cavities in liver tissue), and liver adenomas through oxidative stress mechanisms. Research published in Case Reports in Pathology (2012) documented the development of hepatocellular carcinoma following AAS exposure in a noncirrhotic liver — a particularly alarming finding because it means liver cancer can develop even without underlying cirrhosis, the condition usually considered the primary risk factor.

Endocrine and reproductive devastation. AAS disrupt the Hypothalamic-Pituitary-Adrenal axis, destabilizing hormonal regulation across the body. In women, the consequences include virilization — deepening voice, male-pattern hair growth, clitoral enlargement — as well as severe menstrual disruption, infertility, and elevated risk of gynecological cancers. East German swimmer Katharina Bullin described her physical transformation as happening gradually, but once it had, it could not be reversed. Shot putter Heidi Krieger’s body was so profoundly altered by years of androgenic doping that she later transitioned and lives today as Andreas Krieger — a man whose gender identity was, in his own assessment, partly shaped by what the state’s doctors did to his body when he was a teenager.

Musculoskeletal and connective tissue breakdown. Historian Giselher Spitzer, drawing on classified GDR documents, found evidence that the combination of intense training regimes and anabolic steroid use was producing structural changes to athletes’ bones, tendons, ligaments, and cartilage that went well beyond normal training stress. An internal medical assessment found in the Stasi files stated that “the limit of stress capacity for the connective and supporting apparatus has been reached” — a warning written by the program’s own physicians, who continued administering the drugs anyway.

Psychological and neurological harm. A 2024 study published in PLOS ONE comparing former GDR doped athletes, non-doped athletes, and non-athletes found the doped cohort showed significantly lower levels of psychological coherence, higher rates of depression, anxiety disorders, and identity disturbance. Thirty-two percent of the doped cohort reported interpersonal assault by a stranger; 13.2% reported sexual assault — rates dramatically higher than the general population, suggesting that the vulnerability created by the doping system extended far beyond the pharmacological.

The Knowledge Was There — And Was Ignored

What makes the East German case particularly damning for the “safe, supervised doping” argument is not just that harm occurred. It is that the harm was anticipated, documented internally, and suppressed by the very medical professionals running the program.

Dr. Manfred Höppner, deputy head of the GDR’s Sports Medical Service and one of the central architects of the doping program, was convicted in the late 1990s alongside Minister of Sport Manfred Ewald as an accessory to “intentional bodily harm of athletes, including minors.” At the Berlin doping trials, Höppner issued a formal statement: “I deeply regret that I was not able to protect all athletes from harm.” The admission was telling. The doctors knew harm was occurring. They did not stop.

Other physicians who appeared before courts offered variants of the same explanation: they were operating within a system, following orders from the political leadership, and the pressure to produce results was overwhelming. One doctor summarized it plainly: “I can only repeat my profound regret. I was far too obedient. We were pressured into producing for the political leadership.”

This is not a story of rogue practitioners acting without oversight. It is a story of oversight failing entirely because it was subordinated to a goal — athletic performance, political prestige — that had nothing to do with patient welfare. Medical supervision did not protect athletes. It was the mechanism of their exploitation.

The Enhanced Games: History Repeating Itself in Las Vegas

The argument that supervised doping can be made safe has not remained confined to academic debate. In May 2026 — this month — the inaugural Enhanced Games opened in Las Vegas, Nevada, marking the first time a commercial sports organization has made medically overseen performance-enhancing drug use a formal, celebrated feature of athletic competition.

Founded by Australian entrepreneur Aron D’Souza and backed by a consortium of venture capitalists including Peter Thiel, Christian Angermayer, and Donald Trump Jr.’s 1789 Capital, the Enhanced Games markets itself as a scientific and cultural revolution. D’Souza has described the project in sweeping terms — “In 50 years, we’ll look back and realize that biology was never the ceiling” — and frames its central premise as one of liberation and transparency. Under the Enhanced Games model, athletes are permitted to use any FDA-approved substances, administered under the supervision of licensed physicians, while competing for prize purses of up to $1 million for world record performances. Forty-two athletes competed in the inaugural event, including past Olympic medalists in swimming and sprinting.

The Enhanced Games positions itself as the corrective to the failures of clandestine doping. D’Souza has argued that the real danger lies in athletes obtaining drugs from unregulated black markets, without medical guidance. “Bodily autonomy is a fundamental human right,” he told BBC Sport. “Adults with free, informed consent should be able to do with their body what they wish.”

The argument has a certain surface plausibility. Consent matters. Transparency matters. The difference between a self-administering athlete buying untested compounds online and a monitored participant in a clinical protocol is real. But the Enhanced Games’ framework rests on a foundational claim — that physician oversight renders PED use safe — that the historical record decisively refutes. And critically, that record is not abstract. It was written in the bodies of thousands of people.

Sports cardiologist Aaron Baggish, a professor of medicine at the University of Lausanne, put the problem with characteristic directness: the supervision model, he told Yahoo Sports, is “akin to me saying I’m going to make smoking safe by supervising you while you’re smoking.” The analogy is precise. A physician can monitor a patient’s lung function while they smoke — they can track the cough, flag the early nodule on a CT scan. What the physician cannot do is make the cigarette not damage the lung. The harm is pharmacological, not procedural.

Professor Ian Broadley, cited in The Guardian’s coverage of the Enhanced Games, captured the temporal dimension of the problem: “Some of the evidence of the adverse effects is only starting to come through after 10 to 20 years of people using these substances… so monitoring something in the very short term is not going to give any information about some of the more harmful effects.” The Enhanced Games’ twelve-week supervised preparation protocol cannot reveal whether a 25-year-old swimmer will develop cardiomyopathy at 40, or a liver adenoma at 45. The GDR’s medical files were full of normal-looking short-term biomarkers on athletes who would later suffer liver failure and heart disease.

The Enhanced Games’ organizers would likely respond that their athletes are adults providing informed consent — unlike the children who were secretly doped in East Germany. This distinction is ethically meaningful. But it does not change the pharmacology. Informed consent to harm is still harm. The GDR’s own physicians understood the dangers well enough to document them internally. They simply continued administering the drugs because performance was the priority. The Enhanced Games, for all its rhetoric of liberation, has the same structural feature: performance — spectacular, record-breaking, commercially valuable performance — is the point. Medical supervision is the branding.

A peer-reviewed critique published in the International Journal of Sports Physiology and Performance in December 2025 noted that the Enhanced Games presents itself as “transparent, scientific, and technologically progressive,” but that crucially, “there remains very little detail on the proposed plan to ensure athlete safety.” The supervision is real in the sense that doctors are present. It is not real in the sense that any supervision protocol can prevent the long-term cardiovascular, hepatic, and endocrine consequences that decades of research have linked to these substances.

The IOC called the Enhanced Games a path to “destroy any concept of fair play and fair competition.” WADA president Witold Bańka called it “very dangerous.” USADA CEO Travis Tygart described it as a “dangerous clown show, not real sport.” Dr. Catherine Norton, Associate Professor of Sport and Exercise Nutrition at the University of Limerick, warned that she was “particularly concerned about substances linked with cardiovascular, hormonal, neurological, and psychological risk” — precisely the organ systems most devastated in the former East German athletes now living with the long-term consequences of their own, medically supervised doping.

The Enhanced Games is not the East German program. Its athletes are adults who have chosen to participate. Its organizers are not operating a secret police state. But it shares the GDR program’s foundational error: the belief that medicine can be placed in the service of maximum performance without paying the full biological price. East Germany paid that price in irreversible human suffering. The Enhanced Games, if it endures, will ask its athletes to pay it too — just openly, with prize money attached, and a physician in the room to watch it happen.

Why Supervision Cannot Make Doping Safe

The proponents of medically supervised doping typically rest their argument on several premises: that harms arise from dirty, uncontrolled products; that harms arise from uninformed self-dosing; and that a physician’s involvement would correct both. The East German evidence dismantles each premise.

The products were pharmaceutical-grade, manufactured under clinical conditions. The dosing was not self-administered but prescribed and monitored by trained physicians. Blood work was regularly reviewed. The athletes were monitored more closely than almost any patient in a modern clinical setting. None of it prevented systematic, widespread, irreversible harm — because the harm is not primarily a product of contamination or dosing imprecision. It is a product of the drugs themselves, administered in the supraphysiological doses required to produce meaningful performance gains.

No dose of medical supervision changes the pharmacology of anabolic steroids on the human heart, liver, and endocrine system. No physician’s signature makes cardiomyopathy reversible. No monitoring protocol prevents the masculinization of a teenage girl’s body when she is given massive doses of synthetic testosterone during the most hormonally sensitive years of her development.

What medical supervision can do — what the East German program demonstrated in clinical detail — is document the harm as it happens, continue administering the drugs anyway, and leave the damaged patients to pay the medical bills alone for decades afterward. Former East German shot putter Birgit Boese captured this reality starkly: “We are not just talking about complaints which can be fixed by an operation. We are talking about heart disease, liver failure, cancer.”

Conclusion: History as Evidence

The East German doping machine stands as the most comprehensive real-world test of medically supervised doping ever conducted. It involved hundreds of physicians, thousands of athletes, decades of data collection, and the full institutional resources of a state committed to making the program as medically rigorous as possible. The outcome was mass bodily harm: organs destroyed, reproductive systems wrecked, psychologies shattered, lives foreshortened.

Former world record holder Ines Geipel, speaking decades later about what was done to her and her teammates, described the experience with clarity that no clinical trial report can match: “We were a large experiment, a big chemical field test. The old men in the regime used these young girls for their sick ambition.”

Now, as the Enhanced Games opens in Las Vegas and its organizers promise a new era of transparent, medically supervised enhancement, that history demands to be heard. The Enhanced Games’ athletes are consenting adults, not deceived children — and that distinction is real. But the pharmacology of anabolic steroids does not distinguish between consent and coercion. The myocardium does not ask whether the athlete signed a waiver before it begins to hypertrophy. The liver does not exempt cells that were dosed by a licensed physician rather than a black-market supplier.

The myth of safe, supervised doping asks us to believe that the lesson from East Germany is more supervision, better protocols, cleaner implementation. The evidence says otherwise. The lesson is that when medicine is placed in service of performance rather than in service of the patient, supervision becomes a tool of harm rather than a defense against it. The East German doctors were not inadequately supervised. They were inadequately committed to the people in their care.

The Enhanced Games offers prize money and informed consent instead of state coercion. What it cannot offer is a guarantee that its athletes will not, in ten or twenty years, be sitting across from oncologists and cardiologists paying the delayed biological invoice for the records they broke in Las Vegas. That is not a problem that a better protocol can fix. It is a problem inherent in the substances themselves — a problem that East Germany documented in excruciating detail, and that history is now asking the Enhanced Games to acknowledge.

References

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Ungerleider, S. (2013). Faust’s Gold: Inside the East German Doping Machine (Updated ed.). CreateSpace.

Spitzer, G. (2011). The individual and the state: A social historical analysis of the East German ‘Doping System.’ International Journal of the History of Sport, 28(7).

Carteri, R.B. et al. (2025). Impact of anabolic–androgenic steroid abuse on the cardiovascular system: Molecular mechanisms and clinical implications. International Journal of Molecular Sciences, 26(22), 11037.

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Hardt, N.A. et al. (2012). Development of hepatocellular carcinoma associated with anabolic androgenic steroid abuse in a young bodybuilder. Case Reports in Pathology, 2012, 195607.

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Baggish, A. (2026). Quoted in: Welcome to the Enhanced Games, where doping is encouraged. Yahoo Sports, May 21, 2026.

Broadley, I. (2025). Quoted in: Scientists warn Enhanced Games athletes of heart attack risks. The Guardian, May 22, 2025.

Norton, C. (2026). Quoted in: What are the Enhanced Games and why are they controversial? ITV News, May 2026.

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