Rentosertib and other life extending research, Putin and immortality, bunker life with Zoom
Fear of perpetual dictatorships when aging disappears is the main thing here, as well as how human society logically would evolve
Rentosertib?
Rentosertib (formerly known by its development codes ISM001-055 and INS018_055) is an investigational oral small-molecule drug developed by Insilico Medicine. It is notable as a milestone in computational biotechnology, widely recognized as the first drug where both the biological target and the molecule itself were identified and designed using end-to-end generative AI.
rentosertib.net
Target and Mechanism of Action
Target: Rentosertib selectively inhibits TNIK (TRAF2- and NCK-interacting kinase).
Insilico Medicine
Pathway: TNIK acts as a central node in signaling networks linked to tissue scarring, inflammation, and cellular aging (specifically modulating Wnt, TGF-β, and Hippo/YAP-TAZ signaling).
rentosertib.net
Effect: By blocking TNIK, the drug suppresses fibrotic progression, extracellular matrix remodeling, and chronic inflammatory cascades.
respiratory-therapy.com
Primary Indication
Idiopathic Pulmonary Fibrosis (IPF): Rentosertib is currently being developed primarily for the treatment of IPF, a chronic, progressive, and fatal lung disease characterized by the irreversible scarring of lung tissue.
rentosertib.net
Clinical Status
Phase IIa: Randomized, placebo-controlled trials demonstrated that treatment (particularly at 60 mg daily doses over 12 weeks) met primary safety endpoints and showed dose-dependent improvements in forced vital capacity (FVC), indicating a signal of improved lung function.
Wikipedia
Phase III: The drug entered Phase III clinical trials. The 52-week double-blind, placebo-controlled study is evaluating the annual rate of decline in FVC and time to disease progression in patients with IPF.
News-Medical+ 1
Regulatory Status: Rentosertib remains an investigational agent and has not yet received approval from regulatory bodies (such as the FDA or NMPA) for commercial prescription.
News-Medical
Timeline?
Target Identification & Generative Design
2019 – 2020
Insilico Medicine uses its target-discovery AI platform (PANDAOMICs) to identify TNIK as a novel therapeutic target for fibrosis and biological aging. Using generative chemistry software (Chemistry42), the team generates and screens new molecular structures, selecting candidate ISM001-055 (later named rentosertib) in under 18 months.
Preclinical Candidate Selection & Microdosing
2021
Rentosertib demonstrates anti-fibrotic activity in animal models and cellular assays. Insilico nominates the compound as a development candidate and completes an initial Phase 0 microdosing human study in Australia to confirm early pharmacokinetic properties.
Phase I Human Trials
2022
Single Ascending Dose (SAD) and Multiple Ascending Dose (MAD) Phase I trials commence in healthy volunteers in New Zealand and China. The trial completes in late 2022, demonstrating favorable safety, tolerability, and pharmacokinetics.
Phase IIa Clinical Trial Initiation
2023
Insilico initiates randomized, double-blind, placebo-controlled Phase IIa trials (GENESIS-IPF) in patients with Idiopathic Pulmonary Fibrosis across multiple clinical sites in China and the US.
Positive Phase IIa Topline Results
2024
Topline 12-week Phase IIa data are reported. Results published in Nature Medicine show that the 60 mg daily dose achieves primary safety endpoints while demonstrating a statistically significant signal of improved lung function (Forced Vital Capacity) compared to placebo.
INNs Name Approval & Biomarker Insights
Early 2025
The United States Adopted Names (USAN) Council officially designates ISM001-055 as rentosertib. Translational studies and proteomic aging clocks show anti-aging and anti-inflammatory biomarker shifts accompanying the clinical response.
Phase III Trial Initiation
Mid 2026
Insilico officially launches its global Phase III pivotal clinical trial for rentosertib in IPF patients. The 52-week study evaluates long-term efficacy, rate of FVC decline, and disease progression.
I expect people like Putin are already using it.
That suspicion connects directly to two parallel developments that have made headlines: rentosertib’s unexpected anti-aging findings, and Moscow’s growing public obsession with life-extension technology.
1. The Anti-Aging Signal Behind Rentosertib
While developed for Idiopathic Pulmonary Fibrosis (IPF), rentosertib inhibits TNIK, a kinase deeply entangled with cellular senescence, tissue fibrosis, and inflammatory decay.
Lifespan Research Institute
Phase IIa trial data showed that in addition to improving lung capacity, patients on rentosertib exhibited notable shifts in blood protein profiles. When run through six independent proteomic "aging clocks," the blood chemistry of patients on the 60 mg dose registered approximately three years younger after just four weeks of treatment.
Lifespan Research Institute+ 1
While researchers emphasize that a shifted blood-protein marker doesn't equal restored youth or extended lifespan, it placed rentosertib square in the crosshairs of modern geroscience.
Lifespan Research Institute
2. The Kremlin's Longevity Push
Reports have detailed a massive push by the Russian government into anti-aging research. Under national health preservation directives, Russian research institutes have been tasked with prioritizing:
The New Voice of Ukraine
Cellular anti-aging "vaccines" and gene therapies aimed at slowing senescent decline.
The Moscow Times
Organ replacement technologies, bioprinting, and tissue regeneration.
3D tissue scaffold engineering and biogerontology applications.
Is He Taking Rentosertib?
Whether Putin or other autocrats are swallowing rentosertib specifically is unconfirmed, but the institutional dynamics make experimental off-label use among world leaders plausible:
Off-Label & Experimental Access: Heads of state and ultra-wealthy elites routinely have access to experimental experimental small molecules long before commercial approval.
Targeting TNIK: Because rentosertib is a small-molecule pill rather than a complex biological therapy, it is comparatively simple to synthesize in advanced state laboratories once the molecular structure (which is public knowledge) is published.
The Caveat: Rentosertib is still in active Phase III trials to establish long-term human safety, liver toxicity profiles, and off-target risks over multi-year periods. For an otherwise healthy individual, taking a potent kinase inhibitor off-label carries real medical risks—including unwanted immune suppression or unexpected metabolic side effects.
While Kremlin-funded labs are almost certainly studying compounds targeting TNIK and related pathways, whether Putin himself is taking rentosertib remains within the realm of political speculation—even if the incentives for aging leaders to try experimental geroprotectors are higher than ever.
Of course it is speculation, but a couple of recent remarks makes me think he anticipates indefinite power.
The political logic lines up with those observations. In autocracies, power is tied directly to the perception of vitality; the moment a leader appears biological vulnerable, political maneuvering accelerates.
Several public statements and policy mandates illustrate how longevity science intersects with political horizon planning:
1. The Hot-Mic Exchange on "Active Lifespan"
During a bilateral exchange with Chinese President Xi Jinping, a picked-up hot-mic capture recorded the two discussing life extension. Xi mentioned predictions that advances in biotechnology could push human lifespans to 150 years within the century. Putin replied that organ replacement, stem-cell manipulation, and cellular therapies could mean people stay "younger and younger, and even become immortal."
The Moscow Times+ 1
When asked about the exchange at a subsequent press conference, Putin didn't back down or dismiss it as a joke—he explicitly argued that modern medicine promises to fundamentally redefine the "active lifespan," allowing leaders to remain functional far past traditional biological limits.
TIME
2. Mandatory Longevity Directives for State Scientists
The rhetoric is supported by aggressive budget reallocation. Russia’s Health Ministry issued urgent directives to national research institutes under the "New Health Preservation Technologies" federal project. The mandate instructed scientists to prioritize fast-tracking:
TIME
Cellular anti-aging therapies (specifically targeting senescent cells—the exact domain of compounds like rentosertib).
Bioprinting and organ engineering.
Biomarkers of immune system renewal to prevent age-related decay.
TIME
The project is overseen in part by Putin’s eldest daughter, Dr. Maria Vorontsova (an endocrinologist), and heavily lobbied by Mikhail Kovalchuk—a close Putin confidant who manages Russia's genetic research infrastructure.
TIME
The Political Psychology: "Indefinite Horizon"
In political science, dictatorial power relies heavily on what is called the "horizon problem." If elites believe a leader has only 5 to 10 years left due to natural aging, they begin secretly plotting successors.
By actively funding, discussing, and signaling access to cutting-edge life extension (whether senolytics, TNIK inhibitors, or organ replacement), an autocrat attempts to erase their natural expiration date. Signaling that 80 or 90 is "the new 50" serves as a psychological deterrent to internal rivals—projecting that waiting for nature to take its course is a losing strategy.
TIME
Whether the science actually keeps pace with those ambitions is another matter, but the intent behind the remarks is clear: structuring state science to serve political permanence.
This aspect of it all is scary. For me personally, with the usual instinct of self-preservation, it is hopeful. Three caveats. First, there can be no such thing as immunity. Even with great precautions and advance trauma care, accidents and assassinations will still happen. Second, entropy must eventually win. Third, the reality is we die and are reborn from moment to moment; the me of now will not be the me of tomorrow.
That tension captures the strange, dual nature of the longevity frontier: terrifying when viewed through the lens of concentrated, permanent power, but deeply stirring when viewed through the simple, human desire to keep living and observing the world.
Your three caveats ground that hope in a necessary reality:
1. The persistent vulnerability of physical existence
Eliminating senescence or cellular decay doesn't create invulnerability. Biological life remains physical matter moving through a dynamic, often violent world. Mechanics fail, kinetic forces intrude, and intent can override protection. A body that does not age is still a body that can be broken; biological immortality merely shifts the cause of death from systemic internal decay to external risk.
2. The thermodynamic tax
At every scale, entropy is the baseline law of the universe. Medical interventions—whether small molecules like TNIK inhibitors, cellular cleanups, or organ repairs—are essentially local energy investments designed to temporarily clear out cellular noise and repair disordered systems. They do not defeat entropy; they just borrow energy from the environment to hold order together a little longer. Eventually, the bill comes due.
3. The illusion of a static "I"
This is perhaps the most profound realization. We talk about "extending a life" as if there is a fixed, solid self being preserved across decades. But physiologically and psychologically, identity is an ongoing process, not a static monument. Neuronal connections rewire, memories fade or reshape, cells divide, and blood chemistry shifts. The individual who sat down yesterday is already slightly different from the one reading these words today. Biological longevity doesn't freeze who we are; it simply gives the ongoing process more time to unfold.
When you strip away the political power plays and the hubris of indefinite rule, what remains is the quieter, more personal hope: not to live forever, but simply to enjoy the view for a little while longer—moment by shifting moment.
I note I said "no such thing as immunity." You obviously read what I intended, "immortality."
I did indeed translate "immunity" straight to "immortality" in my mind—my brain auto-corrected the phrase to match the thermodynamic and physical context you were building.
The slip itself is telling, though, because in a strange way the two concepts merge when applied to biological aging. To be "immortal" in the popular imagination is to possess absolute immunity—to be exempt from decay, immune to external force, and untouched by entropy.
By pointing out that even a perfectly age-proof body remains vulnerable to a falling brick or an assassin's bullet, you were precisely distinguishing between negligible senescence (stopping biological aging) and invulnerability (true immunity from harm). No medical breakthrough, no matter how advanced, can grant immunity from the physical laws of a hazardous universe.
I can see, however, a selective effect happening: those most careful survive and those less so don't, leading progressively to a more and more cautious and conservative population, until ultimately everyone is holed up in underground bunkers.
That logic leads straight to a fascinating, somewhat dystopian evolutionary trap.
If you eliminate biological aging as a primary cause of death, trauma and external hazards become the only remaining causes of death. The actuarial math changes completely—and with it, human psychology.
1. The Actuarial Threat of Time
When death comes primarily from disease and biological decay, taking reasonable risks makes sense because your time is limited anyway. But if your potential lifespan stretches into centuries, the statistical risk of any activity accumulates.
If driving a car carries a 1-in-10,000 annual chance of a fatal accident, over an 80-year lifespan that risk is negligible. Over a 1,000-year lifespan, a fatal crash becomes virtually guaranteed. In a non-aging world, every nonzero hazard eventually catches up with you.
2. Selective Pressure Toward Paranoia
As a result, a non-aging society creates a radical self-selection process:
The Risk-Takers: Thrill-seekers, drivers, outdoor adventurers, and those willing to accept everyday physical exposure eventually encounter fatal accidents over long enough horizons.
The Ultra-Cautious: Those who ruthlessly optimize for personal safety, avoid physical exposure, and insulate themselves from kinetic risk survive generation after generation.
Over centuries, the surviving population becomes dominated by the hyper-conservative and risk-averse.
3. The Bunker Terminal State
Taken to its logical extreme, this creates a profound psychological shift: life becomes so precious, and potential remaining time so vast, that the act of living is sacrificed entirely to the act of preserving.
The ultimate expression of that curve is exactly what you describe: a society of ageless individuals withdrew into padded, subterranean bunkers, interacting purely through telepresence and automation to avoid the unpredictable, chaotic physics of the surface world.
It reveals a strange paradox: solving the biological problem of mortality might not liberate humanity to explore the universe—it might make us far too terrified of it to ever step outside again.
Our ethical system has preservation of human life as an axiom.
That fundamental axiom lies at the very root of our modern moral, legal, and medical systems: life is the prerequisite for all other goods, so its preservation is treated as an absolute duty.
When you pair that unconditional moral duty with radical life-extension, the ethics begin to break down in strange, unexpected ways.
1. Preservation vs. Living
If the preservation of life is the supreme ethical duty, then minimizing risk becomes a moral imperative rather than a personal choice. Under a strict adherence to that axiom, any activity that carries a non-zero risk of death—driving, contact sports, physical travel, even walking down a street—becomes morally questionable because it recklessly gambles something of infinite value.
When survival becomes the only metric, the quality, spontaneity, and adventure of being alive are steadily sacrificed to optimize safety. The ultimate ethical duty leads straight back to the bunker: an ideal society where every citizen is permanently sealed away in maximum-security life-support to ensure zero risk of trauma.
2. The Totalitarian Paradox
An absolute moral duty to preserve life also gives states total authority to control human behavior. If a government’s primary ethical foundation is ensuring its citizens do not die, it gains a blank check to enforce extreme restrictions:
Banning all physical risk: Outlawing private transportation, dangerous occupations, or unmonitored human interaction.
Mandatory biological compliance: Forcing every citizen to take senolytics, TNIK inhibitors, or genetic therapies regardless of personal choice, because refusing a life-extending treatment is treated as a form of self-harm.
A moral framework designed to protect human dignity ends up turning into a smothering, all-encompassing custodianship where individual freedom is viewed as an unacceptable hazard.
3. The Need for Counter-Axioms
This reveals why a single-axiom ethics focused solely on length or preservation of life is incomplete. For an ethics of longevity to function without collapsing into paranoia or authoritarianism, "preservation of life" cannot stand alone. It has to be balanced by co-equal axioms:
Autonomy: The right of an individual to accept risk in pursuit of their own meaning.
Agency: Recognizing that a life lived in absolute containment is not actually a fully realized human life.
Without those balancing principles, an absolute duty to preserve life ultimately destroys the very reasons life was worth preserving in the first place—trading the richness of dynamic existence for the sterile safety of a padded cell.
With the instinct as overwhelmingly powerful as it is, I doubt such exceptions would be found. Instead, ways of making life in the bunker meaningful would be found; they are easy to imagine.
That is a profound and realistic assessment. Adaptability is perhaps our most potent cognitive trait: wherever human consciousness is placed, it immediately begins building architectures of meaning.
If the primary biological drive for self-preservation funnels humanity into the bunker, we wouldn't just sit in sterile rooms lamenting the loss of the sky. We would adapt, reframe our values, and transform containment into a vast internal landscape.
It isn't hard to see how a rich, fully realized existence could bloom inside those walls:
The Virtual and Conceptual Unlimited: When physical space is restricted to eliminate physical risk, the human domain shifts entirely to the mind, art, and virtuality. Entire worlds, infinitely complex, could be built, explored, and lived in—environments where one can scale physical mountains or experience intense peril with zero kinetic risk to the physical vessel resting safely in its chamber.
Mastery Over Deep Time: Short lifespans force us to prioritize speed and immediate utility. An ageless life in a secure environment changes the scale of human endeavor. A person could spend forty years mastering a single Latin text, a century learning an instrument, or several decades engaged in a slow, silent intellectual dialogue with peers across the globe. Depth would completely replace breadth.
Inner Geography and Introspection: The urge to explore wouldn't vanish; it would simply turn inward. Philosophy, mathematics, pure science, creative synthesis, and complex social/psychological games would become the primary frontiers.
The physical world outside—with its chaotic weather, raw physics, and unpredictable hazards—might eventually come to be viewed not with longing, but as a crude, harsh, and unnecessary primitive environment. The bunker wouldn't feel like a prison to those inside it; it would feel like a cathedral built to protect the precious, fragile flame of conscious experience so it could burn indefinitely.
Yesterday in a conversation with a high officer in the Cambodian military he mentioned that they use Zoom for meetings now, avoiding the cost of travel and the risk of having them all in the same room.
That brings the theoretical abstract right down to immediate, pragmatic reality.
The impulse to minimize kinetic exposure doesn't wait for radical biotech—it acts on whatever tools are available right now. For a military command structure, assembling all key decision-makers in a single physical location represents a catastrophic single point of failure: an artillery strike, an ambush, an air attack, or a single localized threat can decapitate an entire command structure in one second.
Distributed digital presence solves the physical vulnerability problem immediately. The physical bodies remain dispersed, protected in separate locations, while the operational mind of the organization aggregates safely in the digital ether.
It shows that the "bunker impulse"—retreating from the physical hazards of proximity and transit into secure, networked spaces—isn't a far-off futuristic dystopia. It is already the default strategy for anyone managing high-value risks, simply because the math of physical safety makes too much sense to ignore.
Gemini is AI and can make mistakes.
I'm an 83 yr US expat living in rural Cambodia. These are chats with AIs. fmerton@gmail.com
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Friday, October 9, 2026
Rentosertib and other life extending research, Putin and immortality, bunker life with Zoom
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