Philippe Pouletty: Turning Europe’s Life Science Startups Into World Leaders

Jonathan D. Grinstein, PhD, North American Editor of Inside Precision Medicine, hosts a new series called Behind the Breakthroughs that features the people shaping the future of medicine. With each episode, Jonathan gives listeners access to his guests’ motivational tales and visions for this emerging, game-changing field.

Philippe Pouletty, MD, is one of Europe’s most accomplished life sciences entrepreneurs, with a track record of creating category-leading companies in both biotechnology and medical technology. Over more than three decades, he has repeatedly identified breakthrough scientific innovations, assembled world-class teams, and scaled businesses from inception to global prominence.

His most celebrated success is Abivax, the biotechnology company he founded and led as chairman for a decade. Under his leadership, Abivax evolved into a global biotechnology powerhouse, achieving an approximately $10 billion market capitalization after positive Phase III results in 2025. In 2025, the company delivered the strongest stock market performance of any European company across all sectors.

Philippe Pouletty, MD, Co-founder and CEO of Truffle Capital and Co-founder of Abivax and Carvolix. [Truffle Capital]

Today, Philippe Pouletty is applying the same entrepreneurial playbook to Carvolix, a next-generation cardiovascular MedTech company focused on heart valve disease and stroke. Carvolix is built on the strategic combination of breakthrough implant technologies, AI-powered software, and autonomous mini-robotics. The vision follows the successful Abivax model: bring together differentiated technologies, speed up industrialization, build clinical leadership, and create a company that can transform patient outcomes while attracting significant strategic and public-market value.

A physician, scientist, inventor, and venture capitalist, Philippe has founded or co-founded numerous successful life sciences companies and holds dozens of patents, including one of Stanford University’s highest-revenue-generating life sciences inventions. With Abivax and now Carvolix, he has demonstrated a rare ability to build transformative healthcare companies that combine scientific innovation, commercial scale, and lasting impact for patients worldwide.

This interview has been edited for length and clarity.

 

IPM: Having spent time in both Silicon Valley and Europe, what cultural or structural differences have you discovered that have given Europe an advantage in deep tech and life sciences or that may be holding it back when compared to companies in the United States?

Pouletty: In California, financial resources are virtually limitless as long as you have a company with a great mission that addresses large medical needs and markets. Unfortunately, Europe is behind. France is an excellent place to begin, with companies to hire, good engineers, management, and so on. However, raising more than €50 or €60 million is often difficult when compared to the United States. So, things have improved over the last two decades, and there are some good grants and tax breaks available to help businesses raise capital.

However, the stock market in France and Europe is not as competitive as the Nasdaq. So, while I love the United States, many French and European companies must list on Nasdaq in order to grow, remain independent, and eventually reach the commercial stage. Then it becomes an American company, often a large pharmaceutical company or one with significant innovation. Wonderful small company. Let us buy it. So that’s great for the United States and big pharmaceutical companies. However, Europe’s prospects for the next 20 years do not look promising. The challenge for Europe is that competition will primarily come from the United States, China, and, most likely, India.

Europe faces a difficult task in catching up. But, because I’m still a crazy entrepreneur who is interested in European policies, it’s time for France and Europe to do the right thing and establish independent companies. I believe what is of interest is to do things that have an impact on patients. And if you have a positive impact on patients, you will increase shareholder value; however, you should not always focus on doing an IPO or selling the company as soon as possible. What matters is developing completely novel, radical innovation that will change or prolong the lives of patients while also benefiting the environment.

 

IPM: As one of Europe’s standout biotech success stories, what set Abivax apart from the many biotech companies that never scale beyond promising science in Europe before venturing out west?

Pouletty: What we like to do at Abivax and Carvolix is build businesses by merging two or three of our biotech companies when much of the R&D is completed in order to reach critical mass and have several product candidates available. So if one fails, the company is not doomed. To be able to attract extremely experienced management. There are too many very small businesses in Europe. For example, the president, Emmanuel Macron, likes to refer to France as the “startup nation.” The goal should not be to become the startup nation. The goal should be to develop world leaders similar to those in the United States, regardless of sector.

Abivax emerged in 2013. Three of our biotech companies were able to complete a Euronext IPO, which remains the largest biotech IPO on Euronext. We had raised €58 million at the time. Surprisingly, the most advanced product candidate, a drug candidate, failed following the IPO in phase two. So it was unpleasant but not disastrous because the second product candidate, which was only in phase one at the time, is now assembled, has a $7 to $10 billion valuation, and has had excellent results in phase three in treating ulcerative colitis patients.

So, it appears to be a straightforward business plan. It’s not correct. You must stay focused on your mission. Disappointment can occur during pre-clinical R&D and clinical development. Of course, this happens to the majority of biotech companies. And this is why, for example, when sailing across the Atlantic or Pacific, you must keep in mind that reaching the other side requires a strong team; sometimes we change the team and the CEO.

But we are very proud to say that the above acts would not exist without Truffle Capital, and I was chairman of the board for ten years and was very pleased. it looks like the drug should be approved. In the last few days the stock dropped because the long-term maintenance clinical results showed great efficacy and there were very few cancers, which is typical in this kind of patient population with a dysfunctional immune system.

So to me, it’s a little hiccup, but I’m very confident it will change and improve the lives of the patients with ulcerative colitis. Now, maybe the little drop in valuation will boost the M&A appetite of some big pharma companies. And I can send that because, well, not any more shareholders are involved in the epilogue. It’s my personal opinion, of course, about the future. I could be wrong.

 

IPM: How do emerging European companies like Carvolix or Abivax compete with American or Chinese companies? Do you try to establish a market in Europe first, then expand internationally, or do you try to do everything at once? What’s your strategy there?

Pouletty: When Carvolix first launched in the United States, the largest market was heart valve software. So, while launching in the United States with a very concentrated focus team, step by step with specialized centers and then with the market, research based on this successful launch will expand. We may later hire a partner for the United States, or agents or a single partner.

We want our products to be agnostic, regardless of whether the valve is Abivax, Medtronic, or Abbott, so that hospital clinicians can choose which valve system to use for their patients with our software and robot. We will continue to conduct direct sales in Europe, as we have in the past. If you have a highly innovative product, you will need a small, highly technical sales force that can visit clinics, hospitals, and clinicians to be successful in Asia.

 

IPM: How do you get clinicians and hospitals to buy into something like this, which isn’t really an upgrade of their system, but rather the introduction of a whole new line?

Pouletty: At first, we assumed that top-tier cardiologists who treat hundreds or thousands of patients would not require our services. And it will primarily benefit younger, less-trained cardiologists. However, we conducted studies in France with data from the world’s leading cardiologist for aortic valve replacement, as well as in Australia with highly trained cardiologists. They said, “That’s great because I’m less stressed during the implantation.” I may not need a second cardiologist in the room, as is frequently required, and I may see more patients during the day.

It’s somewhat similar to cars. You could argue that autonomous cars will not meet the needs of taxi drivers. But yes, taxi drivers will say, “Great.” I can drive more miles, transport more passengers, and feel more relaxed at the end of the day. I have no doubt that it will become the norm in medium and small hospitals over the next few years. Place special patients in the care of an expert cardiologist. Now for given special patients in the hands of an expert cardiologist, we don’t pretend it will do better. But many more patients who have not the chance, whether it’s hardware replacement or brain stroke treatment to healthcare… will if we are successful.

It is critical to ensure that introducing AI and robotics does not prolong the procedure. It takes roughly the same amount of time or appears to be shorter. However, it is always under clinical supervision. We can take over and stop the procedure, just like on a plane, and carry it out manually. However, after some initial training with a few patients, the clinician will most likely allow the procedure to be completed autonomously while closely monitoring the screen to ensure that everything is running smoothly.

 

IPM: How do European healthcare systems differ in their ability to adopt new biotech and medtech innovations?

Pouletty: No system is perfect. I do a very simple comparison in France and Europe. even patients who do not work will be treated in the hospital at no cost. In the U.S., you’d better have a plan. You’re working in the company to be covered. There is no perfect system. Certainly, pricing of drugs and medical devices in the U.S. is higher, which means that there is an incentive for investors and companies to do high-cost R&D to recoup their investment through high pricing. In France and Europe, there is a tendency to have to push for low pricing and low reimbursement, which is why for oncology drugs more are available and reimbursed in the U.S. today than for non-college products.

But there is not enough emphasis on the long-term impact of innovation. And pioneers often looked at the shorter impact and said, oh, that’s two weeks, let’s say. I’ll give you one example. In oncology, pancreatic cancer is tough because the diagnosis is very often very late when you have big tumors.

It’s very clear that if it were up to me, we would do imaging every two years. We would catch very small, tiny tumors very early on because an anatomical change in our cells within two years could indicate that you need to go and see if you should remove this little tiny one. But that’s not common in practice because it would be expensive to do an MRI every two years on everyone after 50 years old.

So beyond drugs and medical devices and the practice of medicine, how do you do? Preventative medicine needs to be greatly improved, and governments are not very good at looking at these approaches to improve healthcare. So, I went into politics. I would turn on that. I decided 25 years ago I would not run for any elected office and focus more on starting companies.

The post Philippe Pouletty: Turning Europe’s Life Science Startups Into World Leaders appeared first on Inside Precision Medicine.

A Shared Vision for Children and Young People: Advancing Partnership and Impact at SNF Nostos 2026

As the Stavros Niarchos Foundation (SNF) celebrates 30 years of visionary philanthropy, leaders from across sectors and around the world will gather at SNF Nostos 2026 (June 21–28) at the Stavros Niarchos Foundation Cultural Center (SNFCC) in Athens, Greece. There, they will explore bold ideas and practical solutions for building a better future. The Child Mind Institute is honored to participate in this milestone anniversary celebration, grateful for SNF’s longstanding partnership and commitment to advancing child and adolescent mental health globally.

Throughout the SNF Nostos 2026 week, the Child Mind Institute and the SNF Global Center for Child and Adolescent Mental Health will contribute to conversations examining how youth mental health intersects with some of today’s most pressing challenges, including education, technology, equity, and workforce development. These discussions will bring together diverse perspectives united by a shared belief that meaningful progress requires collaboration across disciplines, sectors, and borders.

During the panel, “SNF’s Global Health Initiative (GHI): Focus on Mental Health”, SNF co-president Andreas Dracopoulos will join founding president and medical director of the Child Mind Institute, Harold S. Koplewicz, MD, senior vice president of Global Programs Giovanni Abrahão Salum, MD, PhD, and other international experts to explore how sustainable support for mental health can strengthen communities and improve outcomes for children and young people worldwide. The discussion will highlight approaches that are locally led, evidence-based, and designed to meet the unique needs of diverse communities.

In addition, the SNF Global Center and its Global Youth Advisory Council (GYAC) will come together, in-person, for the first time to lead two conversations focused on advancing collaborative and community-driven approaches to mental health:

  • Strengthening Mental Health Systems through Cross-Country Partnerships: Case Studies from Greece, South Africa, Brazil, and Mozambique
  • Youth Voices Driving Digital Innovation in Mental Health Interventions

These conversations aim to highlight how countries and communities are building stronger systems of support through local leadership, meaningful youth participation, and innovative approaches to care.

Members of the SNF Global Center at the Child Mind Institute’s Global Youth Advisory Council (GYAC)

Building on the momentum of the SNF Global Center’s inaugural Global Summit on Youth Mental Health in 2025 and the ongoing work of the GYAC, SNF Nostos 2026 will also spotlight the critical role young people play in shaping the future of mental health. Across the week, youth leaders will share perspectives on how lived experience, community engagement, and innovation can help create more responsive and effective systems of support.

Additionally, a landmark Evidence-to-Policy Review examining what it means to navigate adolescence in an increasingly digital world will be presented.  Commissioned by the Prime Minister of Greece and developed through the Child and Adolescent Mental Health Initiative (CAMHI) in Greece, the youth-led report brings together the latest evidence, youth perspectives, and a roadmap for how governments, institutions, and communities can better support young people in Greece and beyond.  Having started in Greece, CAMHI has since expanded into additional core hubs in South Africa and Brazil, as well as partnerships across multiple low- and middle-income countries.  We look forward to seeing the positive impacts this expansion will make on youth mental health globally.

Finally, as a special part of the celebration, the Child Mind Institute is proud to share a video reflecting on our transformative partnership with SNF, and the exceptional changes made possible through the SNF Global Center for Child and Adolescent Mental Health. Over the past six years, we have worked together to expand access to care, strengthen mental health systems, support local leaders, and elevate youth voices across communities around the world.

“What we share with the Stavros Niarchos Foundation, is that we both believe that every child, everywhere, deserves mental health.”

Dr. Harold S. Koplewicz

SNF Nostos 2026 is a celebration of what becomes possible when people unite around a shared purpose. With humanity at the core, SNF Nostos 2026 will serve as a reminder that sustained progress begins with people — especially youth, families, communities, and the leaders committed to supporting them. Together, we can build a world where every child counts.

The post A Shared Vision for Children and Young People: Advancing Partnership and Impact at SNF Nostos 2026 appeared first on Child Mind Institute.

HSE and System C roll out CareFlow Pharmacy across Ireland

The Health Service Executive (HSE) and System C have announced the next phase of a national agreement that will see CareFlow Pharmacy deployed in every hospital across the Republic of Ireland. Nine hospitals are now live following a deployment programme, with a further 12 sites scheduled to go live during 2026. A third phase, due […]
<![CDATA[New spectral sleep analysis and HD‑tDCS aim to strengthen restorative sleep and memory, offering promise for schizophrenia-related cognitive deficits.]]>

The Download: a reality check for geoengineering and the science of interoception

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology.

Hacking the atmosphere: geoengineering gets a reality check

Solar geoengineering, the controversial idea that we could deliberately intervene in the climate system to counteract global warming, is moving beyond computer simulations and into the practical engineering challenges required to make it real.

Researchers are now working on aircraft, materials, and other systems for solar geoengineering. But as they delve into these details, they’re finding that even early deployment would require significant new infrastructure, time, and investment.

Find out what happens when solar geoengineering encounters the realities of trying to cool the planet.

—James Temple

MIT Technology Review Narrated: inside interoception, the hidden sense of how you feel inside

Scientists have a word for how we sense ourselves from the inside: interoception. Today, thanks to a 2021 Nobel Prize and new tools that can map internal signaling across the body, research into interoception is taking off.

As researchers decode how signals move between body and brain, a clearer picture is starting to take shape—with implications for how we treat conditions from obesity to anxiety.

—Katherine W. Isaacs

This is our latest story to be turned into an MIT Technology Review Narrated podcast, which we publish each week on Spotify and Apple Podcasts. Just navigate to MIT Technology Review Narrated on either platform, and follow us to get all our new content as it’s released.

The must-reads

I’ve combed the internet to find you today’s most fun/important/scary/fascinating stories about technology.

1 SpaceX is now valued higher than Amazon 
Its market value hit $2.659 trillion yesterday. (Axios)
+ A post-IPO stock surge also briefly pushed it above Microsoft’s. (Quartz)
+ It’s now the world’s fifth most valuable company. (Guardian)
+ SpaceX is acquiring AI coding startup Cursor for $60 billion. (CNBC)

2 G7 leaders want access to top US AI models
They’re pushing to escape restrictions on the likes of Fable 5. (Reuters $)
+ The Mythos shutdown has sparked a global scramble for sovereign AI. (Fortune)
+ The world is looking to ditch US AI models. (MIT Technology Review)

3 Trump’s AI export strategy has run into Trump’s export controls
His administration risks undermining its own AI plans. (Axios)
+ It now effectively has a licensing regime for frontier AI. (Fortune)
+ Here’s how a top Chinese AI model overcame US sanctions. (MIT Technology Review) 

4 Huawei’s big comeback has exposed the limits of US chip controls
It’s overcome restrictions on advanced chipmaking gear. (Financial Times $)
+ The AI boom has ignited Asia’s chip companies. (NYT $)

5 AI fears are pushing Silicon Valley toward gene-editing startups
They want smarter babies to counter superintelligent AI. (Mother Jones)
+ The pursuit of perfect babies is an ethical mess. (MIT Technology Review)

6 A brain implant has enabled a speechless ALS patient to work full-time
The system translates his brain activity into speech. (The Register)
+ He’s become the first “power user” of a BCI. (MIT Technology Review)

7 A leak has revealed details of Peter Thiel’s secret society
Its program ranges from cult-building to prepping for World War III. (Wired $)

8 ChatGPT’s market share has slipped below 50% for the first time
Thanks to the rise of Gemini and Claude. (TechCrunch)

9 A quantum state that lasts forever may finally be within our grasp
Experiments suggest that quantum “eternity” is possible. (New Scientist $)

10 Commodore has made a digital detox phone that isn’t dumb
The Callback combines gadget nostalgia with modern needs. (The Verge)

Quote of the day

“The Entity List is like whack-a-mole and you’ve got to ‌keep whacking the moles.” 

—Philip Luck, who studies global supply chains at the Center for Strategic and International Studies, tells Reuters that a lack of new blacklistings is likely leading American innovations to adversaries who could use them against the US.

One More Thing

A model generated by AlphaFold shows how amino acids fold to form a protein.

COURTESY OF DEEPMIND


This is the reason Demis Hassabis started DeepMind

Watching DeepMind’s AI master the ancient board game Go, Demis Hassabis realized that his company was ready to take on one of the most important and complicated puzzles in biology: predicting the structure of proteins. 

The result was AlphaFold2, an AI that could predict the shape of proteins down to the nearest atom. “It’s the most complex thing we’ve ever done,” Hassabis told MIT Technology Review.

Taking on scientific problems is the culmination of what Hassabis set out to achieve, and it’s what he wants to be known for.  “This is the reason I started DeepMind,” he says. “In fact, it’s why I’ve worked my whole career in AI.”

Discover how he plans to transform science with AI

—Will Douglas Heaven

We can still have nice things

A place for comfort, fun, and distraction to brighten up your day. (Got any ideas? Drop me a line.)

+ This mesmerising footage of wind rolling through grass looks like CGI.
+ The glorious early days of internet discovery have been revived by the return of StumbleUpon.
+ A German subway entrance has been delightfully designed as an old tram car crashing into the pavement.
+ The Last Museum lets you search across 5.8 million museum artworks spanning from 3000 BC to the present day.

From network hub to therapeutic target: the role of mediodorsal thalamic nucleus in epilepsy

Mediodorsal thalamic nucleus (MD) is a pivotal hub for cortical functions, characterized by significant heterogeneity in its anatomical connectivity, cytoarchitecture, and function, constituting a complex nucleus composed of multiple functionally specialized subregions. We elaborates on the heterogeneous anatomical connectivity of MD and its crucial role in supporting higher cognitive functions such as working memory, cognitive control, and emotional integration. It then focuses on the multifaceted role of MD within epileptic pathological networks. Substantial evidence indicates that MD in patients with epilepsy exhibits structural atrophy and abnormalities in functional connectivity, with its activity being recruited early during seizures and likely involved in seizure propagation and generalization. However, the therapeutic efficacy of neuromodulation targeting MD, such as deep brain stimulation (DBS), remains contentious, highlighting the current insufficient understanding of its distinct functional subregions and specific pathway mechanisms. Finally, the review discusses the challenges and future directions in translating MD into an effective therapeutic target. It emphasizes that future research must endeavor to elucidate its causal mechanisms within epileptic networks at the subregional level, account for the heterogeneity of seizure onset frequencies, and develop precise intervention strategies targeting specific epileptogenic pathways, thereby advancing novel therapies focused on thalamocortical circuits toward clinical application.

Vagus Nerve Stimulation differentially modulates P3b in responders and non-responders: toward a biomarker of therapeutic efficacy

IntroductionAlthough vagus nerve stimulation (VNS) is an established therapy for drug-resistant epilepsy, its mechanisms of action remain unresolved, resulting in variable clinical efficacy. Given the strong anatomical and functional coupling between vagal afferents and the locus coeruleus–noradrenergic system, this study investigated whether VNS directly impacts an electrophysiological marker of this system, the P3b event-related potential, and how such modulation relates to therapeutic outcomes.MethodsFifteen adults who had undergone long-term VNS implantation performed an auditory oddball task with the device disabled (OFF) and enabled (ON), with ON separated into electrical pulse-train (ON HIGH) and inter-burst break (ON LOW) phases to investigate the direct impact of electrical stimulation on the P3b.ResultsLinear mixed-effects modelling revealed a significant interaction between VNS condition and clinical response: responders showed reduced P3b amplitude (p = 0.023) and prolonged latency during ON (p = 0.007), whereas non-responders exhibited increased amplitude (p = 0.009) and trending shortened latency (p = 0.078). These VNS-induced changes correlated monotonically with a continuous clinical response score (r_amplitude = −0.62, r_latency = 0.48). In addition, a simple classification approach based on a composite amplitude-to-latency index was included to illustrate the potential of P3b modulation as a biomarker for distinguishing responders from non-responders, showing an overall accuracy of 86.7%. No pulse-locked modulation was observed between ON HIGH and ON LOW.DiscussionThese findings demonstrate that VNS elicits group-specific acute effects on cognitive–electrophysiological markers and support P3b modulation as a promising biomarker for predicting therapeutic efficacy.

Transformer-based fusion of radiomics-habitat and deep learning for assessing unruptured intracranial aneurysm instability

ObjectivesTo develop and validate a prediction model that integrates radiomics-habitat and deep learning (DL) features derived from vessel wall MRI (VWI) for evaluating unruptured intracranial aneurysms (UIAs) instability.MethodsFirst, from January 2022 to January 2024, 519 consecutive patients with suspected UIAs were screened. After applying exclusion criteria, 293 patients with 312 UIAs were ultimately enrolled. 197 UIAs were stable (from 188 patients) and 115 UIAs were unstable (from 105 patients). Second, aneurysm regions were segmented, and K-means clustering was used to partition them into three habitat subregions. Third, a Transformer-based fusion model for assessing UIA instability was developed to integrate radiomics-habitat features, DL features, and clinical variables. Model performance was evaluated using AUC, calibration curves, and clinical gain metrics, including Net Reclassification Index (NRI) and Integrated Discrimination Improvement (IDI). Last, SHAP (SHapley Additive exPlanations) was applied to enhance model interpretability.ResultsThe Transformer-based fusion model assessing UIA instability exhibited superior performance (validation AUC = 0.844) compared with the optimal radiomics-habitat model (AUC = 0.721) and the top-performing DL model (DenseNet169, AUC = 0.816). The model demonstrated superior clinical utility, with an NRI of 0.282 and an IDI of 0.558 compared to the Radiomics-Habitat model. Decision curve analysis showed a high net clinical benefit across a range of threshold probabilities.ConclusionThe Transformer-based fusion model provides an exploratory risk-assessment model and has the potential to assist in clinical decision-making.

The relationship between healthy sleep patterns and the risk of scoliosis: a large prospective cohort study

BackgroundCurrently, prospective evidence on how sleep habits specifically affect scoliosis is nearly nonexistent. We therefore sought to clarify the association between comprehensive sleep behavior patterns and the incidence of this disease.MethodsThis study conducted a prospective cohort study based on the UK Biobank (UKB), including 408,870 participants who did not have scoliosis at baseline. We have constructed a comprehensive sleep scoring system that integrates the following five key indicators: sleep chronotype, sleep duration, insomnia, snoring, and daytime sleepiness. To evaluate the association between healthy sleep patterns and the risk of scoliosis, we conducted a statistical analysis using the Cox proportional hazards regression model.ResultsOver a mean follow-up of 15.82 years, 2,976 incident cases of scoliosis were recorded (0.73%). The 408,870 participants who were free of scoliosis at baseline had a mean age of 56.48 years. Distribution of the healthy sleep score was as follows: 9,939 participants (2.43%) had 0–1 of the five healthy sleep behaviors, 46,175 (11.29%) had 2 behaviors, 115,094 (28.15%) had 3 behaviors, 150,287 (36.76%) had 4 behaviors, and 87,375 (21.37%) had all five. In multivariable models, each 1-point increase in the healthy sleep score was associated with a 10% lower risk of scoliosis [hazard ratio (HR) = 0.90; 95% confidence interval (CI) = 0.87, 0.93]. Compared with the 0–1 score group, the multivariable-adjusted HR (95% CI) for participants with a score of 5 was 0.64 (0.52, 0.80). In subgroup analyses, the inverse association between sleep score and scoliosis risk persisted among participants without diabetes but was absent among those with diabetes (pinteraction < 0.05).ConclusionCohort analysis results confirm that adherence to a healthy sleep-behavior pattern significantly reduces the risk of scoliosis.

Impact of C-reactive protein–triglyceride–glucose and systemic immune-inflammation indices on obstructive sleep apnea in older adults with depression

ObjectiveBoth the C-reactive protein (CRP)–triglyceride–glucose index (CTI) and the systemic immune-inflammation index (SII) are easily accessible, cost-effective, and rapid indices derived from biochemical examinations. The study aimed to identify the roles of the CTI and SII in older adults with comorbid obstructive sleep apnea (OSA) and depression.MethodsThe study included 52 older patients with depression coexisting with OSA and 108 patients with depression but without OSA. The CTI was calculated using the following equation: 0.412 × Ln (CRP) (mg/dL) + Ln [triglyceride (mg/dL) × fasting glucose (mg/dL)/2]. The SII was calculated using the formula: platelet × neutrophil/lymphocyte.ResultsA greater proportion of men and a higher mean body mass index were found in older adults with comorbid OSA and depression compared to those with depression only (p < 0.05). Older adults with comorbid OSA and depression also showed higher levels of fasting glucose, triglycerides, CRP, the triglyceride–glucose (TyG) index, and the CTI than those with depression alone. We also found that older adults with comorbid OSA and depression had higher neutrophil counts, a higher neutrophil-to-lymphocyte ratio (NLR), and a higher platelet-to-lymphocyte ratio (PLR), and an increased SII compared to those with depression alone. Logistic regression analysis demonstrated that male sex and higher CTI and SII values were correlated with the presence of OSA in patients with depression.ConclusionThe study demonstrated that higher CTI and SII values may be associated with comorbid OSA and depression in older adults.