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Describe your device and the condition it addresses. Anara searches for current incidence and prevalence data, hospitalization rates, time on existing treatment, and the size of the target market in your key geographies. Returns a structured market sizing argument with source citations. For device startups and business development teams building the clinical and commercial case for a new program.

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1. Describe the task

Your pitch requires a credible patient population estimate. How many patients need this device, where are they, and how long are they on current treatment before they reach you? The answer requires epidemiology data, hospital statistics, and clinical burden estimates scattered across published registries, CMS reports, and academic literature. Anara can run the search across web and published sources in parallel. Name the device, the clinical condition, and the markets that matter. Anara finds current incidence and prevalence rates from published epidemiology and registry data, clinical burden estimates (hospitalization rates, days on mechanical ventilation, time to intervention), and the concentration of target patients by geography. Each figure is sourced and cited. No estimate is invented. Here a co-founder at a phrenic nerve stimulation startup is building the ICU market sizing section of their Series A deck. Their device addresses ventilator weaning in ICU patients requiring prolonged mechanical ventilation. 
I'm building the market sizing section for a Series A pitch. Our device supports ventilator weaning in adult ICU patients requiring prolonged mechanical ventilation (more than 7 days).

Find current data on:
1. The incidence rate of adult patients on mechanical ventilation in US ICUs per year
2. The proportion requiring prolonged ventilation (over 7 days)
3. US adult population data 2024-2025 for denominator calculations
4. Which hospitals in the US have the largest concentrated numbers of ICU beds in a single hospital

Search published epidemiology, CMS data, hospital-reported statistics, and any other current sources. Cite every figure. Do not estimate any number that is not reported in a source.

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2. Give Anara context

Required context
  • Nothing to upload. The prompt carries the research direction.
Optional context
  • Target geographies beyond the US (EU, Japan, specific countries for international expansion).
  • Competitive devices or procedures currently used for the same indication. Anara can find the published data on procedure volumes for the existing standard of care.
  • The regulatory pathway you are pursuing (510(k), PMA, CE marking). This shapes which clinical burden data is most relevant to include.

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3. What Anara creates

A structured market sizing section organized by the dimensions you specified: incidence/prevalence figures with denominator context, clinical burden estimates (hospitalization rates, average treatment duration), geographic concentration data, and cited sources for every figure. The output is a working market sizing argument you can take directly into your pitch deck or clinical program documents. The citations let you verify each number before it goes to investors or a regulatory audience.

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4. Follow-up prompts

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Identify where target patients are concentrated

When you need to know which hospital systems or regions have the highest concentration of your target patient. 
From the ICU data you found, identify which hospital systems in the US have the highest concentration of ICU beds per facility and the highest rates of prolonged mechanical ventilation admissions. Search for any published hospital quality data or CMS reports that break this down by facility size or system.

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Find current trials recruiting your target patient

When you want to show investors that the clinical development landscape is active without naming competitors. 
Search ClinicalTrials.gov for active or recruiting trials in adult patients requiring mechanical ventilation for more than 7 days in the ICU. Return the phase, enrollment status, sponsor, and primary endpoint for each. I want to see the clinical development activity in this space.

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Build the international market comparison

When your program has a second geography and you need the epidemiology to match. 
Run the same market sizing search for EU5 countries (Germany, France, Italy, Spain, UK). Find current incidence rates for prolonged mechanical ventilation in ICU patients, hospital ICU bed counts by country, and any published registry data on ventilator weaning outcomes. Cite all sources.

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5. Tricks, tips, and troubleshooting

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How you word your prompt shapes what you get

Specify the exact clinical definition: “prolonged mechanical ventilation over 7 days” returns different data than “ICU patients on mechanical ventilation.” That precision determines whether the market is 50,000 patients or 500,000. Name specific data sources if you know them (CMS, published registry data, hospital quality reports): targeted sources produce more reliable figures than open-ended web search.

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Check the output against your own understanding

Published epidemiology data varies by study population, year, and geographic scope. A figure from European registry data may not translate directly to US incidence rates. Read the source methodology for any figure you plan to use in a pitch or regulatory document: caveats often matter (for example, ICU bed counts from one year may not reflect post-pandemic capacity changes). Device investors are sophisticated about epidemiology: unexpectedly precise or suspiciously round numbers will prompt follow-up questions.

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What to do with the output next

Pair the patient population figures with published procedure volume data for the competing standard of care (ask Anara to find this in a follow-up). Once you have both, the market opportunity framing becomes specific: X patients currently on Y procedure, your device replaces or supplements it in the subset who meet your indication. Save the sizing document as a note so you can update individual figures as newer data publishes without rebuilding the full analysis.