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What VCs Look for in Clinical Trials

Last Updated on 

May 30, 2025

By 

Excedr
Venture capital
Table of Contents

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You’ve got a promising therapy, strong preclinical data, and maybe even a solid IP position. But when it comes time to raise your next funding round, your pitch runs into a familiar wall: “What’s the clinical plan?”

For venture capitalists, clinical trials aren’t just scientific milestones. They’re investor litmus tests—high-stakes inflection points that determine valuation, partnerships, exit potential, and investor confidence. In a sector defined by risk and long timelines, how you approach clinical research can make or break your startup’s chances of securing VC funding.

And yet, for many first-time biotech entrepreneurs—especially those coming from academia—the decision-making around trials can feel like uncharted territory. When should you move to Phase 1? What level of proof-of-concept is compelling? How do regulatory filings, CRO relationships, and trial design affect your perceived viability in the eyes of investors?

This guide breaks it down. We’ll explore what venture capital firms actually look for in clinical-stage biotech companies, how VCs evaluate trial design and milestones, and how to communicate your development process in a way that resonates with investors—from angel groups to later-stage VC firms.

Why Clinical Strategy Matters to VCs

Venture capitalists aren’t just betting on science—they’re betting on outcomes. And in biotech, clinical trials are the clearest bridge between promising data and commercial reality.

Here’s why VCs care so deeply about your clinical strategy:

  1. Clinical trials drive valuation inflection points: Each successful trial—especially Phase 1 or 2—can dramatically increase your company’s valuation. These are the moments when VCs expect to see de-risking, potential for partnerships, and better terms for future funding rounds. In other words: trials create value on the cap table, not just in the clinic.
  2. Trials offer external validation: Unlike early-stage data generated in-house, clinical data is subject to regulatory scrutiny, independent review, and third-party oversight. For investors, that makes it a key signal of credibility. A well-run trial—even a small one—can serve as proof of concept for your therapy, platform, or approach.
  3. Trial design reflects leadership judgment: How you design a trial says a lot about how you think. Are the endpoints meaningful? Is the patient population strategically selected? Are you being realistic about timelines and regulatory hurdles? VCs often read trial protocols as a proxy for your executive team’s ability to execute.
  4. Clinical plans determine capital needs: Clinical trials aren’t cheap. Your fundraising goals should reflect realistic cost projections, burn rates, and timelines. VCs want to see that you've scoped the development process thoroughly—and that your ask aligns with milestones that will unlock the next tranche of value.
  5. Exit potential is tied to clinical progress: Whether the goal is IPO, acquisition, or partnership with a pharmaceutical company, your path to liquidity hinges on clinical outcomes. A strong clinical program makes you attractive to both later-stage VC investment and pharma BD teams.

In short: clinical trials are where the science meets the business. And for venture capital firms, that intersection is where investment decisions get made.

What VCs Look for in Your Trial Design

When VCs evaluate a biotech startup’s clinical plan, they’re not expecting you to run a perfect trial—they’re looking for signs of strategic thinking, risk awareness, and commercial potential. Trial design is less about perfection and more about positioning.

Here’s what gets their attention:

  1. A clear link to the unmet need: Does the trial directly address a serious medical need or improve meaningfully on existing therapies? VCs are drawn to programs that target large, underserved markets—or niche indications with high pricing potential, like gene therapy or rare disease. Relevance matters.
  2. Realistic, staged milestones: VCs expect your clinical plan to break down into tangible, fundable steps. For early-stage startups, that usually means:
    • Preclinical validation
    • IND-enabling studies
    • Phase 1 safety data
    • Initial efficacy signals (often in Phase 1b or 2a)
      These are the proof points that drive additional rounds of venture capital funding, strategic partnerships, or pharma interest.
  3. Regulatory awareness: Is your team thinking proactively about FDA expectations, fast track designations, or breakthrough therapy status? Can you articulate the path to regulatory approval—not just in the U.S., but globally? Even if you're not there yet, a clear understanding builds investor confidence.
  4. Thoughtful patient population selection: Overly broad or poorly defined patient groups increase risk and cost. Savvy VCs appreciate focused, biomarker-driven approaches or enriched populations that offer clearer signals in early studies.
  5. CRO relationships and execution plan: Have you identified capable CROs? Is your trial scoped for realistic timelines and resourcing? VCs know that great science can falter in execution—strong CRO planning is a green flag.
  6. IP and exclusivity alignment: Your trial design should strengthen your intellectual property—not threaten it. If your clinical approach puts your composition-of-matter patents at risk or depends on shaky FTO, it’ll raise red flags.

Clinical trials are expensive, complex, and high-risk. But a smartly designed trial signals to investors that your team understands how to navigate the biotech industry—and deliver returns.

The Red Flags That Scare VCs Away

Even strong science can be overshadowed by missteps in clinical strategy. These are the warning signs that make venture capital firms hesitate—or walk away entirely.

  1. Overambitious timelines: Saying you’ll get to Phase 2 in 12 months might impress non-specialists, but seasoned biotech investors will spot the disconnect. Unrealistic timelines signal either inexperience or poor planning—neither inspires confidence.
  2. Vague or moving milestones: If your deck talks about “advancing toward clinical readiness” without clearly defined endpoints or target dates, VCs may assume the plan lacks structure—or that you’re avoiding hard truths about trial progress.
  3. Underestimating cash burn: Biotech investors are intimately familiar with the cost of clinical research. If your budget doesn’t match your plans, or you’re raising too little to get through a key value inflection point, it suggests trouble ahead.
  4. Weak regulatory strategy: Skipping over FDA considerations or failing to anticipate regulatory feedback tells VCs you're not ready for the real world of drug development. The biotech sector is full of promising ideas that stalled at the FDA’s door.
  5. No clear differentiation: If your clinical trial doesn’t offer something new—a novel mechanism, better safety profile, faster delivery, improved patient selection—it’s a tough sell. Investors want to back potential breakthroughs, not lookalikes.
  6. One-size-fits-all narratives: Don’t use the same story for every investor. Angel investors, crossover funds, and pharma BD teams all look for different signals. Tailoring your clinical messaging shows you understand the audience—and the investment landscape.

These red flags aren’t always deal-breakers. But they are signs that your clinical and fundraising strategy need refinement before you’re ready for a serious term sheet.

Surprising Take: Sometimes It’s Better to Delay the Trial

In the race to the clinic, biotech startups often feel immense pressure to “go fast.” It’s a familiar script: raise your Series A, file the IND, start dosing patients. Speed, after all, is a signal of momentum—and momentum attracts capital.

But here’s a contrarian take: in some cases, it’s smarter to wait.

Delaying your first trial—even by 6 to 12 months—can give you the time to shore up weaknesses that might otherwise kill your credibility with investors down the line. Think about it:

  • Are your biomarkers solid?
  • Is your manufacturing process reliable and scalable?
  • Do you really understand the regulatory path—or are you guessing?
  • Could a little more preclinical data change your target population or endpoints?

Rushing into clinical trials before your data, operations, or strategy are truly ready might impress during a pitch—but it can backfire hard during diligence, or worse, mid-trial. VCs will see through shaky execution plans, and early trial failures can poison a company’s valuation for years.

More importantly, biotech investors aren’t just funding speed—they’re funding judgment. Choosing to delay a trial, if done transparently and strategically, can actually earn respect. It shows discipline, awareness of clinical risk, and long-term thinking—traits that stand out in a sector full of burn-and-churn stories.

This doesn’t mean you should stall. It means you should launch when you're really ready. Not a month sooner.

How to Communicate Your Clinical Plan to Investors

You might have the right science, the right strategy, and the right team—but if you can’t communicate your clinical plan clearly, confidently, and convincingly, investors will move on.

Here’s how to frame your clinical narrative so that it lands with VCs:

  • Anchor everything to milestones: Investors don’t just want to hear what you’re doing—they want to know when it happens and why it matters. Tie your funding ask to specific milestones (e.g. “This round gets us to IND filing + 3 months of Phase 1 dosing”) and make the risk/reward clear.
  • Show you understand risk: Rather than hiding potential hurdles, address them head-on. Talk about how you’re derisking each step—through preclinical validation, regulatory engagement, or thoughtful patient selection. VCs want to back leaders who are realistic, not blindly optimistic.
  • Keep the story focused: Avoid trying to be everything at once. If you have a platform, highlight the lead asset. If you're tackling multiple indications, make sure one is clearly prioritized. The best biotech fundraising decks have one clear through-line—especially at early stages.
  • Use visuals with precision: Timelines, trial schemas, and waterfall plots can tell a powerful story—but only if they’re clean, legible, and strategic. Every chart should move the investor one step closer to conviction.
  • Align your ask with your plan: If you're raising $20M, show why that number makes sense based on trial design, burn, and time-to-milestone. Investors will assume you've backsolved from your plan to your ask. If it looks arbitrary, they’ll dig deeper—or walk.
  • End with a clear signal of readiness: Use language that reflects preparedness: “We’re IND-ready,” “We’ve selected our CRO,” “We’re in FDA dialogue.” Confidence without overpromising is the sweet spot.

Remember: clinical strategy is one of the most scrutinized parts of a biotech pitch. Communicate it well, and you won’t just raise capital—you’ll earn credibility that lasts beyond the next round.

Clinical Strategy Is an Investor Strategy

In biotech, clinical trials aren’t just a scientific requirement—they’re a business imperative. The way you design, pace, and communicate your trial strategy tells VCs everything they need to know about how you think as a founder, how your startup handles risk, and whether you're building something that can scale, survive, and succeed in the real world.

It’s not enough to have a new drug or a novel idea. Investors are looking for clinical strategies that are grounded in reality, aligned with capital efficiency, and structured around value-creating milestones. Whether you’re raising your first round or preparing for later-stage due diligence, your ability to guide a program through the gauntlet of development, regulation, and commercialization is what separates fundable companies from forgettable ones.

So if you're a biotech entrepreneur preparing to fundraise, don't treat your clinical plan as a box to check. Treat it as the signal. Because to VCs, that plan isn’t just about patients and protocols—it’s a proxy for whether your company will make it to the other side.

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