N = 360, randomised 1:1
Patients are waiting.
Every week of delay is a week a patient waits.
Cardinal: Clinical Protocol Intelligence. A few answers in. A complete, risk-checked protocol out.
Answer a few questions about your study.
Product screens shown with example data.
- 76%
- of trials need a protocol amendment
- 45%
- of those amendments are avoidable
- $535K
- median cost of one Phase 3 amendment
- 587K
- real trials behind every Cardinal check
Amendment figures: Tufts Center for the Study of Drug Development.
Same protocol. Nothing left unchecked.
See the same page before and with Cardinal.
Approximately 360 participants will be randomised 1:1.
The primary endpoint is ACR20 response at Week 12.
A total of 320 participants is planned.
Up to eight procedures at each of nine visits.
Six reviewers. Before the real one.
Cardinal rehearses the review, so the first hard question is never a surprise.
Write the protocol once.
Cardinal carries the same facts into five more documents.
- Phase
- 2b
- Sample Size
- 360
- Treatment
- 24 weeks
- Primary Endpoint
- ACR20
24 weeks on treatment
Phase 2b, N = 360
ACR20 at each visit
320 to 360, tracked
Try it on your own number.
Where does your enrollment target stand against real trials?
Free, no signup. Runs in your browser; nothing is sent unless you ask for the full report.
See The Full Design Check
Eligibility burden, endpoint precedent and amendment risk, shown here instantly.
We will also reserve a free protocol assessment for you. No newsletter, no sequence.
Full Design Check:
,
Want Cardinal to run the remaining dimensions against your actual protocol?
Get A Free AssessmentBuilt for the people who own the protocol.
Draft once. Defend every line.
- 15 sections drafted from your IB
- Every claim traced to its source
- Word export with tracked changes
Sample size and endpoints, benchmarked.
- Sample size against matched trials
- Endpoint precedent with a 95% CI
- SAP built from the same protocol
Every sponsor isolated. Every answer sourced.
- Row-level sponsor isolation
- Six reviewers before you deliver
- Amendments in one click
Sponsor-grade evidence for every trial.
- 587,000 registry trials behind you
- Ethics and regulatory rehearsed
- ICF and SAP generated for you
Never FabricatedEvery claim traced to your IB.
Never Trains A ModelYour data stays yours.
Your Team DecidesCardinal advises. It never decides.
Encrypted And IsolatedAES-256. Row-level isolation.
Patients are waiting.Let's not keep them.
We run Cardinal on one of your live protocols and walk you through what it finds. Free.
- Mutual NDA first
- Every amendment risk, flagged and explained
- A sample SAP, ICF and synopsis
- Thirty minutes with the founder
No sales team. No email sequence.
Assessment Reserved
You will hear from info@merquell.com within two business days, with a mutual NDA and a link to book your thirty minutes.
Nothing else. No newsletter, no drip sequence.