protocol researchFor metabolic health research

NEWNow indexing CTRI, India's clinical trial registry

Ask the literature. Get the evidence, graded.

Clinical answers pooled from trials, with every sentence cited and every conclusion rated for how far you should trust it.

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Trials onlyAdultsSouth Asian

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AnswerSourcesForest plotMethods
GRADE assessment

Related

Demo with illustrative trials. In the product every trial links to its PubMed, Europe PMC or CTRI record.

How it works

A systematic review, in minutes instead of months.

The same five steps a careful review team follows. ProtocolResearch shows its work at each one, so you can check it, change the criteria, or rerun it.

Searched
41.2M
Matched
1,284
Screened in
312
Full text
41
Included
4 RCTs

Log scale. Counts from the time-restricted eating example above.

SearchPubMed, Europe PMC, Cochrane CENTRAL and CTRI, every night.
ScreenTwo independent models. Disagreements come to you.
ExtractEffect sizes from full-text tables, with the page cited.
GradeGRADE domains rated and explained, one by one.
SynthesiseRandom-effects pooling and a methods section to paste.

Evidence map

See what's known, and what isn't.

How many trials exist for each intervention and outcome, and how certain they are. The empty cells are where research is needed. Click a cell with a matching example to open it.

HighModerateLowVery lowSize = number of trials

Example map with illustrative counts.

Principles

Built to be hard to fool.

No citation, no claim

Every sentence links to the paragraph it came from. If nothing supports it, it isn't written.

"Berberine works as well as metformin."
→ Not enough evidence · 3 small trials · very low

Retractions flagged

Checked nightly against the Retraction Watch database and marked wherever they appear.

● Retracted 2024 · excluded from the pooled estimate

Funding labelled

Industry-funded trials carry a label. Rerun any analysis without them in one click.

Pooled −0.42 · without industry-funded: −0.19

Absolute numbers first

"Halves the risk" might mean 2 in 1,000 becoming 1 in 1,000. Both are shown, absolute first.

Absolute 0.2% → 0.1% · Relative −50%

Who it's for

Clinical researchersEndocrinologistsDietitiansFood & pharma R&DPublic health teamsHealth journalistsPhD students

Pricing

Free for students. Priced in rupees.

Student

₹0

  • .ac.in or .edu email
  • 30 questions a month
  • Forest plots and exports

Researcher Popular

₹2,400 / mo

  • Unlimited questions
  • Custom inclusion criteria
  • Full GRADE tables
  • Methods export

Clinic

₹14,000 / seat / yr

  • Everything in Researcher
  • Patient-ready summaries
  • Shared protocol library

Institution

Custom

  • Universities and R&D
  • Private document search
  • On-premise option

Frequently asked questions

Is it free for students?

Yes. Students get free access; paid tiers for researchers, clinics and institutions.

Are answers cited?

Every sentence cites its source trial or review.

Which registries are indexed?

PubMed, Europe PMC and CTRI.

Can I export results?

Methods and GRADE tables export on paid tiers.

What early users say

"PhD student, AIIMS"

What took a month now takes an afternoon. Every claim is cited.

"Clinician, Pune"

The evidence map shows exactly where research is missing.

CitedGRADE ratedRetractions flagged
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