Clinical Trial Translation
Regulatory-grade translation of informed consent forms, protocols, investigator brochures, and site documents — with back-translation and reconciliation when your IRB or sponsor requires it.
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Certified GSA Schedule Holder - HIPAA-trained staff
- 300+ languages - 24/7 support
- GSA Schedule Holder - NASPO ValuePoint Contract Holder - Trusted by State & Federal Agencies - Serving Major U.S. School Districts
What is clinical trial translation?
Clinical trial translation is the specialized translation of study documents — informed consent forms, protocols, investigator brochures, patient diaries, and site materials — by linguists experienced in clinical research. ICH E6 Good Clinical Practice requires consent information to be understandable to the trial subject, so patient-facing documents often add back-translation and reconciliation as an independent check.
A translation error in a trial isn't a typo — it's a finding
A mistranslated informed consent form can compromise the validity of consent itself. A drifted term across protocol versions can put data integrity in question. IRB submissions get delayed, sites get queried, and the sponsor answers for it. Trial documents need linguists who know clinical research and a process regulators recognize.
Research teams have trusted Taika since 2009
Taika Translations translates clinical trial documentation for sponsors, CROs, and research sites — 102,000+ projects delivered across 300+ languages, drawing on a network of 2,000+ vetted linguists, with a 5.0★ Google rating and staff trained on confidentiality. Back-translation and reconciliation are built into the workflow whenever your protocol requires them.
How trial translation projects run
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Share your document set and language list
Request a quote with your documents, target countries and languages, timeline, and whether back-translation is required. Quotes are answered the same business day, with an NDA first if you require one.
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Clinical-experienced translation + TEP
A linguist experienced in clinical research translates; a second qualified linguist independently edits and proofreads against the source — terminology consistent across every version and language.
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Back-translation and reconciliation where required
For ICFs, ePRO/eCOA instruments, and patient diaries, an independent back-translation is compared against the original and discrepancies are reconciled — the documentation trail IRBs and sponsors ask for.
What you get
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Clinical research linguists
Translators experienced in trial content — consent language, protocol terminology, patient-reported outcomes — not a general pool.
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Back-translation and reconciliation
The independent-review step IRBs, ethics committees, and sponsors most often require for patient-facing documents.
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TEP on every document
Translation, independent editing, and second-linguist proofreading run on every deliverable, from ICF to CSR.
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Multi-country programs, one vendor
300+ languages coordinated as a single program with consistent terminology across every target country.
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Confidential by structure
Staff trained on confidentiality, secure file transfer, and an NDA signed whenever the sponsor or site requires one.
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Timelines that respect IRB calendars
Quotes answered the same business day, with firm timelines scoped to submission and site-activation deadlines.
Clinical trial documents carry regulatory and ethical weight that a general translation cannot meet. A mistranslated informed consent form, protocol amendment, or patient diary can delay an IRB submission, compromise consent, or put the integrity of the data itself in question.
Taika Translations translates the full document set a trial runs on — informed consent forms (ICF), protocols and amendments, investigator brochures (IB), patient diaries and ePRO/eCOA instruments, clinical study reports (CSR), site and recruitment materials, and IRB submissions — with translators experienced in clinical research subject matter and staff trained on confidentiality.
Built around what regulators expect
ICH E6 Good Clinical Practice, guideline 4.8 requires informed consent information to be in a language understandable to the subject. For the documents where that standard is highest — consent forms, patient-facing instruments — Taika offers back-translation and reconciliation, the independent-review step IRBs, ethics committees, and sponsors most often ask for.
The ICH E6(R3) Good Clinical Practice guideline (which reached ICH Step 4 in January 2025) sharpens the field’s focus on participant-centricity, quality-by-design, robust data governance, and proportionate oversight. Translation that keeps consent and patient materials genuinely understandable — not just linguistically correct — is part of meeting that bar.
What you can order
- Informed consent forms and assents — with back-translation and reconciliation on request.
- Protocols, amendments, and investigator brochures — consistent terminology across every version.
- Patient diaries, ePRO/eCOA, and recruitment materials — patient-facing language reviewed for readability.
- Clinical study reports and regulatory submissions — for multi-country filings.
Request a quote with your document set, target languages, and whether back-translation is required, and Taika will scope the workflow to your protocol.
- HIPAA-Trained Staff
- 5.0★ Google Rating
- Trusted by State & Federal Agencies
What we cover
- Informed consent forms (ICF) and assents
- Protocols and protocol amendments
- Investigator brochures (IB)
- Patient diaries and ePRO/eCOA instruments
- Clinical study reports (CSR)
- Site and recruitment materials
- IRB and ethics committee submissions
Quality & confidentiality
- Translation by a linguist experienced in clinical research, with program-level terminology maintained across versions
- Independent edit and proofread by a second qualified linguist — verified against the source
- Back-translation and reconciliation on request for patient-facing documents; NDA available throughout
What clients say
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“Impeccable expertise and a flawless manner of doing business, all topped with a heartwarming attitude.”
Sergey P. · client since 2019
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“Excellent 24/7 communication and engagement. Couldn't be happier about the cooperation.”
Fazil · project client
Credentials & registrations
- HIPAA-Trained Staff
- GSA Schedule Holder
- NASPO ValuePoint
- Veteran-Owned (VOSB)
- SAM.gov Registered
- Meets ISO 17100 · 9001 · 27001
- ATA-Certified Translators
- 5.0★ Google Rating
Frequently Asked Questions
Why does informed consent translation matter so much in clinical trials?
ICH E6 Good Clinical Practice guideline 4.8 requires that the informed consent form and related information be in a language understandable to the trial subject. A consent document a participant cannot fully read undermines both ethics review and the validity of the consent, so informed consent forms are translated with particular care and, where required, back-translated and reconciled.
What is back-translation, and when do you use it?
Back-translation is an independent translation of the target text back into the source language, compared against the original to surface meaning discrepancies. It is commonly requested by IRBs, ethics committees, and sponsors for informed consent forms, patient-reported outcome instruments (ePRO/eCOA), and patient diaries. Tell us if your protocol requires it and we build reconciliation into the workflow.
Can you handle a multi-country trial across many languages at once?
Yes. Taika coordinates multi-language trial translation with consistent terminology across all target languages, managed as a single program. Request a quote with your country and language list, document set, and timeline.
Who translates clinical trial documents — are they qualified?
Projects are assigned to professional linguists experienced in clinical research content, and every translation is independently edited and proofread by a second qualified linguist. We use ATA Certified translators whenever the client or content requires or requests it.
How is confidentiality handled for unpublished study data?
Protocols, investigator brochures, and study reports move through secure transfer and are handled only by the assigned team, with staff trained on confidentiality. Taika signs a non-disclosure agreement whenever the sponsor, CRO, or site requires one.
How quickly can trial documents be translated?
Quotes are answered the same business day and include a firm timeline scoped to your document set and language list. Tell us your IRB submission or site-activation deadline and Taika will confirm the schedule — including the extra time back-translation and reconciliation add — before you commit.
Ready when you are
Prefer to talk? Call +1 830-355-2205 or +1 865-258-7903, quotes returned same business day.
Reviewed by Margarita Ehlinger, Chief Project Manager — updated