Two Distinct Services
Understanding the Difference
These are related but distinct processes. Knowing which applies to your document type ensures you receive the right service — and the right documentation for your submission.
For COA & PRO Instruments
Linguistic validation is a structured, multi-step process — defined by ISPOR guidelines and required by EMA and FDA — that ensures a patient-reported outcome instrument is linguistically accurate, culturally equivalent, and conceptually consistent with the source.
It is the gold standard for COA instruments and involves multiple independent linguists, cognitive debriefing with target-population participants, and formal documentation at every stage.
Applies to:
PRO instruments and questionnaires
eCOA and ePRO materials
ClinRO and ObsRO instruments
Health-related quality of life (HRQoL) measures
For Clinical & Regulatory Documents
Independent translation review is a rigorous back-translation and bilingual review process performed by a qualified specialist linguist with no prior involvement in the translation. It confirms accuracy, completeness, and fitness for regulatory purpose.
Every ITR project includes a formal written review report and a signed Certificate of Translation Quality — submission-ready for EMA, MHRA, and ICH-compliant packages.
Applies to:
Pharmacovigilance documentation (AE narratives, ICSRs, PSURs, RMPs)
Clinical trial materials (ICFs, patient information sheets, CSRs)
Regulatory submissions (CTD modules, SmPC, PILs, labelling)
Medical device documentation (EU MDR / IVDR)
Who Needs It
Designed for
Regulated Environments
Pharmaceutical and biotech companies preparing multilingual regulatory submissions to the EMA or MHRA
CROs managing multilingual clinical trials requiring validated patient-facing or site-facing materials
Regulatory affairs teams requiring documented evidence of translation quality for submission packages
Organisations using machine translation or post-edited MT who require independent human review and certification
Medical device manufacturers requiring translation validation under EU MDR / IVDR
Scope
Document Types We Cover
LV applies to COA/PRO instruments. ITR applies to clinical and regulatory documents. Both services include formal written documentation and a signed certificate.
Patient-Reported Outcomes
COA & PRO Instruments
PRO instruments and questionnaires
eCOA and ePRO materials
ClinRO and ObsRO instruments
HRQoL measures
Cognitive debriefing coordination available
Full LV methodology per ISPOR guidelines. Includes forward translation, reconciliation, back-translation, and cognitive debriefing.
Pharmacovigilance
Safety & AE Documentation
Adverse event (AE) narratives
Individual Case Safety Reports (ICSRs)
Periodic Safety Update Reports (PSURs)
Risk Management Plans (RMPs)
Back-translation and bilingual review. Signed Certificate of Translation Quality issued.
Clinical Trials
Trial & Study Materials
Informed consent forms (ICFs)
Patient information sheets
Clinical study reports (CSRs)
Protocol documents and amendments
Back-translation and bilingual review. Signed Certificate of Translation Quality issued.
Regulatory Submissions
EMA, MHRA & ICH
Common Technical Document (CTD) modules
Summary of Product Characteristics (SmPC)
Package leaflets (PILs)
Labelling and instructions for use
Back-translation and bilingual review. Signed Certificate of Translation Quality issued.
Methodology
Our Process
The steps below apply to both LV and ITR projects. For full LV, cognitive debriefing (Step 3b) is included. For ITR, the process concludes at Step 5 with a Certificate of Translation Quality.
Scope Assessment
We review the source document, target language, intended use, and applicable regulatory framework — and confirm whether LV or ITR is the appropriate service.
Independent Specialist Assignment
A subject-matter specialist linguist is assigned with no prior involvement in the translation — ensuring structural independence, not just procedural.
Back-Translation & Bilingual Review
A blind back-translation is produced and reconciled against the source. For LV projects, forward translation and reconciliation precede this step per ISPOR methodology.
Cognitive Debriefing (LV only)
For full LV projects, cognitive debriefing interviews are conducted with native-speaking participants from the target population to confirm conceptual equivalence and cultural appropriateness.
Formal Review Report
A written report documenting findings, issues identified, resolutions applied, and confirmation of suitability for intended regulatory or clinical use.
Signed Certificate
A Certificate of Validation (LV) or Certificate of Translation Quality (ITR) is issued — ready for inclusion in your EMA, MHRA, or internal QA submission package.
Not sure which service you need?
If your document is a patient questionnaire or COA instrument, you need LV. For everything else — ICFs, ICSRs, CTDs, PILs — ITR is the correct process.
Ask UsCredentials
Why TranslationsInLondon
ITI Corporate Members
Subject to the ITI Code of Professional Conduct. Clients can verify membership independently via the ITI directory.
ISO 17100 Aligned
Our quality management processes follow ISO 17100 requirements for translation services.
Human Only — No MT
No machine translation at any stage. Every validator is a qualified, native-speaking specialist in their field.
Genuine Independence
Validators are never the same person as the translator. Independence is structural, not just procedural.
Formal Documentation
Written review report and signed certificate issued for every project — submission-ready for EMA, MHRA, or internal QA files.
London-Based
Available for client audits, regulatory team calls, and in-person meetings across London and the UK. See our approach to quality.
Related Services
You may also need
Medical Translation
Specialist translation of clinical, regulatory, and pharmacovigilance documents by qualified life sciences linguists.
Our Quality Process
How our four-eyes TEP process and strict no-MT policy ensure accuracy across every project we handle.
Editing & Proofreading
Independent editing and proofreading of translated documents by specialist linguists — for non-regulated quality assurance.
Get Started
Request a Scope Assessment
LV is quoted per project following scope assessment. ITR is quoted per word or per hour depending on document type and volume. Contact us to discuss your project and we will confirm the right service and provide a quote.
TranslationsInLondon Ltd · 5 Percy Road, Old Isleworth TW7 7HD · Company No. 07320896 · ITI Corporate Members