Systematic Review Protocol Writing Service | Research Gold
Systematic Review Protocol Writing Service and PROSPERO Registration
A systematic review protocol writing service prepares your a priori review plan to PRISMA-P 2015 standards and drafts your PROSPERO registration record, then hands both to you so you file under your own PROSPERO account and stay the named registrant. It fixes your review question with PICO or PICOS, defines eligibility criteria, plans the full search strategy, and specifies screening, data extraction, risk-of-bias, GRADE, and synthesis methods before any study is screened. Prospective registration reduces bias, prevents selective reporting, and satisfies journal and funder requirements.
A systematic review protocol writing service prepares your a priori review plan to PRISMA-P 2015 standards and drafts your PROSPERO registration record, then hands both to you so you file under your own PROSPERO account and stay the named registrant. It fixes your review question with PICO or PICOS, defines eligibility criteria, plans the full search strategy, and specifies screening, data extraction, risk-of-bias, GRADE, and synthesis methods before any study is screened. Prospective registration reduces bias, prevents selective reporting, and satisfies journal and funder requirements.
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PRISMA-P 2015
A priori protocol, every reporting item
Get a PRISMA-P protocol and a PROSPERO record built by a PhD methodologist, ready to file under your own account. Request a project quote.
A priori protocols are the foundation of a defensible systematic review
A systematic review protocol writing service prepares the complete, prospective plan for your review before a single record is screened, then drafts the matching PROSPERO registration entry and hands both to you to file under your own account. The protocol is the document that locks in your objectives, eligibility rules, search plan, and analysis methods in advance, and it is what separates a rigorous evidence synthesis from an ad hoc literature summary. Research Gold builds each systematic review protocol to the PRISMA-P 2015 reporting standard under the direction of a PhD methodologist, so that your finished review is transparent, reproducible, and publishable in journals that demand a registered plan.
The reason an a priori protocol matters is mechanical, not ceremonial. When you decide your outcomes, subgroups, and analysis choices before you see the data, you remove the opportunity to shape decisions around results you happen to like. This is what curbs selective outcome reporting and analytical flexibility, the two failure modes that most often undermine a review at peer review. A protocol written after screening has already begun cannot make that claim, which is why prospective timing is as important as the content itself.
What a systematic review protocol actually specifies
A protocol is not a summary of intent; it is a decision record that a second team could follow to reproduce your review. A complete plan states the rationale and objectives, the exact review question, the eligibility criteria, the databases and search strings, the screening and extraction workflow, the tools used to appraise study validity, the certainty framework, and the intended synthesis. Every choice that could later be contested is settled here, in writing, with dates.
Dr. Elena Vasquez, PhD in Clinical Epidemiology, leads methodology review on this service and checks each protocol against the checklist item by item. That checklist covers administrative information, the introduction and objectives, and the methods section in granular detail: information sources, search strategy, study records and data management, selection and collection processes, data items, outcomes and prioritization, risk-of-bias assessment, data synthesis, meta-bias assessment, and confidence in cumulative evidence. A protocol that omits any of these is incomplete, and reviewers notice.
How it works
Our systematic review protocol and prospero registration process
Each project follows the same five steps so you know exactly where your work is at any point.
1
Question framing
We sharpen your review question into a PICO or PICOS structure with clear eligibility criteria.
2
Protocol draft
A full PRISMA-P 2015 protocol: objectives, search plan, screening, extraction, and analysis methods.
3
Bias and certainty plan
We pre-specify the risk-of-bias tool and the GRADE certainty approach before any screening begins.
4
PROSPERO record
We complete every required PROSPERO field and hand you the record to file under your own account.
5
Amendments
What you receive
Every systematic review protocol and prospero registration order ships with
Full PRISMA-P 2015 protocol document
PICO or PICOS question with eligibility criteria
Planned search strategy for every database
Screening, extraction, risk-of-bias, and GRADE plan
Completed PROSPERO record for you to file under your account
Verified client reviews
What clients say about our systematic review protocol and prospero registration
Ready to Request a Quote?
PRISMA-P 2015 protocol • PROSPERO-ready record • You remain the registrant and author • Mutual NDA on request.
This work sits upstream of the full end-to-end systematic review service, which executes the plan the protocol defines. Many clients commission the protocol first, register it, then bring us back for screening, extraction, and synthesis once the plan is locked.
Framing the review question with PICO or PICOS
Everything downstream depends on a well-formed question. We frame it using PICO for questions of intervention effect, or PICOS when study design is itself an inclusion boundary. Population, Intervention, Comparator, and Outcome define the clinical or conceptual scope; adding Study design as the fifth element tells the reader which evidence you will admit and which you will exclude before eligibility screening begins.
A precise question is what makes eligibility criteria unambiguous. When the Population is defined by age band, diagnosis, and setting, a screener knows instantly whether a record qualifies. Vague questions produce inconsistent screening decisions and inter-rater disagreement that inflates your review timeline. We translate each element of the question directly into inclusion and exclusion rules, so the criteria are not a separate act of invention but a restatement of the question in operational terms.
The full search-strategy plan
The search strategy is the part of a protocol that peer reviewers scrutinize hardest, because an incomplete search invalidates the entire review no matter how careful the later steps are. The protocol names every information source: the bibliographic databases, typically MEDLINE, Embase, the Cochrane Central Register of Controlled Trials, and subject-specific indexes, plus trial registries, grey literature sources, and the reference lists you will hand-search. It documents at least one full electronic search string, usually the MEDLINE line-by-line strategy, so the search is reproducible and auditable.
We build controlled-vocabulary terms such as Medical Subject Headings alongside free-text synonyms, and we plan the handling of date limits, language restrictions, and any filters. If your review needs a bespoke string, our search strategy design service develops and peer-reviews the full syntax across each database platform, since a string that works in one interface rarely transfers unchanged to another.
Screening and data-extraction plans
The protocol specifies how records move from raw search results to included studies. It states that two reviewers will screen independently at title and abstract stage and again at full text, how disagreements are resolved, and whether a third reviewer arbitrates. It commits you to reporting the flow of records in a PRISMA flow diagram, and our free PRISMA flow diagram generator lets you produce that figure once your numbers are final.
The data-extraction plan names the variables you will collect from each study: population descriptors, intervention details, outcome definitions and time points, effect estimates with their measures of variance, and funding sources. Defining the extraction form in the protocol prevents the mid-review temptation to add or drop variables to suit emerging findings, which is another route to bias that a registered plan forecloses.
Risk-of-bias and certainty of evidence
A protocol must name the appraisal instrument before appraisal begins. For randomized trials that usually means the Cochrane risk-of-bias tool; for non-randomized studies of interventions, ROBINS-I; for diagnostic accuracy, QUADAS-2. The point is to fix the standard in advance so that no study is judged by a rule invented after its result is known.
Separately, the protocol commits to a certainty framework, almost always GRADE, to rate confidence in the body of evidence for each outcome. GRADE assessment considers risk of bias, inconsistency, indirectness, imprecision, and publication bias, and it produces the summary-of-findings table that clinicians and guideline panels actually read. Specifying GRADE in the protocol signals to reviewers that your conclusions will be graded, not merely stated.
Planned synthesis: narrative or meta-analysis
The protocol declares, in advance, whether you intend a narrative synthesis or a quantitative meta-analysis, and it states the conditions under which each applies. This is a genuine methodological decision, not a formality. If studies are too clinically or methodologically heterogeneous to pool, forcing a summary effect estimate is misleading, and the protocol should say so and describe a structured narrative approach instead.
When pooling is appropriate, the protocol names the effect measure, the model, fixed-effect or random-effects, the method for quantifying heterogeneity such as the I-squared statistic, and any planned subgroup or sensitivity analyses. Pre-specifying subgroups is what makes them credible; subgroups discovered after seeing the data are hypothesis-generating at best. Our meta-analysis and statistical pooling service executes these analyses once the protocol is registered, and the wider evidence synthesis service covers scoping reviews, umbrella reviews, and mixed-methods designs where the synthesis plan differs.
How PROSPERO registration works
PROSPERO is the international prospective register of systematic reviews, maintained by the Centre for Reviews and Dissemination at the University of York. It accepts reviews with a health-related outcome, and registration is intended to happen before you begin screening, which is what makes it prospective. A registered record gives your review a permanent registration number and a public timestamp that proves your methods were set in advance.
Registration requires a defined set of fields: the review title, an anticipated or actual start and completion date, the named review team and their affiliations, the funding sources, the review question, the searches planned, the condition or domain being studied, the participants and interventions, the outcomes, the data extraction and risk-of-bias methods, and the planned synthesis. These fields map almost one to one onto a PRISMA-P protocol, which is why a well-built protocol makes registration fast rather than painful. Our free PROSPERO field formatter reshapes your protocol content into the exact structure the submission form expects.
Prospective registration strengthens credibility because it is verifiable. Editors and readers can compare your published review against what you registered and see whether outcomes were added, dropped, or reordered. Many journals now require a registration number at submission, and some will not send an unregistered review out for peer review at all. For grant applicants, a registered protocol is concrete evidence that the methodology is planned and defensible, and it strengthens the methods section of a funding application; our grant methodology support service integrates protocol and registration into the proposal itself.
You remain the registrant and author
This is the part clients ask about most. We prepare the systematic review protocol and the complete PROSPERO registration record, then we hand both to you to submit under your own PROSPERO account. You are the registrant. You are the corresponding author on the protocol. Your name and your institution appear on the public record. We do not file on your behalf, and we do not attach our name to your registration, because the intellectual ownership of the review is yours and the register is meant to reflect the people who will conduct the work.
This matters for authorship integrity and for the way universities and funders view the record. A PhD candidate who registers under their own account has a citable, permanent artifact tied to their name from the outset of their doctorate. A clinical research team keeps its institutional affiliation front and center. We provide the methodological engineering; you hold the credit and the accountability.
Protocol amendments and version control
Reviews change. A database returns a term that must be refined, an outcome definition needs tightening, or a planned subgroup turns out to be unpopulated. None of this is a problem, provided every deviation from the registered plan is recorded as a dated protocol amendment rather than a silent edit. PROSPERO keeps a full version history, and each change is timestamped and preserved, so transparency is maintained even as the plan evolves.
We set up your protocol with clear version control from the start: a version number, a revision date, and a change log that states what changed and why. When you later report the review, you can describe each amendment honestly, which is exactly what PRISMA expects in the section on differences between the protocol and the review. Silent, undocumented changes are what damage credibility; documented, justified ones do not.
Who this service helps
PhD candidates use protocol development to anchor a thesis chapter or a first-author publication with a registered, defensible plan. Clinical researchers use it to satisfy journal registration requirements and to coordinate a multi-reviewer team around one agreed method. Grant applicants use a registered protocol to demonstrate methodological readiness to funders and to lift the rigor of the proposal. In every case the goal is the same: a plan precise enough that the review can be executed by a team, judged by a reviewer, and reproduced by a stranger. When you are ready to scope your protocol, request a project quote and a methodologist will map your question to a PRISMA-P plan and a PROSPERO record.
Frequently Asked Questions
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No, and this is deliberate. We prepare the complete protocol and format the full PROSPERO record, then hand it to you to submit under your own PROSPERO account. You remain the named registrant and the author, which keeps the intellectual ownership and the public credit with you and your institution.
The protocol is the plan written before screening begins; the review is the execution of that plan. The protocol commits you in advance to your question, eligibility criteria, search strategy, and analysis methods, while the review reports what you found when you followed them. Writing the protocol first is what makes the review defensible against claims of bias.
PROSPERO accepts systematic reviews that have at least one health-related outcome, so most clinical, public-health, and biomedical reviews qualify. Reviews with no health-related outcome fall outside its scope, and we will tell you at the outset if your topic is not eligible and suggest an alternative way to timestamp your protocol.
PROSPERO is designed for prospective registration, meaning before screening begins, and registering late weakens the credibility that prospective timing provides. You can still register a review that has started, but you must declare the actual stage honestly on the record. We strongly recommend commissioning the protocol early so registration is genuinely prospective.
We build every protocol to the PRISMA-P 2015 checklist, which covers administrative information, the introduction, and a detailed methods section including information sources, the search strategy, risk-of-bias assessment, and the synthesis plan. Dr. Elena Vasquez reviews each protocol item by item against that checklist before it is delivered.
The protocol states the conditions under which each applies rather than assuming one in advance. If the anticipated studies are likely to be too clinically or methodologically heterogeneous to pool, we plan a structured narrative synthesis; if pooling is appropriate, we pre-specify the effect measure, model, and heterogeneity assessment. Committing to this logic before seeing the data is what keeps the eventual choice credible.
Changes are normal and acceptable as long as they are recorded as dated protocol amendments rather than silent edits. PROSPERO keeps a full timestamped version history, and we set up your protocol with a version number and change log so every deviation is documented with its rationale. You then report those amendments transparently when you publish the review.
Yes. For grant applicants, a registered protocol is concrete evidence that the methodology is planned and defensible, which strengthens the methods section of a proposal. For PhD candidates, registering under your own account gives you a permanent, citable artifact tied to your name from the start of the doctorate, and it anchors a thesis chapter or first-author publication.
When your review question is ready to become a registered, defensible plan, request a quote and a methodologist will map it to a PRISMA-P protocol and a PROSPERO record you file under your own name.
Methodology reviewed by
Dr. Elena Vasquez
Founder & Lead Methodologist
Cochrane ReviewsClinical EpidemiologyGRADE
PhD in Clinical Epidemiology. Twelve years in evidence synthesis across cardiology and infectious disease. Personally signs off on every protocol before screening begins.
Version-controlled updates if the protocol changes, with a documented amendment trail.
Version-controlled amendments if the protocol changes
5.0 / 5
(2 verified reviews)
“Supply chain and E-commerce”
KSBA R.
Reviews are collected through /leave-a-review and moderated before publication.
“the process went very smooth the work was deliverd on time and it was very perfcetly done and the changes were also made on time and as guided . Thank you so much for your work done on time and with good efforts .”
