Securing ethics approval is crucial for any research project involving human participants, sensitive data, or animal research. It protects participants’ rights, safety and well-being while safeguarding the reputation of both the project and its institution. Committees like Human Research Ethics Committees (HRECs) must sign off on the project before work begins.

Problems that delay ethics approval can lead to significant setbacks, including missed deadlines, issues with funding, and challenges in recruiting participants. There is also the potential for non-compliance with institutional or regulatory rules, which may draw extra scrutiny or even put your project on hold.

To avoid these problems, researchers, institutions, and committees should be aware of the common causes of approval delays and find ways to address them. Using OmniStar’s ethics management and compliance software helps to streamline ethics approval processes in numerous ways.

Common problems that delay ethics approval

Obtaining ethics approval is a precursor to most research projects, yet many are affected by delays that impact associated timelines and budgets.

Incomplete or Inaccurate Applications

One major culprit that prevents the timely approval of an ethics application is a submission which contains multiple errors, missing documents, or mismatched information. When forms have inconsistencies or missing attachments, the ethics committee may need extra review cycles, slowing approval.

Non-adherence to Ethical Guidelines

Ethics committees must follow strict guidelines, including consent procedures and data privacy measures. If your proposal does not meet these benchmarks, it may require extensive revisions or even be turned down, delaying the process. OmniStar’s research administration and management software feature content validation and mandatory fields to reduce the chance of submitting forms that do not meet these guidelines.

Inefficient Communication Channels

Poor communication between researchers and the ethics review board or other reviewers can lead to multiple back-and-forth interactions. Unclear feedback or misunderstood questions often draw out the approval timeline.

The committee-side constraints that cause delays

While the focus is often on the applicant side, committee constraints can still lead to significant delays. Committees come up against challenges such as limited availability and the need to meet quorum requirements, slowing down review timelines. High volumes of submissions relative to committee staffing, manual agenda preparation and scheduling conflicts only add to the burden. Committees also often juggle multiple priorities that all compete for attention, such as new submissions, amendments and renewals.

By flagging capacity and process constraints, institutions are better equipped to manage the expectations of both applicants and committees. Collaboration becomes smoother, and timelines become more realistic.

Delays caused by amendments, renewals, and ongoing oversight

After the initial approval, delays arise from amendments, renewals and ongoing monitoring of research. Common challenges include amendments that lack sufficient justification or clarity, which can trigger additional review cycles. Lapsed approvals due to missed renewal deadlines or failure to submit timely reports will also slow operations.

It’s not just larger amendments that create problems that delay ethics approval; repeated minor amendments will eventually accumulate and cause a cascading effect on approval timelines.

It’s important to plan for these delays by documenting any amendments and monitoring renewal deadlines. Ongoing oversight - including adverse event reporting and protocol deviations - must be consistently addressed to avoid further unnecessary delays.

Risk-based review pathways (why some approvals take longer)

Not all ethics approvals are created equal. Low-risk submissions typically undergo a faster, expedited reviews process, while higher-risk research requires a full committee review, which naturally takes longer due to the additional scrutiny. It’s important to understand the differences between low-risk, expedited and full committee reviews, and most importantly why certain projects may face longer timelines because of risk.

By aligning the quality of submissions with the appropriate review pathway, researchers can create a smoother process that’s free from inappropriate or incomplete submissions.

Strategies to avoid ethics approval delays and streamline research ethics approval

Delays can disrupt funding and participant recruitment, but you can adopt practical steps to keep things on track. Below are key strategies to help researchers, committees, and institutions speed up approval times, cut revisions, and boost overall efficiency.

Upfront planning that prevents ethics delays

The key to avoiding problems that delay ethics approval is always proactive planning. From the outset of the study design, researchers should fully map out ethics requirements, align protocols and consent materials, and ensure data plans meet ethical standards.

Before submission, all core documents should be aligned and consistent, including protocols, consent forms, participant information sheets and data management plans. Inconsistencies between documents are a common cause of ethics queries and can quickly extend review timelines.

Pre-submission checks and internal reviews also play an important role in catching gaps or missing documentation before formal review. For multi-site or multi-jurisdiction studies, early coordination avoids delays caused by differing governance requirements.

Strong upfront planning reduces revisions, improves submission quality, and leads to faster, more predictable ethics approvals.

Ensure application accuracy

Using a modern ethics management system that enables the design and build of dynamic forms configured to allow data validation before submission provides applicants with immediate feedback and enables the correct information to be captured the first time. OmniStar’s SmartForms help ensure applications are complete and consistent by reducing the amount of manual effort required to validate, and showing only the relevant fields applicants are required to complete.

Align with ethical standards

Ethics committees rely on regulations like the NHMRC’s National Statement on Ethical Conduct in Human Research (Australia). Applications that deviate from or application forms that do not guide applicants to include these standards make review and approval of applications more challenging, leading to rejections or more review cycles. OmniStar’s SmartForms and audit tracking, combined with the inbuilt HREA (including state-specific modules) form ensure applications align with these requirements, and provide out-of-the-box review templates, automated compliance checks, and guided workflows.

Use technology to streamline processes

Manual approaches, paper submissions and slow workflows can stall ethics approvals. Shifting to digital solutions and automation can cut waiting times and lighten administrative loads. OmniStar shares review tasks among committee members, automates annual report reviews, and eliminates manual intervention from administrators. This reduces errors and helps approvals move faster.

Transparency and Visibility as Delay-reduction Tools

On top of using technology to automate processes, delay reductions also come from greater transparency and visibility throughout the approval process. Real-time tracking of application status enables applicants and administrators to see where the process stands and what actions are required next. Clear ownership of next steps and centralised records of feedback and decisions help to avoid miscommunications, as well as reduce reliance on lengthy email follow-ups.

Improving visibility means smoother workflows, and that means a faster, more efficient ethics approval process.

Distinguishing avoidable vs. unavoidable delays

You can’t avoid every delay, so it’s important to distinguish between the ones you can and the ones you can’t control. Some can be minimised with better planning, whereas some are inherent to the process.

Avoidable delays often stem from issues such as incomplete documentation, poor coordination, or missed deadlines. Unavoidable delays usually come as a result of structural factors, such as committee schedules, the need for risk-based review, or compliance with regulations.

Streamline research ethics approvals with OmniStar

Keeping research projects ethical, on schedule, and within budget should be a goal for every institution. Manual errors and miscommunication can drag out approval timelines and delay research activities. OmniStar automates and simplifies ethics approval so applications stay accurate, compliant and processed efficiently.

SmartForms reduce errors in submitted applications, while streamlined workflows keep applications moving forward by automating review allocations amongst committee members. Notifications inform applicants of a change of status or next action pending on them. This helps your research team cut admin overhead and speed up approvals. Don’t let avoidable delays hold you back. Book a demo or contact us today to see how OmniStar can help you achieve faster, smoother ethics approvals.

In addition, you can learn more about ethics in research to ensure your project adheres to the highest standards.

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Frequently asked questions

Common causes include incomplete applications, missing documentation, unclear information, non-compliance with ethical guidelines, and delays caused by communication gaps between researchers and committees.

Ethics management software helps streamline approvals by automating workflows, validating information before submission, improving communication, and providing visibility into application status. This reduces administrative delays and helps researchers and committees manage approvals more efficiently.

Researchers can reduce delays by preparing complete and accurate applications, aligning documentation with ethical requirements, planning for review timelines, and using tools that support consistent submission processes.

Delays in research ethics approval can occur for several reasons, including incomplete applications, missing documentation, inconsistencies between submitted materials, or failure to address required ethical considerations. Delays can also arise from committee capacity constraints, such as meeting schedules, quorum requirements, high submission volumes, or competing priorities such as amendments and renewals.

Proactive planning, clear documentation, and structured workflows can help reduce avoidable delays and support a smoother review process.

The timeframe for ethics approval varies depending on the type and complexity of the research, the level of risk involved, and the requirements of the reviewing committee. Low-risk applications may move through a faster review pathway, while higher-risk research typically requires more detailed assessment and full committee review.

The quality and completeness of the submission can also influence timelines. Applications that require clarification, additional documentation, or multiple review cycles will generally take longer to approve.

A Human Research Ethics Committee (HREC) is a committee responsible for reviewing research involving human participants to ensure it meets ethical standards and protects participant safety, rights, and wellbeing.

HRECs assess research proposals against ethical guidelines, including considerations around informed consent, privacy, risk management, and participant protection. In Australia, HRECs commonly operate in line with the National Statement on Ethical Conduct in Human Research.

Low-risk and full committee reviews are different pathways based on the level of potential risk associated with a research project.

Low-risk research generally involves minimal potential harm to participants and may be eligible for a faster review process. Higher-risk research requires more detailed assessment and is typically reviewed by the full ethics committee to ensure appropriate safeguards are in place.

The review pathway helps ensure that research receives an appropriate level of oversight while maintaining participant protection and research integrity.

OmniStar helps reduce avoidable delays by improving the accuracy, visibility, and consistency of ethics approval processes. SmartForms help applicants provide complete information by guiding submissions and reducing errors before review.

The platform also supports structured workflows, automated notifications, committee management, and centralised records, making it easier for researchers, administrators, and reviewers to track progress and manage next steps.

By reducing manual administration and improving transparency throughout the approval process, OmniStar helps institutions create more efficient and predictable ethics workflows.

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