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Current state of rare disease registries and databases in Australia: a scoping review



Rare diseases (RDs) affect approximately 8% of all people or > 400 million people globally. The Australian Government’s National Strategic Action Plan for Rare Diseases has identified the need for a national, coordinated, and systematic approach to the collection and use of RD data, including registries. Rare disease registries (RDRs) are established for epidemiological, quality improvement and research purposes, and they are critical infrastructure for clinical trials. The aim of this scoping review was to review literature on the current state of RDRs in Australia; to describe how they are funded; what data they collect; and their impact on patient outcomes.


We conducted a literature search on MEDLINE, EMBASE, CINAHL and PsychINFO databases, in addition to Google Scholar and grey literature. Dissertations, government reports, randomised control trials, conference proceedings, conference posters and meeting abstracts were also included. Articles were excluded if they did not discuss RDs or if they were written in a language other than English. Studies were assessed on demographic and clinical patient characteristics, procedure or treatment type and health-related quality of life captured by RDRs or databases that have been established to date.


Seventy-four RDRs were identified; 19 were global registries in which Australians participated, 24 were Australian-only registries, 10 were Australia and New Zealand based, and five were Australian jurisdiction-based registries. Sixteen “umbrella” registries collected data on several different conditions, which included some RDs, and thirteen RDRs stored rare cancer-specific information. Most RDRs and databases captured similar types of information related to patient characteristics, comorbidities and other clinical features, procedure or treatment type and health-related quality of life measures. We found considerable heterogeneity among existing RDRs in Australia, especially with regards to data collection, scope and quality of registries, suggesting a national coordinated approach to RDRs is required.


This scoping review highlights the current state of Australian RDRs, identifying several important gaps and opportunities for improvement through national coordination and increased investment.


Rare diseases (RDs), by definition, affect fewer than five in 10,000 people [1, 2]. Estimates of the total number of RDs vary between countries and studies, due to differing definitions and challenges with data collection. However, it is cited that there are more than 7000 different RDs [3]. Approximately 80% of RDs are of genetic origin. As genomic technology evolves, new RDs are discovered regularly [1]. Although individual RDs are rare, the total number of Australians living with a RD is sizeable. Approximately 8% of Australians live with a RD, equating to around two million people [4].

RDs often manifest in childhood and become chronic; some are life threatening and others lead to significant disability [5, 6]. Diagnosis of RDs is often delayed, due to limited knowledge, lack of exposure to and awareness of healthcare professionals to RDs and uncertainty about referral pathways. Inherent features of RDs, including heterogeneity, complexity and low patient numbers result in a lack of data, evidence and knowledge [1], making data collection and registries critical for RDs.

Rare disease registries (RDR) are established to collect RD data and in some cases, monitor clinical outcomes [1, 7]. Registries, if populated with high-quality clinical data over extended periods of time, can assist with health service planning, epidemiological research, clinical trial recruitment and post-marketing drug surveillance [1, 8]. RDRs can play a vital role in understanding disease trajectories and help developing clinical trials for RD that meet safety and efficacy criteria despite low patient numbers; with many recruiting fewer than 100 patients worldwide [9].

The critical role of RDRs is globally recognised by the RD community and policy makers [1, 6, 10]. International experts jointly identified ten key principles of RDRs, including: the need for RDRs to be a global priority; the importance of scope and focus; interoperability and harmonisation; consistency through minimum core data elements; links with biobank data; inclusion of patient reported data; sustainability; and governance and building knowledge [11].

Nonetheless, in Australia, data for most RDs are not being captured through routine health information systems or registries, and there is no coordinated strategy to collect, measure, build and translate already existing information on RDs [1].

On behalf of the Australian Government, Rare Voices Australia (RVA), the national peak body for Australians living with a RD [12], led the collaborative development of the National Strategic Action Plan for Rare Diseases (the Action Plan) [13], which was informed by extensive multi-stakeholder consultation. The Action Plan was launched in February 2020 with bipartisan support and RVA is now leading its collaborative implementation. The Action Plan called for the development of a national, person-centred approach to RDRs to support national standards, best practice and minimum data sets. It further highlighted the need for investment into RDRs, which aligns with worldwide agreement on the value and importance of RDRs [13].

Under Pillar 3, Research and Data, of the Action Plan, Priority 3.1 calls on the sector to ‘Enable coordinated and collaborative data collection to facilitate the monitoring and cumulative knowledge of rare diseases, informing care management, research and health system planning’ [13]. The first step to this end is outlined in Implementation step, ‘Develop a summary report of all existing Australian and relevant international rare disease registries’ [13], which provided the impetus for this scoping review.

This scoping review investigates RDRs collecting Australian data in the literature, including an audit of what RDRs and databases exist in Australia, how they are funded, what data they collect and their impact on patient outcomes. It is the first step to understanding existing datasets and informing national coordination of RDRs that aligns with international best practice for RD data collection, including establishment of minimum data sets. A national approach to RDR’s in Australia would enable improved monitoring and the accumulation of knowledge about RDs to inform clinical practice, research, government investment in RD and health service planning [14]. Data collected should also inform planning and investment decisions for other government services and departments playing an essential role in the holistic care of patients, carers and families living with rare disease including, the National Disability Insurance Agency, Department of Communities and Housing, Department of Education, and other financial support services.



A protocol for this scoping review follows the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for scoping reviews (PRISMA-ScR) format [15].

Information sources

To identify relevant studies, we searched four databases: MEDLINE, EMBASE, CINAHL and PsychINFO, and the Google Scholar from inception through November 2022. Grey literature was also included. For each article selected for inclusion, abstracts and full articles were obtained. Reference lists of the included studies and systematic reviews were examined during the review. To capture as many relevant studies as possible, we did not establish a time frame for when articles were published. Dissertations, government reports, randomised control trials, conference proceedings, conference posters and meeting abstracts were included.

Search strategy

The search strategy was developed by three researchers (RR, MC and CM). We used Medical Subject Heading (MeSH) keywords and free text search terms. The most up to date version of Chrome Web browser was used in our searches. The database records and details of how the literature search was undertaken were maintained at each stage of the review process. Also, a manual search using Google and Google Scholar was performed. The key search terms were ([“rare” or “disease” or “rare diseases” or rare adj disease* or condition* or disorder* or illness* or infection* or diagnosis*] and [“genetic” or “genetic, population” or “genetics, medical” or “genetics, microbial” or “human genetics”] and [“registry” or “registries” or “database” or “dataset” or “library” or “record” or “archive”] and [“Australia” or “Victoria” or “New South Wales” or “South Australia” or “Western Australia” or “Tasmania” or “Queensland” or “Northern Territory” or “Melbourne” or “Sydney” or “Adelaide” or “Canberra” or “Hobart” or “Brisbane” or “Darwin” or “Perth”]). We adapted the search strategy to the search requirements of the remaining databases mentioned above. The terms were combined by means of Boolean operators.

Eligibility criteria

Quantitative and qualitative studies describing existing RDs and RDRs were included. International studies without Australian data, were excluded from this review, as they do not provide information on Australia’s RDR landscape. Furthermore, studies of diseases that are not rare were also excluded. Articles were excluded if they did not discuss a RD or if they were written in a language other than English.

Study selection

The study selection process was made up of two phases. In phase one, two researchers conducted the initial search of the literature (RR and CM). The second phase consisted of screening the literature, where three researchers (RR, MC and CM) independently screened the titles and abstracts of all articles identified through the search strategy to determine eligibility and classify studies as relevant, possibly relevant and irrelevant. Results were discussed by all researchers to resolve any inconsistencies in study selection and a final list of relevant studies were made.

Data management and analysis

The results from the database searches were extracted into EndNote™ X9 software, a management software for references that allows the identified references to be organized into different electronic databases. The results were combined into a single EndNote folder. Duplicated studies were identified and removed.

Data were extracted from relevant articles and internet material using a standardised data extraction form in Microsoft Excel. The main data points extracted include: objectives of the registry, details of registry management, population size, data captured by the registry, demographic or clinical or patient-reported outcome measures (PROMs) and quality of life (QoL) data, funding information, ethics and consent models of the registry.


General description of the literature

The search of MEDLINE, EMBASE, CINAHL and PsycINFO databases yielded in 741 documents (Fig. 1). A further 92 documents of grey literature were identified. After removing duplicates, 523 documents were screened for titles and abstracts. Of those, full copies of 75 relevant articles were retrieved. Fifty-four online publications (e.g. webpages and reports) of Australian RDRs and online databases were included. The screening of full-texts resulted in 49 publications. A total of 103 publications and online data sources were used in the data extraction and data analysis process.

Fig. 1
figure 1

Study flow. Details the flow of information through the different phases of the review; maps out the number of records identified, included and excluded

Publications included in the final review were published between 2002 and 2021. Five (10.2%) articles were published in 2017 and six (12.2%) were published in 2019, 2020 and 2021. The remaining articles were published between the 2002 and 2016.

Of the 49 publications used in the scoping review, 20 (40.8%) were published in Australia, seven (14.3%) were published in the United States (US), six (12.2%) in the Netherlands, two (4.1%) in the United Kingdom (UK) and one each (2.04%) was published in Japan and Canada.

Rare disease registries

Seventy-four different RDRs and databases were described in these studies (Table 1). Nineteen (25.7%) of those were global registries that included Australian data, 24 (32.4%) were Australian national registries and covered all jurisdictions, 10 (13.5%) were Australian and New Zealand (ANZ) and five (6.8%) were Australian state and jurisdiction-based registries. Sixteen (21.6%) “umbrella” registries, which represent numerous registries that have agreed to work under a unified registry, collected data from several RDs or conditions, which included some RDs. Thirteen (17.6%) registries stored data that were specific to rare forms of cancer.

Table 1 General description and characteristics of rare disease registries, databases and organisations identified in the scoping review

Most of the registries, 47 (63.5%), mentioned in these studies, were established in the 2000s. The Neuroendocrine Tumour Registry (PLANET) [16, 17], Friedreich’s Ataxia Global Patient Registry [18] and Huntington’s Disease Research Participant Registry [19, 20] were established most recently, in 2019.

Forty-two (56.8%) registries used solely an online web-based data entry method. While only five (6.8%) registries use either, both paper and online web-based data entry or paper-based data entry only.

Population size

The population size captured in each registry varied. At the time of this review, only 16 (21.6%) of the RDRs captured population of > 1000 patients. Five (6.8%) registries captured data of > 4000 patients. One registry, International Collaborative Gaucher Group (ICGG) Gaucher Disease Registry [21, 22], captured data of > 120,000 participants since it was established in 1994.

Data management

Data management varied among the RDRs identified in this scoping review. Within the global registries, most of the data were entered by patients, their caregivers or other family members. Six global registries were clinician-initiated with the data entered by clinicians (ICGG Gaucher Disease Registry [22], the Global Retrospective Registry for Danon Disease [23, 24], the International and SIOP-E Diffuse Intrinsic Pontine Glioma (DIPG) Registries [25, 26], the International Dysferlinopathy Registry [27] and the International Schwannomatosis Database [28]).

In ANZ and Australian national registries, most registries collect their data online, with data entry completed by clinicians and registry staff. However, two of the Australian patient registries, Australian Bleeding Disorders Registry (ABDR) [29] and the PLANET registry [17], direct patients to enter their data via a mobile application.

Limited information was available on data management of the jurisdiction-based or “umbrella” registries identified in this scoping review.

Data collected by the registries and databases

Most of the RDRs collected similar types of data, including patient demographics, clinical and diagnostic variables, procedure and treatment information, and PROMs.

Table 2 summarises data captured by RDRs and databases, described in this scoping literature review.

Table 2 Data captured by rare disease registries and databases

Demographic data

Demographic variables included given names, surnames, age, gender, country, address, email, phone number, death date, race/ethnicity, insurance, education, employment status, family history, next of kin, clinic and doctor’s details. The information was anonymised for most RDRs and databases. Individually identifying data was only collected in the International Niemann-Pick Disease Registry [30, 31]. As the development of the International Niemann-Pick Disease Registry is ongoing, the use of identified data will aid in the registries planning for linkages to clinical and patient datasets.

Diagnostic/clinical data variables

Diagnostic/clinical data variables generally included some or all of the following: (1) the presence of disease symptoms and clinical examination findings; (2) investigation findings such as pathology investigation and biopsy/cytology results, medical imaging investigations, genetic profile, and resulting date of diagnosis; (3) functional and behavioural status and support needs related to the disease; and (4) the presence of disease sequelae, including morbidity and death.

For paediatric RDs, a broader paediatric history was also often included (Table 2). Some clinical and diagnostic information was unique to each RDR. For example, the ICGG Gaucher Disease Registry [22, 32] collected additional details on biochemical and therapeutic characteristics, while the DIPG registry [25] captured symptom duration, cranial neve palsy, pyramidal signs, cerebellar signs, tumour material, imaging details, signs and symptoms and physical exam at diagnosis, response evaluations, central pathology review characteristics, and molecular profile. The Australian Bronchiectasis Registry records spirometry results, computerized tomography (CT) chest scans, radiology reports, airway cultures and pulmonary exacerbations as their baseline data [33, 34], while the Neonatal Alloimmune Thrombocytopenia (NAIT) records maternal and paternal testing result details [35, 36].

Treatment/procedure details

Disease management information included: (1) medical management, including medications; (2) surgical and procedural information; (3) exacerbation/critical care episodes; and (4) supportive care, such as nutritional and allied health interventions. This information was similar across all the registries; however, additional information was available for individual RDRs. Only three ANZ RDRs collected surgical procedures and treatment information.

PROMs and QoL data

PROMs and QoL data were captured by five global registries (ICGG [22], International Pachyonychia Congenita Research Registry [37, 38], GNE Myopathy Registry [39], Friedreich’s Ataxia Global Patient Registry [18], Immune Thrombocytopenia (ITP) Natural History Study Registry [40]), which captured physical and mental health, post-traumatic stress disorder symptoms, social activities and financial impact.

Only four ANZ RDRs captured PROMs and QoL information. These include the ANZ Fontan Registry [41], Myeloma and Related Diseases Registry (MRDR) [42], Lymphoma and Related Diseases Registry (LARDR) [43] and the Australasian Interstitial Lung Disease Registry (AILDR) [44]. Amongst the Australian RDRs, 24 registries collected PROMs. Similar to most RDRs discussed in this review, the specific PROMs collected varied depending on the registry.

Timing of data collection

Most global RDRs and databases captured data annually; however, some had specific data entry requirements. For example, the ICGG Gaucher Disease Registry collected data at multiple time points: (1) baseline (2 months before to 1 month following the date of imiglucerase initiation), (2) 10-year window (8.5–11.5 years), and 3) 20-year window (17–23 years) [22]. In the Global Angelman Syndrome registry participants may receive a request to update data periodically [45, 46]. The GNE Myopathy Registry [39] contacted their patients at 6 months and yearly. Friedreich’s Ataxia Global Patient Registry [18], Cantú Syndrome Registry [47, 48] and the International Pachyonychia Congenita Research Registry [37] collected data annually.

While there was limited data available on the timing of data collection throughout the ANZ RDRs, it was noted that the ANZDATA registry distributes an annual survey for all dialysis and transplant units in ANZ on the 31st of December [49]. The AILDR data are collected at baseline, and mortality data are reviewed every 6 months with dates of death and lung transplantation recorded as determined by clinical records and/or death certificates [44]. Families and carers in the Australian Rett Syndrome Database are invited to contribute information every 2–3 years about changes in the health or function of the individual with Rett syndrome for whom they care [50]. To assess patient outcomes in the Australian Calciphylaxis Registry (ACR) [51], following the initial 5-year period of data collection, all treating units are contacted for patient follow-up data, including calciphylaxis resolution and mortality. Other registries and databases capture data annually.

Registry reporting and funding

Annual reports, newsletters and research publications were the main reporting outputs for 32 (43%) RDRs identified in this review (Table 2). Funding the operations of the registries and databases varied from industry partners, non-profit charity organisations and fundraisers and government grants.


Registries are often established to describe patterns of care, and to understand variation in treatments and outcomes and predictors of prognosis and QoL. Establishing and maintaining a registry requires substantial resources, infrastructure and sustained funding [52].

The present scoping review examined publicly-available data on existing RDRs and databases that included Australian participants. The findings of this review are an important first step towards informing the development of a national framework for the RDRs in Australia.

Seventy-four different registries and databases of RDs collecting Australian data were identified; 19 of them were global registries, 24 were Australian-only registries, 10 were ANZ based, and five Australian jurisdiction-based registries. Sixteen “umbrella” registries collected data on several rare conditions, which included some RDs, and thirteen registries stored rare cancer-specific information.

The population size captured in each registry varied, with many being relatively small. This highlights the challenges associated with diagnosis and reporting, as few clinicians have experience in managing individuals with RDs. Lack of clinician awareness can lead to significant delays in diagnosis or individuals remaining undiagnosed, creating future RD data deficits [53].

Data management and entry varied among the RDRs, with data either being entered by patients/caregivers/family members, clinicians or by the registry staff. Most of the Australian-only RDRs identified in this review were clinician-led. For ultra RDs where patients are few, building a patient registry is an intuitive first step to determining the number of people affected, their geographical distribution and basic demographic and clinical characteristics of the disease. The scope of these registries may evolve over time, maturing from a community effort as a means for a basic understanding of patient and disease characteristics, to a supportive mechanism for research funding and attracting input from health service providers to registry data collection [54].

Identifying a common minimum data set for RDRs is a challenge due to the heterogeneous nature of RDs. The RDR data sets identified in our review generally comprised a variety of data elements within the domains of demographic; diagnostic/clinical; treatment/procedure and PROMs and QoL data, with individual variables being unique to RDs. In 2011, the European Commission funded the EPIRARE project (‘Building Consensus and Synergies for the European Union (EU) Registration of Rare Disease Patients’), prior to the establishment of a European Platform for RDRs, which aims to support a harmonized approach to European RDRs [55,56,57]. A ‘set of common data elements for Rare Diseases Registration’ was produced by a Working Group coordinated by the Joint Research Centre and composed of experts from EU projects: EUCERD Joint Action, EPIRARE and RD-Connect.

The European Platform on RD Registration (EU RD Platform; European Commission) identified 16 common data elements for the initial registration of people with RDs onto a RDR. These are grouped in the following categories:

  1. 1.


  2. 2.

    Personal information (date-of-birth, sex).

  3. 3.

    Patient status (alive, dead, long-term follow-up, opted out).

  4. 4.

    Care pathway (date of initial specialist contact).

  5. 5.

    Disease history (Age at symptom onset; age at diagnosis).

  6. 6.

    Diagnosis (Disease diagnosis, Genetic diagnosis, undiagnosed).

  7. 7.

    Research (contact for research, data for secondary use, biobank).

  8. 8.

    Disability (functioning, disability).

While a detailed mapping of each Australian registry’s dataset against elements was beyond the remit of this scoping review, a majority of identified RDRs collected items that aligned with the broad categories recommended by EPIRARE [58]. In addition, a number of RDRs in Australia collected follow-up clinical and patient-reported information.

PROMs and QoL data were captured only by some of the RDRs identified in our review. PROMs are increasingly being introduced into clinical registries in Australia, providing a person-centred perspective on the expectations and impact of treatment [59]. Including PROMs in clinical registries offers numerous advantages [60]. First, incorporation of the patient voice helps keep outcome measurements of care person-centred. Further, symptom burden, QoL and satisfaction with care are dynamic variables that cannot be recreated accurately through retrospection; they are essentially lost if not captured “in the moment”. PROMs data collection has also been supported by the EPIRARE [58].

Frequency of data collection was not consistent throughout the RDRs captured in this review. Determining regular intervals and time points for data capture in RDRs can be challenging due to low patient numbers and frequent loss to follow up. Overtime, retention of patients and providers can also be difficult, so registry developers should build in mechanisms for monitoring and follow-up [61].

RDR reporting information was not available for more than half of the RDRs identified in this review. This could be because these RDRs were not established with a purpose for quality improvement as an outcome [62]. This is a noteworthy limitation of many RDRs in Australia, that should be addressed by a more coordinated national approach, including alignment with the recently published National Strategy for Clinical Quality Registries and Virtual Registries [63].

Our review identified opportunities to learn from successful RDRs, as well as from those that have not been sustained. Established in 2009, the Australasian Registry Network of Orphan Lung Diseases (ARNOLD) is one example of an unsustainable registry [64]. ARNOLD aimed to provide prevalence data for multiple orphan lung diseases in both the paediatric and adult populations [64]. During its operation ARNOLD obtained national data relating to 30 rare and extremely rare lung diseases. However, the registry faced several barriers. Data were limited by the under-reporting of patient identifiers and other details. Only 35% of notifications to the registry included postcode, birthdate or patient initials, so duplicate notifications could not be identified, which may have led to over-reporting of some rare conditions. Another limitation of this registry was specific diseases were not well defined, so reporting relied on individual physician diagnoses, which may have led to inconsistencies. Nonetheless, the registry operators noted that many physicians recognised the importance of contributing to a web-based RDR to monitor quality of care [64].

An exemplar RDR is the Australian Cystic Fibrosis Data Registry (ACFDR) [65, 66]. The ACFDR has been funded, from its commencement, by Cystic Fibrosis Australia through a combination of fundraising, philanthropy and industry support. The ACFDR collects information from people with cystic fibrosis from the time of diagnosis to the time of death or lung transplantation. Data is entered into the registry by clinicians and data managers from 23 public centres. Data completeness has been enhanced over the last few years through an industry-sponsored data quality program, leading to increased acceptability of the data and increasing use for research and quality improvement. The success of the ACFDR is attributed to sustained funding over a prolonged period, broad clinical and community support, and experienced registry management.

The concept of a single national RDR or database in Australia is worth consideration and has been suggested previously [1]. National RDRs have been also established in other countries, including China [67], Italy [68] and other European countries [69]. In 2019, researchers in Slovenia developed a national RDR pilot informed by focus groups with experts from leading institutions in the field of RD [70]. The results indicated that effective development of a national RDR requires a series of systemic changes and many considerations [70].

The European Society for Immunodeficiencies (ESID) Registry was utilised as a platform for the German Network on Primary Immunodeficiency Diseases (PID-NET) to perform queries on RDRs and extract the data in the context of PID-NET [71, 72]. To interconnect RDRs the Open Source Registry System was implemented, based on a federated search functionality, ultimately making data from the ESID registry available in an interoperable manner and without losing sovereignty [73].

For several years, there have been activities ongoing in Germany under the Medical Informatics Initiative to digitally bring the hospitals together, combining the development of IT infrastructure, scientific research projects, as well as the promotion of junior researchers and education in medical informatics [74]. This initiative has been realized within five consortia of which two are mainly using Open-Source software [75], namely the consortia MIRACUM [76] and DiFUTURE [77]. They work on distributed data analysis using Data Shield [78] and the Personal Health Train [79], the latter designed for distributed machine learning. A combination of the aforementioned methods could potentially lead to a robust solution allowing RD data to remain within the registries without creating a new umbrella RDR, to use attachable structure leveraged by established tools, in order to interconnect RDRs nationally and internationally.

To achieve this in Australia, well-coordinated and well-funded efforts should involve all stakeholders, as well as alignment of all medical, organisational and technological aspects in accordance with the long-term public healthcare objectives and infrastructure for clinical trials. With differing perspectives on key issues related to RDRs, such as their sustainability, data custodianship, data entry requirements, and other challenges including limited patient numbers, a lack of infrastructure and workforce, funding sources and governance structures, the development of formal policies to support coordination and sustainability of Australian RDRs has been complex and difficult.

Such initiatives require behavioural, regulatory, financial, organizational, process, policy, clinical, and many other changes at all levels of the healthcare system. Dedicated funding should be allocated for eligible RDRs to support their reach to recruit every possible consenting patient across Australia and ensure full coverage of the eligible clinical population. Incentives for hospital and health services should encourage staff to continue dedicating their time to RD data collection. Investing in the infrastructure and staffing would assist in streamlining and simplifying the maintenance and data entry demands of new and existing RDRs across Australia. Finally, RDRs should be promoted in hospitals and relevant clinics, and collaborations with relevant international registries should be sought [13]. As we take steps towards a nationally coordinated approach we should leverage data and learnings from existing RDR captured in this review. Information regarding RDRs operating in Australia could be consolidated into a repository to support the development of new RDRs. Aligning with the previous work of EPIRARE and the EU RD Platform in defining a minimum data set, a national set of best practice principles for RDRs in Australia could be developed, using the ACFDR as an exemplar. This could include principles of success derived from this review, as well as individual RDR experiences, including:

  • Clinician-led, person-centred governance.

  • Low burden approvals.

  • Ongoing sustainable funding.

  • Low burden data collection & linkage with existing data sources.

  • Mechanisms for consumer contribution.

  • Prospective, incidence-focused registries that address knowledge gaps.

  • Enablement of multiple data uses, with consumer opt-out provisions.

  • Broad data uses, including for reporting, epidemiology, secondary research, access to clinical trials.

  • Support consumer connection and mechanisms to report back to registry participants.

  • Data interoperability/harmonization—data sharing/linkage between datasets/registries.

Research and data are one of the three key pillars in the Action Plan [13]. Limited data is a common feature of RDs, often resulting in high uncertainty, which impacts every part of people’s lives. People are faced with impossible choices based on incomplete knowledge and unclear pathways. In development of the Action Plan the sector highlighted comprehensive, high quality collection, and effective use of RD data as one of four critical enablers of effective RD policy [13]. RDRs have unique advantages that can be leveraged for success. These advantages include engaged communities who value data and knowledge and are highly attuned to the benefits of RDRs in facilitating access to participation in research and clinical trials. In addition, the benefits of novel therapies and precision medicine for RDs are likely to encourage the establishment of future RDRs for the support of post-marketing surveillance.

Strengths and limitations

This study has systematically and comprehensively reviewed publicly-reported data collected by RDRs with Australian participants, as reported in the literature. To appreciate the findings in this review, the following limitations should be considered. First, we have likely missed several RDRs and databases that collect RD information because a lot of data is kept in secure electronic health records despite our comprehensive search strategy, including an internet search in addition to a literature search of four large electronic databases. Second, most publications or grey literature sources did not provide detailed information on the data items captured by RDRs and databases. For state-wide and “umbrella” registries, the information and numbers reported are accurate at the date of publication of the source and for the particular condition, as these registries may also capture other RDs and conditions. We have identified a few state/jurisdiction and “umbrella” registries that capture data from various conditions, including RDs. Registry information is relevant to the conditions only listed in the tables. This has been noted in the legends and in the text. Since we focussed on the registries collecting data from people with RDs, we are aware that not all RDs captured by the state and “umbrella” registries may be described in this scoping review. Third, RDR literature did not usually report on the impact of registries on patient outcomes, nor did they detail enablers and barriers to meeting registry objectives. This requires further investigation and follow-up with registry managers.


The findings of this scoping review highlight the heterogeneity of RDRs collecting Australian data, with variations noted in the mechanisms for data entry, data items captured, scope, outputs, and sources of funding. This heterogeneity calls attention to the challenges of establishing and maintaining RDRs in Australia and the interest in a nationally consistent approach, as highlighted in the Action Plan [13]. Nevertheless, the different characteristics and needs of individual RDs in Australia make interoperability difficult, especially given the absence of a nationally consistent minimum dataset for RDs.

An initial step would be to consolidate information regarding existing RDRs to support the development of new registries. This should be followed by development of Australian RDRs best practice consensus guidelines, aligned with existing international standards, with goals to improve clinical practice and outcomes, access to research and clinical trials, and support the RD community. Investment in a nationally coordinated and consistent approach to data collection for RD in Australia will improve our understanding and quantification of the national burden of RDs, and their impact on patients, carers and families. A national strategy for RD data collection will also require cross-jurisdictional government engagement and agreement. This requires systemic policy reform, but is a critical way for governments to keep pace with international direction and respond to the Action Plan for the best possible health and wellbeing outcomes for Australians living with a RD.

Few of the seventy-four RDRs identified in this review were sustainable funded or reported regular research and quality improvement outputs. This suggests an under-investment in RDRs in Australia compared to more common conditions—diabetes and obesity, heart disease and cancer, which have been prioritised as areas for CQRs by the Australian Commission for Safety and Quality in Health Care [80]. Not many RDRs identified in this review outline a clear purpose or scope, and the data they collect is often incomplete and varied. These factors are contributing to poor data quality and poor levels of clinical awareness and knowledge. To achieve equity in data and knowledge of RD that is aligned with more common conditions, investment in RDRs is vital. Without such investment rare diseases cannot be counted and evidence-based improvements in care and outcomes will not keep pace with rapid advances in medical technologies, particularly in the areas of genomics and precision medicine.

Availability of data and materials

Not applicable.



Australian Cystic Fibrosis Data Registry


Australian Bleeding Disorders Registry


Australian Calciphylaxis Registry


Australasian Interstitial Lung Disease Registry


Australian and New Zealand


Australasian Registry Network of Orphan Lung Diseases


Computerized tomography


Diffuse Intrinsic Pontine Glioma


European Society for Immunodeficiencies Registry


European Union


International Collaborative Gaucher Group


Immune Thrombocytopenia


Lymphoma and Related Diseases Registry


Medical Subject Heading


Myeloma and Related Diseases Registry


Neonatal Alloimmune Thrombocytopenia


German Network on Primary Immunodeficiency Diseases


Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for scoping reviews


Patient-Reported Outcome Measures


Quality of life


Rare disease


Rare disease registry


Rare Voices Australia


United Kingdom


United States


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We thank to the Scientific and Medical Advisory Committee of Rare Voices Australia. Susannah Ahern: In consultation with the Scientific and Medical Advisory Committee of Rare Voices Australia.


This research was funded by Rare Voices Australia.

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RR, FH, NM, SA conceptualised the study and supported the study methodology. RR, MC, CM conducted the data analysis and drafted the original manuscript. FH, NM, PL and SA reviewed and edited the manuscript. All authors have read and approved the manuscript.

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Correspondence to Rasa Ruseckaite.

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Ruseckaite, R., Mudunna, C., Caruso, M. et al. Current state of rare disease registries and databases in Australia: a scoping review. Orphanet J Rare Dis 18, 216 (2023).

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