Undisclosed financial ties between guideline writers and pharmaceutical companies: a cross-sectional study across 10 disease categories

Factors affecting decisions of an HMO Drug Exemptions Committee on individual patient requests for coverage of non-formulary drugs

BACKGROUND

In Israel, coverage of health needs is delivered by four health maintenance organizations (HMOs), which are budgeted by the government according to the recommendations of the National Drug Formulary (NDF) Committee. For medications not listed in the NDF, individuals may request to cover the costs by the HMO Exemptions Committee (DEC). The objectives of the current study, a first of its kind, are to document the DEC decision process, to identify its components and to determine the decisions' clinical outcome.

METHODS

This retrospective cohort study included all members (≥ age 18) of the Maccabi Healthcare Service (MHS) who submitted a request to the DEC between June 2017 and December 2018. Collected data include patient demographics, clinical information and components of the decision process. Decision success (i.e., clinical outcome correlated with DEC decision) was determined by clinical outcome over at least one-year follow-up.

RESULTS

A total of 335 requests were included. Strong evidence and rare disease were positively associated with approvals, while the availability of alternative treatments and costs were negatively associated. The majority of decisions (75%) met predicted clinical outcomes. Only estimated costs were found to be associated with decision success.

CONCLUSIONS

Factors that reduce the potential costs of a requested drug are significantly associated with higher odds for drug approval, but only when the evidence supports potential benefit.

Evaluation of non-research and research industry payments to pediatric hematologist/oncologists in the United States between 2013 and 2021

Financial interactions between healthcare industry and pediatric hematologist/oncologists (PHOs) could be conflicts of interest. Nevertheless, little is known about financial relationships between healthcare industry and PHOs. This cross-sectional analysis of the Open Payments Database examined general and research payments to PHOs from healthcare industry in the United States between 2013 and 2021. Payments to the PHOs were analyzed descriptively. Trends in payments were assessed using generalized estimating equation models. Of 2784 PHOs, 2142 (76.9%) PHOs received payments totaling $187.3 million from the healthcare industry between 2013 and 2021. Approximately, $46.3 million (24.8%) were general payments and $137.7 million (73.5%) were funding for research where PHOs served as principal investigators (associated research funding). Both general payments and associated research funding considerably increased between 2014 and 2019. The number of PHOs receiving general payments and associated research funding annually increased by 2.2% (95% CI: 1.2-3.3%, p < .001) and 5.0% (95% CI: 3.3-6.8%, p < .001) between 2014 and 2019, respectively.

Alcohol, cardiovascular disease and industry funding: A co-authorship network analysis of epidemiological studies

INTRODUCTION

Alcohol's effects on cardiovascular disease (CVD) are controversial. Alcohol industry actors have shown particular interest in this subject, and been extensively involved through research funding, and in other ways, generating concerns about bias, particularly in reviews.

MATERIAL & METHODS

We conducted a co-authorship network analysis of the primary studies included within a previous co-authorship study of 60 systematic reviews on the impact of alcohol on CVD. Additionally, we examined the relationships between declared alcohol industry funding and network structure.

RESULTS

There were 713 unique primary studies with 2832 authors published between 1969 and 2019 located within 229 co-authorship subnetworks. There was industry funding across subnetworks and approximately 8% of all papers declared industry funding. The largest subnetwork dominated, comprising 43% of all authors, with sparse evidence of substantial industry funding. The second largest subnetwork contained approximately 4% of all authors, with largely different industry funders involved. Harvard affiliated authors who at the review level formed co-authorship subnetworks with industry funded authors were seen at the primary study level to belong to the largest epidemiological subnetwork. A small number of key authors make extensive alcohol industry funding declarations.

CONCLUSIONS

There was no straightforward relationship between co-authorship network formation and alcohol industry funding of epidemiological studies on alcohol and CVD. More fine-grained attention to patterns of alcohol industry funding and to key nodes may shed further light on how far industry funding may be responsible for conflicting findings on alcohol and CVD.

Management of evidence and conflict of interest in guidelines on early childhood allergy prevention and child nutrition: study protocol of a systematic synthesis of guidelines and explorative network analysis

Background

With the rising prevalence of allergic diseases in children, prevention of childhood allergies becomes an important public health issue. Recently, a paradigm shift is taking place in the approach to preventing allergies, and clinical practice guidelines (CPG) and food-based dietary guidelines (FBDG) play an important role in providing practitioners with the latest evidence and reliable guidance. However, concern about the methodological quality of the development of FBDGs and CPGs, including limitations in the systematic reviews, lack of transparency and unmanaged conflicts of interest (COI), reduce the trust in these guidelines.

Methods

We aim to synthesize the available guidance on early childhood allergy prevention (ECAP) through a systematic search for national and international CPGs and FBDGs concerning ECAP and child nutrition (CN) and to assess the quality of the guidelines and management of COI. Additionally, we will analyse the content and the evidence base of the recommendation statements. We aim to quantify the COI in guideline panellists and explore possible associations between COI and recommendations. Through a social network analysis, we expect to elucidate ties between panellists, researchers, institutions, industry and other sponsors. Guidelines are an important tool to inform healthcare practitioners with the newest evidence, but quality and reliability have to be high. This study will help identify potential for further improvement in the development of guidelines and the management of COI. If the social network analysis proves feasible and reveals more information on COI in comparison to disclosed COI from the previous analyses, the methodology can be developed further to identify undisclosed COIs in panelists.

Ethics and dissemination

This research does not require ethical approval because no human subjects are involved. Results will be published in international peer-reviewed open access journals and via presentations at scientific conferences.

Association between Conflicts of Interest Disclosure and Quality of Clinical Practice Guidelines in Japan: A Meta-Epidemiological Study

Accurate disclosure of financial conflicts of interest (COI) among clinical practice guideline (CPG) developers is critical to ensure the quality of CPGs. However, there is limited evidence on the impact of underreporting COIs on the quality of CPGs. This study aimed to examine the proportion of underreported COI disclosures in the development of Japanese CPGs and to estimate the association between underreported COIs and CPG quality using the Appraisal of Guidelines for Research & Evaluation (AGREE) II. Twenty-three Japanese CPGs published in 2019 and their 1114 developers were included in the study. The results show that underreporting of COIs occurred in 52% of the included CPGs and 8% of all CPG developers. Underreporting COI disclosures was negatively associated with low-quality CPG (Odds ratio [OR], 0.57; 95% confidence interval [CI]: 0.11, 3.04). On the other hand, CPGs that had more than 13% of CPG developers with voting rights on recommendation decisions and underreporting of COI disclosures were positively associated with low quality (OR, 1.78; 95% CI: 0.25, 12.45). For individual CPG developers with voting rights for recommendation decisions, the presence of a COI was positively associated with low quality (OR, 1.11; 95% CI: 0.71, 1.75). This study demonstrates that the involvement and underreporting of COIs did not seriously distort the CPG development process. However, the COI-related factors of CPG developers with voting rights for recommendation decisions may be associated with low CPG quality.

Influence of Disclosed and Undisclosed Funding Sources in Tobacco Harm Reduction Discourse: A Social Network Analysis

INTRODUCTION

Tobacco harm reduction (THR) discourse has been divisive for the tobacco control community, partially because it sometimes aligns public health and tobacco industry interests. Industry funding is contentious as it influences study outcomes, and is not always disclosed in scientific publications. This study examines the role of disclosed and undisclosed industry support on THR publications via social network analysis.

METHODS

We reviewed 826 English-language manuscripts (1992-2016) to determine disclosed and undisclosed industry (pharmaceutical, tobacco, and e-cigarette) and non-industry (including government) support received by 1405 authors. We used social network analysis to identify the most influential authors in THR discourse by assessing the number of their collaborators on publications, the frequency of connecting other authors in the network, and tendency to form groups based on the presence of sponsorship disclosures, sources of funding, and THR stance.

RESULTS

About 284 (20%) out of 1405 authors were supported by industry. Industry-sponsored authors were more central and influential in the network: with twice as many publications (Median = 4), 1.25 as many collaborators on publications (Median = 5), and higher likelihood of connecting other authors and thus having more influence in the network, compared to non-industry-sponsored authors. E-cigarette industry-sponsored authors had the strongest association with undisclosed industry support.

CONCLUSIONS

Authors with industry support exerted a stronger influence on the THR scientific discourse than non-industry-supported authors. Journals should continue adhering to strict policies requiring conflicts of interest disclosures. An increase in public health spending on tobacco control research may be necessary to achieve funding parity.

Assessment of Financial Relationships Between Otorhinolaryngologists and Pharmaceutical Companies in Japan Between 2016 and 2019

INTRODUCTION

There are prevalent financial relationships between physicians and the pharmaceutical industry in medical specialties, including otorhinolaryngology. Although these relationships might cause conflicts of interest, no studies have assessed the size and contents of the financial relationships between otorhinolaryngologists and pharmaceutical companies in Japan. This study aims to evaluate the magnitude, prevalence, and trend of the financial relationship between Japanese otolaryngologists and pharmaceutical companies.

METHODS

 Using payment data publicly disclosed by 92 pharmaceutical companies, we examined the size, prevalence, and trend in personal payments made to the otorhinolaryngologist board certified by the Japanese Society of Otorhinolaryngology-Head and Neck Surgery (JSO-HNS) between 2016 and 2019 in Japan. Furthermore, differences in payments were evaluated by whether otolaryngologists were clinical practice guideline authors, society board members, and academic journal editors or not. Trends in payments were evaluated by generalized estimating equations.

RESULTS

 Of 8,190 otorhinolaryngologists, 3,667 (44.8%) were paid a total of $13,873,562, in payments for lecturing, consulting, and writing by 72 pharmaceutical companies between 2016 and 2019. The median four-year combined payment per physician was $1,022 (interquartile range: $473-$2,526). Top 1%, 5%, and 10% of otorhinolaryngologists received 42.3% (95% confidence interval (95% CI): 37.2%-47.4%), 69.3% (95% CI: 65.9%-72.8%), and 80.6% (95% CI: 78.3%-82.9%) of overall payments, respectively. The median payments per physician were significantly higher among otorhinolaryngologists authoring clinical practice guidelines ($11,522), society board members ($22,261), and journal editors ($35,143) than those without. The payments and number of otorhinolaryngologists receiving payments remained stable between 2016 and 2019.

CONCLUSION

 This study demonstrates that a minority but a large number of otorhinolaryngologists received personal payments from pharmaceutical companies for the reimbursement of lecturing, consulting, and writing in Japan. Large amounts of these personal payments were significantly concentrated on a small number of leading otorhinolaryngologists.

The 'scientist', the 'analyst' and the 'novelist': science or metrics?

An overwhelming number of meta-analyses and reviews are published by scientific journals. In part this may reflect some preference of editors and publishers for these types of papers, which are more frequently cited and can increase the impact factor of their journals. Meta-analyses and reviews are also attractive for investigators looking for a greater chance of having successful publications with several citations, and therefore an improved personal h-index. This greater 'promise of success' might have a deleterious effect on the intellectual maturation of investigators, particularly early career investigators, who might neglect original research and concentrate their efforts on meta-analyses and reviews. However, while meta-analyses and reviews are useful for emphasising data and disseminating concepts, progress in science requires original ideas, original experiments and original papers. 'Analysts' and 'novelists' are welcome, but 'scientists' are indispensable.

Evaluation of Financial Conflicts of Interest and Quality of Evidence Underlying the American Diabetes Association Clinical Practice Guidelines: The Standards of Medical Care in Diabetes, 2021

BACKGROUND

Clinical practice guidelines make recommendations based on the best available evidence. Proper management and disclosure of financial conflicts of interest (FCOIs) are necessary for trustworthy clinical practice guidelines. This study evaluated the prevalence of FCOIs and quality of evidence underlying the American Diabetes Association (ADA) guidelines.

METHODS

Using the Open Payments Database (OPD) between 2018 and 2020, we examined the research and general payments to all authors of the Standards of Medical Care in Diabetes, 2021. The quality of evidence and tone of recommendations were assessed and the associations between the two were evaluated by logistic regression analysis.

RESULTS

Of the 25 guideline authors, 15 (60.0%) were United States (US)-based physicians eligible for the OPD search. Eight (32.0%) and 12 (48.0%) received one or more industry payments one year and three years prior to the guideline publication, respectively. The median total payments (interquartile range) per author were $33,262 ($4,638‒$101,271) in 2020 and $18,053 ($2,529‒$220,659) in 2018-2020. One author received a research payment of over $10,000 undeclared. Of 471 recommendations, 61 (13.0%) and 97 (20.6%) were supported by low-quality evidence and expert opinions, respectively. Also, 439 (93.2%) recommendations had a positive tone. The lower quality of evidence tended to recommend positively with an odds ratio of 1.56 (95% confidence interval: 0.96-2.56, p=0.075) without reaching statistical significance.

CONCLUSION

A minority of the guideline authors received industry payments from the healthcare industry, and declared FCOIs were mostly accurate. However, the ADA FCOI policy required the guideline authors to declare their FCOIs for one year before publication. A more transparent and rigorous FCOI policy is needed in the ADA guidelines.

Evaluation of financial relationships between Japanese certified pediatric hematologist/oncologists and pharmaceutical companies: a cross-sectional analysis of personal payments from pharmaceutical companies between 2016 and 2019

This cross-sectional study evaluated the magnitude of personal payments made by pharmaceutical companies to pediatric hematologist-oncologists (PHOs) board-certified by the Japanese Society of Pediatric Hematology/Oncology (JSPHO), using publicly disclosed data. Among all 307 PHOs, 215 (70.0%) PHOs received $916 703 personal payments from 54 pharmaceutical companies between 2016 and 2019 in total. Median four-year payments per PHO was $1440 (interquartile range, $523-$4015). Payments per PHO significantly increased during the study period, by 23.8% (95% confidence interval: 15.3%-32.8%, P < 0.001) annually. Furthermore, leading PHOs, including university professors, society board members, and clinical practice guideline authors, received far larger personal payments from the companies.

Guidelines and evidence-based recommendations in anaesthesia: where do we stand?

Clinical practice guidelines are increasingly important to guide clinical care. However, they can vary widely in quality, and many recommendations are based on low-level evidence. The COVID-19 pandemic highlighted the need for new flexible formats for rigorously developed guidelines. Future guideline development should be standardised, graded, registered, and updated to ensure that they are 'living' works in progress.

Evaluation of Conflicts of Interest among Participants of the Japanese Nephrology Clinical Practice Guideline

BACKGROUND AND OBJECTIVES

Rigorous and transparent management strategies for conflicts of interest and clinical practice guidelines with the best available evidence are necessary for the development of nephrology guidelines. However, there was no study assessing financial and nonfinancial conflicts of interest, quality of evidence underlying the Japanese guidelines for CKD, and conflict of interest policies for guideline development.

DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS

This cross-sectional study examined financial and nonfinancial conflicts of interest among all 142 authors of CKD guidelines issued by the Japanese Society of Nephrology using a personal payment database from all 92 major Japanese pharmaceutical companies between 2016 and 2019 and self-citations by guideline authors. Also, the quality of evidence and strength of recommendations underlying the guidelines and conflicts of interest policies of Japanese, US, and European nephrology societies were evaluated.

RESULTS

Among 142 authors, 125 authors (88%) received $6,742,889 in personal payments from 56 pharmaceutical companies between 2016 and 2019. Four-year combined median payment per author was $8258 (interquartile range, $2230‒$51,617). The amounts of payments and proportion of guideline authors with payments remained stable during and after guideline development. The chairperson, vice chairperson, and group leaders received higher personal payments than other guideline authors. Of 861 references in the guidelines, 69 (8%) references were self-cited by the guideline authors, and 76% of the recommendations were on the basis of low or very low quality of evidence. There were no fully rigorous and transparent conflicts of interest policies for nephrology guideline authors in the United States, Europe, and Japan.

CONCLUSIONS

Most of the Japanese CKD guideline recommendations were on the basis of low quality of evidence by the guideline authors tied with pharmaceutical companies, suggesting the need for better financial conflicts of interest management.

The ethics of publishing in medical journals

Ethics has been defined as the way we ought to behave. Medical publishing essentially exists to broadcast current and new medical knowledge to aid in the practice of medicine. In this review article we consider many of the aspects of medical publishing with regard to 'what we ought to do' and, equally, 'what we ought not to do' from the perspective of various ethical frameworks. Although ethics is not the law or a set of rules, nor a code of conduct, an ethical lens can be useful when developing good general guidelines for medical publishing.

Financial Conflicts of Interest in Clinical Practice Guidelines: A Systematic Review

Objective

To systematically evaluate the prevalence of disclosed and undisclosed financial conflicts of interest (FCOI) among clinical practice guidelines (CPGs).

Methods

In this systematic review, we ascertained the prevalence and types of FCOI for CPGs from January 1, 1980, to March 3, 2019. The primary outcome was the prevalence of FCOI among authors of CPGs. FCOI disclosures were compared between medical subspecialties and societies producing CPGs.

Results

Among the 37 studies including 14,764 total guideline authors, 45% had at least one FCOI. The prevalence of FCOI per study ranged from 6% to 100%. More authors had FCOI involving general payments (39%) compared with research payments (29%). Oncology, neurology, and gastroenterology had the highest prevalence of FCOI compared with other medical specialties. Among the 8 studies that included the monetary values in US dollars of FCOI, average payments per author ranged from $578 to $242,300. Among the 10 studies that included data on undisclosed FCOI, 32% of authors had undisclosed industry payments.

Conclusion

There are numerous FCOI among authors of CPGs, many of which are undisclosed. Our study found a significant difference in FCOI prevalence based on types of FCOI and CPG sponsor society. Additional research is required to quantify the implications of FCOI on clinical judgment and patient care.

•

Financial conflicts of interest (FCOI) may have an impact on the objectivity of clinical practice guidelines.

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Among the 37 studies included in this systematic review, 45% of the 14,764 guideline authors had an FCOI.

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Authors of oncology, neurology, and gastroenterology guidelines had higher prevalence of FCOI compared with other guidelines.

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Eight studies included monetary value of FCOI, which ranged from $578 to $242,300 per author.

•

Little is known about the direct impact of FCOI on how authors of clinical practice guidelines vote on recommendations during guideline development.

Medicine and Phlebolymphology: Time to Change?

Biomedical science is undergoing a reappraisal of its scientific advancement process and of the related healthcare management. Progress in medicine should combine improvements of knowledge, efficacy, and safety of diagnostic/therapeutic procedures, with adequate cost-effectiveness profiles. This narrative review is aimed at assessing in medicine, more specifically in phlebology and lymphology: (a) scientific literature possible biases, (b) the level of evidence, comprehensiveness, and cost-effectiveness of the main therapeutic options, and (c) the possible contribution of integrative and translational medicine. Current medical research may have cognitive biases, or industry-tied influences, which impacts clinical practice. Some reductionism, with an increasing use of drugs and technology, often neglecting the understanding and care of the root causative pathways of the diseases, is affecting biomedical science as well. Aging brings a relevant burden of chronic degenerative diseases and disabilities, with relevant socio-economic repercussions; thus, a major attention to cost-effectiveness and appropriateness of healthcare is warranted. In this scenario, costly and innovative but relatively validated therapies may tend to be adopted in venous and lymphatic diseases, such as varicose veins, leg venous ulcer, post-thrombotic syndrome, pelvic congestion syndrome, and lymphedema. Conversely, a more comprehensive approach to the basic pathophysiology of chronic venous and lymphatic insufficiency and the inclusion of pharmacoeconomics analyses would benefit overall patients' management. Erroneous lifestyle and nutrition, together with chronic stress-induced syndromes, significantly influence chronic degenerative phlebo-lymphatic diseases. The main active epigenetic socio-biologic factors are obesity, dysfunctions of musculo-respiratory-vascular pumps, pro-inflammatory nutrition, hyperactivation of stress axis, and sedentarism. An overall critical view of the scientific evidence and innovations in phebolymphology could be of help to improve efficacy, safety, and sustainability of current practice. Translational and integrative medicine may contribute to a patient-centered approach. Conversely, reductionism, eminence/reimbursement-based decisional processes, patients' lack of education, industry-influenced science, and physician's improvable awareness, may compromise efficacy, safety, appropriateness, and cost-effectiveness of future diagnostic and therapeutic patterns of phlebology and lymphology.

Understanding professional stakeholders' active resistance to guideline implementation: The case of Canadian breast screening guidelines

Health guidelines aim to improve patient outcomes through the promotion of evidence-based practice. Yet, when a guideline's recommendations significantly differ from, or threaten the interests, values and preferred practices of end-users, organised and often very public resistance to guideline implementation may result. To explore this phenomenon, we theorise a case study consisting of the public discourse following the update to a primary care breast screening guideline in Canada in 2018. Informed by sociological perspectives on the professions and evidence-based medicine, this paper aims to explore: [1] why professional stakeholders form active resistances to the implementation of some clinical guidelines; and, [2] how professional values, perspectives, interests and/or experiences influence the stakeholders' stance. Current understandings have taken a reductive approach in conceptualising the exclusion of experts and their resistance as "conflict of interest." Rather, we suggest that resistance is the product of multiple areas of contention, stemming from tensions related to clinical and professional autonomy, medical jurisdiction, and the role of medical elites. We highlight considerations for future guideline development and implementation process changes to mitigate and resolve issues related to active resistance. These considerations include understanding resistance as a political strategy, increasing transparency of public input and coalition building as a part of the public response to active resistance.

Financial payments made by pharmaceutical companies to the authors of Japanese hematology clinical practice guidelines between 2016 and 2017

Financial conflicts of interest (FCOI) between pharmaceutical companies and physicians may negatively impact patient care. This is particularly relevant regarding clinical practice guidelines (CPG), where FCOI may inappropriately influence individual drugs' promotion or use. In a cross-sectional analysis of pharmaceutical company payments, we sought to elucidate the extent of FCOI between Japanese hematologists and drug promotion in CPG. Data collected from two professional medical associations and companies belonging to the Japanese Pharmaceutical Manufacturers Association included the type and amount of company payments, individual financial disclosures, and new drug or indication approvals between 2015 and 2017. Of the 74 hematologists drafting CPG, 70 (94.6 %) received at least one payment during the study period. The cumulative median (interquartile range) value of these payments was $31,553 ($11,449-$74,390). Also, during this period, 26 new drugs or indications were approved and discussed in the CPG. Among the 79 pharmaceutical companies, the 11 (13.9 %) with newly approved and discussed drugs in the CPG made median (interquartile range) payments of $210,388 ($85,141-$292,536), while the remaining 68 (86.1 %) made $0 ($0-$9607) in payments. Disclosure of these payments was inconsistent. Such discrepancies suggest an association between pharmaceutical payments and drug approvals that only greater transparency can clarify. Consequently, a comprehensive overhaul of the current framework to control FCOI that includes legal regulation may be necessary.

Under-reported relationship: a comparative study of pharmaceutical industry and patient organisation payment disclosures in the UK (2012-2016)

OBJECTIVES

To examine the under-reporting of pharmaceutical company payments to patient organisations by donors and recipients.

DESIGN

Comparative descriptive analysis of payments disclosed on drug company and charity regulator websites.

SETTING

UK.

PARTICIPANTS

87 donors (drug companies) and 425 recipients (patient organisations) reporting payments in 2012-2016.

MAIN OUTCOME MEASURES

Number and value of payments reported by donors and recipients; differences in reported payments from/to the same donors and recipients; payments reported in either dataset but not the other one; agreement between donor-recipient ties established by payments; overlap between donor and recipient lists and, respectively, industry and patient organisation data.

RESULTS

Of 87 donors, 63 (72.4%) reported payments but 84 (96.6%) were mentioned by recipients. Although donors listed 425 recipients, only 200 (47.1%) reported payments. The number and value of payments reported by donors were 259.8% and 163.7% greater than those reported by recipients, respectively. The number of donors with matching payment numbers and values in both datasets were 3.4% and 0.0%, respectively; for recipients these figures were 7.8% and 1.9%. There were 24 and 3 donors missing from industry and patient organisation data during the entire study period, representing 38.1% and 3.6% of those in the respective datasets. The share of donor-recipient ties in which industry and patient organisation data agreed about donors and recipients was 38.9% and 68.4% in each dataset, respectively. Of 63 donors reporting payments, only 3 (4.8%) had their recipient lists fully overlapping with patient organisation data. Of 200 recipients reporting industry funding, 102 (51.0%) had their donor lists fully overlapping with industry data.

CONCLUSIONS

Both donors and recipients under-reported payments. Existing donor and recipient disclosure systems cannot manage potential conflicts of interest associated with industry payments. Increased standardisation could limit the under-reporting by each side but only an integrated donor-recipient database could eliminate it.

Methodological quality of clinical practice guidelines for nutrition and weight gain during pregnancy: a systematic review

CONTEXT

Ensuring a healthy pregnancy and achieving optimal gestational weight gain (GWG) are important for maternal and child health. Nevertheless, the nutritional advice provided during pregnancy is often conflicting, suggesting limited adherence to clinical practice guidelines (CPGs).

OBJECTIVE

The aim of this review was to identify all CPGs on maternal nutrition and GWG and to critically appraise their methodological quality.

DATA SOURCES

The MEDLINE/PubMed, Cochrane, Guidelines International Network, and BMJ Best Practice databases, along with gray literature, were searched from inception until February 2019 for CPGs and consensus, position, and practice papers.

STUDY SELECTION

Clinical practice guidelines published in English and containing advice on maternal nutrition or GWG were eligible.

DATA EXTRACTION

Two authors independently extracted data on items pertaining to maternal nutrition or GWG, and CPGs were appraised using the AGREE II instrument.

RESULTS

Twenty-two CPGs were included. All scored adequately in the "scope" domain, but most were considered inadequate with regard to stakeholder involvement, rigor of development, applicability, and editorial independence. Many CPGs lacked patient or dietician involvement, and more than half did not disclose funding sources or conflicts of interest. Guidance on GWG was based mostly on Institute of Medicine thresholds, while nutrition recommendations appeared scattered and heterogeneous.

CONCLUSION

Despite the importance of maternal nutrition and the plethora of advising bodies publishing relevant guidance, there is room for substantial improvement in terms of development standards and content of nutritional recommendations.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO registration number CRD42019120898.

Financial conflicts of interest of clinicians making submissions to the pan-Canadian Oncology Drug Review: a descriptive study

OBJECTIVES

This study examines financial conflict of interest (FCOI) of clinicians who made submissions to the pan-Canadian Oncology Drug Review (pCODR), the arm of the Canadian Agency for Drugs and Technology in Health that recommends whether oncology drug indications should be publicly funded. Final reports from pCODR published between October 2016 and February 2019 were examined.

DESIGN

Descriptive study.

DATA SOURCES

Website of pCODR.

INTERVENTIONS

None.

PRIMARY AND SECONDARY OUTCOMES

The primary outcome is the number of submissions declaring FCOI. Secondary outcomes are the number of times where clinicians agreed and disagreed with preliminary recommendation from pCODR and the association between the distribution of individual clinicians' FCOI and pCODR's funding recommendations.

RESULTS

There were 46 drug indication reports from pCODR. Clinicians made 261 submissions. Clinicians declared they received payments from companies 323 times and named 38 different companies making those payments a total of 500 times. Financial conflicts with drug companies were declared in 176 (66.3%) of all submissions. In 21 (45.7%) of the 46 drug indications, 50% or more of the clinicians had a conflict with the company making the drug. Clinicians commented on 37 preliminary recommendations. In all 25 where pCODR recommended funding or conditional funding, the clinicians either agreed or agreed in part. pCODR recommended that the drug indication not be funded 12 times and 9 times clinicians disagreed with that recommendation. The distribution of clinician responses was statistically significantly different depending on whether pCODR recommended funding/conditional funding or do not fund p<0.0001 (Fisher exact test). The distribution of clinicians' FCOI differed depending on whether the recommendation was fund/conditional fund or do not fund p=0.027 (Fisher exact test).

CONCLUSION

Financial conflicts with pharmaceutical companies are widespread among experts making submissions to the pCODR.