The Library
1530 papers on microsampling and monitoring, each with a finding paraphrased to our standard and labelled in one vocabulary. Every entry links to a legitimate copy; nothing is copied from an abstract.
25 papers labelled “economics”, newest first.
2026
This study validated a low-cost 3D-printed smartphone attachment and paper sensor for measuring glucose, uric acid and cholesterol in saliva, demonstrating high correlation with standard ELISA results in a small clinical cohort. The authors suggest this platform offers a scalable solution for decentralised diabetes management by balancing sensitivity with affordability.
Nanostructured zinc-coordination supraparticles on cellulose fibers: A 3D-Printed μ-FAD integrated smartphone platform for multiplexed salivary metabolic monitoring — Yang et al., Biosensors & bioelectronics (paywalled)
- dct
- economics
- metabolome
- self-collection
- liquid
- validation
- saliva
2025
A systematic review found mixed economic evidence for microsampling in therapeutic drug monitoring; one study reported no cost reduction with DBS home-sampling, €688 versus €676, whilst another predicted savings up to 61%. The authors caution that more work is required to assess costs alongside clinical outcomes and optimise logistics for decentralised implementation.
The economic evidence for microsampling to support therapeutic drug monitoring: A systematic review — Carland et al., British Journal of Clinical Pharmacology (paywalled)
- vams
- blood
- economics
- dbs
- tdm
- self-collection
- dried
- antimicrobials
- pediatric
- immunosuppressants
- validation
2025
An evaluation of blood sampling strategies across a large UK healthcare-worker cohort study, covering how sampling approach affected participation.
Evaluating blood sampling strategies within the SIREN study: the experience from a large cohort of healthcare workers in the UK — Hettiarachchi et al., BMC Medical Research Methodology
- dct
- acceptability
- blood
- economics
- self-collection
- capillary
- validation
2025
Dried blood spot HPLC accurately identified and quantified all major hemoglobin variants after ambient storage for up to three weeks, correctly diagnosing sickle cell, beta-thalassemia and other hemoglobinopathies compared to conventional whole blood analysis. This supports cost-effective, decentralised screening in remote regions where venous sampling is impractical.
Hemoglobin Variant Analysis and Its Comparison between Conventional High-performance Liquid Chromatography Using Whole Blood versus Dried Blood Spot: High-performance Liquid Chromatography — Jena et al., Indian journal of public health (paywalled)
- blood
- dried
- dbs
- validation
- venous-agreement
- economics
2025
VAMS finger-prick sampling showed moderate agreement with conventional venous sampling for clofazimine, with a systematic 13% lower concentration that can be corrected, and was more cost-effective by about 4.45 USD per sample, supporting its use for routine therapeutic drug monitoring in MDR-TB.
Analytical and clinical validation of a volumetric absorptive microsampling (VAMS) - Ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the analysis of Clofazimine in whole blood — Nugraha et al., Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (paywalled)
- blood
- dried
- vams
- neoteryx-mitra
- validation
- venous-agreement
- tdm
- antimicrobials
- economics
2024
This systematic review of 67 studies involving 34,739 kidney disease patients found dried blood microsampling was mainly used for immunosuppressant therapeutic drug monitoring and kidney function assessment. The approach offered cost savings, was preferred by patients for home self-collection, and provides a patient-centric opportunity to upscale longitudinal sampling and reduce participation bias in decentralised kidney disease research.
A Systematic Literature Review on the Use of Dried Biofluid Microsampling in Patients With Kidney Disease — Lamond et al., Journal of clinical laboratory analysis
- blood
- dried
- capillary
- self-collection
- validation
- acceptability
- tdm
- immunosuppressants
- economics
2024
Routine clinic-based cervical sampling generated 3670 g CO2e per sample, whereas vaginal self-sampling produced 423 g CO2e and first-void urine collection produced 570 g CO2e. Decentralised self-collection approaches substantially lowered emissions by eliminating primary care clinic visits.
A comparison of the carbon footprint of alternative sampling approaches for cervical screening in the UK: A descriptive study — Whittaker et al., BJOG : an international journal of obstetrics and gynaecology (paywalled)
- urine
- first-void
- self-collection
- economics
- hpv
- sti
2024
Interviews with European health technology assessment representatives showed that while decentralised clinical trial models offer real-world relevance and reduced recall bias, concerns persist regarding data quality when trial participants manage data collection independently.
Opportunities and Challenges for Decentralized Clinical Trial Approaches: European Health Technology Assessment Perspective — de Jong et al., Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research (paywalled)
- dct
- economics
2023
An expected net present value model found that decentralised clinical trials in phases II and III increase drug value by an average of $20 million, yielding a seven-fold return on investment. However, the authors caution that larger datasets and broader operational coverage are needed to validate these findings.
Assessing the Financial Value of Decentralized Clinical Trials — DiMasi et al., Therapeutic Innovation & Regulatory Science
- dct
- economics
2023
This review surveys published LC-MS/MS methods that use dried blood microsampling for therapeutic drug monitoring of immunosuppressants in transplantation, chemotherapy and autoimmune disease, finding that volumetric dried blood samples can replace conventional venous draws for home sampling and improve patient quality of life. The authors discuss pre-analytical considerations, clinical applicability, cost-effectiveness, harmonisation gaps and patient perception, concluding that obstacles to routine clinical implementation remain despite growing methodological maturity.
Dried blood microsampling-assisted therapeutic drug monitoring of immunosuppressants: An overview — Deprez & Stove, Journal of chromatography. A (paywalled)
- blood
- dried
- dbs
- volumetric
- validation
- acceptability
- tdm
- immunosuppressants
- economics
2023
First-void urine self-sampling for HPV screening cost £38.57 per complete screen compared with £56.81 for clinician-collected samples, with potential NHS savings of £19.2 million annually if uptake improved among non-attenders. This shows self-sampling is substantially cheaper and could expand screening reach to under-screened women, supporting decentralised diagnostic programmes.
Two self-sampling strategies for HPV primary cervical cancer screening compared with clinician-collected sampling: an economic evaluation — Huntington et al., BMJ open
- urine
- first-void
- self-collection
- economics
- hpv
- sti
2022
A combined patient-preference and cost analysis of an at-home blood sampling device in chronic care, covering both what patients choose and what the shift costs the system.
The societal impact of implementing an at-home blood sampling device for chronic care patients: patient preferences and cost impact — Lingervelder et al., BMC Health Services Research
- economics
- acceptability
- self-collection
- blood
2022
The study demonstrated that a decentralised healthcare model using self-collected blood in stool tests achieved high adherence and early detection rates for colorectal cancer. It also showed a favourable cost-benefit ratio compared to the standard costs of treating advanced disease.
"CUIDARAS " : A Nominal and Personalized Health Care Model. Effectiveness of a Massive Screening for Colorectal Cancer Detection at Community level — Marin et al., The Gulf journal of oncology (paywalled)
- stool
- self-collection
- economics
- colorectal
2022
Clinical validation for tacrolimus and mycophenolic acid monitoring showed that while volumetric absorptive microsampling met analytical criteria after concentration correction, conventional dried blood spots achieved superior adherence to strict clinical criteria, sample quality, and cost efficiency without significant haematocrit bias.
Comparison of conventional dried blood spots and volumetric absorptive microsampling for tacrolimus and mycophenolic acid determination — Paniagua-González et al., Journal of pharmaceutical and biomedical analysis (paywalled)
- blood
- dried
- capillary
- vams
- dbs
- neoteryx-mitra
- self-collection
- validation
- venous-agreement
- tdm
- immunosuppressants
- economics
- haematocrit
2022
A two‑tier decentralised testing strategy using self‑collected saliva pools detected SARS‑CoV‑2 with higher sensitivity than a commercial IVD RT‑qPCR test and enabled identification of asymptomatic cases at lower cost.
RT-qPCR-based tests for SARS-CoV-2 detection in pooled saliva samples for massive population screening to monitor epidemics — Różański et al., Scientific reports
- saliva
- self-collection
- validation
- economics
- serology
2021
A national cohort study of unkept outpatient appointments across NHS England, quantifying the scale of missed appointments and who misses them: the cost of requiring the patient to travel.
Characterising the nationwide burden and predictors of unkept outpatient appointments in the National Health Service in England: A cohort study using electronic health records — Philpott-Morgan et al., PLOS Medicine
- economics
- acceptability
2021
Delahaye et al reviewed dried-blood microsampling devices for home therapeutic drug monitoring, concluding that while patient willingness and feasibility have been demonstrated, clinical adoption remains limited. They emphasised that more extensive analytical and clinical evaluation is essential to prove real-world utility and enable routine integration.
Alternative Sampling Devices to Collect Dried Blood Microsamples: State-of-the-Art — Delahaye et al., Therapeutic drug monitoring (paywalled)
- blood
- dried
- capillary
- volumetric
- self-collection
- validation
- tdm
- economics
- haematocrit
2021
Saliva self-collection with TRIzol extraction matched nasopharyngeal swab performance for SARS-CoV-2 detection while enabling room-temperature storage without specialised tubes, offering a lower-cost decentralised option suitable for large-scale screening programmes.
Development of an alternative saliva test for diagnosis of SARS-CoV-2 using TRIzol: Adapting to countries with lower incomes looking for a large-scale detection program — Miranda-Ortiz et al., PloS one
- saliva
- liquid
- self-collection
- validation
- economics
- serology
2021
Urine self-sampling for HPV detection showed good agreement with clinician-collected cervical samples (Kappa 0.72) under optimised conditions of 40 mM EDTA preservative, storage at 25°C, and processing within 72 hours. With a cost of USD 1.10 and high acceptability among women and healthcare workers, this method offers a practical decentralised screening approach for resource-limited settings.
Performance of an affordable urine self-sampling method for human papillomavirus detection in Mexican women — Hernández-López et al., PloS one
- urine
- self-collection
- validation
- acceptability
- economics
- hpv
- sti
2021
In 1793 participants, self-taken rectal and pharyngeal swabs matched clinician-taken samples for diagnostic accuracy of gonorrhoea and chlamydia detection. The study demonstrated that most infected men who have sex with men would be missed by urogenital testing alone, supporting extragenital self-sampling as a viable component of decentralised STI screening programmes.
Swab-yourself Trial With Economic Monitoring and Testing for Infections Collectively (SYSTEMATIC): Part 1. A Diagnostic Accuracy and Cost-effectiveness Study Comparing Clinician-taken vs Self-taken Rectal and Pharyngeal Samples for the Diagnosis of Gonorrhea and Chlamydia — Wilson et al., Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (paywalled)
- urine
- self-collection
- validation
- economics
- sti
2020
In adult kidney transplant patients, adding DBS home sampling to usual care did not reduce outpatient visits or per-visit costs versus usual care alone, though most patients were willing to use DBS if it cut hospital attendances; logistical optimisation of mailing and timely analysis is required to realise travel and cost benefits.
Effects, costs and implementation of monitoring kidney transplant patients' tacrolimus levels with dried blood spot sampling: A randomized controlled hybrid implementation trial — Veenhof et al., British journal of clinical pharmacology
- blood
- dried
- dbs
- self-collection
- acceptability
- tdm
- immunosuppressants
- dct
- economics
2017
A review of 151 clinical trials found that only 56% met their recruitment targets, with a median retention rate of 89%. Investigators should avoid over-optimistic projections, suggesting a clear role for decentralised, patient-centric sampling to help trials reach their targets.
Recruitment and retention of participants in randomised controlled trials: a review of trials funded and published by the United Kingdom Health Technology Assessment Programme — Walters et al., BMJ Open
- dct
- economics
- acceptability
2017
PCR testing of first-void urine detected Chlamydia trachomatis in 1.6 per cent of asymptomatic pregnant women, and pooling five specimens per pool reduced the number of tests performed by 70 per cent, offering a cost saving approach for decentralised screening.
Detection of <i>Chlamydia trachomatis</i> infections by polymerase chain reaction in asymptomatic pregnant women with special reference to the utility of the pooling of urine specimens — Sethi et al., The Indian journal of medical research
- urine
- first-void
- economics
- sti
2016
Home DBS sampling for therapeutic drug monitoring in children cut total costs per draw by 43% for haemato-oncology patients and 61% for renal transplant patients from a societal perspective, with smaller savings from a healthcare-only viewpoint. The findings support decentralised diagnostics in paediatric care by quantifying the economic advantage of reducing hospital visits.
Cost Evaluation of Dried Blood Spot Home Sampling as Compared to Conventional Sampling for Therapeutic Drug Monitoring in Children — Martial et al., PloS one
- blood
- dried
- dbs
- self-collection
- pediatric
- tdm
- economics
2016
DNA from dried blood spots extracted with a home-made buffer yielded more DNA than a commercial kit at similar quality, and duplex allele-specific qPCR accurately identified all HLA-DQ2 and DQ8 alleles in 558 children, reducing genotyping costs by 60 per cent for population-wide celiac disease and type 1 diabetes screening.
A population-wide applicable HLA-DQ2 and DQ8 genotyping using DNA from dried blood spots and duplex allele-specific qPCR amplification — Aguayo-Patrón et al., Scandinavian journal of clinical and laboratory investigation (paywalled)
- blood
- dried
- dbs
- pediatric
- economics
- genotyping
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