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Browse the failure-mode index

12,246 real negative results, null findings, and replication failures in Medicine. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessMedicine

Quality assessment of routine antenatal care services provided at a primary healthcare facility in a rural area of Delhi, India: A record-based study.

Kataria P, Upadhyay MK, Arya K et al. · 2025 · Journal of family medicine and primary care

Background Antenatal care (ANC) can be defined as the care provided by skilled health-care professionals to pregnant women in order to ensure the best health outcomes. Good quality routine antenatal care forms the foundation of positive…

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Negative / Null Result ReportMedicine

Factors Affecting Quality Control (QC) Failure Rates in Somatic Breast Cancer (BRCA) Gene Testing in Castrate Resistant Prostate Cancer: Experiences From an Australian Cancer Care Centre.

O'Leary C, Yoong E, Matsika A et al. · 2025 · Asia-Pacific journal of clinical oncology

Aims Castrate-resistant prostate cancer (CRPC) is a common malignancy with poor prognostic outcomes. Breast cancer (BRCA) genes 1 and 2 mutations occur in prostate cancers and confer poorer prognoses. Somatic BRCA testing can lead to…

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Negative / Null Result ReportMedicine

The use of a urine lipoarabinomannan test in clinical decision-making regarding empiric tuberculosis treatment among HIV-positive patients suspected to have tuberculosis.

Makgoka TR, De Villiers M, Van Zyl DG · 2025 · South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Background Tuberculosis (TB) is a major contributor to mortality among patients affected by HIV. TB diagnosis can be challenging, especially in those who are severely ill and unable to produce sputum. Urine lipoarabinomannan (LAM) is a…

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Negative / Null Result ReportMedicine

Application of Diagnostic Stewardship to Fungal Polymerase Chain Reaction: Low Yield of Follow-up Testing on Plasma and Bronchoalveolar Lavage After a Negative Result.

Wang T, Park B, Anderson G et al. · 2024 · Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Background Early diagnosis of invasive fungal disease is essential for optimizing management. Although the clinical utility of fungal polymerase chain reaction (PCR) testing on plasma and bronchoalveolar lavage (BAL) has been established,…

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Negative / Null Result ReportOpen accessMedicine

Combination of bacteriophage and antibiofilm compounds from phyllosphere bacteria as a comprehensive strategy for aquaculture and food pathogen control.

May J, Waturangi DE, Tan WA et al. · 2026 · Scientific reports

Biofilm-forming bacteria, such as Bacillus cereus and Vibrio harveyi are major contributors to food contamination and problems in aquaculture. This study aimed to evaluate the antibiofilm compounds of the phyllosphere bacterial…

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Negative / Null Result ReportMedicine

Is it necessary for patients with a positive urine culture to achieve a negative result after antimicrobial treatment before undergoing percutaneous nephrolithotomy?

Zheng J, Guo Q, Yue G et al. · 2025 · World journal of urology

Objective There is ongoing debate regarding whether patients with a positive urine culture (UC) need to wait for the culture to turn negative following antimicrobial treatment before undergoing percutaneous nephrolithotomy (PCNL). This…

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Negative / Null Result ReportMedicine

Association between sleep disturbances and gray matter volume in individuals at clinical high-risk for psychosis and healthy controls: A longitudinal MRI study (NAPLS-3).

Wezenberg BN, Koster M, van Wingen G et al. · 2025 · Schizophrenia research

Objective Sleep disturbances and brain alterations are common in psychotic disorders and individuals at clinical high risk for psychosis (CHR-P). It remains unclear whether gray matter volume changes are inherent to psychosis or partly…

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Negative / Null Result ReportOpen accessMedicine

Characteristics of healthcare workers and health facilities associated with inaccurate recording of malaria rapid diagnostic test results: a multi-country study.

Atobatele S, Mpimbaza A, Ngufor C et al. · 2025 · Malaria journal

Background Malaria rapid diagnostic tests (RDTs) have improved case management and surveillance across sub-Saharan Africa by reducing presumptive treatment and enhancing diagnostic specificity. However, healthcare workers' (HCWs) concerns…

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Negative / Null Result ReportMedicine

Retrospective Evaluation of the Correlation Between Somatostatin Receptor PET/CT and Histopathology in Patients with Suspected Intracranial Meningiomas.

Ebner R, Braach J, Rübenthaler J et al. · 2025 · Journal of nuclear medicine : official publication, Society of Nuclear Medicine

The aim of this retrospective study was to evaluate the correlation between findings from somatostatin receptor (SSTR) PET/CT and histopathology in patients with suspected intracranial meningiomas. Methods: We conducted a retrospective…

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Negative / Null Result ReportOpen accessMedicine

Evaluation of standard and modified two-tiered testing algorithms using well-characterized early Lyme disease samples.

Horn EJ, Menefee B, Schotthoefer AM et al. · 2026 · Journal of clinical microbiology

Current laboratory testing for Lyme disease (LD) relies on serology. We evaluated the performance of standard two-tiered testing (STTT) and modified two-tiered testing (MTTT) algorithms using samples obtained from well-characterized…

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Negative / Null Result ReportOpen accessMedicine

Long bones after suspected "grave robbery": a comparison of different methods for the estimation of the post mortem interval.

Baumgarten J, Stephan E, Ohlwärther TEN et al. · 2026 · Forensic science, medicine, and pathology

Estimation of the postmortem interval (PMI) of found bones is an important and challenging part of forensic osteology assessments. This study examined human long bones that had been taken from cemeteries and hoarded by a "bone collector".…

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Negative / Null Result ReportOpen accessMedicine

Comparative efficacy of once-daily versus twice-daily doxycycline regimens in dogs naturally infected with <i>Ehrlichia canis</i>: A randomized clinical trial.

Taechikantaphat M, Kongchareon A, Julapanthong P et al. · 2026 · Veterinary and animal science

This prospective, randomized clinical trial compared the therapeutic efficacy and rate of platelet recovery of doxycycline 10 mg/kg once daily (SID) (Group A, n=17) versus 5 mg/kg twice daily (BID) (Group B, n=12) in 29 dogs naturally…

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Negative / Null Result ReportOpen accessMedicine

Raw Equid Milk: A Potential Risk for Q Fever?

Mazzotta E, Natale A, Bellinati L et al. · 2025 · Animals : an open access journal from MDPI

Equid milk (donkey or mare) has traditionally been consumed raw or fermented due to its distinctive chemical composition, which closely resembles human milk, and its nutritional benefits. Nowadays, interest in it is increasing, despite…

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Negative / Null Result ReportOpen accessMedicine

Comparison of boiling versus magnetic bead techniques in nucleic acid extraction for human papillomavirus detection: evidence based 17,179 cases.

Bai M, Li Y, Gao Q et al. · 2025 · Virology journal

Purpose Present study aimed to compare the boiling and magnetic bead nucleic acid extraction method for HPV genotypes detection. Methods By mixing hemoglobin with HPV positive quality control products, the anti-interference ability of two…

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Negative / Null Result ReportOpen accessMedicine

Cytomegalovirus (CMV)-Specific Cell-Mediated Immunity for Prediction of Postprophylaxis CMV Disease in a Phase 3 Trial of Letermovir Versus Valganciclovir Prophylaxis in Donor CMV-Seropositive/Recipient CMV-Seronegative Kidney Transplant Recipients.

Limaye AP, Crespo M, Kamar N et al. · 2026 · Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Background QuantiFERON-cytomegalovirus (QFT-CMV) is a standardized assay for the evaluation of cytomegalovirus-specific cell-mediated immunity (CMV-CMI). Objectives The purpose of this study was to assess the evolution of CMV-CMI…

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Negative / Null Result ReportOpen accessMedicine

Identification of Factors Predicting False-Negative Results in Sentinel Lymph Node Biopsy in Patients Undergoing Surgery for Breast Cancer: A Single-Center Retrospective Study.

Bölük S, Bölük S · 2025 · Cureus

Background In breast cancer surgery, sentinel lymph node biopsy (SLNB) is routinely utilized for axillary assessment. Frozen section examination of the sentinel lymph node (SLN) is used to guide the decision for axillary dissection.…

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Negative / Null Result ReportOpen accessMedicine

Addition of Clomiphene Citrate to a Low-Dose Gonadotropin-Releasing Hormone (GnRH)-Antagonist Protocol in Poor Responders: A Prospective Cohort Study.

Triantafyllidou O, Panagodimou E, Chasiakou S et al. · 2026 · Cureus

Objective To evaluate whether the addition of clomiphene citrate (CC) to a low-dose recombinant follicle-stimulating hormone (FSH) (r-FSH) gonadotropin-releasing hormone (GnRH)-antagonist protocol improves clinical outcomes in women with…

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Negative / Null Result ReportMedicine

Effect of [<sup>68</sup>Ga]Ga-PSMA-11 PET-CT in the diagnosis of prostate cancer in men with equivocal or clinically high-risk non-suspicious findings on multiparametric MRI (PRIMARY2): a multicentre, non-inferiority, phase 3, randomised controlled trial.

Buteau JP, Moon D, Fahey MT et al. · 2026 · The Lancet. Oncology

Background MRI is recommended for men with clinical suspicion of significant prostate cancer. Those with high clinical risk but non-suspicious or equivocal MRI often undergo prostate biopsy, but have a low likelihood of clinically…

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