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Browse the failure-mode index

21,733 real negative results, null findings, and replication failures. 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 ReportMedicine

Quantitative and Comparative Analysis of Dream Content in Parkinson's Disease Patients Undergoing Deep Brain Stimulation: A Pilot Study.

Joswig H, Oreizi-Esfahani S, Medack S et al. · 2026 · World neurosurgery

Background Parkinson's disease (PD) is a neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra, resulting in motor and nonmotor symptoms including diminished sleep quality and altered dream…

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Negative / Null Result ReportMedicine

Psychopathological correlates of early childhood sleep terror: associations with nutritional biomarkers, behavioral dysregulation, and sleep disturbance.

Esen Öksüzoğlu M, Kabukçu HO · 2026 · BMC psychiatry

Background Sleep terror (ST) is a common NREM parasomnia in early childhood and may be associated with broader emotional and behavioral dysregulation. However, its links with psychopathological symptoms and nutritional biomarkers remain…

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Negative / Null Result ReportMedicine

Airway Mucus Occlusions in Ex-Smokers with and Without COPD.

Tcherner S, Durom E, Peters J et al. · 2026 · COPD

In patients with moderate-to-severe COPD, airway mucus-occlusions correlate with airflow limitation, exacerbation and mortality-risk. However, the clinical relevance of mucus-plugs in milder COPD is not well-understood. We evaluated…

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Negative / Null Result ReportMedicine

The Effect of Pessary Insertion on Pelvic Anatomy: A Prospective Observational Study Using Upright MRI.

Steen AV, Simmering JA, Perik M et al. · 2026 · BJOG : an international journal of obstetrics and gynaecology

Objective To determine the anatomical effect of pessaries in the upright position in women with pelvic organ prolapse (POP). Design Prospective observational cohort study. Setting Outpatient clinic of our gynaecology department. Population…

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Negative / Null Result ReportMedicine

Potential usefulness of [123I]I-MIBG SPECT/CT with AC Quant protocols in diagnostics and treatment monitoring of children with neuroblastoma.

Śliwińska A, Świtaj K, Durma AD · 2026 · Nuclear medicine review. Central & Eastern Europe

Background Neuroblastoma (NB) is the most common extracranial solid tumor in children. Metaiodobenzylguanidine (MIBG) selectively accumulates in adrenergic tissue, enabling its use for diagnostic imaging of NB. The implementation of new…

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Negative / Null Result ReportMedicine

Driving Cerebellar Theta Oscillations Interferes With Voluntary Neck Movements in Cervical Dystonia.

Costa D, Guerra A, Birreci D et al. · 2026 · Movement disorders : official journal of the Movement Disorder Society

Background Cervical dystonia (CD) is a movement disorder with a complex pathophysiology, including cerebellar abnormalities. Transcranial alternating current stimulation (tACS), a noninvasive neuromodulation technique capable of entraining…

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Negative / Null Result ReportMedicine

Maxillary Advancement and Impaction Increase the Size of the Nasal Airway Anterior to the Piriform Aperture, but Not Posterior to it.

Giotakis AI, Steinbichler TB, Heppt H et al. · 2026 · The Journal of craniofacial surgery

The exact nasal changes caused by several types of maxillofacial surgery are not yet thoroughly understood. The aim of the present study was to determine the exact nasal airway changes caused by maxillary advancement and impaction. In a…

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Negative / Null Result ReportOpen accessMedicine

Lean Mass Gains, Cardiac Remodeling, and Muscle Oxidative Changes With High-Dose Salbutamol During Resistance Training: A Randomized Controlled Trial.

Hostrup M, Jessen S, Tischer SG et al. · 2026 · Scandinavian journal of medicine & science in sports

Misuse of beta 2 -agonists to promote leanness is increasingly reported among young men undertaking resistance training. However, preclinical models demonstrate adverse cardiac remodeling with high-dose beta 2 -agonist. We investigated…

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Negative / Null Result ReportMedicine

Change in modified star excursion balance test performance between 6 and 12 months after anterior cruciate ligament reconstruction.

Rostron ZPJ, Feller JA, McClelland JA et al. · 2026 · Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine

Objectives To determine the change in modified star excursion balance test scores in patients between 6 and 12 months following anterior cruciate ligament (ACL) reconstruction and the change in the proportion of patients who met…

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Negative / Null Result ReportMedicine

The impact of hormonal contraceptives containing estradiol, estradiol valerate, and estetrol on liver proteins, lipids, glucose, blood pressure, and bone. A literature review.

Cagnacci A, Xholli A, Gabbi L et al. · 2026 · The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception

Objective We investigated the metabolic profile induced by contraceptives containing body-identical oestrogens. Methods A literature search was made for articles on contraceptives with oestradiol/nomegestrol acetate (E2/NOMAc), oestradiol…

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Negative / Null Result ReportMedicine

Quantification of Changes in Bifidobacteria and Lactobacilli Colony-forming Units During Rifaximin Treatment and Synbiotic Gel in Healthy Volunteers.

Cassís-Nosthas ML, Vorácková FV, Dzib FT et al. · 2026 · Journal of visualized experiments : JoVE

Although the gut microbiota is generally stable, it can be influenced by antibiotic treatment. Rifaximin, which is used to treat gastrointestinal disorders, is frequently administered with probiotics to reduce the risk of dysbiosis.…

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Negative / Null Result ReportMedicine

Cerebral physiology following general anaesthesia with sevoflurane or propofol in healthy volunteers - a randomised, single-blind cross-over trial.

Madsen SS, Asghar MS, Lindberg U et al. · 2026 · Journal of applied physiology (Bethesda, Md. : 1985)

Although general anaesthesia is a very common medical procedure, knowledge of how the brain physiologically recovers remains limited. In this randomized cross-over trial, we investigated brain physiology during recovery from general…

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