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Browse the failure-mode index

12,244 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 ReportMedicine

Platelet-Rich Plasma and Bone Marrow Stimulation in Double-Row Rotator Cuff Repair Does Not Improve Clinical Outcomes but Reduces Retear Rates: A Retrospective Analysis With Propensity Score Matching.

Chang HH, Chun YM, Kim SJ et al. · 2026 · Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association

Purpose To compare clinical and radiologic outcomes among patients undergoing double-row suture bridge (DRSB) repair alone, DRSB with platelet-rich plasma (PRP) augmentation, and DRSB with bone marrow stimulation (BMS) augmentation.…

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Negative / Null Result ReportMedicine

The Influence of Os Acromiale on Patient Outcomes After Reverse Total Shoulder Arthroplasty: A Matched Cohort Study.

Schneider BS, Pfaehler CD, Hao KA et al. · 2026 · The Journal of the American Academy of Orthopaedic Surgeons

Background Although os acromiale is often noted on preoperative imaging in patients undergoing reverse total shoulder arthroplasty (rTSA), its clinical significance is ill-defined. The purpose of this study was to compare the clinical…

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Negative / Null Result ReportMedicine

Effectiveness and Safety of Ozone Therapy in Humans: An Umbrella Review of Systematic Reviews with Meta-Analyses of Randomized Clinical Trials.

Cacciatore S, Abbatecola G, Calvani R et al. · 2026 · Medical sciences (Basel, Switzerland)

Background/objectives Ozone therapy has been proposed across multiple clinical conditions based on hormetic, antioxidant, and immunomodulatory effects, but its efficacy and safety remain controversial. We conducted an umbrella review to…

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Negative / Null Result ReportMedicine

Ketogenic diet as a therapeutic intervention for biochemical hyperandrogenism in PCOS women with obesity or overweight: a meta-analytic study.

Maseroli E, Alfaroli C, Cirillo M et al. · 2026 · Journal of endocrinological investigation

Purpose To assess whether the Ketogenic Diet (KD) is associated with improvements in biochemical markers of hyperandrogenism in women diagnosed with Polycystic Ovary Syndrome (PCOS) with obesity or overweight. Methods A systematic search…

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Negative / Null Result ReportOpen accessMedicine

Is there a role for adjuvant radiotherapy after partial laryngectomy? A propensity score matched analysis.

Belgioia L, D'Onofrio I, Filauro M et al. · 2026 · Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale

Objective To evaluate the impact of postoperative radiotherapy (PORT) on survival outcomes in patients with laryngeal cancer treated with partial laryngectomy. Methods In this retrospective multicentre study, 312 patients with supraglottic…

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Negative / Null Result ReportMedicine

Diabetes Mellitus and Early Antiplatelet Treatment for Minor Stroke Following Intravenous Thrombolysis: Prespecified Secondary Analysis of the EAST Trial.

Cui Y, Liu JL, Jiang CH et al. · 2026 · Diabetes, obesity & metabolism

Background Early dual antiplatelet therapy (DAPT) after intravenous thrombolysis is safe but ineffective in improving 90-day functional outcomes in minor stroke. Given the effect of diabetes mellitus (DM) with antiplatelet treatment, we…

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Negative / Null Result ReportMedicine

Is postoperative routine thoracic imaging necessary to detect thoracic complications in patients undergoing supracostal mini percutaneous nephrolithotomy (m-PCNL) surgery?

Esmeray A, Yazili HB, Gelmis M et al. · 2026 · The Canadian journal of urology

Objectives Supracostal access during percutaneous nephrolithotomy (PCNL) increases the risk of pulmonary complications. Although routine postoperative thoracic imaging is commonly performed to detect these events, its clinical necessity…

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Negative / Null Result ReportMedicine

Preoperative Management of Patients With Myasthenia Gravis: A Review of the Evidence.

Alhammadi S, Chalk C · 2026 · The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques

Myasthenia gravis (MG) is an autoimmune neuromuscular disorder characterized by fatigable weakness and increased perioperative vulnerability. Postoperative myasthenic crisis, defined as respiratory failure requiring prolonged ventilation…

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Negative / Null Result ReportOpen accessMedicine

Effect of HEPA filtration air purifiers on cognitive function from a secondary outcome analysis of a pragmatic randomized crossover trial.

Pellegrino N, Eliasziw M, Fortinsky R et al. · 2026 · Scientific reports

Exposure to particulate matter is associated with adverse health outcomes such as cardiovascular and neurological diseases. However, there are few intervention studies that have examined short-term changes in air particulate exposure and…

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Failed Experiment ReportMedicine

Efficacy and safety of adjunctive treatment with the fatty acid amide hydrolase inhibitor JNJ-42165279 in participants with major depressive disorder with anxious distress: A double-blind, placebo-controlled, randomised study.

Schmidt ME, Gargano C, Zhou X et al. · 2026 · European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology

JNJ-42165279 is a potent, selective inhibitor of fatty acid amide hydrolase (FAAH), the enzyme responsible for degradation of the endocannabinoid N-arachidonoylethanolamide (anandamide), which plays a role in regulation of fear and anxiety…

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Negative / Null Result ReportMedicine

Real world experience of intraoperative radiation therapy (IORT) during lumpectomy for early-stage breast cancer: retrospective data from a single large institutional observational study.

Scherer C, Fung V, Anzellini D et al. · 2026 · Breast cancer (Tokyo, Japan)

Background We report outcomes of patients who received intraoperative radiation therapy (IORT) using 50 kV after lumpectomy and sentinel lymph node biopsy. Methods Women with age > 45 and post-menopausal status, localized, unifocal,…

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Negative / Null Result ReportMedicine

Dual Antiplatelet Therapy beyond 1 Year after a Myocardial Infarction Compared with Low-Dose Aspirin Alone: A 3-Year Follow-Up Cohort Study Within the French SNDS Nationwide Claims Database.

Blin P, Danchin N, Benichou J et al. · 2026 · American journal of cardiovascular drugs : drugs, devices, and other interventions

Introduction Antiplatelet therapy with low-dose aspirin, alone or as dual antiplatelet therapy (DAPT) with a P2Y 12 inhibitor, is used in secondary prevention following myocardial infarction (MI). However, the optimal duration of DAPT is…

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Negative / Null Result ReportMedicine

[Analysis of the reimbursement times of antitumor drugs in Italy in relation to the clinical benefit expressed by the European Society for Medical Oncology (ESMO-MCBS)].

Romagnoli A, Marcellusi A, Lasala R · 2025 · Recenti progressi in medicina

Introduction Rapid access to safe and effective oncological therapies is crucial. In recent years, many expensive drugs have been commercialized, making it essential to prioritize those with significant clinical benefits. For this purpose,…

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Negative / Null Result ReportOpen accessMedicine

Propensity score-matched evaluation of prophylactic hyperthermic intraperitoneal chemotherapy in geriatric patients with locally advanced colorectal cancer: safety and survival benefits.

Yang M, Yang S, Zhang W et al. · 2026 · BMC cancer

AIM: The role of prophylactic hyperthermic intraperitoneal chemotherapy (HIPEC) in elderly patients with locally advanced colorectal cancer (LACRC) remains controversial. This study aimed to evaluate the perioperative safety and survival…

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Negative / Null Result ReportMedicine

Computer-aided polyp detection multicenter international randomized controlled study with a focus on community clinics: Geriatric Assessment-Driven Intervention clinical trial.

Leggett CL, Plowman RS, Surace L et al. · 2026 · Gastrointestinal endoscopy

Background and aims Computer-aided polyp detection (CADe) systems can enhance polyp detection, although their performance has largely been evaluated at academic rather than community practices. This randomized controlled trial evaluated…

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Negative / Null Result ReportMedicine

Computer-Assisted Versus Freehand Surgery in Oncological Margins Control for Oral Squamous Cell Carcinomas: A Retrospective Case-Control Clinical Study.

Marzi Manfroni A, Scaccini OP, Ceccariglia F et al. · 2026 · Head & neck

Background Margin control is a crucial prognostic factor in head and neck oncological surgery. This retrospective case-control study aims to assess the superiority of computer-assisted surgery compared to traditional surgery in achieving…

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Negative / Null Result ReportOpen accessMedicine

Soluble neprilysin and the translational continuum in cardio-oncology.

Camilli M, Abbate A · 2026 · Cardio-oncology (London, England)

In cardio-oncology, the gap between mechanistic studies and pharmacological trials impedes the delineation of effective cardioprotective strategies. The angiotensin-receptor/neprilysin inhibitor (ARNI) have shown beneficial effects in…

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Negative / Null Result ReportMedicine

Longitudinal Estimation of Adequate Physical Activity Levels to Reduce the Risk of Alzheimer's Disease and Other Dementias in Older Adults With Mild Cognitive Impairment.

Lee J, Kim J, Lee K · 2026 · Journal of physical activity & health

Background Although previous studies have identified a positive relationship between physical activity (PA) participation and cognitive function in older adults, further research is needed to determine the level of PA necessary to…

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