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Browse the failure-mode index

19,918 real negative results, null findings, and replication failures · Negative / Null Result Report. 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

Dose-dependent effects of dietary quercetin supplementation on growth performance, nutrient digestibility, meat composition, bone mineralization, and profitability in broilers.

Saied, Yousuf, Rahman et al. · 2026 · Journal of advanced veterinary and animal research

Objectives: This study aimed to determine the optimal dose of quercetin (plant origin) on growth performance, nutrient digestibility, meat composition, shank mineralization, and production costs in broilers. Materials and Methods: A total…

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Negative / Null Result ReportMedicine

MALICoT: A pilot cross-sectional study analyzing the effects of power training and age on endomysium content and fiber area in the soleus muscle of adult males.

Clemen, Humbsch, Berwanger et al. · 2026 · Physiological reports

The cross-sectional Master Athletic Laboratory Study of Intramuscular Connective Tissue (MALICoT, DRKS00015764) examined effects of athletic exercise and age on endomysium content in human soleus muscle. Forty-three clinically healthy male…

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Negative / Null Result ReportMedicine

The Effect of Griffonia simplicifolia on Pain Intensity, Central and Peripheral Sensitization, and Pain Modulation in Healthy Volunteers-A Randomized, Double-Blinded, Placebo-Controlled Crossover Trial.

Schlemmer, Hammer, Fandler-Höfler et al. · 2026 · Nutrients

Background : The plant Griffonia simplicifolia is marketed as a dietary supplement; it is said to have antidepressant and sleep-promoting properties. Its main ingredient, 5-hydroxytryptophan (5-HTP), is the immediate precursor of serotonin…

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Negative / Null Result ReportMedicine

Clinical Strategies to Improve the Accuracy of Articulating Paper for Detecting Occlusal Contact Points in Adults with Natural Dentitions.

Rovira-Lastra, ElOtmani-Sabiri, Ustrell-Barral et al. · 2026 · Diagnostics (Basel, Switzerland)

Background/Objectives : This clinical study assessed the validity of articulating paper for detecting occlusal contacts points, including examining the effects of clinical technique, paper thickness, and the arch. Methods : This…

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Negative / Null Result ReportMedicine

Upper Arm to Upper Leg Length Ratio and Dyslipidemia: A Novel Application of a Fixed Skeletal Proportion Metric in a Nationally Representative U.S. Sample.

Ahmed, Nath, Jahan et al. · 2026 · International journal of environmental research and public health

Conventional anthropometric measures used to predict dyslipidemia, such as body mass index and waist circumference, vary over time and may not fully capture early-life influences on metabolic risk. Fixed skeletal proportions, including…

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Negative / Null Result ReportMedicine

Low-Volume Versus Standard-Volume Pericapsular Nerve Group Block with and Without Dexamethasone for Postoperative Analgesia After Total Hip Arthroplasty: A Randomized Controlled Trial.

Reysner, Ciftci, Alver et al. · 2026 · Journal of clinical medicine

Background: The pericapsular nerve group block provides motor-sparing analgesia after total hip arthroplasty, but the optimal injectate volume and the role of dexamethasone remain unclear. Methods: In this prospective, randomized,…

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Negative / Null Result ReportMedicine

Hope for Romantic Relationships: Validation of a Brief Scale.

Marici, Marina, Cormoș · 2026 · Behavioral sciences (Basel, Switzerland)

This study aimed to develop and validate a brief measure of hope for romantic relationships (HRR), conceptualized as a future-oriented evaluation of relational continuity and quality. The sample consisted of 525 participants. Exploratory…

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Negative / Null Result ReportMedicine

The Effect of Acupressure on Procedural Pain, Anxiety, and Hemodynamic Parameters During Chest Tube Removal in Open-Heart Surgery Patients: A Randomized Sham-Controlled Study.

Kandemir, Yüksel, Çam Yanık et al. · 2026 · Pain management nursing : official journal of the American Society of Pain Management Nurses

Patients undergoing open-heart surgery often experience procedural pain and anxiety during chest tube removal (CTR), which can lead to serious complications, along with potential changes in hemodynamic parameters such as blood pressure,…

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Negative / Null Result ReportMedicine

Effects of Tele-Pilates Exercise on Menopausal and Urogenital Symptoms and Psychosocial Outcomes in Postmenopausal Women: A Randomized Controlled Trial.

Arslan, Tufekci, Acar et al. · 2026 · International urogynecology journal

This study aimed to examine the effects of tele-Pilates exercise on menopausal symptoms, quality of life, depression, and anxiety levels in postmenopausal women. Forty postmenopausal women were separated into two groups: as tele-Pilates…

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Negative / Null Result ReportMedicine

Characterizing the nasal microbiome using a nasal allergen challenge model.

Linton, Sjaarda, Hossenbaccus et al. · 2026 · The Journal of allergy and clinical immunology

The role of the nasal microbiome in allergic rhinitis (AR), particularly following direct allergen exposure using a controlled model, is incompletely understood. Understanding microbiome dynamics after allergen challenge could provide…

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Negative / Null Result ReportMedicine

Three-Season Analysis of Physical Performance in Professional English Football: Influence of Match Outcome, Match Location, and Players' Position During Official Competitions.

Beato, Allen, Jamil et al. · 2026 · Journal of strength and conditioning research

Beato, M, Allen, M, Jamil, M, and Vicens Bordas, J. Three-season analysis of physical performance in professional English football: Influence of match outcome, match location, and players' position during official competitions. J Strength…

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Negative / Null Result ReportMedicine

Systemic Inflammatory and Hematologic Biomarkers in Pediatric Dental Caries: Clear Group Differences with Limited Independent Association with DMFT.

Petrache, Boldeanu, Diaconu et al. · 2026 · Journal of clinical medicine

Background: Dental caries in children has been explored not only as a local oral condition but also in relation to potential systemic inflammatory changes. This study evaluated systemic inflammatory biomarkers and hematologic indices in…

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Negative / Null Result ReportMedicine

Efficacy of a 10-MDP-Containing Cleaner on the Bond Strength to Saliva Contaminated Dentin.

Hayashi-Wells, Phark, Duarte · 2026 · Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]

To evaluate the effect of saliva contamination and a 10-MDP-containing cleaner (Katana Cleaner; Kuraray Noritake, Japan) on the shear bond strength (SBS) of an ultra-mild universal adhesive applied in self-etch mode to human dentin.…

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