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19,840 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

Impact of ultrahypofractionated adjuvant regional nodal radiotherapy on patient-reported quality of life: the HYPORT adjuvant trial (NCT03788213).

Chakraborty S, Chatterjee S, S P et al. · 2026 · Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

Introduction The HYPORT Adjuvant trial is comparing a one-week (26 Gy) course of adjuvant breast radiotherapy (RT) to a three-week (40 Gy) course. We report the interaction of regional nodal irradiation (RNI) and the dose fractionation…

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Negative / Null Result ReportMedicine

Evaluating Joint Position Sense With 3D Motion Capture System: The Effect of Muscle Activation Without a Reference Angle in Shoulder Movements.

Lim W · 2026 · Physiotherapy research international : the journal for researchers and clinicians in physical therapy

Background and purpose Joint position sense (JPS) is frequently assessed using joint position reproduction (JPR); however, JPR has limitations, where reference angles are typically unavailable. This study aimed to examine the accuracy of…

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Negative / Null Result ReportMedicine

No difference in patella mobility between conventional mechanically aligned and robotic-assisted functionally aligned total knee arthroplasty.

Lachowski K, Naja KM, Prill R et al. · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

Purpose Robotic-assisted (RA) surgery allows for higher accuracy in total knee arthroplasty (TKA) and for better standardization of alignment concepts. It was hypothesized that the more personalized component placement in functional…

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Negative / Null Result ReportMedicine

Identifying Candidate Mediators Linking ADHD Symptoms and Internalising Problems in Adolescence: An Exploratory Longitudinal Mediation Analysis.

Murray AL, Dryburgh K, Sonuga-Barke EJS · 2026 · Journal of attention disorders

Objective ADHD and internalising symptoms such as anxiety and depression are known to be associated in adolescence and understanding the mechanisms linking them is important for improving mental health outcomes for adolescents with ADHD…

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Negative / Null Result ReportMedicine

Biodegradable plastic mulches: Distinct effects on microbial communities but no impact on soil multifunctionality during cabbage production.

Liang R, Mei L, Ding J et al. · 2026 · Journal of hazardous materials

Biodegradable plastic mulches (BDMs) are increasingly promoted as environmentally friendly alternatives to conventional mulches. However, the ecological impacts of different BDMs on soil remains incompletely understood. A field experiment…

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Negative / Null Result ReportMedicine

Prospective Trial of Radiofrequency Catheter Ablation of High Dominant Frequencies After Pulmonary Vein Isolation in Non-Paroxysmal Atrial Fibrillation (PAD-AF Trial): A Multicenter, Randomized Clinical Trial.

Kumagai K, Hasegawa T, Kutsuzawa D et al. · 2026 · Journal of cardiovascular electrophysiology

Background The role of dominant frequency (DF)-guided ablation after pulmonary vein isolation (PVI) in persistent atrial fibrillation (AF) remains uncertain. We evaluated the clinical and mechanistic impact of DF mapping in a multicenter…

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Negative / Null Result ReportMedicine

The impact of clinical presentation on one-year major adverse cardiac events in patients with angiographically defined moderate to severe calcified coronary artery disease.

Mkrtchjan A, Ntantou E, Siskos AA et al. · 2026 · The Journal of invasive cardiology

Objectives The authors aimed to investigate the impact of clinical presentation on 1-year major adverse cardiac events (MACE) in patients with angiographically defined moderate or severe calcified coronary artery disease. Methods The…

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Negative / Null Result ReportMedicine

In neonates, how effective is lung ultrasonography in directing chest physiotherapy intervention when compared to the combination of chest x-ray and auscultation?

Hough J, Gouveia M, Steele M et al. · 2026 · Physiotherapy

Objective Evaluate the impact of lung ultrasound (LUS) compared to current chest physiotherapy (CPT) outcome measures on clinical decision-making in the Neonatal Intensive Care Unit (NICU). Design and setting Single-centre prospective…

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Negative / Null Result ReportOpen accessMedicine

Effect of cold atmospheric pressure plasma on wettability of implant prosthetic materials: an in-vitro study.

Bayadse M, Grander L, Steiner L et al. · 2026 · International journal of implant dentistry

Purpose Surface wettability is a key factor in bonding of dental materials. The aim of the present study was to investigate the influence of different exposure times of cold atmospheric pressure plasma at constant power on the surface…

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Negative / Null Result ReportMedicine

Peri-Implant Reconstruction With Autogenous Bone and Electrolytic Therapy: A Randomized Controlled Clinical Trial.

Puisys A, Akhondi S, Vindasiute-Narbute E et al. · 2026 · Clinical implant dentistry and related research

Objectives To evaluate the efficacy of peri-implant reconstructive therapy using autogenous tuberosity bone grafts, with or without adjunctive electrolytic therapy, as part of surgical treatment for peri-implantitis. Methods This…

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Negative / Null Result ReportMedicine

How changes to frequency of treatment and mode of treatment improved paediatric speech-language pathology services: A pragmatic clinical trial.

Van Epps VM, Daur-Schierholz M, Dortenzio M et al. · 2026 · International journal of speech-language pathology

Purpose This pragmatic clinical trial examined the functional impact of a modified speech-language pathology intervention delivery model (including telepractice, reduced therapy frequency, and emphasised home programmes with parent…

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Negative / Null Result Report

The influence of verbalization versus imagery on trauma memory

Rupietta AE, Meyer T, Margraf J et al. · 2026 · Preprint

Background: Cognitive theories on trauma memory postulate that trauma-related intrusions are associated with more data-driven and less contextual processing. However, contextualisation can be enhanced via verbalization, suggesting that…

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Negative / Null Result ReportMedicine

Evaluation of Short-Term Stall Size Housing on the Behavior and Welfare of Domestic Horses (Equus caballus).

Outouil M, Daugherity EK, Warnick LD et al. · 2026 · Journal of the American Association for Laboratory Animal Science : JAALAS

Single-stall housing is a common system used for horses in various settings, including racing stables, riding schools, teaching and research facilities. Adequate stall space is necessary for horses to lie down and make postural…

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Negative / Null Result ReportMedicine

Is multimodal monitoring effective in detecting neurological changes in cases of severe idiopathic scoliosis after halo gravity traction?: a series of 70 patients.

Richard L, Vermersch AI, Saghbini E et al. · 2026 · Neurophysiologie clinique = Clinical neurophysiology

Objective Severe scoliosis, defined by a Cobb angle exceeding 80°, requires surgical correction and is associated with a high risk of postoperative neurological complications. These complications may be reduced by halo gravity traction…

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Negative / Null Result ReportMedicine

Pilot Testing a Narrative Psychoeducational Video to Reduce Stigma and Improve Mental Health Literacy and Help-Seeking Among Latinx Adults: Examining Gender Differences and Contextual Insights.

Saravia DH, Silvan YA, Martinez JI · 2026 · Community mental health journal

Despite similar rates of mental illness, non-Latinx Whites (NLW) received care at higher rates compared to Latinxs (National Institute of Mental Health, 2024). Latinx adults report lower mental health literacy (MHL) and higher stigma…

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Negative / Null Result ReportMedicine

Behavioral Incentives for Exercise and Intra-Articular Glucocorticoids for Knee Osteoarthritis: Results From a Factorially Designed Pragmatic Randomized Clinical Trial.

Baker JF, Wysham KD, Quinones M et al. · 2026 · Arthritis & rheumatology (Hoboken, N.J.)

Objective The purpose of this study was to determine the benefit of a behaviorally designed incentive program and glucocorticoid injections in reducing symptoms and promoting physical activity in patients with knee osteoarthritis (KOA).…

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Negative / Null Result ReportMedicine

Use of Er:YAG Laser for Disinfection of Infected Carious Dentin: Microbiological Evaluation and Scanning Electron Microscopy Analysis.

Marcondes Pinto MO, Arana-Chavez VE, Trevelin LT et al. · 2026 · Photobiomodulation, photomedicine, and laser surgery

Objective To evaluate the antimicrobial efficacy of Er:YAG laser for disinfection of softened carious dentin using subablative parameters. Background Current literature lacks robust scientific evidence supporting the use of Er:YAG laser…

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