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Browse the failure-mode index

11,416 real negative results, null findings, and replication failures in Medicine · 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 ReportOpen accessMedicine

Resolution rate of prescribing errors after advice from a specialised hospital pharmacist or a substitute hospital pharmacist: a retrospective cross-sectional study.

Wilkes S, Kalfsvel L, van Rosse F et al. · 2026 · European journal of hospital pharmacy : science and practice

Objectives Specialised hospital pharmacists, integrated in medical teams on the ward, can improve medication safety. When a specialised hospital pharmacist is temporarily not available, the pharmaceutical care will be conducted by a…

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Negative / Null Result ReportOpen accessMedicine

Effects of Luteolin and Apigenin on Adipogenesis Markers PPARγ and FABP4 and Thermogenesis Marker UCP1 in 3T3-L1 Preadipocyte Cell Line.

Uysal Yeler G, Sivaslıoğlu A, Gülsün T et al. · 2025 · International journal of molecular sciences

Peroxisome proliferator-activated receptor γ (PPARγ) plays a crucial role in the differentiation and maturation of preadipocytes. PPARγ promotes adipogenesis by inducing the expression of fatty acid-binding protein 4 (FABP4). Uncoupling…

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Negative / Null Result ReportOpen accessMedicine

The administration of proton pump inhibitors with the CDK4/6 inhibitor abemaciclib does not affect the clinical outcome of metastatic breast cancer patients.

Crucitta S, Cinacchi P, Bargagna I et al. · 2026 · Therapeutic advances in drug safety

Background CDK4/6 inhibitors abemaciclib, palbociclib, and ribociclib have rapidly become an established oral treatment for patients with ER+, HER2- locally advanced or metastatic breast cancer. The use of the oral route offers convenience…

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Negative / Null Result ReportOpen accessMedicine

In vitro and in vivo acaricidal properties of orally delivered ivermectin against the blacklegged tick, Ixodes scapularis.

van Oosterwijk JG, Richer L, Beimfohr-Griffing LK et al. · 2026 · Parasites & vectors

Background The lack of effective and affordable new environmental tick control products is one of the major challenges to the existing control strategies against the blacklegged tick (Ixodes scapularis), the vector of Lyme disease…

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Negative / Null Result ReportOpen accessMedicine

A Dominant Mutation in G<sub>α</sub>s-Protein Increases Hair Pigmentation.

Goff PS, Budd P, Logan DW et al. · 2025 · Pigment cell & melanoma research

We have identified a chemically induced mouse mutation which increases the eumelanic hair pigmentation. We identify a coding mutation, A3533G, resulting in an amino acid substitution Y1133C, in the Gnas gene encoding the G α s subunit of…

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Negative / Null Result ReportMedicine

Electrical stimulation of the dorsal motor nucleus of the vagus in male mice can regulate inflammation without affecting the heart rate.

Falvey A, Palandira SP, Chavan SS et al. · 2024 · Brain, behavior, and immunity

Background The vagus nerve plays an important role in neuroimmune interactions and in the regulation of inflammation. A major source of efferent vagus nerve fibers that contribute to the regulation of inflammation is the brainstem dorsal…

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Negative / Null Result ReportOpen accessMedicine

Effects of a Mat Pilates Exercise Program Associated with Photobiomodulation Therapy in Patients with Chronic Nonspecific Low Back Pain: A Randomized, Double-Blind, Sham-Controlled Trial.

Merlo JK, da Silva AV, Casonatto J et al. · 2024 · Healthcare (Basel, Switzerland)

Objective To investigate the effects of combining a Pilates program with photobiomodulation therapy (PBMT) in patients with chronic nonspecific low back pain (CNLBP). Methods Thirty-eight adults with CNLBP were randomly assigned to two…

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Negative / Null Result ReportMedicine

The Effects of Recovery Sleep on Experimental Pain.

Stroemel-Scheder C, Lautenbacher S · 2023 · The journal of pain

Recent research suggests that recovery sleep (RS) has the potential to restore pain sensitivity and modulation after hyperalgesia due to preceding sleep deprivation. However, it has not yet been systematically examined whether the…

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Negative / Null Result ReportOpen accessMedicine

Adjuvant denosumab for early breast cancer-Evidence and controversy.

Moretti L, Richelmi L, Cosentini D et al. · 2024 · Breast (Edinburgh, Scotland)

The efficacy of adjuvant denosumab in combination with hormonotherapy in breast cancer patients was investigated in two randomized trials, ABCSG-18 and D-Care, but the results were mixed with respect to the impact of this drug on…

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Negative / Null Result ReportOpen accessMedicine

Association of the rs2814778 variant in the ACKR1 gene, responsible for the Duffy erythrocyte antigen "null" phenotype, with COVID-19 severity in Southern Brazil.

Góis KS, Braga M, Souza VH et al. · 2026 · Einstein (Sao Paulo, Brazil)

Objective This study aimed to analyze the possible association between rs2814778, rs12075 ( ACKR1 gene), and rs4073 ( CXCL8 gene) single nucleotide variants and COVID-19 severity. Methods This cross-sectional study included 319 COVID-19…

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Negative / Null Result ReportOpen accessMedicine

Can antioxidants' supplementation modulate the impact of dietary deoxynivalenol and zearalenone co-contamination on the systemic and mucosal immune response of weaned pigs?

Lo Verso L, Lessard M, Lauzon K et al. · 2026 · Journal of animal science

This study aimed to determine the effects of deoxynivalenol (DON) and zearalenone (ZEA) co-contamination on systemic immune responses and intestinal mucosal immunity in weaned piglets and to evaluate the mitigating ability of antioxidant…

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Negative / Null Result ReportMedicine

Comparison of the effects of antibiotic therapy and photobiomodulation with red and infrared lasers on the healing of postextraction sockets of third molars: A randomised controlled trial.

Alves Pereira D, Silva Bonatto M, Souza Santos S et al. · 2025 · Lasers in medical science

The aim of this study was to evaluate the effects of dual-wavelength photobiomodulation (PBMT) compared with antibiotic therapy with amoxicillin on postoperatory healing and symptoms after third molar extraction. Sixty patients were…

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Negative / Null Result ReportMedicine

Beneficial effect of omega-3 fatty acids supplementation on leaky gut, inflammation and oxidative stress in propionic acid-induced autism in aged rats.

Aloud A, Alzahrani H, Arzoo S et al. · 2026 · Acta pharmaceutica (Zagreb, Croatia)

This study examined the effects of omega-3 fatty acids supplementation on gut barrier integrity, systemic inflammation, neurotrans-mission and oxidative stress, in an aged rat model of propionic acid (PPA)-induced neurotoxicity.…

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Negative / Null Result ReportMedicine

Pleiotropic effects of renal denervation beyond blood pressure reduction.

Vakka A, Kyriakoulis KG, Tatakis F et al. · 2026 · Hypertension research : official journal of the Japanese Society of Hypertension

Overactivation of sympathetic nervous system (SNS) has a key role in the pathophysiology of hypertension, as well as in chronic kidney disease, heart failure, atrial fibrillation, type 2 diabetes mellitus, obstructive sleep apnea, and…

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Negative / Null Result ReportOpen accessMedicine

Assessment of "Spin" in the Abstracts of Systematic Reviews in Leading Arthroplasty Journals Over the Past 10 Years: A Cross-Sectional Methodological Study.

Vediya N, Jain V, Sritharan P et al. · 2025 · Arthroplasty today

Background Systematic reviews (SRs) are vital for evidence consolidation in clinical research, utilized for their robust, reproducible methodology. SRs are prone to misrepresentation as they are based on primary studies and the…

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Negative / Null Result ReportMedicine

Cued recall of human motor memory.

Lewis-Hoeber E, Darainy M, Ebrahimi S et al. · 2026 · Journal of neurophysiology

In verbal memory, retrieval cues can facilitate recall of otherwise inaccessible information. Recent work, using passive movements following a motor learning task, suggests that somatic retrieval cues similarly access motor memories. The…

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