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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

498 results for "randomized controlled trial" · page 10 of 17

Negative / Null Result ReportMedicine

Will a co-created program enhance implementation of injury prevention training in youth handball in Sweden? A cluster-randomized controlled trial.

Ageberg E, Donaldson A, Lucander K et al. · 2025 · Journal of science and medicine in sport

Objectives To compare the implementation of a co-created evidence-based injury prevention intervention with an existing program in youth team handball. Design Pragmatic two-armed cluster-randomized controlled trial, conducted…

View details →DOI: 10.1016/j.jsams.2025.06.011
Negative / Null Result ReportMedicine

Added value of a balloon-based mucosal exposure device in computer-aided detection-assisted colonoscopy: a randomized controlled trial (COMBAT study).

Rocchetto S, Rondonotti E, Alicante S et al. · 2025 · Endoscopy

Both computer-aided detection (CADe) systems and mucosal exposure devices can enhance adenoma detection during colonoscopy. This research investigates whether combining a CADe system with a balloon-based mucosal exposure device increases…

View details →DOI: 10.1055/a-2652-8596
Negative / Null Result ReportOpen accessMedicine

Effect of gradually increasing force magnitude on the rate of canine retraction: a split mouth randomized controlled trial.

El-Salam SA, Aboalnaga AA, Tawfik WA et al. · 2026 · BMC oral health

OBJECTIVE: To evaluate the effect of gradually increasing orthodontic force magnitude compared with a constant force magnitude on the rate of tooth movement during maxillary canine retraction. METHODS: This split-mouth randomized…

View details →DOI: 10.1186/s12903-026-08243-4
Negative / Null Result ReportMedicine

Photobiomodulation for Pain, Healing, and Analgesic Use after Perineal Lacerations: A Double-Blind Randomized Controlled Trial.

de Castro T, Viana LH, Botelho S et al. · 2026 · International urogynecology journal

Introduction and hypothesis Approximately 60% of women experience some degree of perineal laceration following vaginal delivery. Although there is evidence supporting the use of photobiomodulation (PBM) for pain relief and wound healing in…

View details →DOI: 10.1007/s00192-026-06686-5
Negative / Null Result ReportMedicine

Inpatient Robotic Therapy for Stroke Survivors With Severe Upper Limb Impairments: A Randomized Controlled Trial.

Cowan C, Harmon EY, Melewski M et al. · 2026 · The American journal of occupational therapy : official publication of the American Occupational Therapy Association

Importance Understanding how upper extremity (UE) robotic therapy (RT) affects efficiency and effectiveness of inpatient rehabilitation is important to advancing poststroke treatment and recovery. Objective To determine whether UE RT…

View details →DOI: 10.5014/ajot.2026.051412
Negative / Null Result ReportMedicine

Do wound protectors reduce contamination in total shoulder arthroplasty? A randomized controlled trial.

Kirkham MS, Carlson HB, Merrill E et al. · 2026 · Journal of shoulder and elbow surgery

Hypothesis Cutibacterium acnes is the most frequent cause of shoulder prosthetic joint infection with skin edges as a source of wound contamination. The primary purpose of this study was to determine if the use of a wound protector device…

View details →DOI: 10.1016/j.jse.2026.04.048
Negative / Null Result ReportMedicine

'Sawa Aqwa' (Stronger Together): A multi-site randomized controlled trial of a brief family systemic intervention for adolescent mental health in Lebanon.

Bosqui T, Brown FL, Farah S et al. · 2026 · Journal of child psychology and psychiatry, and allied disciplines

Background There are no evaluated family-based mental health and psychosocial support (MHPSS) interventions for adolescents in Southwest Asia (known as the Middle East), and few whole-family interventions in low- and middle-income…

View details →DOI: 10.1111/jcpp.70174
Negative / Null Result ReportMedicine

Effects of hypocaloric wholegrain rye vs refined wheat diets on weight loss, cardiometabolic risk factors and gut microbiota: A 12-week randomized controlled trial.

Åberg S, Nordin E, Iversen KN et al. · 2026 · Clinical nutrition (Edinburgh, Scotland)

Background and aims Wholegrain rye foods have shown promising effects on metabolic regulation and weight-loss, which may be mediated via gut microbiota and derived metabolites. This study aimed to investigate effects of hypocaloric diets…

View details →DOI: 10.1016/j.clnu.2026.106618
Negative / Null Result ReportOpen accessMedicine

Unplanned hospital presentations in oncology patients receiving chemotherapy: a secondary analysis of a randomized controlled trial to explore opportunities for improving supportive care.

Kim B, Boustany C, Fethney J et al. · 2026 · Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer

Purpose This study aimed to report the incidence, common reasons, and associated risk factors for unplanned hospital presentations during chemotherapy treatment. Methods A secondary analysis using data from a randomized controlled trial…

View details →DOI: 10.1007/s00520-026-10510-7
Negative / Null Result ReportMedicine

Effect of Local Cold Application on Nausea and Vomiting in Early Postoperative Period-A Randomized Controlled Trial.

Türkiş NA, Taşdemir N · 2026 · Journal of perianesthesia nursing : official journal of the American Society of PeriAnesthesia Nurses

Purpose Postoperative nausea and vomiting (PONV) is one of the most common complications in surgical patients during the first 24 hours after general anesthesia. This research aimed to evaluate the effect of cold application on early PONV…

View details →DOI: 10.1016/j.jopan.2025.06.003
Negative / Null Result ReportMedicine

4-year overall survival after the introduction of adjuvant therapy for patients with stage III melanoma: A population-based study.

Janssen JC, Schurink AW, Verhoef C et al. · 2026 · European journal of cancer (Oxford, England : 1990)

Background Adjuvant systemic therapy for resected stage III melanoma was introduced in clinical practice following the improved recurrence free survival in randomized controlled trials. However, after ten years of follow-up, adjuvant…

View details →DOI: 10.1016/j.ejca.2025.116202
Negative / Null Result ReportMedicine

Efficacy of a Phase III Cardiac Rehabilitation Program on Physical Exercise in Patients with Ischemic Heart Disease: A Cluster Randomized Controlled Trial.

Santaularia N, Arnau A, Torà N et al. · 2026 · Journal of cardiopulmonary rehabilitation and prevention

Purpose Our purpose was to assess the efficacy of a phase III cardiac rehabilitation (CR) program, based on counseling in the maintenance of physical exercise, on the time spent on physical exercise per week in patients with ischemic heart…

View details →DOI: 10.1097/hcr.0000000000000993
Negative / Null Result ReportMedicine

Effect of Final Abutment Timing on Immediate Implant Success in Anterior Maxilla: A Randomized Controlled Trial.

Pohl V, Haas R, Rosen R et al. · 2025 · Clinical implant dentistry and related research

Objective This randomized controlled trial aimed to evaluate the impact of early versus delayed change of abutment on bone levels, soft tissue, and patient satisfaction with single-tooth immediate implants. Material and methods In 26…

View details →DOI: 10.1111/cid.70088
Negative / Null Result ReportMedicine

Stereotactic radiosurgery versus whole-brain radiotherapy in patients with 4-10 brain metastases: A nonrandomized controlled trial.

Bodensohn R, Kaempfel AL, Boulesteix AL et al. · 2023 · Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

Background and purpose There is no randomized evidence comparing whole-brain radiotherapy (WBRT) and stereotactic radiosurgery (SRS) in the treatment of multiple brain metastases. This prospective nonrandomized controlled single arm trial…

View details →DOI: 10.1016/j.radonc.2023.109744
Negative / Null Result ReportOpen accessMedicine

Effect of Human-Derived Collagen Injection on Clinical and Structural Outcomes after Arthroscopic Rotator Cuff Repair: A Prospective Randomized Controlled Trial.

Lee JH, Hwang K, Jeong WK · 2026 · Clinics in orthopedic surgery

Background Arthroscopic rotator cuff repair is widely performed; yet tendon healing failure still occurs in some cases and remains a challenge. To address this issue, several studies have investigated intraoperative injection or patch…

View details →DOI: 10.4055/cios25235
Negative / Null Result ReportMedicine

Heterogeneity in the response to a high vs low mean arterial pressure target in patients with septic shock a post hoc analysis of a randomized controlled trial.

Pirracchio R, Fong N, Legrand M · 2025 · Intensive care medicine

Background The best blood pressure target in sepsis is a matter of debate. SEPSIS-PAM, a large multicenter pragmatic randomized controlled trial, compared two mean arterial pressure targets (65-70 mmHg vs 80-85 mmHg) in septic shock and…

View details →DOI: 10.1007/s00134-025-08104-8
Negative / Null Result Report

Impact of an Integrated Intervention Package During Preconception, Pregnancy, and Early Childhood on inflammation, IGF-1, IGFBP3 during first 6 months of life: Findings from the WINGS Randomized Controlled Trial

Chowdhury R, Maiti U, Devi S et al. · 2025 · Preprint

Background Early-life interventions targeting maternal and child health, nutrition, and psychosocial care may influence infant growth and immune development by modulating systemic inflammation and growth factor pathways. However, causal…

View details →DOI: 10.1101/2025.08.10.25333400
Negative / Null Result ReportMedicine

Effects of an Exercise Program to Reduce Falls in Older People Living in Long-Term Care: A Randomized Controlled Trial.

Taylor LM, Parsons J, Moyes SA et al. · 2024 · Journal of the American Medical Directors Association

Objectives To investigate the effect of an exercise program on falls in intermediate and high-level long-term care (LTC) residents and to determine whether adherence, physical capacity, and cognition modified outcomes. Design Randomized…

View details →DOI: 10.1016/j.jamda.2023.10.022
Negative / Null Result ReportOpen accessMedicine

Patient-reported outcome measures comparing povidone iodine rinse and chlorhexidine rinse for dental implant therapy: a randomized controlled trial.

Chen J, Chen Z, Yan Q et al. · 2025 · BMC oral health

Objectives To evaluate patient-reported outcome measures (PROMs) of povidone-iodine rinse and chlorhexidine rinse for patients undergoing dental implant treatments, as well as their bacteriostatic efficacy. Materials and methods Patients…

View details →DOI: 10.1186/s12903-025-06560-8
Negative / Null Result ReportOpen accessMedicine

A randomized controlled trial of L-taurine for fatigue in decompensated cirrhosis.

Sasidharan S, Philips CA, Philips CA et al. · 2026 · Hepatology communications

Background Fatigue affects 60%-80% of patients with cirrhosis, yet no universally effective pharmacologic therapy exists. Taurine, an amino sulfonic acid with antioxidant and membrane-stabilizing properties, may address metabolic…

View details →DOI: 10.1097/hc9.0000000000000938
Replication FailureOpen accessMedicine

Cognitive control training as an add-on treatment for late-life depression: A multicenter randomized controlled trial.

Vander Zwalmen Y, Vrijsen JN, Meuleman B et al. · 2026 · Internet interventions

Background Late-life depression (LLD) is a prevalent and debilitating condition associated with a poor long-term prognosis and high rates of chronicity. Cognitive control impairments are common in LLD and contribute to symptom persistence,…

View details →DOI: 10.1016/j.invent.2026.100951
Replication FailureOpen accessMedicine

Medication Review and Enhanced Information Transfer at Discharge of Older Patients with Polypharmacy: a Cluster-Randomized Controlled Trial in Swiss Hospitals.

Grischott T, Rachamin Y, Senn O et al. · 2023 · Journal of general internal medicine

Background Medication safety in patients with polypharmacy at transitions of care is a focus of the current Third WHO Global Patient Safety Challenge. Medication review and communication between health care professionals are key targets to…

View details →DOI: 10.1007/s11606-022-07728-6
Replication FailureOpen accessMedicine

Liposomal Bupivacaine versus Ropivacaine with Dexamethasone in Rectus Sheath Block for Laparoscopic Gastrectomy: A Randomized Controlled Trial.

Yi K, Zhan Y, Wei A et al. · 2026 · Drug design, development and therapy

Background The optimal analgesia regimen for patients undergoing laparoscopic gastrectomy is still unclear. This study evaluated the efficacy of ultrasound-guided rectus sheath block (RSB) with liposomal bupivacaine in providing sustained…

View details →DOI: 10.2147/dddt.s574724
Negative / Null Result ReportMedicine

Is selenate a diabetogenic form of selenium? Evidence from a natural experiment in Northern Italy.

Vinceti M, Vicentini M, Ottone M et al. · 2026 · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)

Background Consistent evidence from randomized controlled trials has shown that overexposure to selenium induces type 2 diabetes. However, uncertainties remain about the specific species and doses of selenium that trigger such diabetogenic…

View details →DOI: 10.1016/j.jtemb.2026.127838
Negative / Null Result Report

The individual and combined impacts of school-based water, sanitation, and hygiene (WASH) education and infrastructure operation and maintenance (O&M): A factorial cluster-randomized controlled trial in Uttar Pradesh, India

Hornsby G, Pu C, Badamikar A et al. · 2025 · Preprint

ABSTRACT Introduction While improving water, sanitation, and hygiene (WASH) service delivery in schools supports the Sustainable Development Goals, rigorous trials have recently reported inconsistent effects of WASH in schools (WinS)…

View details →DOI: 10.1101/2025.10.23.25338677
Negative / Null Result ReportMedicine

Replicating the use of motivational interviewing and facilitated contraceptive access to reduce repeat adolescent pregnancy: A randomized trial.

Harding JF, Walzer J, Piatt R et al. · 2025 · Contraception

Objectives It is important to identify programs that can work in multiple contexts to support adolescent parents in achieving their reproductive health goals. A randomized controlled trial in Ohio in 2012 found that the Teen Options to…

View details →DOI: 10.1016/j.contraception.2025.111200
Negative / Null Result ReportOpen accessMedicine

Exploring human-artificial intelligence interactions in a negative pragmatic trial of computer-aided polyp detection.

Watkins K, Ladabaum U, Olsen E et al. · 2024 · iGIE : innovation, investigation and insights

Background and aims The progress of artificial intelligence (AI) in endoscopy is at a crossroads. The positive results of randomized controlled trials of computer-aided detection (CADe) have not been replicated in multiple pragmatic CADe…

View details →DOI: 10.1016/j.igie.2024.04.016