Trial reportPsychopharmacology2010
A 22-week, multicenter, randomized, double-blind controlled trial of Crocus sativus in the treatment of mild-to-moderate Alzheimer's disease.
Trial report in Psychopharmacology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers, 6 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
93 citing papers in PubMed, 6 syntheses or guidelines pooled it.
- Natural Products in Alzheimer's Disease: A Systematic Review of Clinical Trials and Underlying Molecular Mechanisms.International journal of molecular sciences · 2025Pooled it
- Improving cognitive impairment through chronic consumption of natural compounds/extracts: a systematic review and meta-analysis of randomized controlled trials.Frontiers in aging neuroscience · 2024Pooled it
- Saffron for mild cognitive impairment and dementia: a systematic review and meta-analysis of randomised clinical trials.BMC complementary medicine and therapies · 2020Pooled it
- Effects of saffron (Crocus sativus L.) on cognitive function. A systematic review of RCTs.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2020Pooled it
- Natural Compounds for Alzheimer's Disease Therapy: A Systematic Review of Preclinical and Clinical Studies.International journal of molecular sciences · 2019Pooled it
- A systematic review of randomized controlled trials examining the effectiveness of saffron (Crocus sativus L.) on psychological and behavioral outcomes.Journal of integrative medicine · 2015Pooled it
- The impacts of Crocin on serum cytokines concentrations in participants with metabolic syndrome: a double-blind randomized clinical trial study.Scientific reports · 2025Trial
- Saffron therapy for the treatment of mild/moderate age-related macular degeneration: a randomised clinical trial.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2019Trial
- Effect of saffron on fluoxetine-induced sexual impairment in men: randomized double-blind placebo-controlled trial.Psychopharmacology · 2012Trial
- Safranal protects neurons against amyloid beta-induced toxicity.Inflammopharmacology · 2026Article
- Regulation of NLRP3 inflammasome signaling in Alzheimer's disease: emerging neuroprotective role of phytochemicals.Inflammopharmacology · 2026Review
- Phytochemicals in Alzheimer's Disease Prevention and Management: Molecular Mechanisms, Therapeutic Potential, Translational Challenges, and Emerging Research Directions.International journal of molecular sciences · 2026Review
- High-performance liquid chromatography - diode array detection method validation for amentoflavone-type biflavonoids in five Encephalartos species with potential neuroprotective activity.Scientific reports · 2026Article
- Translational potential of medicinal plants for Alzheimer's disease: integrated evidence from molecular mechanisms to preclinical and clinical findings.Natural products and bioprospecting · 2026Review
- Adverse Events of Saffron (Health science reports · 2026Article
- Saffron as a Retinal Neuroprotectant: A Narrative Review of Preclinical Studies and Clinical Results.Antioxidants (Basel, Switzerland) · 2026Review
- Review
- Review
- Efficacy of medications in controlling cognitive dysfunction in Alzheimer's : a systematic review.Dementia & neuropsychologia · 2025Review
- Integrative effects of saffron and physical activity on endurance performance, quality of life, cognitive, emotional, and metabolic outcomes in age-related and neurodegenerative diseases.Frontiers in nutrition · 2025Review
33 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
rationaleThere is increasing evidence to suggest the possible efficacy of Crocus sativus (saffron) in the management of Alzheimer's disease (AD).
objectiveThe purpose of the present investigation was to assess the efficacy of C. sativus in the treatment of patients with mild-to-moderate AD.
methodsFifty-four Persian-speaking adults 55 years of age or older who were living in the community were eligible to participate in a 22-week, double-blind study of parallel groups of patients with AD. The main efficacy measures were the change in the Alzheimer's Disease Assessment Scale-cognitive subscale and Clinical Dementia Rating Scale-Sums of Boxes scores compared with baseline. Adverse events (AEs) were systematically recorded. Participants were randomly assigned to receive a capsule saffron 30 mg/day (15 mg twice per day) or donepezil 10 mg/day (5 mg twice per day).
resultsSaffron at this dose was found to be effective similar to donepezil in the treatment of mild-to-moderate AD after 22 weeks. The frequency of AEs was similar between saffron extract and donepezil groups with the exception of vomiting, which occurred significantly more frequently in the donepezil group.
conclusionThis phase II study provides preliminary evidence of a possible therapeutic effect of saffron extract in the treatment of patients with mild-to-moderate Alzheimer's disease. This trial is registered with the Iranian Clinical Trials Registry (IRCT138711051556N1).
Indexed as
Identifiers
19838862What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.