tryptophan has been researched along with vardenafil dihydrochloride in 2 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 1 (50.00) | 29.6817 |
| 2010's | 1 (50.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Akkerman, S; Blokland, A; Prickaerts, J; Rutten, K; Steinbusch, HW; van Donkelaar, EL | 2 |
2 other study(ies) available for tryptophan and vardenafil dihydrochloride
| Article | Year |
|---|---|
Phosphodiesterase 2 and 5 inhibition attenuates the object memory deficit induced by acute tryptophan depletion.
Topics: Animals; Cyclic AMP; Cyclic GMP; Cyclic Nucleotide Phosphodiesterases, Type 2; Disease Models, Animal; Dose-Response Relationship, Drug; Imidazoles; Male; Memory; Memory Disorders; Nitric Oxide; Phosphodiesterase 5 Inhibitors; Phosphodiesterase Inhibitors; Piperazines; Rats; Rats, Wistar; Serotonin; Sulfones; Triazines; Tryptophan; Vardenafil Dihydrochloride | 2008 |
No effect of acute tryptophan depletion on phosphodiesterase inhibition--related improvements of short-term object memory in male Wistar rats.
Topics: Animals; Behavior, Animal; Diet Therapy; Disease Models, Animal; Dose-Response Relationship, Drug; Hippocampus; Imidazoles; Male; Memory Disorders; Memory, Short-Term; Phosphodiesterase 5 Inhibitors; Piperazines; Rats; Rats, Wistar; Recognition, Psychology; Serotonin; Sulfones; Synaptic Transmission; Triazines; Tryptophan; Vardenafil Dihydrochloride | 2013 |