5-hydroxytryptophan has been researched along with Island Cell Tumor in 4 studies
5-Hydroxytryptophan: The immediate precursor in the biosynthesis of SEROTONIN from tryptophan. It is used as an antiepileptic and antidepressant.
5-hydroxytryptophan : A tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5.
| Excerpt | Relevance | Reference |
|---|---|---|
| " Carcinoid tumors with liver metastases, especially those of midgut origin, produce serotonin via the precursors tryptophan and 5-hydroxytryptophan (5-HTP) and this overproduction contributes to the clinical symptoms of the carcinoid syndrome." | 5.07 | Positron emission tomography (PET) in neuroendocrine gastrointestinal tumors. ( Ahlström, H; Bergström, M; Eriksson, B; Långström, B; Lilja, A; Oberg, K, 1993) |
| "Carcinoid tumors with liver metastases, especially those of midgut origin, produce serotonin via the precursors tryptophan and 5-hydroxytryptophan (5-HTP) and this overproduction contributes to the clinical symptoms of the carcinoid syndrome." | 2.67 | Positron emission tomography (PET) in neuroendocrine gastrointestinal tumors. ( Ahlström, H; Bergström, M; Eriksson, B; Långström, B; Lilja, A; Oberg, K, 1993) |
| "In all carcinoid patients (18)F-DOPA PET and (11)C-5-HTP PET detected more lesions than SRS (P < ." | 1.35 | Improved staging of patients with carcinoid and islet cell tumors with 18F-dihydroxy-phenyl-alanine and 11C-5-hydroxy-tryptophan positron emission tomography. ( Brouwers, AH; de Vries, EG; Elsinga, PH; Jager, PL; Kema, IP; Koopmans, KP; Neels, OC; Sluiter, WJ; Vanghillewe, K, 2008) |
| "Carcinoid (n = 24) or pancreatic islet cell tumor (n = 23) patients with at least one lesion on conventional imaging including somatostatin receptor scintigraphy (SRS) and computed tomography (CT) scan underwent (11)C-5-hydroxytryptophan ((11)C-5-HTP) PET and 6-[F-18]fluoro-L-dihydroxy-phenylalanine ((18)F-DOPA) PET." | 1.35 | Improved staging of patients with carcinoid and islet cell tumors with 18F-dihydroxy-phenyl-alanine and 11C-5-hydroxy-tryptophan positron emission tomography. ( Brouwers, AH; de Vries, EG; Elsinga, PH; Jager, PL; Kema, IP; Koopmans, KP; Neels, OC; Sluiter, WJ; Vanghillewe, K, 2008) |
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 2 (50.00) | 18.7374 |
| 1990's | 1 (25.00) | 18.2507 |
| 2000's | 1 (25.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Koopmans, KP | 1 |
| Neels, OC | 1 |
| Kema, IP | 1 |
| Elsinga, PH | 1 |
| Sluiter, WJ | 1 |
| Vanghillewe, K | 1 |
| Brouwers, AH | 1 |
| Jager, PL | 1 |
| de Vries, EG | 1 |
| Feldman, JM | 1 |
| Vervaert, C | 1 |
| Klatt, C | 1 |
| Seigler, HF | 1 |
| Eriksson, B | 1 |
| Bergström, M | 1 |
| Lilja, A | 1 |
| Ahlström, H | 1 |
| Långström, B | 1 |
| Oberg, K | 1 |
| Sircus, W | 1 |
1 review available for 5-hydroxytryptophan and Island Cell Tumor
| Article | Year |
|---|---|
Peptide-secreting tumours with special reference to the pancreas.
Topics: 5-Hydroxytryptophan; Adenoma; Adenoma, Islet Cell; Adrenocorticotropic Hormone; Calcitonin; Catechol | 1969 |
1 trial available for 5-hydroxytryptophan and Island Cell Tumor
| Article | Year |
|---|---|
Positron emission tomography (PET) in neuroendocrine gastrointestinal tumors.
Topics: 5-Hydroxytryptophan; Adenoma, Islet Cell; Carbon Radioisotopes; Carcinoid Tumor; Female; Gastrointes | 1993 |
2 other studies available for 5-hydroxytryptophan and Island Cell Tumor
| Article | Year |
|---|---|
Improved staging of patients with carcinoid and islet cell tumors with 18F-dihydroxy-phenyl-alanine and 11C-5-hydroxy-tryptophan positron emission tomography.
Topics: 5-Hydroxytryptophan; Adenoma, Islet Cell; Adult; Aged; Carbon Radioisotopes; Carcinoid Tumor; Dihydr | 2008 |
Therapy of malignant hamster insulinomas with monoamine precursors.
Topics: 5-Hydroxytryptophan; Adenoma, Islet Cell; Animals; Cricetinae; Dopamine; Droxidopa; Levodopa; Neopla | 1981 |