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Titolo:
INTRATHECAL ADENOSINE ADMINISTRATION - A PHASE-1 CLINICAL SAFETY STUDY IN HEALTHY-VOLUNTEERS, WITH ADDITIONAL EVALUATION OF ITS INFLUENCE ON SENSORY THRESHOLDS AND EXPERIMENTAL PAIN
Autore:
RANE K; SEGERDAHL M; GOINY M; SOLLEVI A;
Indirizzi:
HUDDINGE UNIV HOSP,DEPT ANESTHESIA & INTENS CARE S-14186 HUDDINGE SWEDEN HUDDINGE UNIV HOSP,DEPT ANESTHESIA & INTENS CARE S-14186 HUDDINGE SWEDEN KAROLINSKA HOSP,DEPT ANESTHESIA & CRIT CARE S-10401 STOCKHOLM SWEDEN DANDERYD HOSP,DEPT ANESTHESIA & CRIT CARE STOCKHOLM SWEDEN HUDDINGE UNIV HOSP,DEPT ANESTHESIA & CRIT CARE STOCKHOLM SWEDEN KAROLINSKA INST,DEPT PHARMACOL S-10401 STOCKHOLM SWEDEN
Titolo Testata:
Anesthesiology
fascicolo: 5, volume: 89, anno: 1998,
pagine: 1108 - 1115
SICI:
0003-3022(1998)89:5<1108:IAA-AP>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
R-PHENYLISOPROPYL-ADENOSINE; MECHANICAL HYPERALGESIA; NEUROPATHIC PAIN; ISCHEMIC PAIN; RAT; INJECTION; INFUSION; RECEPTORS; NEURONS; NOCICEPTION;
Keywords:
ANTINOCICEPTION; MUSTARD OIL; NUCLEOSIDES; SPINAL PHARMACOLOGY; TOURNIQUET TEST;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
K. Rane et al., "INTRATHECAL ADENOSINE ADMINISTRATION - A PHASE-1 CLINICAL SAFETY STUDY IN HEALTHY-VOLUNTEERS, WITH ADDITIONAL EVALUATION OF ITS INFLUENCE ON SENSORY THRESHOLDS AND EXPERIMENTAL PAIN", Anesthesiology, 89(5), 1998, pp. 1108-1115

Abstract

Background: Several animal studies show antinociceptive effects of intrathecally administered adenosine and its analogs. However, there is no clinical experience regarding the effects of intrathecal adenosine in humans. Methods: The side effects and analgesic effects of intrathecal adenosine (500-2,000 mu g) on experimental pain were studied in 12healthy volunteers. Before and after adenosine was given, the authorsevaluated the cold pain rating of the foot (submersion in ice water for 1 min), the forearm ischemic pain rating during a 30-min tourniquet: test, and the thermal and tactile pain thresholds on healthy and inflamed skin after application of mustard oil (4 min) to the calf. The areas of secondary allodynia surrounding the inflammation were also determined The cerebrospinal fluid level of adenosine was determined before and after injection. Results: Intrathecal adenosine caused a 1,000-to 2,000-fold elevation of the cerebrospinal fluid concentration. Onevolunteer experienced, transient (30 min) lumbar pain after injectionat a dose of 2,000 mu g. There mere no other complications in any other volunteers. Adenosine reduced, in a non-dose-dependent manner, the areas of secondary allodynia after skin inflammation (brush, P < 0.06;and von Prey hair, P < 0.03) and reduced the forearm tourniquet ischemic pain rating (P = 0.01). Tactile pain thresholds were significantlyreduced by mustard oil inflammation during control, whereas adenosinetreatment prevented this reduction. The ice water-induced cold pain rating was not influenced hy adenosine. Conclusions: An intrathecal adenosine injection of 1,000 mu g lacked side effects in healthy volunteers. The compound attenuated different types of experimental pain.

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Documento generato il 15/07/20 alle ore 08:22:32