{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T18:57:24Z","timestamp":1777489044440,"version":"3.51.4"},"reference-count":39,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2006,7,1]],"date-time":"2006-07-01T00:00:00Z","timestamp":1151712000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cephalalgia"],"published-print":{"date-parts":[[2006,7]]},"abstract":"<jats:p>\n                    We studied the safety and efficacy of 0 U, 50 U, 100 U, 150 U (five sites), 86 Usub and 100 Usub (three sites) botulinum toxin type A (BoNTA; BOTOX\n                    <jats:sup>\u00ae<\/jats:sup>\n                    ; Allergan, Inc., Irvine, CA, USA) for the prophylaxis of chronic tension-type headache (CTTH). Three hundred patients (62.3\u00b1 female; mean age 42.6 years) enrolled. For the primary endpoint, the mean change from baseline in the number of TTH-free days per month, there was no statistically significant difference between placebo and four BoNTA groups, but a significant difference favouring placebo vs. BoNTA 150 was observed (4.5 vs. 2.8 tension headache-free days\/month; P = 0.007). All treatment groups improved at day 60. Although efficacy was not demonstrated for the primary endpoint, at day 90, more patients in three BoNTA groups had \u226550\u00b1 decrease in tension headache days than did placebo ( P \u2264 0.024). Most treatment-related adverse events were mild or moderate, and transient. BoNTA was safe and well-tolerated in the study.\n                  <\/jats:p>","DOI":"10.1111\/j.1468-2982.2006.01114.x","type":"journal-article","created":{"date-parts":[[2006,5,3]],"date-time":"2006-05-03T08:56:49Z","timestamp":1146646609000},"page":"790-800","source":"Crossref","is-referenced-by-count":131,"title":["Botulinum Toxin Type A in the Prophylactic Treatment of Chronic Tension-Type Headache: A Multicentre, Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study"],"prefix":"10.1177","volume":"26","author":[{"given":"SD","family":"Silberstein","sequence":"first","affiliation":[{"name":"Jefferson Headache Center, Thomas Jefferson University, Philadelphia, PA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H","family":"G\u00f6bel","sequence":"additional","affiliation":[{"name":"Kiel Pain Clinic, University of Kiel, Kiel, 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