• W Gaus, H Walach, and G Haag.
• Klinische Dokumentation, Universität Ulm, Schwabstra\e 13, W-7900, Ulm, Bundesrepublik Deutschland.
• Schmerz. 1992 Jun 1;6(2):134-40.

AbstractThe efficacy of classic homeopathic therapy is scientifically not well proven. Few of the studies available are acceptable from a scientific point of view. In this paper we will describe a study protocol for a trial of classic homeopathy in chronic headache, which not only is in accordance with currently accepted scientific research standards but also accounts for the special needs of homeopathic therapy. The prescribing practioners are allowed to use any homeopathic drug at any potency or dosage, this enables them to ful fill the homeopathic principle of individuality. At the same time, the study is strictly controlled, randomized and double blind. The prescribing physician sends the homeopathic medication selected for a patient to a notary public, who either forwards it to the patient or substitute placebo, according to the randomization plan. Hence, the trial is not testing a specific drug, but the rationale of individual homeopathic drug selection and the efficacy of the selected drugs in headache patients in general. Patients suffering from chronic headaches for at least 1 year and with headaches at least once a week on average are eligible for the study. Exclusion criteria follow the generally accepted standards and account for the special needs of homeopathic therapy. Data are to be recorded in a patient's diary containing the outcome variables occurrence, duration, intensity of headaches and use of analgesic drugs. After a baseline period of at least 6 weeks the first consultation will take place, with the proper remedy selected and sent to the patient via the notary. After 6 weeks a first follow-up will allow the physician to modify the treatment if necessary. After another 6 weeks the final examination will take place. The duration of the homeopathic treatment, then, is 12 weeks. A total of 100 patients in two groups of 50 are to be treated in the study. The study started in the later part of 1991, and is scheduled to last for 2 1/2 years. We expect a critical discussion of the results from conventional medicine or from homeopathy, depending on the outcome of the study. The study protocol is being published in advance to enable the reviewers of the study to check the original study design and the a priori hypotheses adopted.

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