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	DOI:10.1186/ar3080

Corpus ID: 34052718Efficacy assessed in follow-ups of clinical trials: methodological conundrum
@article{Landew2010EfficacyAI,
  title={Efficacy assessed in follow-ups of clinical trials: methodological conundrum},
  author={R. Landew{\'e}},
  journal={Arthritis Research & Therapy},
  year={2010},
  volume={12},
  pages={132 - 132}
}
	R. Landewé
	Published 2010
	Medicine
	Arthritis Research & Therapy

Increasingly, we see papers describing the long-term follow-up results of randomised clinical trials. Sometimes, like the article by Rantalaiho and colleagues in the previous issue of Arthritis Research & Therapy, the follow-up extends to more than 10 years. It is not uncommon that authors of such articles describe their results as a comparison of the original treatment groups in the original randomised clinical trial. Methodologically, such a comparison is fallible for several reasons. In this… Expand

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The initial treatment strategy and the long-term outcome of early rheumatoid arthritis with special interest in the FIN-RACo trial and the current Finnish practice
	V. Rantalaiho
	Medicine
	2012

	3



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Reducing Campylobacter jejuni colonization in broiler chickens by in-feed supplementation with hyperimmune egg yolk antibodies
	Jasmien Vandeputte, A. Martel, +6 authors A. Garmyn
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References


SHOWING 1-8 OF 8 REFERENCES

COBRA combination therapy in patients with early rheumatoid arthritis: long-term structural benefits of a brief intervention.
	R. Landewé, M. Boers, +11 authors S. van der Linden
	Medicine
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	622

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Survival, comorbidities and joint damage 11 years after the COBRA combination therapy trial in early rheumatoid arthritis
	L. V. van Tuyl, M. Boers, +13 authors A. Voskuyl
	Medicine
	Annals of the rheumatic diseases
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Comparison of combination therapy with single-drug therapy in early rheumatoid arthritis: a randomised trial
	T. Möttönen, P. Hannonen, M. Leirisalo-Repo, M. Nissilä, for the FIN-RACo trial group
	Medicine
	The Lancet
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Early combination disease-modifying antirheumatic drug therapy and tight disease control improve long-term radiologic outcome in patients with early rheumatoid arthritis: the 11-year results of the Finnish Rheumatoid Arthritis Combination Therapy trial
	V. Rantalaiho, M. Korpela, +8 authors T. Möttönen
	Medicine
	Arthritis research & therapy
	2010

	113

	




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The relationship between disease activity and radiologic progression in patients with rheumatoid arthritis: a longitudinal analysis.
	P. Welsing, R. Landewé, +5 authors D. M. van der Heijde
	Medicine
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Cite this article as: Landewé RBM: Effi cacy assessed in follow-ups of clinical trials: methodological conundrum
	Arthritis Research & Therapy
	2010


Comparison of combination therapy with singledrug therapy in early rheumatoid arthritis : a randomised trial . FINRACo trial group
	Lancet
	1999


Voskuyl AE: Survival, comorbidities and joint damage 11 years after the COBRA combination therapy trial in early rheumatoid arthritis
	Annals Rheum Dis






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