First pass effect

First pass effect - phenomenon of drug metabolism. Article "First pass effect" in English Wikipedia has 38.4 points for quality (as of July 1, 2025). The article contains 29 references and 8 sections. The article also contains quality flaw template, which reduce quality score.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

In June 2025 the article "First pass effect" was edited by 1 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "First pass effect", its content was written by 96 registered users of English Wikipedia and edited by 294 registered Wikipedia users in all languages.

The article is cited 245 times in English Wikipedia and cited 738 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #58192 in February 2006
• Global: #25878 in March 2011

The highest popularity rank from 2008:

• Local (English): #43867 in January 2014
• Global: #53509 in January 2014

There are 25 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) First pass effect		38.4119
2	Ukrainian (uk) Ефект першого проходження		35.438
3	Spanish (es) Efecto de primer paso		35.3574
4	Chinese (zh) 首过效应		28.2923
5	Latin (la) Effectus primi transitus (biochemia)		26.8869
6	Italian (it) Effetto di primo passaggio		25.5434
7	Finnish (fi) Ensikierron metabolia		21.8681
8	Polish (pl) Efekt pierwszego przejścia		17.9993
9	Arabic (ar) تأثير المرور الأولي		16.8709
10	German (de) First-Pass-Effekt		15.8605

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "First pass effect" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) First pass effect		2 683 715
2	German (de) First-Pass-Effekt		705 972
3	Portuguese (pt) Metabolismo de primeira passagem		453 033
4	Japanese (ja) 初回通過効果		229 196
5	French (fr) Effet de premier passage		195 053
6	Polish (pl) Efekt pierwszego przejścia		188 667
7	Italian (it) Effetto di primo passaggio		167 115
8	Dutch (nl) First-pass-effect		115 497
9	Chinese (zh) 首过效应		93 372
10	Swedish (sv) Förstapassagemetabolism		64 809

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "First pass effect" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) First pass effect		5 863
2	German (de) First-Pass-Effekt		995
3	Chinese (zh) 首过效应		623
4	Polish (pl) Efekt pierwszego przejścia		538
5	Italian (it) Effetto di primo passaggio		465
6	Spanish (es) Efecto de primer paso		423
7	Japanese (ja) 初回通過効果		329
8	Russian (ru) Эффект первого прохождения		265
9	Portuguese (pt) Metabolismo de primeira passagem		254
10	French (fr) Effet de premier passage		242

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "First pass effect" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) First pass effect		96
2	German (de) First-Pass-Effekt		36
3	Italian (it) Effetto di primo passaggio		29
4	Dutch (nl) First-pass-effect		19
5	French (fr) Effet de premier passage		18
6	Polish (pl) Efekt pierwszego przejścia		16
7	Japanese (ja) 初回通過効果		11
8	Turkish (tr) İlk geçiş etkisi		10
9	Chinese (zh) 首过效应		8
10	Portuguese (pt) Metabolismo de primeira passagem		7

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "First pass effect" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Persian (fa) اثر عبور نخست		2
2	Arabic (ar) تأثير المرور الأولي		1
3	English (en) First pass effect		1
4	Chinese (zh) 首过效应		1
5	Czech (cs) Efekt prvního průchodu		0
6	German (de) First-Pass-Effekt		0
7	Spanish (es) Efecto de primer paso		0
8	Estonian (et) Esmane maksapassaaž		0
9	Finnish (fi) Ensikierron metabolia		0
10	French (fr) Effet de premier passage		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "First pass effect" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) First pass effect		245
2	German (de) First-Pass-Effekt		94
3	Italian (it) Effetto di primo passaggio		69
4	Japanese (ja) 初回通過効果		59
5	Chinese (zh) 首过效应		42
6	Polish (pl) Efekt pierwszego przejścia		30
7	Arabic (ar) تأثير المرور الأولي		21
8	Persian (fa) اثر عبور نخست		19
9	French (fr) Effet de premier passage		18
10	Portuguese (pt) Metabolismo de primeira passagem		16

More...

#	Language	Value
ar	Arabic تأثير المرور الأولي
cs	Czech Efekt prvního průchodu
de	German First-Pass-Effekt
en	English First pass effect
es	Spanish Efecto de primer paso
et	Estonian Esmane maksapassaaž
fa	Persian اثر عبور نخست
fi	Finnish Ensikierron metabolia
fr	French Effet de premier passage
it	Italian Effetto di primo passaggio
ja	Japanese 初回通過効果
ko	Korean 초회 통과 효과
la	Latin Effectus primi transitus (biochemia)
nl	Dutch First-pass-effect
pl	Polish Efekt pierwszego przejścia
pt	Portuguese Metabolismo de primeira passagem
ro	Romanian Efect de prim pasaj
ru	Russian Эффект первого прохождения
sh	Serbo-Croatian Metabolizam prvog prolaza
sl	Slovenian Učinek prvega prehoda
sr	Serbian Метаболизам првог пролаза
sv	Swedish Förstapassagemetabolism
tr	Turkish İlk geçiş etkisi
uk	Ukrainian Ефект першого проходження
zh	Chinese 首过效应

Best Rank

English: #43867 01.2014

Global: #53509 01.2014

Best Rank

English: #58192 02.2006

Global: #25878 03.2011

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information