Scientists hunt for clues to personalize colorectal cancer therapy

NCT ID NCT02394834

First seen Apr 21, 2026 · Last updated May 15, 2026 · Updated 4 times

Summary

This study looks at genetic markers in tumor tissue to see if they can predict how well two different chemotherapy combinations work for people with advanced colorectal cancer. About 757 patients who have not had chemotherapy before will be randomly assigned to one of two treatment groups. The goal is to understand why some patients respond better to one treatment than the other, which could help doctors choose the right therapy in the future.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Study site

    Ichinomiya, Aichi-ken, Japan

  • Study site

    Komaki, Aichi-ken, Japan

  • Study site

    Kounan, Aichi-ken, Japan

  • Study site

    Nagakute, Aichi-ken, Japan

  • Study site

    Nagoya, Aichi-ken, Japan

  • Study site

    Okazaki, Aichi-ken, Japan

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    Toyohashi, Aichi-ken, Japan

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    Toyokawa, Aichi-ken, Japan

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    Toyota, Aichi-ken, Japan

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    Yatomi, Aichi-ken, Japan

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    Daisen, Akita, Japan

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    Hirosaki, Aomori, Japan

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    Misawa, Aomori, Japan

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    Kashiwa, Chiba, Japan

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    Yachiyo, Chiba, Japan

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    Matsuyama, Ehime, Japan

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    Tōon, Ehime, Japan

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    Tsuruga, Fukui, Japan

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    Yoshida, Fukui, Japan

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    Kitakyushu, Fukuoka, Japan

  • Study site

    Koga, Fukuoka, Japan

  • Study site

    Koga, Fukuoka, Japan

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    Kurume, Fukuoka, Japan

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    Omuta, Fukuoka, Japan

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    Aizu-Wakamatsu, Fukushima, Japan

  • Study site

    Iwaki, Fukushima, Japan

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    Kōriyama, Fukushima, Japan

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    Shirakawa, Fukushima, Japan

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    Hashima, Gifu, Japan

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    Kakamigahara, Gifu, Japan

  • Study site

    Minokamo, Gifu, Japan

  • Study site

    Okazai, Gifu, Japan

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    Ōgaki, Gifu, Japan

  • Study site

    Maebashi, Gunma, Japan

  • Study site

    Ōta, Gunma, Japan

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    Fukuyama, Hiroshima, Japan

  • Study site

    Hakodate, Hokkaido, Japan

  • Study site

    Kitami, Hokkaido, Japan

  • Study site

    Kushiro, Hokkaido, Japan

  • Study site

    Obihiro, Hokkaido, Japan

  • Study site

    Otaru, Hokkaido, Japan

  • Study site

    Sapporo, Hokkaido, Japan

  • Study site

    Akashi, Hyōgo, Japan

  • Study site

    Amagasaki, Hyōgo, Japan

  • Study site

    Himeji, Hyōgo, Japan

  • Study site

    Kobe, Hyōgo, Japan

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    Nishinomiya, Hyōgo, Japan

  • Study site

    Hitachi, Ibaraki, Japan

  • Study site

    Kasama, Ibaraki, Japan

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    Ryūgasaki, Ibaraki, Japan

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    Tsuchiura, Ibaraki, Japan

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    Tsukuba, Ibaraki, Japan

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    Hakusan, Ishikawa-ken, Japan

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    Kaga, Ishikawa-ken, Japan

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    Kahoku, Ishikawa-ken, Japan

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    Kanazawa, Ishikawa-ken, Japan

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    Nanao, Ishikawa-ken, Japan

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    Morioka, Iwate, Japan

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    Kida, Kagawa-ken, Japan

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    Marugame, Kagawa-ken, Japan

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    Takamatsu, Kagawa-ken, Japan

  • Study site

    Fujisawa, Kanagawa, Japan

  • Study site

    Hiratsuka, Kanagawa, Japan

  • Study site

    Isehara, Kanagawa, Japan

  • Study site

    Kamakura, Kanagawa, Japan

  • Study site

    Kanazawachō, Kanagawa, Japan

  • Study site

    Sagamihara, Kanagawa, Japan

  • Study site

    Yokohama, Kanagawa, Japan

  • Study site

    Yokosuka, Kanagawa, Japan

  • Study site

    Nankoku, Kochi, Japan

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    Matsuzaka, Mie-ken, Japan

  • Study site

    Tsu, Mie-ken, Japan

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    Yokkaichi, Mie-ken, Japan

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    Ishinomaki, Miyagi, Japan

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    Murata, Miyagi, Japan

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    Natori-shi, Miyagi, Japan

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    Ōsaki, Miyagi, Japan

  • Study site

    Sendai, Miyagi, Japan

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    Matsumoto, Nagano, Japan

  • Study site

    Saku, Nagano, Japan

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    Ōmura, Nagasaki, Japan

  • Study site

    Sasebo, Nagasaki, Japan

  • Study site

    Ikoma, Nara, Japan

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    Tenri, Nara, Japan

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    Yamatotakada, Nara, Japan

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    Yufu, Oita Prefecture, Japan

  • Study site

    Kurashiki, Okayama-ken, Japan

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    Naha, Okinawa, Japan

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    Tomigusuku, Okinawa, Japan

  • Study site

    Urasoe, Okinawa, Japan

  • Study site

    Hirakata, Osaka, Japan

  • Study site

    Kawachi-Nagano, Osaka, Japan

  • Study site

    Moriguchi, Osaka, Japan

  • Study site

    Neyagawa, Osaka, Japan

  • Study site

    Sayama, Osaka, Japan

  • Study site

    Suita, Osaka, Japan

  • Study site

    Takatsuki, Osaka, Japan

  • Study site

    Kawagoe, Saitama, Japan

  • Study site

    Kitaadachi, Saitama, Japan

  • Study site

    Koshigaya, Saitama, Japan

  • Study site

    Moriyama, Shiga, Japan

  • Study site

    Ōtsu, Shiga, Japan

  • Study site

    Izumi, Shimane, Japan

  • Study site

    Izumo, Shimane, Japan

  • Study site

    Hamamatsu, Shizuoka, Japan

  • Study site

    Izunokuni, Shizuoka, Japan

  • Study site

    Sunto, Shizuoka, Japan

  • Study site

    Shimotsuga, Tochigi, Japan

  • Study site

    Shimotsuke, Tochigi, Japan

  • Study site

    Utsunomiya, Tochigi, Japan

  • Study site

    Komatsushimachō, Tokushima, Japan

  • Study site

    Bunkyo-ku, Tokyo, Japan

  • Study site

    Chiyoda-ku, Tokyo, Japan

  • Study site

    Chuo-ku, Tokyo, Japan

  • Study site

    Itabashi-ku, Tokyo, Japan

  • Study site

    Koto-ku, Tokyo, Japan

  • Study site

    Machida, Tokyo, Japan

  • Study site

    Minato-ku, Tokyo, Japan

  • Study site

    Musashino, Tokyo, Japan

  • Study site

    Shinagawa-ku, Tokyo, Japan

  • Study site

    Shinjyuku-ku, Tokyo, Japan

  • Study site

    Yonago, Tottori, Japan

  • Study site

    Kurobe-shi, Toyama, Japan

  • Study site

    Takaoka, Toyama, Japan

  • Study site

    Sakata, Yamagata, Japan

  • Study site

    Tsuruoka, Yamagata, Japan

  • Study site

    Iwakuni, Yamaguchi, Japan

  • Study site

    Kofu, Yamanashi, Japan

  • Study site

    Akita, Japan

  • Study site

    Aomori, Japan

  • Study site

    Chiba, Japan

  • Study site

    Fukui, Japan

  • Study site

    Fukuoka, Japan

  • Study site

    Gifu, Japan

  • Study site

    Kagoshima, Japan

  • Study site

    Kochi, Japan

  • Study site

    Kumamoto, Japan

  • Study site

    Kyoto, Japan

  • Study site

    Miyazaki, Japan

  • Study site

    Nagano, Japan

  • Study site

    Nagasaki, Japan

  • Study site

    Niigata, Japan

  • Study site

    Okayama, Japan

  • Study site

    Okinawa, Japan

  • Study site

    Osaka, Japan

  • Study site

    Saga, Japan

  • Study site

    Saitama, Japan

  • Study site

    Shizuoka, Japan

  • Study site

    Tokushima, Japan

  • Study site

    Toyama, Japan

  • Study site

    Yamagata, Japan

Conditions

Explore the condition pages connected to this study.