| Unique ID issued by UMIN | UMIN000059716 |
|---|---|
| Receipt number | R000068298 |
| Scientific Title | A Phase III Clinical Study of CHO in Subjects with Ocular Discomfort |
| Date of disclosure of the study information | 2025/11/11 |
| Last modified on | 2025/11/10 11:14:57 |
A Phase III Clinical Study of CHO in Subjects with Ocular Discomfort
A Phase III Clinical Study of CHO in Subjects with Ocular Discomfort
A Phase III Clinical Study of CHO in Subjects with Ocular Discomfort
A Phase III Clinical Study of CHO in Subjects with Ocular Discomfort
| Japan |
Subjects who have subjective symptoms of ocular dryness and also experience eye fatigue or blurred vision.
In addition, among soft contact lens wearers, those who feel discomfort while wearing contact lenses are included.
| Ophthalmology |
Others
NO
To evaluate the efficacy and safety of CHO administered as 1 to 2 drops per dose, four times daily for two weeks, in subjects with subjective symptoms of ocular dryness.
Efficacy
Change in the score of the subjective symptom "eye dryness"
Interventional
Single arm
Non-randomized
Open -no one is blinded
Uncontrolled
1
Treatment
| Medicine |
Over 2weeks
| 12 | years-old | <= |
| Not applicable |
Male and Female
(1) Subjects who meet all of the following criteria 1)-4) for both eyes at the screening visit:
1)Subjects who have subjective symptoms of eye dryness (score >= 1)
2)Subjects who have subjective symptoms of eye fatigue or blurred vision (score >= 1)
3)Subjects who feel discomfort while wearing contact lenses [applicable only to soft contact lens wearers] (score >= 1)
4)Subjects who habitually wear soft contact lenses (5 days or more per week) [applicable only to soft contact lens wearers]
(2) Subjects whose mean scores for both eyes during the 3 days prior to the start of study drug administration are >= 1.0 for all of the following symptoms:
-Eye dryness
-Eye fatigue or blurred vision
-Discomfort while wearing contact lenses [applicable only to soft contact lens wearers]
(1) Subjects whose tear film break-up time (BUT) in either eye or both eyes is <= 5 seconds at the screening visit.
(2) Subjects who have used over-the-counter (OTC) artificial tears within 3 days prior to the start of study drug administration.
(3) Subjects who have used any ophthalmic preparations (excluding OTC artificial tears) or ophthalmic ointments within 7 days prior to the start of study drug administration.
(4) Subjects who have used corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs), or other medications for ophthalmic diseases (both are administered systemically and topically to the head or face, including nasal and ear drops) within 7 days prior to the start of study drug administration.
70
| 1st name | Tomomi |
| Middle name | |
| Last name | Mantani |
ROHTO pharmaceutical CO.,LTD
Pharmaceutical Clinical Development Division
6190216
6-5-4, Kunimidai, Kizugawa, Kyoto 619-0216, JAPAN
0774-71-8802
mantani@rohto.co.jp
| 1st name | Yusuke |
| Middle name | |
| Last name | Takeuchi |
ROHTO pharmaceutical CO.,LTD
Pharmaceutical Clinical Development Division
6310033
6-5-4, Kunimidai, Kizugawa, Kyoto 619-0216, JAPAN
09092829511
takeuchiy@rohto.co.jp
ROHTO pharmaceutical CO.,LTD
ROHTO pharmaceutical CO.,LTD
Self funding
Medical Corporation Heishinkai OPHAC Hospital IRB
4-1-29 Miyahara,Yodogawa-ku,Osaka-shi,Osaka 532-0003 JAPAN
06-6395-9000
ophach_jinukyoku@heishinkai.com
NO
| 2025 | Year | 11 | Month | 11 | Day |
N/A
Unpublished
N/A
70
Administration of CHO as 1-2 drops per dose, four times daily for two weeks, demonstrated efficacy in improving subjective symptoms such as ocular dryness and was well tolerated, indicating that it may be a useful new therapeutic option for the treatment of ocular dryness and related symptoms.
| 2025 | Year | 11 | Month | 10 | Day |
The average age(years) at the time of consent of the 70 patients enrolled was 44.6years.
A total of 108 patients consented to participate in this clinical trial. Of these, 70 patients (64.8%) were eligible, and 38 patients (35.2%) were ineligible. 70 patients were enrolled, and 38 patients were unenrolled.70 patients were administered the investigational drug, 70 patients completed the treatment period, and 0 patients discontinued the study.
Adverse events were reported in 4 of 70 subjects (5.7%) in this clinical study. No adverse drug reactions (events with a causal relationship to the investigational product) were observed.
By preferred term (PT), the events included corneal erosion in 1 subject (1.4%), eyelid swelling in 1 subject (1.4%), eyelid pain in 1 subject (1.4%), nasopharyngitis in 1 subject (1.4%), and skin cyst in 1 subject (1.4%).
In terms of severity, one event (skin cyst) was classified as moderate. Mild adverse events consisted of corneal erosion, eyelid swelling, eyelid pain, and nasopharyngitis-one case each, for a total of 4 events in 3 subjects.
Primary Endpoint:
Change in the score of the subjective symptom "dryness of the eyes."
Completed
| 2021 | Year | 08 | Month | 06 | Day |
| 2021 | Year | 09 | Month | 10 | Day |
| 2021 | Year | 10 | Month | 13 | Day |
| 2021 | Year | 12 | Month | 25 | Day |
| 2022 | Year | 01 | Month | 21 | Day |
| 2022 | Year | 04 | Month | 13 | Day |
| 2025 | Year | 11 | Month | 10 | Day |
| 2025 | Year | 11 | Month | 10 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068298