Dose Escalation Trial of Traditional Chinese Medicine for Irritable Bowel Syndrome (TCM- IBS) (TCM-IBS)
Dose Escalation Trial Of Traditional Chinese Medicine For Irritable Bowel Syndrome
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
The Specific aims of the project are:
- To determine whether a 20- herb formulation improves pain/ discomfort and disturbed bowel frequency in patients with Irritable Bowel Syndrome who have been disappointed with current conventional Western medicine.
- To identify an optimal dosage of the 20- herb formulation that is safe and well tolerated for up to 8 weeks of treatment, among 2 dosages. This is determined by relief of symptoms of IBS in a dose escalation, placebo-controlled double- blind randomized clinical trial, in conjunction with indices of safety and tolerability.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 2
Kontakter og lokationer
Studiesteder
-
-
-
Shatin, Hong Kong
- Medical Gastroenterelogy Clinic Of the Prince Of Wales, Chinese University of Hong Kong
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Age 18- 75
- All IBS patients attending the Gastroenterology Clinic of the Prince Of Wales Hospital of Hong Kong.
IBS diagnosed by Rome III criteria:
- Recurrent abdominal pain or discomfort at least three days per month in the previous three months
- Symptoms onset at least six months prior to diagnose
Pain or discomfort associated with two or more of the following:
- Improvement with defecation
- Onset associated with change in frequency of stool
- Onset associated with a change in form (appearance) of stool
- Normal colonic evaluation (colonoscopy or barium enema) in past 5 years
- No "global symptom improvement" as rated by patients (see below) at screening and during the two- week run- in period to baseline
Normal full blood count, liver function test and renal function test.
- Informed written consent for participation into study.
- Ethical approval will be obtained from the Joint CUHK-NTEC Clinical Research Ethics Committee as well as the IRB of UMB.
Exclusion Criteria:
- Past or present history of organic disease of gastrointestinal tract (e.g. colorectal cancer, advanced colonic polyp, celiac disease, inflammatory bowel disease, peptic ulcer and previous gastrointestinal surgery). (Note: those with polyps removed during colonoscopy can be included, as long as no known polyps remained.
- Systemic diseases that cause diarrhea or constipation (e.g. thyroid disease, diabetic neuropathy)
- Lactose intolerance
- Severe liver disease (e.g. cirrhosis, chronic active hepatitis)
- Renal impairment (serum creatinine level > 150mmol/L)
- Women who are pregnant, lactating or not practicing proper contraception
- Known hypersensitivity to herbal medicine
- Concommitant use of prescription antidepressant medication
- Current alcoholism and drug use
- Current psychiatric illness or dementia
- Fever or severe illness at baseline (week 0).
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Tredobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Aktiv komparator: 20-herb formulation
Active herb
|
Two daily dosages will be investigated.
The lowest dosage condition will be 17gm daily, followed by an escalation to 34gm.
Participants will be treated for 8 weeks
|
|
Placebo komparator: Placebo
Placebo herb formulation
|
Placebo herb formulation
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Global IBS symptom improvement
Tidsramme: 8 weeks
|
The primary endpoint for this study is the efficacy at the 8 week followup visit of the herbal formulations, which is defined by the patient's global assessment of the IBS symptoms.
|
8 weeks
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
The Bowel Symptom Scale (BSS):
Tidsramme: 8 weeks
|
The Bowel Symptom Scale will be used to assess changes in individual IBS and global IBS symptoms during the course of illness.
|
8 weeks
|
|
SF-36
Tidsramme: 8 weeks
|
Quality of Life generic (SF-36), will be used for assessment of quality of life in response to treatment.
|
8 weeks
|
|
IBS-QoL
Tidsramme: 8 weeks
|
Disease-specific (IBS-QoL) will be used for assessment of quality of life in response to treatment.
|
8 weeks
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Brian M Berman, MD, University of Maryland
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- HP-00041236
- 1U19AT003266-01 (U.S. NIH-bevilling/kontrakt)
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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