HelminthiasisNCT02420574
Assessment of Drug Efficacy of Local Albendazole
A study testing albendazole BENDEX and albendazole OVIS in people with Helminthiasis, run by University Ghent.
Trial summary
Infections with soil-transmitted helminthes (STH) occur throughout the developing world and remain a major public health problem in the poorest communities. Preventive chemotherapy (PC) programs in which single-dose albendazole 400 mg or single-dose mebendazole 500 mg - the drugs of choice for STH - are administered… Read more about this study
- Who is it for?
- Ages 5 to 18 yearsHealthy volunteers can take part
- Conditions the study is for
- Helminthiasis
- What is being tested?
- albendazole BENDEX and albendazole OVIS
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 679 participants
- Where
- No sites listed yet
- Study dates
- Feb 2014to Feb 2015
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 5 to 18 years
- All sexes
- Healthy volunteers accepted
- Child, Adult
Who may be able to join
- Age: 5-18 years old.
- Sex: males and females.
- Signed of written informed consent sheet by parents/or guardians, and those who volunteered to comply with study procedures (stool submission, drug treatment).
- Females: was not pregnant (as verbally assessed by clinician upon enrolled to treatment).
Who cannot join
- Had vomit within 4 hours after drug administration.
- Had diarrhea at time of the first sampling.
- Subjects who were unable to provide a stool sample at follow-up,
- Subjects who experienced a severe concurrent medical condition
- Subjects with known history of allergic reaction to ALB.
About this study
Official title: Assessment of Drug Efficacy of Albendazole Bought on Local Market Against Soil-transmitted Helminth Infections in School Children in Jimma, Ethiopia
Infections with soil-transmitted helminthes (STH) occur throughout the developing world and remain a major public health problem in the poorest communities. Preventive chemotherapy (PC) programs in which single-dose albendazole 400 mg or single-dose mebendazole 500 mg - the drugs of choice for STH - are administered at the population level, is the main strategy for STH control. To ensure quality, these drugs are being widely donated by GlaxoSmithKline (GSK) (albendazole (ALB), Zentel) and Johnson \& Johnson (mebendazole (MEB), Vermox). In addition to this, there are a wide variety of ALB and MEB tablets available on the local market. Although little is known about the quality of anthelmintics sold for human use, several publications have reported variability in the quality of generic anthelmintics used in veterinary medicine. The main objective of the present study is to compare the efficacy of two ALB brands bought on the local market, including OVIS (Korea, DAEHWA pharmaceutical) and BENDEX (India, Cipla)
Read the detailed description
- Background Infections with soil-transmitted helminthes (STH) occur throughout the developing world and remain a major public health problem in the poorest communities. Infection is caused by four main species of worms commonly known as roundworms (Ascaris lumbricoides), whipworms (Trichuris trichiura) and hookworms (Ancylostoma duodenale and Necator americanus). It is estimated that STH affects more than 2 billion people worldwide, of which 450 million have significant morbidity attributable to their infection, and hence are one of the most important neglected tropical diseases. Children and pregnant women are the two most vulnerable groups. Children experience growth stunting and diminished physical fitness as well as impaired memory and cognition, resulting in impaired childhood educational performance and reduce school attendance; pregnant women suffer significant morbidity with hookworm-associated anemia likely contributing to maternal mortality. Preventive chemotherapy (PC) programs in which single-dose albendazole 400 mg or single-dose mebendazole 500 mg - the drugs of choice for STH - are administered at the population level, is the main strategy for STH control. To ensure quality, these drugs are being widely donated by GlaxoSmithKline (GSK) (albendazole (ALB), Zentel) and Johnson \& Johnson (mebendazole (MEB), Vermox). In addition to this, there are a wide variety of ALB and MEB tablets available on the local market. Although little is known about the quality of anthelmintics sold for human use, several publications have reported variability in the quality of generic anthelmintics used in veterinary medicine. The concentrations of nine anthelmintic products (levamisol and MEB) purchased in pharmacies and from agricultural merchants in Kenya varied from 0 to 118 % of their claimed composition. Efficacy studies of seven brands of ALB against gastrointestinal nematodes in sheep in Ethiopia showed that the efficacy of only five of the seven brands was satisfactory.
- Objectives The main objective of the present study is to compare the efficacy of two ALB brands bought on the local market, including OVIS (Korea, DAEHWA pharmaceutical) and BENDEX (India, Cipla)
- Materials and methods 3.1. Study Population School children between 4 and 18 years old are the focus of this study because of two main reasons: school children are normally a major target for regular treatment with anthelminthic, because they are the group that usually has the heaviest worm burdens for A. lumbricoides and T. trichiura, and are steadily acquiring hookworm infections. In addition, they are in a period of intense physical and intellectual growth. Deworming schoolchildren has a considerable benefit on their nutritional status, physical fitness, appetite, growth and intellectual development. 3.2. Study design The study design is based on the recent WHO guidelines on how to assess drug efficacy against STH. Briefly, following obtaining informed consent, school children in the target age range group will be recruited and asked to provide a recent stool sample (an interval of less than 4 hours) that will be processed to determine the fecal egg counts (FEC) for each STH present. For the initial sampling the aim is to enroll at least 650 children. This is based on a sample size of at least 50 infected subjects for each STH in each treatment arm (cfr WHO guidelines), an apparent prevalence of 20% for the least prevalent STH species and a drop out of 20%. All children providing stool samples will be randomized across two treatment arms. Fourteen days after treatment a second fecal sample will be collected from the children to determine again FEC. Subjects who are unable to provide a stool sample at follow-up, or who are experiencing a severe concurrent medical condition or have diarrhea at time of the first sampling, will be excluded from the study. At follow-up all students will receive a single oral dose ALB tablet that was donated by GSK through WHO (Zentel). 3.3. Determination of FEC of STH All fecal samples will be processed using the McMaster egg counting technique (analytic sensitivity of 50 EPG) for the detection and the enumeration of infections with A. lumbricoides, T. trichiura and hookworms. 3.4. Statistical analysis The efficacy of the brands against each of the three STH will be measured by reduction in FEC using the formula below. The efficacy of the drugs will be classified into 'satisfactory', 'doubtful' and 'reduced' using the criteria summarized in Table 1. Table 1. The criteria based on FECR classifying efficacy of drugs into 'satisfactory', 'doubtful' and 'reduced' A. lumbricoides T. trichiura Hookworm Satisfactory FECR ≥ 95% FECR ≥ 50% FECR ≥ 90% Doubtful 95%> FECR ≥95% 50%> FECR ≥40% 90%> FECR ≥80% Reduced FECR ≤85% FECR ≤40% FECR ≤80% 3.5. Interpretation In any case of doubtful or reduced efficacy further steps will be taken to assess the efficacy of the drug.
- Ethical issues This study will be reviewed by the Ethics committees of the Faculty of Medicine, Ghent University (Belgium) and the Jimma University, Jimma (Ethiopia).
- Conditions
- Helminthiasis
- Being tested
- albendazole BENDEX, albendazole OVIS
- Medical subject headings
- Helminthiasis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
albendazole BENDEXDrug
Also called BENDEX/OVIS
randomized clinical trial with 2 parallel arms
albendazole OVISDrug
| Study group | Role | What they receive |
|---|---|---|
| ALB-BENDEX | Active comparator | albendazole, 400 mg, single oral dose, (BENDEX) Receives: Drug: albendazole BENDEX |
| ALB-OVIS | Active comparator | albendazole, 400 mg, single-oral dose, (OVIS) Receives: Drug: albendazole OVIS |
What is being measured
The primary outcome is the main question the study is designed to answer.
Egg reduction rate
Measured: 14 days after administration of the drugs
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted20 Apr 2015 (estimated)
- Study startFeb 2014
- Primary completionApr 2014
- Study completionFeb 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for HelminthiasisStudies of the same condition, open and under way.
- More trials run by University GhentThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 679 participants (actual)
Sponsor and investigators
- Lead sponsor
- University Ghent
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Jozef Vercruysse, PhD, Principal investigator, University Ghent
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02420574
- Sponsor's protocol ID
- B670201319330
- Status last verified
- Dec 2022
- First submitted
- 26 Mar 2015
- Last updated
- 9 Dec 2022
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Bethony J, Brooker S, Albonico M, Geiger SM, Loukas A, Diemert D, Hotez PJ. Soil-transmitted helminth infections: ascariasis, trichuriasis, and hookworm. Lancet. 2006 May 6;367(9521):1521-32. doi: 10.1016/S0140-6736(06)68653-4.
PubMed 16679166Bundy DA, Hall A, Medley GF, Savioli L. Evaluating measures to control intestinal parasitic infections. World Health Stat Q. 1992;45(2-3):168-79.
PubMed 1462652Crompton DW, Nesheim MC. Nutritional impact of intestinal helminthiasis during the human life cycle. Annu Rev Nutr. 2002;22:35-59. doi: 10.1146/annurev.nutr.22.120501.134539. Epub 2002 Jan 4.
PubMed 12055337Curtale F, Pokhrel RP, Tilden RL, Higashi G. Intestinal helminths and xerophthalmia in Nepal. A case-control study. J Trop Pediatr. 1995 Dec;41(6):334-7. doi: 10.1093/tropej/41.6.334.
PubMed 8606439De Clercq D, Sacko M, Behnke J, Gilbert F, Dorny P, Vercruysse J. Failure of mebendazole in treatment of human hookworm infections in the southern region of Mali. Am J Trop Med Hyg. 1997 Jul;57(1):25-30. doi: 10.4269/ajtmh.1997.57.25.
PubMed 9242313Monteiro AM, Wanyangu SW, Kariuki DP, Bain R, Jackson F, McKellar QA. Pharmaceutical quality of anthelmintics sold in Kenya. Vet Rec. 1998 Apr 11;142(15):396-8. doi: 10.1136/vr.142.15.396.
PubMed 9586132Nokes C, Bundy DA. Does helminth infection affect mental processing and educational achievement? Parasitol Today. 1994 Jan;10(1):14-8. doi: 10.1016/0169-4758(94)90348-4.
PubMed 15275558Stephenson LS, Latham MC, Adams EJ, Kinoti SN, Pertet A. Physical fitness, growth and appetite of Kenyan school boys with hookworm, Trichuris trichiura and Ascaris lumbricoides infections are improved four months after a single dose of albendazole. J Nutr. 1993 Jun;123(6):1036-46. doi: 10.1093/jn/123.6.1036.
PubMed 8505663Stoltzfus RJ, Albonico M, Chwaya HM, Savioli L, Tielsch J, Schulze K, Yip R. Hemoquant determination of hookworm-related blood loss and its role in iron deficiency in African children. Am J Trop Med Hyg. 1996 Oct;55(4):399-404. doi: 10.4269/ajtmh.1996.55.399.
PubMed 8916795Vercruysse J, Behnke JM, Albonico M, Ame SM, Angebault C, Bethony JM, Engels D, Guillard B, Nguyen TV, Kang G, Kattula D, Kotze AC, McCarthy JS, Mekonnen Z, Montresor A, Periago MV, Sumo L, Tchuente LA, Dang TC, Zeynudin A, Levecke B. Assessment of the anthelmintic efficacy of albendazole in school children in seven countries where soil-transmitted helminths are endemic. PLoS Negl Trop Dis. 2011 Mar 29;5(3):e948. doi: 10.1371/journal.pntd.0000948.
PubMed 21468309
Study at a glance
From the registry record, last updated by the sponsor on 9 Dec 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Assessment of Drug Efficacy of Albendazole Bought on Local Market Against Soil-transmitted Helminth Infections in School Children in Jimma, Ethiopia
- ClinicalTrials.gov ID
- NCT02420574
- Acronym / sponsor ID
- B670201319330
- Conditions
- Helminthiasis
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 679 participants (actual)
- Lead sponsor
- University GhentUniversity, hospital or other
- Study start
- Feb 2014
- Primary completion
- Apr 2014 (actual)
- Study completion
- Feb 2015 (actual)
- First posted
- 20 Apr 2015 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Infections with soil-transmitted helminthes (STH) occur throughout the developing world and remain a major public health problem in the poorest communities. Preventive chemotherapy (PC) programs in which single-dose albendazole 400 mg or single-dose mebendazole 500 mg - the drugs of choice for STH - are administered at the population level, is the main strategy for STH control. To ensure quality, these drugs are being widely donated by GlaxoSmithKline (GSK) (albendazole (ALB), Zentel) and Johnson \& Johnson (mebendazole (MEB), Vermox). In addition to this, there are a wide variety of ALB and MEB tablets available on the local market. Although little is known about the quality of anthelmintics sold for human use, several publications have reported variability in the quality of generic anthelmintics used in veterinary medicine. The main objective of the present study is to compare the efficacy of two ALB brands bought on the local market, including OVIS (Korea, DAEHWA pharmaceutical) and BENDEX (India, Cipla)
Detailed description
- Background Infections with soil-transmitted helminthes (STH) occur throughout the developing world and remain a major public health problem in the poorest communities. Infection is caused by four main species of worms commonly known as roundworms (Ascaris lumbricoides), whipworms (Trichuris trichiura) and hookworms (Ancylostoma duodenale and Necator americanus). It is estimated that STH affects more than 2 billion people worldwide, of which 450 million have significant morbidity attributable to their infection, and hence are one of the most important neglected tropical diseases. Children and pregnant women are the two most vulnerable groups. Children experience growth stunting and diminished physical fitness as well as impaired memory and cognition, resulting in impaired childhood educational performance and reduce school attendance; pregnant women suffer significant morbidity with hookworm-associated anemia likely contributing to maternal mortality. Preventive chemotherapy (PC) programs in which single-dose albendazole 400 mg or single-dose mebendazole 500 mg - the drugs of choice for STH - are administered at the population level, is the main strategy for STH control. To ensure quality, these drugs are being widely donated by GlaxoSmithKline (GSK) (albendazole (ALB), Zentel) and Johnson \& Johnson (mebendazole (MEB), Vermox). In addition to this, there are a wide variety of ALB and MEB tablets available on the local market. Although little is known about the quality of anthelmintics sold for human use, several publications have reported variability in the quality of generic anthelmintics used in veterinary medicine. The concentrations of nine anthelmintic products (levamisol and MEB) purchased in pharmacies and from agricultural merchants in Kenya varied from 0 to 118 % of their claimed composition. Efficacy studies of seven brands of ALB against gastrointestinal nematodes in sheep in Ethiopia showed that the efficacy of only five of the seven brands was satisfactory.
- Objectives The main objective of the present study is to compare the efficacy of two ALB brands bought on the local market, including OVIS (Korea, DAEHWA pharmaceutical) and BENDEX (India, Cipla)
- Materials and methods 3.1. Study Population School children between 4 and 18 years old are the focus of this study because of two main reasons: school children are normally a major target for regular treatment with anthelminthic, because they are the group that usually has the heaviest worm burdens for A. lumbricoides and T. trichiura, and are steadily acquiring hookworm infections. In addition, they are in a period of intense physical and intellectual growth. Deworming schoolchildren has a considerable benefit on their nutritional status, physical fitness, appetite, growth and intellectual development. 3.2. Study design The study design is based on the recent WHO guidelines on how to assess drug efficacy against STH. Briefly, following obtaining informed consent, school children in the target age range group will be recruited and asked to provide a recent stool sample (an interval of less than 4 hours) that will be processed to determine the fecal egg counts (FEC) for each STH present. For the initial sampling the aim is to enroll at least 650 children. This is based on a sample size of at least 50 infected subjects for each STH in each treatment arm (cfr WHO guidelines), an apparent prevalence of 20% for the least prevalent STH species and a drop out of 20%. All children providing stool samples will be randomized across two treatment arms. Fourteen days after treatment a second fecal sample will be collected from the children to determine again FEC. Subjects who are unable to provide a stool sample at follow-up, or who are experiencing a severe concurrent medical condition or have diarrhea at time of the first sampling, will be excluded from the study. At follow-up all students will receive a single oral dose ALB tablet that was donated by GSK through WHO (Zentel). 3.3. Determination of FEC of STH All fecal samples will be processed using the McMaster egg counting technique (analytic sensitivity of 50 EPG) for the detection and the enumeration of infections with A. lumbricoides, T. trichiura and hookworms. 3.4. Statistical analysis The efficacy of the brands against each of the three STH will be measured by reduction in FEC using the formula below. The efficacy of the drugs will be classified into 'satisfactory', 'doubtful' and 'reduced' using the criteria summarized in Table 1. Table 1. The criteria based on FECR classifying efficacy of drugs into 'satisfactory', 'doubtful' and 'reduced' A. lumbricoides T. trichiura Hookworm Satisfactory FECR ≥ 95% FECR ≥ 50% FECR ≥ 90% Doubtful 95%> FECR ≥95% 50%> FECR ≥40% 90%> FECR ≥80% Reduced FECR ≤85% FECR ≤40% FECR ≤80% 3.5. Interpretation In any case of doubtful or reduced efficacy further steps will be taken to assess the efficacy of the drug.
- Ethical issues This study will be reviewed by the Ethics committees of the Faculty of Medicine, Ghent University (Belgium) and the Jimma University, Jimma (Ethiopia).
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| ALB-BENDEX | Active comparator | Drug: albendazole BENDEXalbendazole, 400 mg, single oral dose, (BENDEX) |
| ALB-OVIS | Active comparator | Drug: albendazole OVISalbendazole, 400 mg, single-oral dose, (OVIS) |
Who may qualify
- Ages
- 5 to 18 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult
Key inclusion criteria (4 listed)
- Age: 5-18 years old.
- Sex: males and females.
- Signed of written informed consent sheet by parents/or guardians, and those who volunteered to comply with study procedures (stool submission, drug treatment).
- Females: was not pregnant (as verbally assessed by clinician upon enrolled to treatment).
Key exclusion criteria (5 listed)
- Had vomit within 4 hours after drug administration.
- Had diarrhea at time of the first sampling.
- Subjects who were unable to provide a stool sample at follow-up,
- Subjects who experienced a severe concurrent medical condition
- Subjects with known history of allergic reaction to ALB.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| albendazole BENDEXAlso: BENDEX/OVISrandomized clinical trial with 2 parallel arms | Drug | ALB-BENDEX |
| albendazole OVIS | Drug | ALB-OVIS |
Primary outcome
Egg reduction rate
Time frame: 14 days after administration of the drugs
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 9 Dec 2022.
- Background: PubMed 16679166Bethony J, Brooker S, Albonico M, Geiger SM, Loukas A, Diemert D, Hotez PJ. Soil-transmitted helminth infections: ascariasis, trichuriasis, and hookworm. Lancet. 2006 May 6;367(9521):1521-32. doi: 10.1016/S0140-6736(06)68653-4.
- Background: PubMed 1462652Bundy DA, Hall A, Medley GF, Savioli L. Evaluating measures to control intestinal parasitic infections. World Health Stat Q. 1992;45(2-3):168-79.
- Background: PubMed 12055337Crompton DW, Nesheim MC. Nutritional impact of intestinal helminthiasis during the human life cycle. Annu Rev Nutr. 2002;22:35-59. doi: 10.1146/annurev.nutr.22.120501.134539. Epub 2002 Jan 4.
- Background: PubMed 8606439Curtale F, Pokhrel RP, Tilden RL, Higashi G. Intestinal helminths and xerophthalmia in Nepal. A case-control study. J Trop Pediatr. 1995 Dec;41(6):334-7. doi: 10.1093/tropej/41.6.334.
- Background: PubMed 9242313De Clercq D, Sacko M, Behnke J, Gilbert F, Dorny P, Vercruysse J. Failure of mebendazole in treatment of human hookworm infections in the southern region of Mali. Am J Trop Med Hyg. 1997 Jul;57(1):25-30. doi: 10.4269/ajtmh.1997.57.25.
- Background: PubMed 9586132Monteiro AM, Wanyangu SW, Kariuki DP, Bain R, Jackson F, McKellar QA. Pharmaceutical quality of anthelmintics sold in Kenya. Vet Rec. 1998 Apr 11;142(15):396-8. doi: 10.1136/vr.142.15.396.
- Background: PubMed 15275558Nokes C, Bundy DA. Does helminth infection affect mental processing and educational achievement? Parasitol Today. 1994 Jan;10(1):14-8. doi: 10.1016/0169-4758(94)90348-4.
- Background: PubMed 8505663Stephenson LS, Latham MC, Adams EJ, Kinoti SN, Pertet A. Physical fitness, growth and appetite of Kenyan school boys with hookworm, Trichuris trichiura and Ascaris lumbricoides infections are improved four months after a single dose of albendazole. J Nutr. 1993 Jun;123(6):1036-46. doi: 10.1093/jn/123.6.1036.
- Background: PubMed 8916795Stoltzfus RJ, Albonico M, Chwaya HM, Savioli L, Tielsch J, Schulze K, Yip R. Hemoquant determination of hookworm-related blood loss and its role in iron deficiency in African children. Am J Trop Med Hyg. 1996 Oct;55(4):399-404. doi: 10.4269/ajtmh.1996.55.399.
- Background: PubMed 21468309Vercruysse J, Behnke JM, Albonico M, Ame SM, Angebault C, Bethony JM, Engels D, Guillard B, Nguyen TV, Kang G, Kattula D, Kotze AC, McCarthy JS, Mekonnen Z, Montresor A, Periago MV, Sumo L, Tchuente LA, Dang TC, Zeynudin A, Levecke B. Assessment of the anthelmintic efficacy of albendazole in school children in seven countries where soil-transmitted helminths are endemic. PLoS Negl Trop Dis. 2011 Mar 29;5(3):e948. doi: 10.1371/journal.pntd.0000948.
- World Health Organization (2005) Deworming for health and development. Report of the third global meeting of the partners for parasitic control. WHO/CDS/CPE/PVC/2005.14, World Health Organization, Geneva.Link provided by the sponsor.
- 6\. Kumsa, B., Debela, E., Megersa, B., 2010. Comparative efficacy of albendazole, tetramisole and ivermectin against gastrointestinal nematodes in naturally infected goats in Ziway, Oromia Regional State (Southern Ethiopia). J Anim Vet Adv 9, 2905-2911.Link provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Jozef Vercruysse, PhD principal investigator
University Ghent
Questions about this trial
What is this clinical trial studying?
A study testing albendazole BENDEX and albendazole OVIS in people with Helminthiasis, run by University Ghent.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 9 Dec 2022. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Egg reduction rate (time frame: 14 days after administration of the drugs). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02420574, which also lists 10 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Dec 2022.