Health Literacy Intervention for Informed Consent of Cancer Patients Considering Clinical Trial Participation
2 novembre 2015 aggiornato da: Washington University School of Medicine
A Mixed Methods Study to Reduce Disparities in Cancer Clinical Trials by Adapting a Health Literacy Intervention for Informed Consent and Comparing it to Usual Care in a Randomized Experiment
This study will update an existing health literacy intervention (decision aid) for informed consent procedures and then conduct a randomized experiment implementing the health literacy intervention at Siteman Cancer Center and evaluate its effectiveness compared to usual care.
Our hypothesis is that implementing the targeted, web-based decision aid (DA) in addition to usual care will increase knowledge about cancer clinical trials.
Secondary outcomes include patients' ability to communicate with health care providers about trials, willingness to participate in trials, and enrollment rates for minority participants.
Panoramica dello studio
Descrizione dettagliata
A previously developed and pilot tested web-based decision aid (DA) based on best practices in health literacy that is well received by minority participants and significantly improved knowledge about cancer clinical trials and decision self-efficacy will be used. This study will expand the reach of the DA and test it in a larger study in a different geographic region and center (Siteman Cancer Center). An additional benefit of conducting this work at Siteman Cancer Center is that Siteman and the Program for the Elimination of Cancer Disparities (PECaD) already institute structural changes at the system level to improve minority participation in trials. This study will activate and educate patients and will complement the system-level interventions.
By random 1:1 assignment, 180 participants will either receive:
*Targeted, web-based decision aid (DA) about participating in cancer clinical trials.
or
*Usual care/control-Access to the Siteman Cancer Center website about clinical trials.
Outcomes from the DA group will be compared to outcomes in a usual care/control group.
Tipo di studio
Interventistico
Iscrizione (Effettivo)
201
Fase
- Non applicabile
Contatti e Sedi
Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.
Luoghi di studio
-
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Missouri
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St. Louis, Missouri, Stati Uniti, 63110
- Siteman Cancer Center
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Criteri di partecipazione
I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.
Criteri di ammissibilità
Età idonea allo studio
18 anni e precedenti (Adulto, Adulto più anziano)
Accetta volontari sani
No
Sessi ammissibili allo studio
Tutto
Descrizione
Inclusion Criteria:
- Diagnosed with cancer in the past 6 months
- English speaking
- At least 18 years old
Exclusion Criteria:
- Past participation in a clinical trial for treatment
Piano di studio
Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Terapia di supporto
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Decision Aid (DA)
The decision aid (DA) will be provided to patients randomized to the experimental/intervention group.
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Participants will be shown (on a computer) a targeted, web-based decision aid focused on the topic of clinical trials in addition to usual care.
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Nessun intervento: Control
Participants randomized to the control group will receive usual care and will be shown Siteman Cancer Center website about clinical trials.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Knowledge About Cancer Clinical Trials
Lasso di tempo: 1 day (Immediately following either showing the participant the experimental or control information (same day)
|
A questionnaire will be administered to assess outcomes of interest immediately after showing the participant either the decision aid (DA) about clinical trials or the Siteman Cancer Center website about clinical trials.
The questionnaire will include eleven knowledge items such as "Only very sick patients are asked to take part in a cancer research study" and "Cancer research studies almost never involve the use of a placebo or sugar pill alone".
Participants will indicate each item as "True", "False", or "I don't know".
An overall knowledge composite score will be created with the average percentage of items participants in each condition correctly answer.
Participation in study concludes upon completion of questionnaire.
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1 day (Immediately following either showing the participant the experimental or control information (same day)
|
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Clarity of Values
Lasso di tempo: 1 day (Immediately following either showing the participant the experimental or control information (same day)
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A questionnaire will be administered to assess outcomes of interest immediately after showing the participant either the decision aid (DA) about clinical trials or the Siteman Cancer Center website about clinical trials.
The questionnaire will include the Values Clarity Subscale to evaluate decisional conflict.
The subscale includes two items from the ten-item Low Literacy Decisional Conflict Scale, each with three response categories.
The combined score on the two items will be divided by 2 and multiplied by 25 to produce an overall "values clarity" score from 0 to 100.
Higher values represent less clarity.
Participation in study concludes upon completion of questionnaire.
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1 day (Immediately following either showing the participant the experimental or control information (same day)
|
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Uncertainty in Choice
Lasso di tempo: 1 day Immediately following either showing the participant the experimental or control information (same day)
|
A questionnaire will be administered to assess outcomes of interest immediately after showing the participant either the decision aid (DA) about clinical trials or the Siteman Cancer Center website about clinical trials.
The questionnaire will include the Uncertainty Subscale to evaluate decisional conflict.
The subscale includes two items from the ten-item Low Literacy Decisional Conflict Scale, each with three response categories.
The combined score on the two items will be divided by 2 and multiplied by 25 to produce an overall "uncertainty" score from 0 to 100.
Higher values represent more uncertainty.
Participation in study concludes upon completion of questionnaire.
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1 day Immediately following either showing the participant the experimental or control information (same day)
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Self-efficacy for Communicating About Cancer Clinical Trials
Lasso di tempo: 1 day (Immediately following either showing the participant the experimental or control information (same day)
|
A questionnaire will be administered to assess outcomes of interest immediately after showing the participant either the decision aid (DA) about clinical trials or the Siteman Cancer Center website about clinical trials.
The questionnaire will include an item in which participants rank their self-efficacy for finding information about cancer clinical trials on a 5-point scale with higher numbers indicating greater self-efficacy.
Participation in study concludes upon completion of questionnaire.
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1 day (Immediately following either showing the participant the experimental or control information (same day)
|
|
Attitudes About Cancer Clinical Trials
Lasso di tempo: 1 day (Immediately following either showing the participant the experimental or control information (same day)
|
A questionnaire will be administered to assess outcomes of interest immediately after showing the participant either the decision aid (DA) about clinical trials or the Siteman Cancer Center website about clinical trials.
The questionnaire will include two items in which participants rank their intent to participate in a cancer clinical trial and their intent to encourage others to participate in a cancer clinical trial on a 5-point scale with higher numbers indicating greater intent.
Participation in study concludes upon completion of questionnaire.
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1 day (Immediately following either showing the participant the experimental or control information (same day)
|
Collaboratori e investigatori
Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.
Collaboratori
Investigatori
- Investigatore principale: Mary C Politi, PhD, Washington University School of Medicine
Pubblicazioni e link utili
La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.
Pubblicazioni generali
- Silverman H, Hull SC, Sugarman J. Variability among institutional review boards' decisions within the context of a multicenter trial. Crit Care Med. 2001 Feb;29(2):235-41. doi: 10.1097/00003246-200102000-00002.
- Murthy VH, Krumholz HM, Gross CP. Participation in cancer clinical trials: race-, sex-, and age-based disparities. JAMA. 2004 Jun 9;291(22):2720-6. doi: 10.1001/jama.291.22.2720.
- Janet Yang Z, McComas K, Gay G, Leonard JP, Dannenberg AJ, Dillon H. From information processing to behavioral intentions: exploring cancer patients' motivations for clinical trial enrollment. Patient Educ Couns. 2010 May;79(2):231-8. doi: 10.1016/j.pec.2009.08.010. Epub 2009 Sep 11.
- Institute of Medicine (US) Committee on Assessing the System for Protecting Human Research Participants; Federman DD, Hanna KE, Rodriguez LL, editors. Responsible Research: A Systems Approach to Protecting Research Participants. Washington (DC): National Academies Press (US); 2002. Available from http://www.ncbi.nlm.nih.gov/books/NBK43563/
- McNutt LA, Waltermaurer E, Bednarczyk RA, Carlson BE, Kotval J, McCauley J, Campbell JC, Ford DE. Are We Misjudging How Well Informed Consent Forms are Read? J Empir Res Hum Res Ethics. 2008 Mar;3(1):89-97. doi: 10.1525/jer.2008.3.1.89.
- Grossman SA, Piantadosi S, Covahey C. Are informed consent forms that describe clinical oncology research protocols readable by most patients and their families? J Clin Oncol. 1994 Oct;12(10):2211-5. doi: 10.1200/JCO.1994.12.10.2211.
- Corbie-Smith G, Thomas SB, Williams MV, Moody-Ayers S. Attitudes and beliefs of African Americans toward participation in medical research. J Gen Intern Med. 1999 Sep;14(9):537-46. doi: 10.1046/j.1525-1497.1999.07048.x.
- Featherstone K, Donovan JL. Random allocation or allocation at random? Patients' perspectives of participation in a randomised controlled trial. BMJ. 1998 Oct 31;317(7167):1177-80. doi: 10.1136/bmj.317.7167.1177.
- Joffe S, Cook EF, Cleary PD, Clark JW, Weeks JC. Quality of informed consent in cancer clinical trials: a cross-sectional survey. Lancet. 2001 Nov 24;358(9295):1772-7. doi: 10.1016/S0140-6736(01)06805-2.
- Dresden GM, Levitt MA. Modifying a standard industry clinical trial consent form improves patient information retention as part of the informed consent process. Acad Emerg Med. 2001 Mar;8(3):246-52. doi: 10.1111/j.1553-2712.2001.tb01300.x.
- Young DR, Hooker DT, Freeberg FE. Informed consent documents: increasing comprehension by reducing reading level. IRB. 1990 May-Jun;12(3):1-5. No abstract available.
- Krumholz HM. Informed consent to promote patient-centered care. JAMA. 2010 Mar 24;303(12):1190-1. doi: 10.1001/jama.2010.309. No abstract available.
- Coyne CA, Xu R, Raich P, Plomer K, Dignan M, Wenzel LB, Fairclough D, Habermann T, Schnell L, Quella S, Cella D; Eastern Cooperative Oncology Group. Randomized, controlled trial of an easy-to-read informed consent statement for clinical trial participation: a study of the Eastern Cooperative Oncology Group. J Clin Oncol. 2003 Mar 1;21(5):836-42. doi: 10.1200/JCO.2003.07.022.
- Davis TC, Holcombe RF, Berkel HJ, Pramanik S, Divers SG. Informed consent for clinical trials: a comparative study of standard versus simplified forms. J Natl Cancer Inst. 1998 May 6;90(9):668-74. doi: 10.1093/jnci/90.9.668.
- Flory J, Emanuel E. Interventions to improve research participants' understanding in informed consent for research: a systematic review. JAMA. 2004 Oct 6;292(13):1593-601. doi: 10.1001/jama.292.13.1593.
- Entwistle V. Supporting participation in clinical research: decision aids for trial recruitment? Health Expect. 2008 Sep;11(3):205-7. doi: 10.1111/j.1369-7625.2008.00519.x. No abstract available.
- Brehaut JC, Lott A, Fergusson DA, Shojania KG, Kimmelman J, Saginur R. Can patient decision aids help people make good decisions about participating in clinical trials? A study protocol. Implement Sci. 2008 Jul 23;3:38. doi: 10.1186/1748-5908-3-38.
- Byrne MM, Tannenbaum SL, Gluck S, Hurley J, Antoni M. Participation in cancer clinical trials: why are patients not participating? Med Decis Making. 2014 Jan;34(1):116-26. doi: 10.1177/0272989X13497264. Epub 2013 Jul 29.
- Sutherland HJ, da Cunha R, Lockwood GA, Till JE. What attitudes and beliefs underlie patients' decisions about participating in chemotherapy trials? Med Decis Making. 1998 Jan-Mar;18(1):61-9. doi: 10.1177/0272989X9801800113.
- Office of Human Research Protections (OHRP): Compliance Determination Letters. US Department of Health and Human Services. Washington, DC: 2002.
Studiare le date dei record
Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.
Studia le date principali
Inizio studio
1 maggio 2014
Completamento primario (Effettivo)
1 maggio 2015
Completamento dello studio (Effettivo)
1 luglio 2015
Date di iscrizione allo studio
Primo inviato
7 ottobre 2013
Primo inviato che soddisfa i criteri di controllo qualità
16 ottobre 2013
Primo Inserito (Stima)
17 ottobre 2013
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
7 dicembre 2015
Ultimo aggiornamento inviato che soddisfa i criteri QC
2 novembre 2015
Ultimo verificato
1 novembre 2015
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Altri numeri di identificazione dello studio
- 201309076
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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